AI triage bot initial commit for testing

.github/copilot-instructions.md

@@ -1,19 +1,69 @@
 # GitHub Copilot Instructions
 
-Microsoft Agent Framework - a multi-language framework for building, orchestrating, and deploying AI agents.
+This repository contains both Python and C# code.
+All python code resides under the `python/` directory.
+All C# code resides under the `dotnet/` directory.
 
-## Repository Structure
+The purpose of the code is to provide a framework for building AI agents.
 
-- `python/` - Python implementation → see [python/AGENTS.md](../python/AGENTS.md)
-- `dotnet/` - C#/.NET implementation → see [dotnet/AGENTS.md](../dotnet/AGENTS.md)
-- `docs/` - Design documents and architectural decision records
+When contributing to this repository, please follow these guidelines:
 
-## Architectural Decision Records (ADRs)
+## C# Code Guidelines
 
-ADRs in `docs/decisions/` capture significant design decisions and their rationale. They document considered alternatives, trade-offs, and the reasoning behind choices.
+Here are some general guidelines that apply to all code.
 
-**Templates:**
-- `adr-template.md` - Full template with detailed sections
-- `adr-short-template.md` - Abbreviated template for simpler decisions
+- The top of all *.cs files should have a copyright notice: `// Copyright (c) Microsoft. All rights reserved.`
+- All public methods and classes should have XML documentation comments.
+- After adding, modifying or deleting code, run `dotnet build`, and then fix any reported build errors.
+- After adding or modifying code, run `dotnet format` to automatically fix any formatting errors.
 
-When proposing architectural changes, create an ADR to capture options considered and the decision rationale. See [docs/decisions/README.md](../docs/decisions/README.md) for the full process.
+### C# Sample Code Guidelines
+
+Sample code is located in the `dotnet/samples` directory.
+
+When adding a new sample, follow these steps:
+
+- The sample should be a standalone .net project in one of the subdirectories of the samples directory.
+- The directory name should be the same as the project name.
+- The directory should contain a README.md file that explains what the sample does and how to run it.
+- The README.md file should follow the same format as other samples.
+- The csproj file should match the directory name.
+- The csproj file should be configured in the same way as other samples.
+- The project should preferably contain a single Program.cs file that contains all the sample code.
+- The sample should be added to the solution file in the samples directory.
+- The sample should be tested to ensure it works as expected.
+- A reference to the new samples should be added to the README.md file in the parent directory of the new sample.
+
+The sample code should follow these guidelines:
+
+- Configuration settings should be read from environment variables, e.g. `var endpoint = Environment.GetEnvironmentVariable("AZURE_OPENAI_ENDPOINT") ?? throw new InvalidOperationException("AZURE_OPENAI_ENDPOINT is not set.");`.
+- Environment variables should use upper snake_case naming convention.
+- Secrets should not be hardcoded in the code or committed to the repository.
+- The code should be well-documented with comments explaining the purpose of each step.
+- The code should be simple and to the point, avoiding unnecessary complexity.
+- Prefer inline literals over constants for values that are not reused. For example, use `new ChatClientAgent(chatClient, instructions: "You are a helpful assistant.")` instead of defining a constant for "instructions".
+- Ensure that all private classes are sealed
+- Use the Async suffix on the name of all async methods that return a Task or ValueTask.
+- Prefer defining variables using types rather than var, to help users understand the types involved.
+- Follow the patterns in the samples in the same directories where new samples are being added.
+- The structure of the sample should be as follows:
+  - The top of the Program.cs should have a copyright notice: `// Copyright (c) Microsoft. All rights reserved.`
+  - Then add a comment describing what the sample is demonstrating.
+  - Then add the necessary using statements.
+  - Then add the main code logic.
+  - Finally, add any helper methods or classes at the bottom of the file.
+
+### C# Unit Test Guidelines
+
+Unit tests are located in the `dotnet/tests` directory in projects with a `.UnitTests.csproj` suffix.
+
+Unit tests should follow these guidelines:
+
+- Use `this.` for accessing class members
+- Add Arrange, Act and Assert comments for each test
+- Ensure that all private classes, that are not subclassed, are sealed
+- Use the Async suffix on the name of all async methods
+- Use the Moq library for mocking objects where possible
+- Validate that each test actually tests the target behavior, e.g. we should not have tests that creates a mock, calls the mock and then verifies that the mock was called, without the target code being involved. We also shouldn't have tests that test language features, e.g. something that the compiler would catch anyway.
+- Avoid adding excessive comments to tests. Instead favour clear easy to understand code.
+- Follow the patterns in the unit tests in the same project or classes to which new tests are being added

.github/workflows/ai-triage.yml

@@ -0,0 +1,118 @@
+name: AI Issue Triage
+
+on:
+  issues:
+    types: [opened]
+  discussion:
+    types: [created]
+  workflow_dispatch:
+    inputs:
+      reference:
+        description: 'Reference (e.g., "issue:123" or "discussion:456")'
+        required: true
+        type: string
+      live_mode:
+        description: 'Enable live mode'
+        required: false
+        type: boolean
+        default: false
+
+concurrency:
+  group: triage-${{ github.event.issue.number || github.event.discussion.number || github.event.inputs.reference }}
+  cancel-in-progress: false
+
+permissions:
+  issues: write
+  discussions: write
+  contents: read
+
+jobs:
+  security-check:
+    runs-on: ubuntu-latest
+    outputs:
+      should_run: ${{ steps.check.outputs.should_run }}
+      reference: ${{ steps.check.outputs.reference }}
+    steps:
+      - name: Validate
+        id: check
+        run: |
+          if [[ "${{ github.actor }}" == *"[bot]"* ]] || [[ "${{ github.event.repository.fork }}" == "true" ]]; then
+            echo "should_run=false" >> $GITHUB_OUTPUT
+            exit 0
+          fi
+
+          if [[ "${{ github.event_name }}" == "issues" ]]; then
+            REF="issue:${{ github.event.issue.number }}"
+          elif [[ "${{ github.event_name }}" == "discussion" ]]; then
+            REF="discussion:${{ github.event.discussion.number }}"
+          elif [[ "${{ github.event_name }}" == "workflow_dispatch" ]]; then
+            REF="${{ github.event.inputs.reference }}"
+          else
+            echo "should_run=false" >> $GITHUB_OUTPUT
+            exit 0
+          fi
+
+          if ! [[ "$REF" =~ ^(issue|discussion):[0-9]+$ ]]; then
+            echo "should_run=false" >> $GITHUB_OUTPUT
+            exit 1
+          fi
+
+          echo "should_run=true" >> $GITHUB_OUTPUT
+          echo "reference=$REF" >> $GITHUB_OUTPUT
+
+  triage:
+    needs: security-check
+    if: needs.security-check.outputs.should_run == 'true'
+    runs-on: ubuntu-latest
+    timeout-minutes: 10
+    env:
+      UV_CACHE_DIR: /tmp/.uv-cache
+      TRIAGE_LIVE: ${{ github.event.inputs.live_mode || 'false' }}
+
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+        with:
+          sparse-checkout: |
+            python
+            .github/actions
+          sparse-checkout-cone-mode: false
+
+      - name: Setup
+        run: git clone https://${{ secrets.TRIAGE_BOT_REPO_TOKEN }}@github.com/${{ vars.TRIAGE_BOT_REPO }}.git triage-bot
+        env:
+          GIT_TERMINAL_PROMPT: 0
+
+      - name: Set up uv
+        uses: astral-sh/setup-uv@v6
+        with:
+          enable-cache: true
+          cache-dependency-glob: "python/**/uv.lock"
+
+      - name: Install
+        working-directory: python
+        run: uv sync --package agent-framework-core --extra openai
+
+      - name: Prepare
+        run: docker pull ghcr.io/github/github-mcp-server
+
+      - name: Run
+        working-directory: python
+        env:
+          GITHUB_PERSONAL_ACCESS_TOKEN: ${{ secrets.GH_ACTIONS_PR_WRITE }}
+          OPENAI_API_KEY: ${{ secrets.OPENAI__APIKEY }}
+          AZURE_OPENAI_ENDPOINT: ${{ secrets.AZURE_OPENAI_ENDPOINT }}
+          AZURE_OPENAI_API_VERSION: ${{ secrets.AZURE_OPENAI_API_VERSION }}
+          TRIAGE_REFERENCE: ${{ needs.security-check.outputs.reference }}
+          TRIAGE_BOT_PATH: ${{ github.workspace }}/triage-bot
+        run: |
+          echo "::add-mask::$GITHUB_PERSONAL_ACCESS_TOKEN"
+          echo "::add-mask::$OPENAI_API_KEY"
+          uv run python $TRIAGE_BOT_PATH/run.py
+
+      - name: Summary
+        if: always()
+        run: |
+          echo "## Triage Summary" >> $GITHUB_STEP_SUMMARY
+          echo "- **Reference:** ${{ needs.security-check.outputs.reference }}" >> $GITHUB_STEP_SUMMARY
+          echo "- **Status:** ${{ job.status }}" >> $GITHUB_STEP_SUMMARY

.github/workflows/python-check-coverage.py

@@ -1,13 +1,10 @@
 #!/usr/bin/env python3
 # Copyright (c) Microsoft. All rights reserved.
-"""Check Python test coverage against threshold for enforced targets.
+"""Check Python test coverage against threshold for enforced modules.
 
 This script parses a Cobertura XML coverage report and enforces a minimum
-coverage threshold on specific targets. Targets can be package names
-(e.g., "packages.core.agent_framework") or individual Python file paths
-(e.g., "packages/core/agent_framework/observability.py").
-
-Non-enforced targets are reported for visibility but don't block the build.
+coverage threshold on specific modules. Non-enforced modules are reported
+for visibility but don't block the build.
 
 Usage:
     python python-check-coverage.py <coverage-xml-path> <threshold>
@@ -21,31 +18,22 @@ import xml.etree.ElementTree as ET
 from dataclasses import dataclass
 
 # =============================================================================
-# ENFORCED TARGETS CONFIGURATION
+# ENFORCED MODULES CONFIGURATION
 # =============================================================================
-# Add or remove entries from this set to control which targets must meet
-# the coverage threshold. Only these targets will fail the build if below
-# threshold. Other targets are reported for visibility only.
+# Add or remove modules from this set to control which packages must meet
+# the coverage threshold. Only these modules will fail the build if below
+# threshold. Other modules are reported for visibility only.
 #
-# Target values can be:
-# - Package paths as they appear in the coverage report
-#   (e.g., "packages.azure-ai.agent_framework_azure_ai")
-# - Python source file paths as they appear in the coverage report
-#   (e.g., "packages/core/agent_framework/observability.py")
+# Module paths should match the package paths as they appear in the coverage
+# report (e.g., "packages.azure-ai.agent_framework_azure_ai" for packages/azure-ai).
+# Sub-modules can be included by specifying their full path.
 # =============================================================================
-ENFORCED_TARGETS: set[str] = {
-    # Packages
+ENFORCED_MODULES: set[str] = {
     "packages.azure-ai.agent_framework_azure_ai",
-    "packages.core.agent_framework",
-    "packages.core.agent_framework._workflows",
-    "packages.purview.agent_framework_purview",
-    "packages.anthropic.agent_framework_anthropic",
-    "packages.azure-ai-search.agent_framework_azure_ai_search",
-    "packages.core.agent_framework.azure",
-    "packages.core.agent_framework.openai",
-    # Individual files (if you want to enforce specific files instead of whole packages)
-    "packages/core/agent_framework/observability.py",
-    # Add more targets here as coverage improves
+    # Add more modules here as coverage improves:
+    # "packages.core.agent_framework",
+    # "packages.core.agent_framework._workflows",
+    # "packages.anthropic.agent_framework_anthropic",
 }
 
 
@@ -72,21 +60,14 @@ class PackageCoverage:
         return self.branch_rate * 100
 
 
-def normalize_coverage_path(path: str) -> str:
-    """Normalize coverage paths for reliable matching."""
-    return path.replace("\\", "/").lstrip("./")
-
-
-def parse_coverage_xml(
-    xml_path: str,
-) -> tuple[dict[str, PackageCoverage], dict[str, PackageCoverage], float, float]:
+def parse_coverage_xml(xml_path: str) -> tuple[dict[str, PackageCoverage], float, float]:
     """Parse Cobertura XML and extract per-package coverage data.
 
     Args:
         xml_path: Path to the Cobertura XML coverage report.
 
     Returns:
-        A tuple of (packages_dict, files_dict, overall_line_rate, overall_branch_rate).
+        A tuple of (packages_dict, overall_line_rate, overall_branch_rate).
     """
     tree = ET.parse(xml_path)
     root = tree.getroot()
@@ -96,7 +77,6 @@ def parse_coverage_xml(
     overall_branch_rate = float(root.get("branch-rate", 0))
 
     packages: dict[str, PackageCoverage] = {}
-    file_stats: dict[str, dict[str, int]] = {}
 
     for package in root.findall(".//package"):
         package_path = package.get("name", "unknown")
@@ -111,43 +91,19 @@ def parse_coverage_xml(
         branches_covered = 0
 
         for class_elem in package.findall(".//class"):
-            file_path = normalize_coverage_path(class_elem.get("filename", ""))
-            if file_path and file_path not in file_stats:
-                file_stats[file_path] = {
-                    "lines_valid": 0,
-                    "lines_covered": 0,
-                    "branches_valid": 0,
-                    "branches_covered": 0,
-                }
-
             for line in class_elem.findall(".//line"):
                 lines_valid += 1
                 if int(line.get("hits", 0)) > 0:
                     lines_covered += 1
-
-                if file_path:
-                    file_stats[file_path]["lines_valid"] += 1
-                    if int(line.get("hits", 0)) > 0:
-                        file_stats[file_path]["lines_covered"] += 1
-
                 # Branch coverage from line elements
                 if line.get("branch") == "true":
                     condition_coverage = line.get("condition-coverage", "")
                     if condition_coverage:
                         # Parse "X% (covered/total)" format
                         try:
-                            coverage_parts = (
-                                condition_coverage.split("(")[1].rstrip(")").split("/")
-                            )
+                            coverage_parts = condition_coverage.split("(")[1].rstrip(")").split("/")
                             branches_covered += int(coverage_parts[0])
                             branches_valid += int(coverage_parts[1])
-                            if file_path:
-                                file_stats[file_path]["branches_covered"] += int(
-                                    coverage_parts[0]
-                                )
-                                file_stats[file_path]["branches_valid"] += int(
-                                    coverage_parts[1]
-                                )
                         except (IndexError, ValueError):
                             # Ignore malformed condition-coverage strings; treat this line as having no branch data.
                             pass
@@ -156,33 +112,14 @@ def parse_coverage_xml(
         packages[package_path] = PackageCoverage(
             name=package_path,
             line_rate=line_rate if lines_valid == 0 else lines_covered / lines_valid,
-            branch_rate=branch_rate
-            if branches_valid == 0
-            else branches_covered / branches_valid,
+            branch_rate=branch_rate if branches_valid == 0 else branches_covered / branches_valid,
             lines_valid=lines_valid,
             lines_covered=lines_covered,
             branches_valid=branches_valid,
             branches_covered=branches_covered,
         )
 
-    files: dict[str, PackageCoverage] = {}
-    for file_path, stats in file_stats.items():
-        lines_valid = stats["lines_valid"]
-        lines_covered = stats["lines_covered"]
-        branches_valid = stats["branches_valid"]
-        branches_covered = stats["branches_covered"]
-
-        files[file_path] = PackageCoverage(
-            name=file_path,
-            line_rate=0 if lines_valid == 0 else lines_covered / lines_valid,
-            branch_rate=0 if branches_valid == 0 else branches_covered / branches_valid,
-            lines_valid=lines_valid,
-            lines_covered=lines_covered,
-            branches_valid=branches_valid,
-            branches_covered=branches_covered,
-        )
-
-    return packages, files, overall_line_rate, overall_branch_rate
+    return packages, overall_line_rate, overall_branch_rate
 
 
 def format_coverage_value(coverage: float, threshold: float, is_enforced: bool) -> str:
@@ -191,7 +128,7 @@ def format_coverage_value(coverage: float, threshold: float, is_enforced: bool)
     Args:
         coverage: Coverage percentage (0-100).
         threshold: Minimum required coverage percentage.
-        is_enforced: Whether this target is enforced.
+        is_enforced: Whether this module is enforced.
 
     Returns:
         Formatted string like "85.5%" or "85.5% ✅" or "75.0% ❌".
@@ -205,7 +142,6 @@ def format_coverage_value(coverage: float, threshold: float, is_enforced: bool)
 
 def print_coverage_table(
     packages: dict[str, PackageCoverage],
-    files: dict[str, PackageCoverage],
     threshold: float,
     overall_line_rate: float,
     overall_branch_rate: float,
@@ -214,7 +150,6 @@ def print_coverage_table(
 
     Args:
         packages: Dictionary of package name to coverage data.
-        files: Dictionary of file path to coverage data, used for per-file enforcement.
         threshold: Minimum required coverage percentage.
         overall_line_rate: Overall line coverage rate (0-1).
         overall_branch_rate: Overall branch coverage rate (0-1).
@@ -228,25 +163,21 @@ def print_coverage_table(
     print(f"Overall Branch Coverage: {overall_branch_rate * 100:.1f}%")
     print(f"Threshold:               {threshold}%")
 
-    enforced_targets = {normalize_coverage_path(t) for t in ENFORCED_TARGETS}
-
     # Package table
     print("\n" + "-" * 110)
     print(f"{'Package':<80} {'Lines':<15} {'Line Cov':<15}")
     print("-" * 110)
 
-    # Sort: enforced package targets first, then alphabetically
+    # Sort: enforced modules first, then alphabetically
     sorted_packages = sorted(
         packages.values(),
-        key=lambda p: (p.name not in ENFORCED_TARGETS, p.name),
+        key=lambda p: (p.name not in ENFORCED_MODULES, p.name),
     )
 
     for pkg in sorted_packages:
-        is_enforced = normalize_coverage_path(pkg.name) in enforced_targets
+        is_enforced = pkg.name in ENFORCED_MODULES
         enforced_marker = "[ENFORCED] " if is_enforced else ""
-        line_cov = format_coverage_value(
-            pkg.line_coverage_percent, threshold, is_enforced
-        )
+        line_cov = format_coverage_value(pkg.line_coverage_percent, threshold, is_enforced)
         lines_info = f"{pkg.lines_covered}/{pkg.lines_valid}"
         package_label = f"{enforced_marker}{pkg.name}"
 
@@ -254,98 +185,50 @@ def print_coverage_table(
 
     print("-" * 110)
 
-    # Enforced file/model entries (if configured)
-    enforced_files = [
-        files[target]
-        for target in sorted(enforced_targets)
-        if target in files and target.endswith(".py")
-    ]
-
-    if enforced_files:
-        print("\nEnforced Files/Models")
-        print("-" * 110)
-        print(f"{'File':<80} {'Lines':<15} {'Line Cov':<15}")
-        print("-" * 110)
-
-        for file_cov in enforced_files:
-            line_cov = format_coverage_value(
-                file_cov.line_coverage_percent, threshold, True
-            )
-            lines_info = f"{file_cov.lines_covered}/{file_cov.lines_valid}"
-            print(f"[ENFORCED] {file_cov.name:<69} {lines_info:<15} {line_cov:<15}")
-
-        print("-" * 110)
-
 
 def check_coverage(xml_path: str, threshold: float) -> bool:
-    """Check if all enforced targets meet the coverage threshold.
+    """Check if all enforced modules meet the coverage threshold.
 
     Args:
         xml_path: Path to the Cobertura XML coverage report.
         threshold: Minimum required coverage percentage.
 
     Returns:
-        True if all enforced targets pass, False otherwise.
+        True if all enforced modules pass, False otherwise.
     """
-    packages, files, overall_line_rate, overall_branch_rate = parse_coverage_xml(
-        xml_path
-    )
+    packages, overall_line_rate, overall_branch_rate = parse_coverage_xml(xml_path)
 
-    print_coverage_table(
-        packages, files, threshold, overall_line_rate, overall_branch_rate
-    )
+    print_coverage_table(packages, threshold, overall_line_rate, overall_branch_rate)
 
-    # Check enforced targets
-    failed_targets: list[str] = []
-    missing_targets: list[str] = []
+    # Check enforced modules
+    failed_modules: list[str] = []
+    missing_modules: list[str] = []
 
-    for target_name in ENFORCED_TARGETS:
-        normalized_target = normalize_coverage_path(target_name)
-        package_alias = normalized_target.replace("/", ".")
-
-        target_coverage = None
-        if target_name in packages:
-            target_coverage = packages[target_name]
-        elif normalized_target in files:
-            target_coverage = files[normalized_target]
-        elif package_alias in packages:
-            target_coverage = packages[package_alias]
-
-        if target_coverage is None:
-            missing_targets.append(target_name)
+    for module_name in ENFORCED_MODULES:
+        if module_name not in packages:
+            missing_modules.append(module_name)
             continue
 
-        if target_coverage.line_coverage_percent < threshold:
-            failed_targets.append(
-                f"{target_name} ({target_coverage.line_coverage_percent:.1f}%)"
-            )
+        pkg = packages[module_name]
+        if pkg.line_coverage_percent < threshold:
+            failed_modules.append(f"{module_name} ({pkg.line_coverage_percent:.1f}%)")
 
     # Report results
-    if missing_targets:
-        print(
-            f"\n❌ FAILED: Enforced targets not found in coverage report: {', '.join(missing_targets)}"
-        )
+    if missing_modules:
+        print(f"\n❌ FAILED: Enforced modules not found in coverage report: {', '.join(missing_modules)}")
         return False
 
-    if failed_targets:
-        print(
-            f"\n❌ FAILED: The following enforced targets are below {threshold}% coverage threshold:"
-        )
-        for target in failed_targets:
-            print(f"   - {target}")
-        print("\nTo fix: Add more tests to improve coverage for the failing targets.")
+    if failed_modules:
+        print(f"\n❌ FAILED: The following enforced modules are below {threshold}% coverage threshold:")
+        for module in failed_modules:
+            print(f"   - {module}")
+        print("\nTo fix: Add more tests to improve coverage for the failing modules.")
         return False
 
-    if ENFORCED_TARGETS:
-        found_enforced = [
-            target
-            for target in ENFORCED_TARGETS
-            if target in packages or normalize_coverage_path(target) in files
-        ]
+    if ENFORCED_MODULES:
+        found_enforced = [m for m in ENFORCED_MODULES if m in packages]
         if found_enforced:
-            print(
-                f"\n✅ PASSED: All enforced targets meet the {threshold}% coverage threshold."
-            )
+            print(f"\n✅ PASSED: All enforced modules meet the {threshold}% coverage threshold.")
 
     return True
 

.github/workflows/python-code-quality.yml

@@ -12,13 +12,13 @@ env:
   UV_CACHE_DIR: /tmp/.uv-cache
 
 jobs:
-  pre-commit-hooks:
-    name: Pre-commit Hooks
+  pre-commit:
+    name: Checks
     if: "!cancelled()"
     strategy:
       fail-fast: false
       matrix:
-        python-version: ["3.10"]
+        python-version: ["3.10", "3.14"]
     runs-on: ubuntu-latest
     continue-on-error: true
     defaults:
@@ -37,106 +37,16 @@ jobs:
           python-version: ${{ matrix.python-version }}
           os: ${{ runner.os }}
         env:
+          # Configure a constant location for the uv cache
           UV_CACHE_DIR: /tmp/.uv-cache
       - uses: actions/cache@v5
         with:
-          path: ~/.cache/prek
-          key: prek|${{ matrix.python-version }}|${{ hashFiles('python/.pre-commit-config.yaml') }}
-      - uses: j178/prek-action@v1
-        name: Run Pre-commit Hooks (excluding poe-check)
-        env:
-          SKIP: poe-check
+          path: ~/.cache/pre-commit
+          key: pre-commit|${{ matrix.python-version }}|${{ hashFiles('python/.pre-commit-config.yaml') }}
+      - uses: pre-commit/action@v3.0.1
+        name: Run Pre-Commit Hooks
         with:
-          extra-args: --cd python --all-files
-
-  package-checks:
-    name: Package Checks
-    if: "!cancelled()"
-    strategy:
-      fail-fast: false
-      matrix:
-        python-version: ["3.10"]
-    runs-on: ubuntu-latest
-    continue-on-error: true
-    defaults:
-      run:
-        working-directory: ./python
-    env:
-      UV_PYTHON: ${{ matrix.python-version }}
-    steps:
-      - uses: actions/checkout@v6
-        with:
-          fetch-depth: 0
-      - name: Set up python and install the project
-        id: python-setup
-        uses: ./.github/actions/python-setup
-        with:
-          python-version: ${{ matrix.python-version }}
-          os: ${{ runner.os }}
-        env:
-          UV_CACHE_DIR: /tmp/.uv-cache
-      - name: Run fmt, lint, pyright in parallel across packages
-        run: uv run poe check-packages
-
-  samples-markdown:
-    name: Samples & Markdown
-    if: "!cancelled()"
-    strategy:
-      fail-fast: false
-      matrix:
-        python-version: ["3.10"]
-    runs-on: ubuntu-latest
-    continue-on-error: true
-    defaults:
-      run:
-        working-directory: ./python
-    env:
-      UV_PYTHON: ${{ matrix.python-version }}
-    steps:
-      - uses: actions/checkout@v6
-        with:
-          fetch-depth: 0
-      - name: Set up python and install the project
-        id: python-setup
-        uses: ./.github/actions/python-setup
-        with:
-          python-version: ${{ matrix.python-version }}
-          os: ${{ runner.os }}
-        env:
-          UV_CACHE_DIR: /tmp/.uv-cache
-      - name: Run samples lint
-        run: uv run poe samples-lint
-      - name: Run samples syntax check
-        run: uv run poe samples-syntax
-      - name: Run markdown code lint
-        run: uv run poe markdown-code-lint
-
-  mypy:
-    name: Mypy Checks
-    if: "!cancelled()"
-    strategy:
-      fail-fast: false
-      matrix:
-        python-version: ["3.10"]
-    runs-on: ubuntu-latest
-    continue-on-error: true
-    defaults:
-      run:
-        working-directory: ./python
-    env:
-      UV_PYTHON: ${{ matrix.python-version }}
-    steps:
-      - uses: actions/checkout@v6
-        with:
-          fetch-depth: 0
-      - name: Set up python and install the project
-        id: python-setup
-        uses: ./.github/actions/python-setup
-        with:
-          python-version: ${{ matrix.python-version }}
-          os: ${{ runner.os }}
-        env:
-          UV_CACHE_DIR: /tmp/.uv-cache
+          extra_args: --config python/.pre-commit-config.yaml --all-files
       - name: Run Mypy
         env:
           GITHUB_BASE_REF: ${{ github.event.pull_request.base.ref || github.base_ref || 'main' }}

.github/workflows/python-merge-tests.yml

@@ -96,7 +96,8 @@ jobs:
         uses: ./.github/actions/azure-functions-integration-setup
         id: azure-functions-setup
       - name: Test with pytest
-        run: uv run poe all-tests -n logical --dist loadfile --dist worksteal --timeout=120 --session-timeout=900 --timeout_method thread --retries 2 --retry-delay 5
+        timeout-minutes: 10
+        run: uv run poe all-tests -n logical --dist loadfile --dist worksteal --timeout 900 --retries 3 --retry-delay 10
         working-directory: ./python
       - name: Test core samples
         timeout-minutes: 10
@@ -152,8 +153,8 @@ jobs:
           tenant-id: ${{ secrets.AZURE_TENANT_ID }}
           subscription-id: ${{ secrets.AZURE_SUBSCRIPTION_ID }}
       - name: Test with pytest
-        timeout-minutes: 15
-        run: uv run --directory packages/azure-ai poe integration-tests -n logical --dist loadfile --dist worksteal --timeout=120 --session-timeout=900 --timeout_method thread --retries 2 --retry-delay 5
+        timeout-minutes: 10
+        run: uv run --directory packages/azure-ai poe integration-tests -n logical --dist loadfile --dist worksteal --timeout 300 --retries 3 --retry-delay 10
         working-directory: ./python
       - name: Test Azure AI samples
         timeout-minutes: 10

.gitignore

@@ -199,6 +199,8 @@ temp*/
 .tmp/
 .temp/
 
+agents.md
+
 # AI
 .claude/
 WARP.md

README.md

@@ -53,7 +53,7 @@ Still have questions? Join our [weekly office hours](./COMMUNITY.md#public-commu
 ### ✨ **Highlights**
 
 - **Graph-based Workflows**: Connect agents and deterministic functions using data flows with streaming, checkpointing, human-in-the-loop, and time-travel capabilities
-  - [Python workflows](./python/samples/03-workflows/) | [.NET workflows](./dotnet/samples/GettingStarted/Workflows/)
+  - [Python workflows](./python/samples/getting_started/workflows/) | [.NET workflows](./dotnet/samples/GettingStarted/Workflows/)
 - **AF Labs**: Experimental packages for cutting-edge features including benchmarking, reinforcement learning, and research initiatives
   - [Labs directory](./python/packages/lab/)
 - **DevUI**: Interactive developer UI for agent development, testing, and debugging workflows
@@ -73,11 +73,11 @@ Still have questions? Join our [weekly office hours](./COMMUNITY.md#public-commu
 - **Python and C#/.NET Support**: Full framework support for both Python and C#/.NET implementations with consistent APIs
   - [Python packages](./python/packages/) | [.NET source](./dotnet/src/)
 - **Observability**: Built-in OpenTelemetry integration for distributed tracing, monitoring, and debugging
-  - [Python observability](./python/samples/02-agents/observability/) | [.NET telemetry](./dotnet/samples/GettingStarted/AgentOpenTelemetry/)
+  - [Python observability](./python/samples/getting_started/observability/) | [.NET telemetry](./dotnet/samples/GettingStarted/AgentOpenTelemetry/)
 - **Multiple Agent Provider Support**: Support for various LLM providers with more being added continuously
-  - [Python examples](./python/samples/02-agents/providers/) | [.NET examples](./dotnet/samples/GettingStarted/AgentProviders/)
+  - [Python examples](./python/samples/getting_started/agents/) | [.NET examples](./dotnet/samples/GettingStarted/AgentProviders/)
 - **Middleware**: Flexible middleware system for request/response processing, exception handling, and custom pipelines
-  - [Python middleware](./python/samples/02-agents/middleware/) | [.NET middleware](./dotnet/samples/GettingStarted/Agents/Agent_Step14_Middleware/)
+  - [Python middleware](./python/samples/getting_started/middleware/) | [.NET middleware](./dotnet/samples/GettingStarted/Agents/Agent_Step14_Middleware/)
 
 ### 💬 **We want your feedback!**
 
@@ -108,7 +108,7 @@ async def main():
         # api_version=os.environ["AZURE_OPENAI_API_VERSION"],
         # api_key=os.environ["AZURE_OPENAI_API_KEY"],  # Optional if using AzureCliCredential
         credential=AzureCliCredential(), # Optional, if using api_key
-    ).as_agent(
+    ).create_agent(
         name="HaikuBot",
         instructions="You are an upbeat assistant that writes beautifully.",
     )
@@ -125,14 +125,13 @@ Create a simple Agent, using OpenAI Responses, that writes a haiku about the Mic
 
 ```c#
 // dotnet add package Microsoft.Agents.AI.OpenAI --prerelease
-using Microsoft.Agents.AI;
+using System;
 using OpenAI;
-using OpenAI.Responses;
 
 // Replace the <apikey> with your OpenAI API key.
 var agent = new OpenAIClient("<apikey>")
-    .GetResponsesClient("gpt-4o-mini")
-    .AsAIAgent(name: "HaikuBot", instructions: "You are an upbeat assistant that writes beautifully.");
+    .GetOpenAIResponseClient("gpt-4o-mini")
+    .CreateAIAgent(name: "HaikuBot", instructions: "You are an upbeat assistant that writes beautifully.");
 
 Console.WriteLine(await agent.RunAsync("Write a haiku about Microsoft Agent Framework."));
 ```
@@ -143,18 +142,15 @@ Create a simple Agent, using Azure OpenAI Responses with token based auth, that
 // dotnet add package Microsoft.Agents.AI.OpenAI --prerelease
 // dotnet add package Azure.Identity
 // Use `az login` to authenticate with Azure CLI
-using System.ClientModel.Primitives;
-using Azure.Identity;
-using Microsoft.Agents.AI;
+using System;
 using OpenAI;
-using OpenAI.Responses;
 
 // Replace <resource> and gpt-4o-mini with your Azure OpenAI resource name and deployment name.
 var agent = new OpenAIClient(
     new BearerTokenPolicy(new AzureCliCredential(), "https://ai.azure.com/.default"),
     new OpenAIClientOptions() { Endpoint = new Uri("https://<resource>.openai.azure.com/openai/v1") })
-    .GetResponsesClient("gpt-4o-mini")
-    .AsAIAgent(name: "HaikuBot", instructions: "You are an upbeat assistant that writes beautifully.");
+    .GetOpenAIResponseClient("gpt-4o-mini")
+    .CreateAIAgent(name: "HaikuBot", instructions: "You are an upbeat assistant that writes beautifully.");
 
 Console.WriteLine(await agent.RunAsync("Write a haiku about Microsoft Agent Framework."));
 ```
@@ -163,9 +159,9 @@ Console.WriteLine(await agent.RunAsync("Write a haiku about Microsoft Agent Fram
 
 ### Python
 
-- [Getting Started with Agents](./python/samples/01-get-started): progressive tutorial from hello-world to hosting
-- [Agent Concepts](./python/samples/02-agents): deep-dive samples by topic (tools, middleware, providers, etc.)
-- [Getting Started with Workflows](./python/samples/03-workflows): workflow creation and integration with agents
+- [Getting Started with Agents](./python/samples/getting_started/agents): basic agent creation and tool usage
+- [Chat Client Examples](./python/samples/getting_started/chat_client): direct chat client usage patterns
+- [Getting Started with Workflows](./python/samples/getting_started/workflows): basic workflow creation and integration with agents
 
 ### .NET
 

agent-samples/README.md

@@ -1,3 +1,3 @@
 # Declarative Agents
 
-This folder contains sample agent definitions that can be run using the declarative agent support, for python see the [declarative agent python sample folder](../python/samples/02-agents/declarative/).
+This folder contains sample agent definitions that can be run using the declarative agent support, for python see the [declarative agent python sample folder](../python/samples/getting_started/declarative/).

docs/decisions/0012-python-typeddict-options.md

@@ -126,4 +126,4 @@ response = await client.get_response(
 
 Chosen option: **"Option 2: TypedDict with Generic Type Parameters"**, because it provides full type safety, excellent IDE support with autocompletion, and allows users to extend provider-specific options for their use cases. Extended this Generic to ChatAgents in order to also properly type the options used in agent construction and run methods.
 
-See [typed_options.py](../../python/samples/02-agents/typed_options.py) for a complete example demonstrating the usage of typed options with custom extensions.
+See [typed_options.py](../../python/samples/getting_started/chat_client/typed_options.py) for a complete example demonstrating the usage of typed options with custom extensions.

docs/decisions/0015-agent-run-context.md

@@ -1,147 +0,0 @@
----
-status: proposed
-contact: westey-m
-date: 2026-01-27
-deciders: sergeymenshykh, markwallace, rbarreto, dmytrostruk, westey-m, eavanvalkenburg, stephentoub, lokitoth, alliscode, taochenosu, moonbox3
-consulted: 
-informed: 
----
-
-# AgentRunContext for Agent Run
-
-## Context and Problem Statement
-
-During an agent run, various components involved in the execution (middleware, filters, tools, nested agents, etc.) may need access to contextual information about the current run, such as:
-
-1. The agent that is executing the run
-2. The session associated with the run
-3. The request messages passed to the agent
-4. The run options controlling the agent's behavior
-
-Additionally, some components may need to modify this context during execution, for example:
-
-- Replacing the session with a different one
-- Modifying the request messages before they reach the agent core
-- Updating or replacing the run options entirely
-
-Currently, there is no standardized way to access or modify this context from arbitrary code that executes during an agent run, especially from deeply nested call stacks where the context is not explicitly passed.
-
-## Sample Scenario
-
-When using an Agent as an AIFunction developers may want to pass context from the parent agent run to the child agent run. For example, the developer may want to copy chat history to the child agent, or share the same session across both agents.
-
-To enable these scenarios, we need a way to access the parent agent run context, including e.g. the parent agent itself, the parent agent session, and the parent run options from function tool calls.
-
-```csharp
-    public static AIFunction AsAIFunctionWithSessionPropagation(this ChatClientAgent agent, AIFunctionFactoryOptions? options = null)
-    {
-        Throw.IfNull(agent);
-
-        [Description("Invoke an agent to retrieve some information.")]
-        async Task<string> InvokeAgentAsync(
-            [Description("Input query to invoke the agent.")] string query,
-            CancellationToken cancellationToken)
-        {
-            // Get the session from the parent agent and pass it to the child agent.
-            var session = AIAgent.CurrentRunContext?.Session;
-
-            // Alternatively, the developer may want to create a new session but copy over the chat history from the parent agent.
-            // var parentChatHistory = AIAgent.CurrentRunContext?.Session?.GetService<IList<ChatMessage>>();
-            // if (parentChatHistory != null)
-            // {
-            //     var chp = new InMemoryChatHistoryProvider();
-            //     foreach (var message in parentChatHistory)
-            //     {
-            //         chp.Add(message);
-            //     }
-            //     session = agent.GetNewSession(chp);
-            // }
-
-            var response = await agent.RunAsync(query, session: session, cancellationToken: cancellationToken).ConfigureAwait(false);
-            return response.Text;
-        }
-
-        options ??= new();
-        options.Name ??= SanitizeAgentName(agent.Name);
-        options.Description ??= agent.Description;
-
-        return AIFunctionFactory.Create(InvokeAgentAsync, options);
-    }
-```
-
-## Decision Drivers
-
-- Components executing during an agent run need access to run context without explicit parameter passing through every layer
-- Context should flow naturally across async calls without manual propagation
-- The design should allow modification of context properties by agent decorators (e.g., replacing options or session)
-- Solution should be consistent with patterns used in similar frameworks (e.g., `FunctionInvokingChatClient.CurrentContext` `HttpContext.Current`, `Activity.Current`)
-
-## Considered Options
-
-- **Option 1**: Pass context explicitly through all method signatures
-- **Option 2**: Use `AsyncLocal<T>` to provide ambient context accessible anywhere during the run
-- **Option 3**: Use a combination of explicit parameters for `RunCoreAsync` and `AsyncLocal<T>` for ambient access
-
-## Decision Outcome
-
-Chosen option: **Option 3** - Combination of explicit parameters and AsyncLocal ambient access.
-
-This approach provides the best of both worlds:
-
-1. **Explicit parameters are passed to `RunCoreAsync`**: The core agent implementation receives the parameters explicitly, making it clear what data is available and enabling easy unit testing. Any modification of these in a decorator will require calling `RunAsync` on the inner agent with the updated parameters, which would result in the inner agent creating a new `AgentRunContext` instance.
-
-   ```csharp
-    public async Task<AgentResponse> RunAsync(
-        IEnumerable<ChatMessage> messages,
-        AgentSession? session = null,
-        AgentRunOptions? options = null,
-        CancellationToken cancellationToken = default)
-    {
-
-        CurrentRunContext = new(this, session, messages as IReadOnlyCollection<ChatMessage> ?? messages.ToList(), options);
-        return await this.RunCoreAsync(messages, session, options, cancellationToken).ConfigureAwait(false);
-    }
-   ```
-
-2. **`AsyncLocal<AgentRunContext?>` for ambient access**: The context is stored in an `AsyncLocal<T>` field, making it accessible from any code executing during the agent run via a static property.
-
-    The main scenario for this is to allow deeply nested components (e.g., tools, chat client middleware) to access the context without needing to pass it through every method signature. These are external components that cannot easily be modified to accept additional parameters. For internal components, we prefer passing any parameters explicitly.
-
-   ```csharp
-   public static AgentRunContext? CurrentRunContext
-   {
-       get => s_currentContext.Value;
-       protected set => s_currentContext.Value = value;
-   }
-   ```
-
-### AgentRunContext Design
-
-The `AgentRunContext` class encapsulates all run-related state:
-
-```csharp
-public class AgentRunContext
-{
-    public AgentRunContext(
-        AIAgent agent,
-        AgentSession? session,
-        IReadOnlyCollection<ChatMessage> requestMessages,
-        AgentRunOptions? agentRunOptions)
-
-    public AIAgent Agent { get; }
-    public AgentSession? Session { get; }
-    public IReadOnlyCollection<ChatMessage> RequestMessages { get; }
-    public AgentRunOptions? RunOptions { get; }
-}
-```
-
-Key design decisions:
-
-- **All properties are read-only**: While some of the sub-properties on the provided properties (like `AgentRunOptions.AllowBackgroundResponses`) may be mutable, the `AgentRunContext` itself is immutable and we want to discourage anyone modifying the values in the context.  Modifying the context is unlikely to result in the desired behavior, as the values will typically already have been used by the time any custom code accesses them.
-
-### Benefits
-
-1. **Ambient Access**: Any code executing during the run can access context via `AIAgent.CurrentRunContext` without needing explicit parameters
-2. **Async Flow**: `AsyncLocal<T>` automatically flows across async/await boundaries
-3. **Modifiability**: Components can modify or replace session, messages, or options as needed
-4. **Testability**: The explicit parameter to `RunCoreAsync` makes unit testing straightforward

docs/decisions/0016-structured-output.md

@@ -1,658 +0,0 @@
----
-status: proposed
-contact: sergeymenshykh
-date: 2026-01-22
-deciders: rbarreto, westey-m, stephentoub
-informed: {}
----
-
-# Structured Output
-
-Structured output is a valuable aspect of any agent system, since it forces an agent to produce output in a required format that may include required fields.
-This allows easily turning unstructured data into structured data using a general-purpose language model.
-
-## Context and Problem Statement
-
-Structured output is currently supported only by `ChatClientAgent` and can be configured in two ways:
-
-**Approach 1: ResponseFormat + Deserialize**
-
-Specify the SO type schema via the `ChatClientAgent{Run}Options.ChatOptions.ResponseFormat` property at agent creation or invocation time, then use `JsonSerializer.Deserialize<T>` to extract the structured data from the response text.
-
-	```csharp
-	// SO type can be provided at agent creation time
-	ChatClientAgent agent = chatClient.AsAIAgent(new ChatClientAgentOptions()
-	{
-		Name = "...",
-		ChatOptions = new() { ResponseFormat = ChatResponseFormat.ForJsonSchema<PersonInfo>() }
-	});
-
-	AgentResponse response = await agent.RunAsync("...");
-
-	PersonInfo personInfo = response.Deserialize<PersonInfo>(JsonSerializerOptions.Web);
-
-	Console.WriteLine($"Name: {personInfo.Name}");
-	Console.WriteLine($"Age: {personInfo.Age}");
-	Console.WriteLine($"Occupation: {personInfo.Occupation}");
-
-	// Alternatively, SO type can be provided at agent invocation time
-	response = await agent.RunAsync("...", new ChatClientAgentRunOptions()
-	{
-		ChatOptions = new() { ResponseFormat = ChatResponseFormat.ForJsonSchema<PersonInfo>() }
-	});
-
-	personInfo = response.Deserialize<PersonInfo>(JsonSerializerOptions.Web);
-
-	Console.WriteLine($"Name: {personInfo.Name}");
-	Console.WriteLine($"Age: {personInfo.Age}");
-	Console.WriteLine($"Occupation: {personInfo.Occupation}");
-	```
-
-**Approach 2: Generic RunAsync<T>**
-
-Supply the SO type as a generic parameter to `RunAsync<T>` and access the parsed result directly via the `Result` property.
-
-	```csharp
-	ChatClientAgent agent = ...;
-	
-	AgentResponse<PersonInfo> response = await agent.RunAsync<PersonInfo>("...");
-
-	Console.WriteLine($"Name: {response.Result.Name}");
-	Console.WriteLine($"Age: {response.Result.Age}");
-	Console.WriteLine($"Occupation: {response.Result.Occupation}");
-	```
-	Note: `RunAsync<T>` is an instance method of `ChatClientAgent` and not part of the `AIAgent` base class since not all agents support structured output.
-
-Approach 1 is perceived as cumbersome by the community, as it requires additional effort when using primitive or collection types - the SO schema may need to be wrapped in an artificial JSON object. Otherwise, the caller will encounter an error like _Invalid schema for response_format 'Movie': schema must be a JSON Schema of 'type: "object"', got 'type: "array"'_. 
-This occurs because OpenAI and compatible APIs require a JSON object as the root schema.
-
-Approach 1 is also necessary in scenarios where (a) agents can only be configured with SO at creation time (such as with `AIProjectClient`), (b) the SO type is not known at compile time, or (c) the JSON schema is represented as text (for declarative agents) or as a `JsonElement`.
-
-Approach 2 is more convenient and works seamlessly with primitives and collections. However, it requires the SO type to be known at compile time, making it less flexible.
-
-Additionally, since the `RunAsync<T>` methods are instance methods of `ChatClientAgent` and are not part of the `AIAgent` base class, applying decorators like `OpenTelemetryAgent` on top of `ChatClientAgent` prevents users from accessing `RunAsync<T>`, meaning structured output is not available with decorated agents.
-
-Given the different scenarios above in which structured output can be used, there is no one-size-fits-all solution. Each approach has its own advantages and limitations,
-and the two can complement each other to provide a comprehensive structured output experience across various use cases.
-
-## Approaches Overview
-
-1. SO usage via `ResponseFormat` property
-2. SO usage via `RunAsync<T>` generic method
-
-## 1. SO usage via `ResponseFormat` property
-
-This approach should be used in the following scenarios:
- - 1.1 SO result as text is sufficient as is, and deserialization is not required
- - 1.2 SO for inter-agent collaboration
- - 1.3 SO can only be configured at agent creation time (such as with `AIProjectClient`)
- - 1.4 SO type is not known at compile time and represented by System.Type
- - 1.5 SO is represented by JSON schema and there's no corresponding .NET type either at compile time or at runtime
- - 1.6 SO in streaming scenarios, where the SO response is produced in parts
-
-**Note: Primitives and arrays are not supported by this approach.**
-
-When a caller provides a schema via `ResponseFormat`, they are explicitly telling the framework what schema to use. The framework passes that schema through as-is and
-is not responsible for transforming it. Because the framework does not own the schema, it cannot wrap primitives or arrays into a JSON object to satisfy API requirements,
-nor can it unwrap the response afterward - the caller controls the schema and is responsible for ensuring it is compatible with the underlying API.
-
-This is in contrast to the `RunAsync<T>` approach (section 2), where the caller provides a type `T` and says "make it work." In that case, the caller does not
-dictate the schema - the framework infers the schema from `T`, owns the end-to-end pipeline (schema generation, API invocation, and deserialization), and can
-therefore wrap and unwrap primitives and arrays transparently.
-
-Additionally, in streaming scenarios (1.6), the framework cannot reliably unwrap a response it did not wrap, since it has no way of knowing whether the caller wrapped the schema.Wrapping and unwrapping can only be done safely when the framework owns the entire lifecycle - from schema creation through deserialization — which is only the case with `RunAsync<T>`.
-
-If a caller needs to work with primitives or arrays via the `ResponseFormat` approach, they can easily create a wrapper type around them:
-
-```csharp
-public class MovieListWrapper
-{
-    public List<string> Movies { get; set; }
-}
-```
-
-### 1.1 SO result as text is sufficient as is, and deserialization is not required
-
-In this scenario, the caller only needs the raw JSON text returned by the model and does not need to deserialize it into a .NET type.
-The SO schema is specified via `ResponseFormat` at agent creation or invocation time, and the response text is consumed directly from the `AgentResponse`.
-
-```csharp
-AIAgent agent = chatClient.AsAIAgent();
-
-AgentRunOptions runOptions = new()
-{
-        ResponseFormat = ChatResponseFormat.ForJsonSchema<PersonInfo>()
-};
-
-AgentResponse response = await agent.RunAsync("...", options: runOptions);
-
-Console.WriteLine(response.Text);
-```
-
-### 1.2 SO for inter-agent collaboration
-
-This scenario assumes a multi-agent setup where agents collaborate by passing messages to each other.
-One agent produces structured output as text that is then passed directly as input to the next agent, without intermediate deserialization.
-
-```csharp
-// First agent extracts structured data from unstructured input
-AIAgent extractionAgent = chatClient.AsAIAgent(new ChatClientAgentOptions()
-{
-    Name = "ExtractionAgent",
-    ChatOptions = new() 
-    { 
-        Instructions = "Extract person information from the provided text.",
-        ResponseFormat = ChatResponseFormat.ForJsonSchema<PersonInfo>() 
-    }
-});
-
-AgentResponse extractionResponse = await extractionAgent.RunAsync("John Smith is a 35-year-old software engineer.");
-
-// Pass the message with structured output text directly to the next agent
-ChatMessage soMessage = extractionResponse.Messages.Last();
-
-AIAgent summaryAgent = chatClient.AsAIAgent(new ChatClientAgentOptions()
-{
-    Name = "SummaryAgent",
-    ChatOptions = new() { Instructions = "Given the following structured person data, write a short professional bio." }
-});
-
-AgentResponse summaryResponse = await summaryAgent.RunAsync(soMessage);
-
-Console.WriteLine(summaryResponse);
-```
-
-### 1.3 SO configured at agent creation time
-
-In this scenario, the SO schema can only be configured at agent creation time (such as with `AIProjectClient`) and cannot be changed on a per-run basis.
-The caller specifies the `ResponseFormat` when creating the agent, and all subsequent invocations use the same schema.
-
-```csharp
-AIProjectClient client = ...;
-
-AIAgent agent = await client.CreateAIAgentAsync(model: "<model>", new ChatClientAgentOptions()
-{
-    Name = "...",
-    ChatOptions = new() { ResponseFormat = ChatResponseFormat.ForJsonSchema<PersonInfo>() }
-});
-
-AgentResponse response = await agent.RunAsync("Please provide information about John Smith.");
-
-PersonInfo personInfo = JsonSerializer.Deserialize<PersonInfo>(response.Text, JsonSerializerOptions.Web)!;
-
-Console.WriteLine($"Name: {personInfo.Name}");
-Console.WriteLine($"Age: {personInfo.Age}");
-Console.WriteLine($"Occupation: {personInfo.Occupation}");
-```
-
-### 1.4 SO type not known at compile time and represented by System.Type
-
-In this scenario, the SO type is not known at compile time and is provided as a `System.Type` at runtime. This is useful for dynamic scenarios where the schema is determined programmatically, 
-such as when building tooling or frameworks that work with user-defined types.
-
-```csharp
-Type soType = GetStructuredOutputTypeFromConfiguration(); // e.g., typeof(PersonInfo)
-
-ChatResponseFormat responseFormat = ChatResponseFormat.ForJsonSchema(soType);
-
-AgentResponse response = await agent.RunAsync("...", new ChatClientAgentRunOptions()
-{
-    ChatOptions = new() { ResponseFormat = responseFormat }
-});
-
-PersonInfo personInfo = (PersonInfo)JsonSerializer.Deserialize(response.Text, soType, JsonSerializerOptions.Web)!;
-```
-
-### 1.5 SO represented by JSON schema with no corresponding .NET type
-
-In this scenario, the SO schema is represented as raw JSON schema text or a `JsonElement`, and there is no corresponding .NET type available at compile time or runtime.
-This is typical for declarative agents or scenarios where schemas are loaded from external configuration.
-
-```csharp
-// JSON schema provided as a string, e.g., loaded from a configuration file
-string jsonSchema = """
-{
-    "type": "object",
-    "properties": {
-        "name": { "type": "string" },
-        "age": { "type": "integer" },
-        "occupation": { "type": "string" }
-    },
-    "required": ["name", "age", "occupation"]
-}
-""";
-
-ChatResponseFormat responseFormat = ChatResponseFormat.ForJsonSchema(
-    jsonSchemaName: "PersonInfo",
-    jsonSchema: BinaryData.FromString(jsonSchema));
-
-AgentResponse response = await agent.RunAsync("...", new ChatClientAgentRunOptions()
-{
-    ChatOptions = new() { ResponseFormat = responseFormat }
-});
-
-// Consume the SO result as text since there's no .NET type to deserialize into
-Console.WriteLine(response.Text);
-```
-
-### 1.6 SO in streaming scenarios
-
-In this scenario, the SO response is produced incrementally in parts via streaming. The caller specifies the `ResponseFormat` and consumes the response chunks as they arrive.
-Deserialization is performed after all chunks have been received.
-
-```csharp
-AIAgent agent = chatClient.AsAIAgent(new ChatClientAgentOptions()
-{
-    Name = "HelpfulAssistant",
-    ChatOptions = new()
-    {
-        Instructions = "You are a helpful assistant.",
-        ResponseFormat = ChatResponseFormat.ForJsonSchema<PersonInfo>()
-    }
-});
-
-IAsyncEnumerable<AgentResponseUpdate> updates = agent.RunStreamingAsync("Please provide information about John Smith, who is a 35-year-old software engineer.");
-
-AgentResponse response = await updates.ToAgentResponseAsync();
-
-// Deserialize the complete SO result after streaming is finished
-PersonInfo personInfo = JsonSerializer.Deserialize<PersonInfo>(response.Text)!;
-```
-
-## 2. SO usage via `RunAsync<T>` generic method
-
-This approach provides a convenient way to work with structured output on a per-run basis when the target type is known at compile time and a typed instance of the result
-is required.
-
-### Decision Drivers
-
-1. Support arrays and primitives as SO types
-2. Support complex types as SO types
-3. Work with `AIAgent` decorators (e.g., `OpenTelemetryAgent`)
-4. Enable SO for all AI agents, regardless of whether they natively support it
-
-### Considered Options
-
-1. `RunAsync<T>` as an instance method of `AIAgent` class delegating to virtual `RunCoreAsync<T>`
-2. `RunAsync<T>` as an extension method using feature collection
-3. `RunAsync<T>` as a method of the new `ITypedAIAgent` interface
-4. `RunAsync<T>` as an instance method of `AIAgent` class working via the new `AgentRunOptions.ResponseFormat` property
-
-### 1. `RunAsync<T>` as an instance method of `AIAgent` class delegating to virtual `RunCoreAsync<T>`
-
-This option adds the `RunAsync<T>` method directly to the `AIAgent` base class.
-
-```csharp
-public abstract class AIAgent
-{
-	public Task<AgentResponse<T>> RunAsync<T>(
-        IEnumerable<ChatMessage> messages,
-        AgentSession? session = null,
-        JsonSerializerOptions? serializerOptions = null,
-        AgentRunOptions? options = null,
-        CancellationToken cancellationToken = default)
-		=> this.RunCoreAsync<T>(messages, session, serializerOptions, options, cancellationToken);
-
-    protected virtual Task<AgentResponse<T>> RunCoreAsync<T>(
-        IEnumerable<ChatMessage> messages,
-        AgentSession? session = null,
-        JsonSerializerOptions? serializerOptions = null,
-        AgentRunOptions? options = null,
-        CancellationToken cancellationToken = default)
-    {
-        throw new NotSupportedException($"The agent of type '{this.GetType().FullName}' does not support typed responses.");
-    }
-}
-```
-
-Agents with native SO support override the `RunCoreAsync<T>` method to provide their implementation. If not overridden, the method throws a `NotSupportedException`.
-
-Users will call the generic `RunAsync<T>` method directly on the agent:
-
-```csharp
-AIAgent agent = chatClient.AsAIAgent(name: "HelpfulAssistant", instructions: "You are a helpful assistant.");
-
-AgentResponse<PersonInfo> response = await agent.RunAsync<PersonInfo>("Please provide information about John Smith, who is a 35-year-old software engineer.");
-```
-
-Decision drivers satisfied:
-1. Support arrays and primitives as SO types
-2. Support complex types as SO types
-3. Work with `AIAgent` decorators (e.g., `OpenTelemetryAgent`)
-4. Enable SO for all AI agents, regardless of whether they natively support it
-
-Pros:
-- The `AIAgent.RunAsync<T>` method is easily discoverable.
-- Both the SO decorator and `ChatClientAgent` have compile-time access to the type `T`, allowing them to use the native `IChatClient.GetResponseAsync<T>` API, which handles primitives and collections seamlessly.
-
-Cons:
-- Agents without native SO support will still expose `RunAsync<T>`, which may be misleading.
-- `ChatClientAgent` exposing `RunAsync<T>` may be misleading when the underlying chat client does not support SO.
-- All `AIAgent` decorators must override `RunCoreAsync<T>` to properly handle `RunAsync<T>` calls.
-
-### 2. `RunAsync<T>` as an extension method using feature collection
-
-This option uses the Agent Framework feature collection (implemented via `AgentRunOptions.AdditionalProperties`) to pass a `StructuredOutputFeature` to agents, signaling that SO is requested.
-
-Agents with native SO support check for this feature. If present, they read the target type, build the schema, invoke the underlying API, and store the response back in the feature.
-```csharp
-public class StructuredOutputFeature
-{
-    public StructuredOutputFeature(Type outputType)
-    {
-        this.OutputType = outputType;
-    }
-
-    [JsonIgnore]
-    public Type OutputType { get; set; }
-
-    public JsonSerializerOptions? SerializerOptions { get; set; }
-
-    public AgentResponse? Response { get; set; }
-}
-```
-
-The `RunAsync<T>` extension method for `AIAgent` adds this feature to the collection.
-```csharp
-public static async Task<AgentResponse<T>> RunAsync<T>(
-    this AIAgent agent,
-    IEnumerable<ChatMessage> messages,
-    AgentSession? session = null,
-    JsonSerializerOptions? serializerOptions = null,
-    AgentRunOptions? options = null,
-    CancellationToken cancellationToken = default)
-{
-    // Create the structured output feature.
-    StructuredOutputFeature structuredOutputFeature = new(typeof(T))
-    {
-        SerializerOptions = serializerOptions,
-    };
-
-    // Register it in the feature collection.
-    ((options ??= new AgentRunOptions()).AdditionalProperties ??= []).Add(typeof(StructuredOutputFeature).FullName!, structuredOutputFeature);
-
-    var response = await agent.RunAsync(messages, session, options, cancellationToken).ConfigureAwait(false);
-
-    if (structuredOutputFeature.Response is not null)
-    {
-        return new StructuredOutputResponse<T>(structuredOutputFeature.Response, response, serializerOptions);
-    }
-
-    throw new InvalidOperationException("No structured output response was generated by the agent.");
-}
-```
-
-Users will call the `RunAsync<T>` extension method directly on the agent:
-
-```csharp
-AIAgent agent = chatClient.AsAIAgent(name: "HelpfulAssistant", instructions: "You are a helpful assistant.");
-
-AgentResponse<PersonInfo> response = await agent.RunAsync<PersonInfo>("Please provide information about John Smith, who is a 35-year-old software engineer.");
-```
-
-Decision drivers satisfied:
-1. Support arrays and primitives as SO types
-2. Support complex types as SO types
-3. Work with `AIAgent` decorators (e.g., `OpenTelemetryAgent`)
-4. Enable SO for all AI agents, regardless of whether they natively support it
-
-Pros:
-- The `RunAsync<T>` extension method is easily discoverable.
-- The `AIAgent` public API surface remains unchanged.
-- No changes required to `AIAgent` decorators.
-
-Cons:
-- Agents without native SO support will still expose `RunAsync<T>`, which may be misleading.
-- `ChatClientAgent` exposing `RunAsync<T>` may be misleading when the underlying chat client does not support SO.
-
-### 3. `RunAsync<T>` as a method of the new `ITypedAIAgent` interface
-
-This option defines a new `ITypedAIAgent` interface that agents with SO support implement. Agents without SO support do not implement it, allowing users to check for SO capability via interface detection.
-
-The interface:
-```csharp
-public interface ITypedAIAgent
-{
-    Task<AgentResponse<T>> RunAsync<T>(
-        IEnumerable<ChatMessage> messages,
-        AgentSession? session = null,
-        JsonSerializerOptions? serializerOptions = null,
-        AgentRunOptions? options = null,
-        CancellationToken cancellationToken = default);
-
-    ...
-}
-```
-
-Agents with SO support implement this interface:
-```csharp
-public sealed partial class ChatClientAgent : AIAgent, ITypedAIAgent
-{
-    public async Task<AgentResponse<T>> RunAsync<T>(
-        IEnumerable<ChatMessage> messages,
-        AgentSession? session = null,
-        JsonSerializerOptions? serializerOptions = null,
-        AgentRunOptions? options = null,
-        CancellationToken cancellationToken = default)
-    {
-        ...
-    }
-}
-```
-
-However, `ChatClientAgent` presents a challenge: it can work with chat clients that either support or do not support SO. Implementing the interface does not guarantee 
-the underlying chat client supports SO, which undermines the core idea of using interface detection to determine SO capability.
-
-Additionally, to allow users to access interface methods on decorated agents, all decorators must implement `ITypedAIAgent`. This makes it difficult for users to 
-determine whether the underlying agent actually supports SO, further weakening the purpose of this approach.
-
-Furthermore, users would have to probe the agent type to check if it implements the `ITypedAIAgent` interface and cast it accordingly to access the `RunAsync<T>` methods.
-This adds friction to the user experience. A `RunAsync<T>` extension method for `AIAgent` could be provided to alleviate that.
-
-Given these drawbacks, this option is more complex to implement than the others without providing clear benefits.
-
-Decision drivers satisfied:
-1. Support arrays and primitives as SO types
-2. Support complex types as SO types
-3. Work with `AIAgent` decorators (e.g., `OpenTelemetryAgent`)
-4. Enable SO for all AI agents, regardless of whether they natively support it
-
-Pros:
-- Both the SO decorator and `ChatClientAgent` have compile-time access to the type `T`, allowing them to use the native `IChatClient.GetResponseAsync<T>` API, which handles primitives and collections seamlessly.
-
-Cons:
-- `ChatClientAgent` implementing `ITypedAIAgent` may be misleading when the underlying chat client does not support SO.
-- All `AIAgent` decorators must implement `ITypedAIAgent` to handle `RunAsync<T>` calls.
-- Decorators implementing the interface may mislead users into thinking the underlying agent natively supports SO.
-- Agents must implement all members of `ITypedAIAgent`, not just a core method.
-- Users must check the agent type and cast to `ITypedAIAgent` to access `RunAsync<T>`.
-
-### 4. `RunAsync<T>` as an instance method of `AIAgent` class working via the new `AgentRunOptions.ResponseFormat` property
-
-This option adds a `ResponseFormat` property of type `ChatResponseFormat` to `AgentRunOptions`. Agents that support SO check for the presence of 
-this property in the options passed to `RunAsync` to determine whether structured output is requested. If present, they use the schema from `ResponseFormat` 
-to invoke the underlying API and obtain the SO response.
-
-```csharp
-public class AgentRunOptions
-{
-    public ChatResponseFormat? ResponseFormat { get; set; }
-}
-```
-
-Additionally, a generic `RunAsync<T>` method is added to `AIAgent` that initializes the `ResponseFormat` based on the type `T` and delegates to the non-generic `RunAsync`.
-
-```csharp
-public abstract class AIAgent
-{
-	public async Task<AgentResponse<T>> RunAsync<T>(
-        IEnumerable<ChatMessage> messages,
-        AgentSession? session = null,
-        JsonSerializerOptions? serializerOptions = null,
-        AgentRunOptions? options = null,
-        CancellationToken cancellationToken = default)
-    {
-        serializerOptions ??= AgentAbstractionsJsonUtilities.DefaultOptions;
-
-        var responseFormat = ChatResponseFormat.ForJsonSchema<T>(serializerOptions);
-
-        options = options?.Clone() ?? new AgentRunOptions();
-        options.ResponseFormat = responseFormat;
-
-        AgentResponse response = await this.RunAsync(messages, session, options, cancellationToken).ConfigureAwait(false);
-
-        return new AgentResponse<T>(response, serializerOptions);
-    }
-}
-```
-
-Users call the generic `RunAsync<T>` method directly on the agent:
-
-```csharp
-AIAgent agent = chatClient.AsAIAgent(name: "HelpfulAssistant", instructions: "You are a helpful assistant.");
-
-AgentResponse<PersonInfo> response = await agent.RunAsync<PersonInfo>("Please provide information about John Smith, who is a 35-year-old software engineer.");
-```
-
-Decision drivers satisfied:
-1. Support arrays and primitives as SO types
-2. Support complex types as SO types
-3. Work with `AIAgent` decorators (e.g., `OpenTelemetryAgent`)
-4. Enable SO for all AI agents, regardless of whether they natively support it
-
-Pros:
-- The `AIAgent.RunAsync<T>` method is easily discoverable.
-- No changes required to `AIAgent` decorators
-
-Cons:
-- Agents without native SO support will still expose `RunAsync<T>`, which may be misleading.
-- `ChatClientAgent` exposing `RunAsync<T>` may be misleading when the underlying chat client does not support SO.
-
-### Decision Table
-
-|  | Option 1: Instance method + RunCoreAsync<T> | Option 2: Extension method + feature collection | Option 3: ITypedAIAgent Interface | Option 4: Instance method + AgentRunOptions.ResponseFormat |
-|---|---|---|---|---|
-| Discoverability | ✅ `RunAsync<T>` easily discoverable | ✅ `RunAsync<T>` easily discoverable | ❌ Requires type check and cast | ✅ `RunAsync<T>` easily discoverable |
-| Decorator changes | ❌ All decorators must override `RunCoreAsync<T>` | ✅ No changes required | ❌ All decorators must implement `ITypedAIAgent` | ✅ No changes required to decorators |
-| Primitives/collections handling | ✅ Native support via `IChatClient.GetResponseAsync<T>` | ❌ Must wrap/unwrap internally | ✅ Native support via `IChatClient.GetResponseAsync<T>` | ❌ Must wrap/unwrap internally |
-| Misleading API exposure | ❌ Agents without SO still expose `RunAsync<T>` | ❌ Agents without SO still expose `RunAsync<T>` | ❌ Interface on `ChatClientAgent` may be misleading | ❌ Agents without SO still expose `RunAsync<T>` |
-| Implementation burden | ❌ Decorators must override method | ❌ Must handle schema wrapping | ❌ Agents must implement all interface members | ✅ Delegates to existing `RunAsync` via `ResponseFormat` |
-
-## Cross-Cutting Aspects
-
-1. **The `useJsonSchemaResponseFormat` parameter**: The `ChatClientAgent.RunAsync<T>` method has this parameter to enable structured output on LLMs that do not natively support it.
-  It works by adding a user message like "Respond with a JSON value conforming to the following schema:" along with the JSON schema. However, this approach has not been reliable historically. The recommendation is not to carry this parameter forward, regardless of which option is chosen.
-
-2. **Primitives and array types handling**: There are a few options for how primitive and array types can be handled in the Agent Framework:
-
-   1. **Never wrap**, regardless of whether the schema is provided via `ResponseFormat` or `RunAsync<T>`.
-       - Pro: No changes needed; user has full control.
-       - Pro: No issues with unwrapping in streaming scenarios.
-       - Con: User must wrap manually.
-
-   2. **Always wrap**, regardless of whether the schema is provided via `ResponseFormat` or `RunAsync<T>`.
-       - Pro: Consistent wrapping behavior; no manual wrapping needed.
-       - Con: Inconsistent unwrapping behavior; it may be unexpected to have SO result wrapped when schema is provided via `ResponseFormat`.
-       - Con: Impossible to know if SO result is wrapped to unwrap it in streaming scenarios.
-
-   3. **Wrap only for `RunAsync<T>`** and do not wrap the schema provided via `ResponseFormat`.
-       - Pro: No unexpectedly wrapped result when schema is provided via `ResponseFormat`.
-       - Pro: Solves the problem with unwrapping in streaming scenarios.
-
-   4. **User decides** whether to wrap schema provided via `ResponseFormat` using a new `wrapPrimitivesAndArrays` property of `ChatResponseFormatJson`. For SO provided via `RunAsync<T>`, AF always wraps.
-       - Pro: No manual wrapping needed; just flip a switch.
-       - Pro: Solves the problem with unwrapping in streaming scenarios.
-       - Con: Extends the public API surface.
-
-3. **Structured output for agents without native SO support**: Some AI agents in AF do not support structured output natively. This is either because it is not part of the protocol (e.g., A2A agent) or because the agents use LLMs without structured output capabilities.
-   To address this gap, AF can provide the `StructuredOutputAgent` decorator. This decorator wraps any `AIAgent` and adds structured output support by obtaining the text response from the decorated agent and delegating it to a configured chat client for JSON transformation.
-   
-   ```csharp
-   public class StructuredOutputAgent : DelegatingAIAgent
-   {
-        private readonly IChatClient _chatClient;
-
-        public StructuredOutputAgent(AIAgent innerAgent, IChatClient chatClient)
-            : base(innerAgent)
-        {
-            this._chatClient = Throw.IfNull(chatClient);
-        }
-
-        protected override async Task<AgentResponse<T>> RunCoreAsync<T>(
-            IEnumerable<ChatMessage> messages,
-            AgentSession? session = null,
-            JsonSerializerOptions? serializerOptions = null,
-            AgentRunOptions? options = null,
-            CancellationToken cancellationToken = default)
-        {
-            // Run the inner agent first, to get back the text response we want to convert.
-            var textResponse = await this.InnerAgent.RunAsync(messages, session, options, cancellationToken).ConfigureAwait(false);
-
-            // Invoke the chat client to transform the text output into structured data.
-            ChatResponse<T> soResponse = await this._chatClient.GetResponseAsync<T>(
-                messages:
-                [
-                    new ChatMessage(ChatRole.System, "You are a json expert and when provided with any text, will convert it to the requested json format."),
-                    new ChatMessage(ChatRole.User, textResponse.Text)
-                ],
-                serializerOptions: serializerOptions ?? AgentJsonUtilities.DefaultOptions,
-                cancellationToken: cancellationToken).ConfigureAwait(false);
-
-            return new StructuredOutputAgentResponse(soResponse, textResponse);
-        }
-   }
-   ```
-
-   The decorator preserves the original response from the decorated agent and surfaces it via the `OriginalResponse` property on the returned `StructuredOutputAgentResponse`.
-   This allows users to access both the original unstructured response and the new structured response when using this decorator.
-   ```csharp
-   public class StructuredOutputAgentResponse : AgentResponse
-   {
-       internal StructuredOutputAgentResponse(ChatResponse chatResponse, AgentResponse agentResponse) : base(chatResponse)
-       {
-           this.OriginalResponse = agentResponse;
-       }
-       
-       public AgentResponse OriginalResponse { get; }
-    }
-   ```
-   
-   The decorator can be registered during the agent configuration step using the `UseStructuredOutput` extension method on `AIAgentBuilder`.
-
-   ```csharp
-   IChatClient meaiChatClient = chatClient.AsIChatClient();
-
-   AIAgent baseAgent = meaiChatClient.AsAIAgent(name: "HelpfulAssistant", instructions: "You are a helpful assistant.");
-
-   // Register the StructuredOutputAgent decorator during agent building
-   AIAgent agent = baseAgent
-       .AsBuilder()
-       .UseStructuredOutput(meaiChatClient)
-       .Build();
-
-   AgentResponse<PersonInfo> response = await agent.RunAsync<PersonInfo>("Please provide information about John Smith, who is a 35-year-old software engineer.");
-
-   Console.WriteLine($"Name: {response.Result.Name}");
-   Console.WriteLine($"Age: {response.Result.Age}");
-   Console.WriteLine($"Occupation: {response.Result.Occupation}");
-   
-   var originalResponse = ((StructuredOutputAgentResponse)response.RawRepresentation!).OriginalResponse;
-   Console.WriteLine($"Original unstructured response: {originalResponse.Text}");
-
-   ```
-
-## Decision Outcome
-
-It was decided to keep both approaches for structured output - via `ResponseFormat` and via `RunAsync<T>` since they serve different scenarios and use cases.
-
-For the `RunAsync<T>` approach, option 4 was selected, which adds a generic `RunAsync<T>` method to `AIAgent` that works via the new `AgentRunOptions.ResponseFormat` property.
-This was chosen for its simplicity and because no changes are required to existing `AIAgent` decorators.
-
-For cross-cutting aspects, the `useJsonSchemaResponseFormat` parameter will not be carried forward due to reliability issues.
-
-For handling primitives and array types, option 3 was selected: wrap only for `RunAsync<T>` and do not wrap the schema provided via `ResponseFormat`.
-This avoids the issues described in the Approach 1 section note.
-
-Finally, it was decided not to include the `StructuredOutputAgent` decorator in the framework, since the reliability of producing structured output via an additional
-LLM call may not be sufficient for all scenarios. Instead, this pattern is provided as a sample to demonstrate how structured output can be achieved for agents without native support,
-giving users a reference implementation they can adapt to their own requirements.

docs/features/durable-agents/AGENTS.md

@@ -1,48 +0,0 @@
-# AGENTS.md
-
-Instructions for AI coding agents working on durable agents documentation.
-
-## Scope
-
-This directory contains feature documentation for the durable agents integration. The source code and samples live elsewhere:
-
-- .NET implementation: `dotnet/src/Microsoft.Agents.AI.DurableTask/` and `dotnet/src/Microsoft.Agents.AI.Hosting.AzureFunctions/`
-- Python implementation: `python/packages/durabletask/` and `python/packages/azurefunctions/` (package `agent-framework-azurefunctions`)
-- .NET samples: `dotnet/samples/Durable/Agents/`
-- Python samples: `python/samples/04-hosting/durabletask/`
-- Official docs (Microsoft Learn): <https://learn.microsoft.com/agent-framework/integrations/azure-functions>
-
-## Document structure
-
-| File | Purpose |
-| --- | --- |
-| `README.md` | Main technical overview: architecture, hosting models, orchestration patterns, and links to samples. |
-| `durable-agents-ttl.md` | Deep-dive on session Time-To-Live (TTL) configuration and behavior. |
-
-Add new sibling documents when a topic is too detailed for the README (e.g., a new feature like reliable streaming or MCP tool exposure). Keep the README focused on orientation and link out to siblings for depth.
-
-## Writing guidelines
-
-- **Audience**: Developers already familiar with the Microsoft Agent Framework who want to understand what durability adds and how to use it.
-- **Host-agnostic first**: Durable agents work in console apps, Azure Functions, and any Durable Task–compatible host. Show host-agnostic patterns (plain orchestration functions, `IServiceCollection` registration) before Azure Functions–specific patterns. Avoid giving the impression that Azure Functions is the only hosting option.
-- **Both languages**: Always include C# and Python examples side by side. Keep them equivalent in functionality.
-- **Callout syntax**: Use GitHub-flavored callouts (`> [!NOTE]`, `> [!IMPORTANT]`, `> [!WARNING]`) rather than bold-text callouts (`> **Note:** ...`).
-- **Line length**: Do not wrap long lines. Rely on text viewers / renderers for line wrapping.
-- **Tables**: Use spaces around pipes in separator rows (`| --- |` not `|---|`).
-- **Code snippets**: Keep them minimal and self-contained. Omit boilerplate (using statements, environment variable reads) unless the snippet is specifically about setup.
-- **Cross-references**: Link to Microsoft Learn for conceptual background (Durable Entities, Durable Task Scheduler, Azure Functions). Link to sibling docs within this directory for feature deep-dives.
-
-## Linting
-
-Run markdownlint on all documents before committing, with line-length checks disabled:
-
-```bash
-markdownlint docs/features/durable-agents/ --disable MD013
-```
-
-## When to update these docs
-
-- A new durable agent feature is added (e.g., a new orchestration pattern, hosting model, or configuration option).
-- The public API surface changes in a way that affects how developers use durable agents.
-- New sample directories are added — update the sample links in README.md.
-- The official Microsoft Learn documentation is restructured — update external links.

docs/features/durable-agents/README.md

@@ -1,239 +0,0 @@
-# Durable agents
-
-## Overview
-
-Durable agents extend the standard Microsoft Agent Framework with **durable state management** powered by the Durable Task framework. An ordinary Agent Framework agent runs in-process: its conversation history lives in memory and is lost when the process ends. A durable agent persists conversation history and execution state in external storage so that sessions survive process restarts, failures, and scale-out events.
-
-| Capability | Ordinary agent | Durable agent |
-| --- | --- | --- |
-| Conversation history | In-memory only | Durably persisted |
-| Failure recovery | State lost on crash | Automatically resumed |
-| Multi-instance scale-out | Not supported | Any worker can resume a session |
-| Multi-agent orchestrations | Manual coordination | Deterministic, checkpointed workflows |
-| Human-in-the-loop | Must keep process alive | Can wait days/weeks with zero compute |
-| Hosting | Any process | Console app, Azure Functions, or any Durable Task–compatible host |
-
-> [!NOTE]
-> For a step-by-step tutorial and deployment guidance, see [Azure Functions (Durable)](https://learn.microsoft.com/agent-framework/integrations/azure-functions) on Microsoft Learn.
-
-## How durable agents work
-
-Durable agents are implemented on top of [Durable Entities](https://learn.microsoft.com/azure/azure-functions/durable/durable-functions-entities) (also called "virtual actors"). Each **agent session** maps to one entity instance whose state contains the full conversation history. When you send a message to a durable agent, the following happens:
-
-1. The message is dispatched to the entity identified by an `AgentSessionId` (a composite of the agent name and a unique session key).
-2. The entity loads its persisted `DurableAgentState`, which includes the complete conversation history.
-3. The entity invokes the underlying `AIAgent` with the full conversation history, collects the response, and appends both the request and the response to the state.
-4. The updated state is persisted back to durable storage automatically.
-
-Because the entity framework serializes access to each entity instance, concurrent messages to the same session are processed one at a time, eliminating race conditions.
-
-### Agent session identity
-
-Every durable agent session is identified by an `AgentSessionId`, which has two components:
-
-- **Name** – the registered name of the agent (case-insensitive).
-- **Key** – a unique session key (case-sensitive), typically a GUID.
-
-The session ID is mapped to an underlying Durable Task entity ID with a `dafx-` prefix (e.g., `dafx-joker`). This naming convention is consistent across both .NET and Python implementations.
-
-## Architecture
-
-### .NET
-
-The .NET implementation consists of two NuGet packages:
-
-| Package | Purpose |
-| --- | --- |
-| `Microsoft.Agents.AI.DurableTask` | Core durable agent types: `DurableAIAgent`, `AgentEntity`, `DurableAgentSession`, `AgentSessionId`, `DurableAgentsOptions`, and the state model. |
-| `Microsoft.Agents.AI.Hosting.AzureFunctions` | Azure Functions hosting integration: auto-generated HTTP endpoints, MCP tool triggers, entity function triggers, and the `ConfigureDurableAgents` extension method on `FunctionsApplicationBuilder`. |
-
-Key types:
-
-- **`DurableAIAgent`** – A subclass of `AIAgent` used *inside orchestrations*. Obtained via `context.GetAgent("agentName")`, it routes `RunAsync` calls through the orchestration's entity APIs so that each call is checkpointed.
-- **`DurableAIAgentProxy`** – A subclass of `AIAgent` used *outside orchestrations* (e.g., from HTTP triggers or console apps). It signals the entity via `DurableTaskClient` and polls for the response.
-- **`AgentEntity`** – The `TaskEntity<DurableAgentState>` that hosts the real agent. It loads the registered `AIAgent` by name, wraps it in an `EntityAgentWrapper`, feeds it the full conversation history, and persists the result.
-- **`DurableAgentSession`** – An `AgentSession` subclass that carries the `AgentSessionId`.
-- **`DurableAgentsOptions`** – Builder for registering agents and configuring TTL.
-
-### Python
-
-The core Python implementation is in the `agent-framework-durabletask` package (`python/packages/durabletask`). Azure Functions hosting (including `AgentFunctionApp`) is in the separate `agent-framework-azurefunctions` package (`python/packages/azurefunctions`).
-
-Key types:
-
-- **`DurableAIAgent`** – A generic proxy (`DurableAIAgent[TaskT]`) implementing `SupportsAgentRun`. Returns a `TaskT` from `run()` — either an `AgentResponse` (client context) or a `DurableAgentTask` (orchestration context, must be `yield`ed).
-- **`DurableAIAgentWorker`** – Wraps a `TaskHubGrpcWorker` and registers agents as durable entities via `add_agent()`.
-- **`DurableAIAgentClient`** – Wraps a `TaskHubGrpcClient` for external callers. `get_agent()` returns a `DurableAIAgent[AgentResponse]`.
-- **`DurableAIAgentOrchestrationContext`** – Wraps an `OrchestrationContext` for use inside orchestrations. `get_agent()` returns a `DurableAIAgent[DurableAgentTask]`.
-- **`AgentEntity`** – Platform-agnostic agent execution logic that manages state, invokes the agent, handles streaming, and calls response callbacks.
-
-## Hosting models
-
-### Azure Functions
-
-The recommended production hosting model. A single call to `ConfigureDurableAgents` (C#) or `AgentFunctionApp` (Python) automatically:
-
-- Registers agent entities with the Durable Task worker.
-- Generates HTTP endpoints at `/api/agents/{agentName}/run` for each registered agent.
-- Supports `thread_id` query parameter / JSON field and the `x-ms-thread-id` response header for session continuity.
-- Supports fire-and-forget via the `x-ms-wait-for-response: false` header (returns HTTP 202).
-- Optionally exposes agents as MCP tools.
-
-**C# example:**
-
-```csharp
-using IHost app = FunctionsApplication
-    .CreateBuilder(args)
-    .ConfigureFunctionsWebApplication()
-    .ConfigureDurableAgents(options => options.AddAIAgent(agent))
-    .Build();
-app.Run();
-```
-
-**Python example:**
-
-```python
-app = AgentFunctionApp(agents=[agent])
-```
-
-### Console apps / generic hosts
-
-For self-hosted or non-serverless scenarios, register durable agents via `IServiceCollection.ConfigureDurableAgents` (.NET) or `DurableAIAgentWorker` (Python) with explicit Durable Task worker and client configuration.
-
-**C# example:**
-
-```csharp
-IHost host = Host.CreateDefaultBuilder(args)
-    .ConfigureServices(services =>
-    {
-        services.ConfigureDurableAgents(
-            options => options.AddAIAgent(agent),
-            workerBuilder: b => b.UseDurableTaskScheduler(connectionString),
-            clientBuilder: b => b.UseDurableTaskScheduler(connectionString));
-    })
-    .Build();
-```
-
-**Python example:**
-
-```python
-worker = DurableAIAgentWorker(TaskHubGrpcWorker(host_address="localhost:4001"))
-worker.add_agent(agent)
-worker.start()
-```
-
-## Deterministic multi-agent orchestrations
-
-Durable agents can be composed into deterministic, checkpointed workflows using Durable Task orchestrations. The orchestration framework replays orchestrator code on failure, so completed agent calls are not re-executed.
-
-### Patterns
-
-| Pattern | Description |
-| --- | --- |
-| **Sequential (chaining)** | Call agents one after another, passing outputs forward. |
-| **Parallel (fan-out/fan-in)** | Run multiple agents concurrently and aggregate results. |
-| **Conditional** | Branch orchestration logic based on structured agent output. |
-| **Human-in-the-loop** | Pause for external events (approvals, feedback) with optional timeouts. |
-
-### Using agents in orchestrations
-
-Inside an orchestration function, obtain a `DurableAIAgent` via the orchestration context. Each agent gets its own session (created with `CreateSessionAsync` / `create_session`), and you can call the same agent multiple times on the same session to maintain conversation context across sequential invocations.
-
-**C#:**
-
-```csharp
-static async Task<string> WritingOrchestration(TaskOrchestrationContext context)
-{
-    // Get a durable agent reference — works in any host (console app, Azure Functions, etc.)
-    DurableAIAgent writer = context.GetAgent("WriterAgent");
-
-    // Create a session to maintain conversation context across multiple calls
-    AgentSession session = await writer.CreateSessionAsync();
-
-    // First call: generate an initial draft
-    AgentResponse<TextResponse> draft = await writer.RunAsync<TextResponse>(
-        message: "Write a concise inspirational sentence about learning.",
-        session: session);
-
-    // Second call: refine the draft — the agent sees the full conversation history
-    AgentResponse<TextResponse> refined = await writer.RunAsync<TextResponse>(
-        message: $"Improve this further while keeping it under 25 words: {draft.Result.Text}",
-        session: session);
-
-    return refined.Result.Text;
-}
-```
-
-**Python:**
-
-```python
-def writing_orchestration(context, _):
-    agent_ctx = DurableAIAgentOrchestrationContext(context)
-
-    # Get a durable agent reference — works in any host (standalone worker, Azure Functions, etc.)
-    writer = agent_ctx.get_agent("WriterAgent")
-
-    # Create a session to maintain conversation context across multiple calls
-    session = writer.create_session()
-
-    # First call: generate an initial draft
-    draft = yield writer.run(
-        messages="Write a concise inspirational sentence about learning.",
-        session=session,
-    )
-
-    # Second call: refine the draft — the agent sees the full conversation history
-    refined = yield writer.run(
-        messages=f"Improve this further while keeping it under 25 words: {draft.text}",
-        session=session,
-    )
-
-    return refined.text
-```
-
-> [!IMPORTANT]
-> In .NET, `DurableAIAgent.RunAsync<T>` deliberately avoids `ConfigureAwait(false)` because the Durable Task Framework uses a custom synchronization context — all continuations must run on the orchestration thread.
-
-## Streaming and response callbacks
-
-Durable agents do not support true end-to-end streaming because entity operations are request/response. However, **reliable streaming** is supported via response callbacks:
-
-- **`IAgentResponseHandler`** (.NET) or **`AgentResponseCallbackProtocol`** (Python) – Implement this interface to receive streaming updates as the underlying agent generates them (e.g., push tokens to a Redis Stream for client consumption).
-- The entity still returns the complete `AgentResponse` after the stream is fully consumed.
-- Clients can reconnect and resume reading from a cursor-based stream (e.g., Redis Streams) without losing messages.
-
-See the **Reliable Streaming** samples for a complete implementation using Redis Streams.
-
-## Session TTL (Time-To-Live)
-
-Durable agent sessions support automatic cleanup via configurable TTL. See [Session TTL](durable-agents-ttl.md) for details on configuration, behavior, and best practices.
-
-## Observability
-
-When using the [Durable Task Scheduler](https://learn.microsoft.com/azure/azure-functions/durable/durable-task-scheduler/durable-task-scheduler) as the durable backend, you get built-in observability through its dashboard:
-
-- **Conversation history** – View complete chat history for each agent session.
-- **Orchestration visualization** – See multi-agent execution flows, including parallel branches and conditional logic.
-- **Performance metrics** – Monitor agent response times, token usage, and orchestration duration.
-- **Debugging** – Trace tool invocations and external event handling.
-
-## Samples
-
-- **.NET** – [Console app samples](../../../dotnet/samples/Durable/Agents/ConsoleApps/) and [Azure Functions samples](../../../dotnet/samples/Durable/Agents/AzureFunctions/) covering single-agent, chaining, concurrency, conditionals, human-in-the-loop, long-running tools, MCP tool exposure, and reliable streaming.
-- **Python** – [Durable Task samples](../../../python/samples/04-hosting/durabletask/) covering single-agent, multi-agent, streaming, chaining, concurrency, conditionals, and human-in-the-loop.
-
-## Packages
-
-| Language | Package | Source |
-| --- | --- | --- |
-| .NET | `Microsoft.Agents.AI.DurableTask` | [`dotnet/src/Microsoft.Agents.AI.DurableTask`](../../../dotnet/src/Microsoft.Agents.AI.DurableTask) |
-| .NET | `Microsoft.Agents.AI.Hosting.AzureFunctions` | [`dotnet/src/Microsoft.Agents.AI.Hosting.AzureFunctions`](../../../dotnet/src/Microsoft.Agents.AI.Hosting.AzureFunctions) |
-| Python | `agent-framework-durabletask` | [`python/packages/durabletask`](../../../python/packages/durabletask) |
-| Python | `agent-framework-azurefunctions` | [`python/packages/azurefunctions`](../../../python/packages/azurefunctions) |
-
-## Further reading
-
-- [Azure Functions (Durable) — Microsoft Learn](https://learn.microsoft.com/agent-framework/integrations/azure-functions)
-- [Durable Task Scheduler](https://learn.microsoft.com/azure/azure-functions/durable/durable-task-scheduler/durable-task-scheduler)
-- [Durable Entities](https://learn.microsoft.com/azure/azure-functions/durable/durable-functions-entities)
-- [Session TTL](durable-agents-ttl.md)

dotnet/.github/skills/build-and-test/SKILL.md

@@ -1,85 +0,0 @@
----
-name: build-and-test
-description: How to build and test .NET projects in the Agent Framework repository. Use this when verifying or testing changes.
----
-
-- Only **UnitTest** projects need to be run locally; IntegrationTests require external dependencies.
-- See `../project-structure/SKILL.md` for project structure details.
-
-## Build, Test, and Lint Commands
-
-```bash
-# From dotnet/ directory
-dotnet restore --tl:off   # Restore dependencies for all projects
-dotnet build --tl:off     # Build all projects
-dotnet test               # Run all tests
-dotnet format             # Auto-fix formatting for all projects
-
-# Build/test/format a specific project (preferred for isolated/internal changes)
-dotnet build src/Microsoft.Agents.AI.<Package> --tl:off
-dotnet test tests/Microsoft.Agents.AI.<Package>.UnitTests
-dotnet format src/Microsoft.Agents.AI.<Package>
-
-# Run a single test
-dotnet test --filter "FullyQualifiedName~Namespace.TestClassName.TestMethodName"
-
-# Run unit tests only
-dotnet test --filter FullyQualifiedName\~UnitTests
-```
-
-Use `--tl:off` when building to avoid flickering when running commands in the agent.
-
-## Speeding Up Builds and Testing
-
-The full solution is large. Use these shortcuts:
-
-| Change type | What to do |
-|-------------|------------|
-| Isolated/Internal logic | Build only the affected project and its `*.UnitTests` project. Fix issues, then build the full solution and run all unit tests. |
-| Public API surface | Build the full solution and run all unit tests immediately. |
-
-Example: Building a single code project for all target frameworks
-
-```bash
-# From dotnet/ directory
-dotnet build ./src/Microsoft.Agents.AI.Abstractions
-```
-
-Example: Building a single code project for just .NET 10.
-
-```bash
-# From dotnet/ directory
-dotnet build ./src/Microsoft.Agents.AI.Abstractions -f net10.0
-```
-
-Example: Running tests for a single project using .NET 10.
-
-```bash
-# From dotnet/ directory
-dotnet test ./tests/Microsoft.Agents.AI.Abstractions.UnitTests -f net10.0
-```
-
-Example: Running a single test in a specific project using .NET 10.
-Provide the full namespace, class name, and method name for the test you want to run:
-
-```bash
-# From dotnet/ directory
-dotnet test ./tests/Microsoft.Agents.AI.Abstractions.UnitTests -f net10.0 --filter "FullyQualifiedName~Microsoft.Agents.AI.Abstractions.UnitTests.AgentRunOptionsTests.CloningConstructorCopiesProperties"
-```
-
-### Multi-target framework tip
-
-Most projects target multiple .NET frameworks. If the affected code does **not** use `#if` directives for framework-specific logic, pass `-f net10.0` to speed up building and testing.
-
-### Package Restore tip
-
-`dotnet build` will try and restore packages for all projects on each build, which can be slow.
-Unless packages have been changed, or it's the first time building the solution, add `--no-restore` to the build command to skip this step and speed up builds.
-
-Just remember to run `dotnet restore` after pulling changes, making changes to project references, or when building for the first time.
-
-### Testing on Linux tip
-
-Unit tests target both .NET Framework as well as .NET Core. When running on Linux, only the .NET Core tests can be run, as .NET Framework is not supported on Linux.
-
-To run only the .NET Core tests, use the `-f net10.0` option with `dotnet test`.

dotnet/.github/skills/project-structure/SKILL.md

@@ -1,31 +0,0 @@
----
-name: project-structure
-description: Explains the project structure of the agent-framework .NET solution
----
-
-# Agent Framework .NET Project Structure
-
-```
-dotnet/
-├── src/
-│   ├── Microsoft.Agents.AI/                      # Core AI agent implementations
-│   ├── Microsoft.Agents.AI.Abstractions/         # Core AI agent abstractions
-│   ├── Microsoft.Agents.AI.A2A/                  # Agent-to-Agent (A2A) provider
-│   ├── Microsoft.Agents.AI.OpenAI/               # OpenAI provider
-│   ├── Microsoft.Agents.AI.AzureAI/              # Azure AI Foundry Agents (v2) provider
-│   ├── Microsoft.Agents.AI.AzureAI.Persistent/   # Legacy Azure AI Foundry Agents (v1) provider
-│   ├── Microsoft.Agents.AI.Anthropic/            # Anthropic provider
-│   ├── Microsoft.Agents.AI.Workflows/            # Workflow orchestration
-│   └── ...                                       # Other packages
-├── samples/                                      # Sample applications
-└── tests/                                        # Unit and integration tests
-```
-
-## Main Folders
-
-| Folder | Contents |
-|--------|----------|
-| `src/` | Source code projects |
-| `tests/` | Test projects — named `<Source-Code-Project>.UnitTests` or `<Source-Code-Project>.IntegrationTests` |
-| `samples/` | Sample projects |
-| `src/Shared`, `src/LegacySupport` | Shared code files included by multiple source code projects (see README.md files in these folders or their subdirectories for instructions on how to include them in a project) |

dotnet/.github/skills/verify-dotnet-samples/SKILL.md

@@ -1,82 +0,0 @@
----
-name: verify-dotnet-samples
-description: How to build, run and verify the .NET sample projects in the Agent Framework repository. Use this when a user wants to verify that the samples still function as expected.
----
-
-# Verifying .NET Sample Projects
-
-## Sample Pre-requisites
-
-We should only support verifying samples that:
-1. Use environment variables for configuration.
-2. Have no complex setup requirements, e.g., where multiple applications need to be run together, or where we need to launch a browser, etc.
-
-Always report to the user which samples were run and which were not, and why.
-
-## Verifying a sample
-
-Samples should be verified to ensure that they actually work as intended and that their output matches what is expected.
-For each sample that is run, output should be produced that shows the result and explains the reasoning about what output
-was expected, what was produced, and why it didn't match what the sample was expected to produce.
-
-Steps to verify a sample:
-1. Read the code for the sample
-1. Check what environment variables are required for the sample
-1. Check if each environment variable has been set
-1. If there are any missing, give the user a list of missing environment variables to set and terminate
-1. Summarize what the expected output of the sample should be
-1. Run the sample
-1. Show the user any output from the sample run as it gets produced, so that they can see the run progress
-1. Check the output of the run against expectations
-1. After running all requested samples, produce output for each sample that was verified:
-  1. If expectations were matched, output the following:
-     ```text
-     [Sample Name] Succeeded
-     ```
-  1. If expectations were not matched, output the following:
-     ```text
-     [Sample Name] Failed
-     Actual Output:
-     [What the sample produced]
-     Expected Output:
-     [Explanation of what was expected and why the actual output didn't match expectations]
-     ```
-
-## Environment Variables
-
-Most samples use environment variables to configure settings.
-
-```csharp
-var endpoint = Environment.GetEnvironmentVariable("AZURE_OPENAI_ENDPOINT") ?? throw new InvalidOperationException("AZURE_OPENAI_ENDPOINT is not set.");
-var deploymentName = Environment.GetEnvironmentVariable("AZURE_OPENAI_DEPLOYMENT_NAME") ?? "gpt-4o-mini";
-```
-
-To run a sample, the environment variables should be set first.
-Before running a sample, check whether each environment variable in the sample has a value and
-then give the user a list of environment variables to set.
-
-You can provide the user some examples of how to set the variables like this:
-
-```bash
-export AZURE_OPENAI_ENDPOINT="https://my-openai-instance.openai.azure.com/"
-export AZURE_OPENAI_DEPLOYMENT_NAME="gpt-4o-mini"
-```
-
-To check if a variable has a value use e.g.:
-
-```bash
-echo $AZURE_OPENAI_ENDPOINT
-```
-
-## How to Run a Sample (General Pattern)
-
-```bash
-cd dotnet/samples/<category>/<sample-dir>
-dotnet run
-```
-
-For multi-targeted projects (e.g., Durable console apps), specify the framework:
-
-```bash
-dotnet run --framework net10.0
-```

dotnet/.vscode/settings.json

@@ -1,6 +1,5 @@
 {
     "dotnet.defaultSolution": "agent-framework-dotnet.slnx",
     "git.openRepositoryInParentFolders": "always",
-    "chat.agent.enabled": true,
-    "dotnet.automaticallySyncWithActiveItem": true
+    "chat.agent.enabled": true
 }

dotnet/AGENTS.md

@@ -1,65 +0,0 @@
-# AGENTS.md
-
-Instructions for AI coding agents working in the .NET codebase.
-
-## Build, Test, and Lint Commands
-
-See `./.github/skills/build-and-test/SKILL.md` for detailed instructions on building, testing, and linting projects.
-
-## Project Structure
-
-See `./.github/skills/project-structure/SKILL.md` for an overview of the project structure.
-
-### Core types
-
-- `AIAgent`: The abstract base class that all agents derive from, providing common methods for interacting with an agent.
-- `AgentSession`: The abstract base class that all agent sessions derive from, representing a conversation with an agent.
-- `ChatClientAgent`: An `AIAgent` implementation that uses an `IChatClient` to send messages to an AI provider and receive responses.
-- `IChatClient`: Interface for sending messages to an AI provider and receiving responses. Used by `ChatClientAgent` and implemented by provider-specific packages.
-- `FunctionInvokingChatClient`: Decorator for `IChatClient` that adds function invocation capabilities.
-- `AITool`: Represents a tool that an agent/AI provider can use, with metadata and an execution delegate.
-- `AIFunction`: A specific type of `AITool` that represents a local function the agent/AI provider can call, with parameters and return types defined.
-- `ChatMessage`: Represents a message in a conversation.
-- `AIContent`: Represents content in a message, which can be text, a function call, tool output and more.
-
-### External Dependencies
-
-The framework integrates with `Microsoft.Extensions.AI` and `Microsoft.Extensions.AI.Abstractions` (external NuGet packages)
-using types like `IChatClient`, `FunctionInvokingChatClient`, `AITool`, `AIFunction`, `ChatMessage`, and `AIContent`.
-
-## Key Conventions
-
-- **Copyright header**: `// Copyright (c) Microsoft. All rights reserved.` at top of all `.cs` files
-- **XML docs**: Required for all public methods and classes
-- **Async**: Use `Async` suffix for methods returning `Task`/`ValueTask`
-- **Private classes**: Should be `sealed` unless subclassed
-- **Config**: Read from environment variables with `UPPER_SNAKE_CASE` naming
-- **Tests**: Add Arrange/Act/Assert comments; use Moq for mocking
-
-## Key Design Principles
-
-When developing or reviewing code, verify adherence to these key design principles:
-
-- **DRY**: Avoid code duplication by moving common logic into helper methods or helper classes.
-- **Single Responsibility**: Each class should have one clear responsibility.
-- **Encapsulation**: Keep implementation details private and expose only necessary public APIs.
-- **Strong Typing**: Use strong typing to ensure that code is self-documenting and to catch errors at compile time.
-
-## Sample Structure
-
-Samples (in `./samples/` folder) should follow this structure:
-
-1. Copyright header: `// Copyright (c) Microsoft. All rights reserved.`
-2. Description comment explaining what the sample demonstrates
-3. Using statements
-4. Main code logic
-5. Helper methods at bottom
-
-Configuration via environment variables (never hardcode secrets). Keep samples simple and focused.
-
-When adding a new sample:
-
-- Create a standalone project in `samples/` with matching directory and project names
-- Include a README.md explaining what the sample does and how to run it
-- Add the project to the solution file
-- Reference the sample in the parent directory's README.md

dotnet/Directory.Packages.props

@@ -33,18 +33,18 @@
     <!-- Newtonsoft.Json -->
     <PackageVersion Include="Newtonsoft.Json" Version="13.0.4" />
     <!-- System.* -->
-    <PackageVersion Include="Microsoft.Bcl.AsyncInterfaces" Version="10.0.3" />
+    <PackageVersion Include="Microsoft.Bcl.AsyncInterfaces" Version="10.0.2" />
     <PackageVersion Include="Microsoft.Bcl.HashCode" Version="6.0.0" />
     <PackageVersion Include="System.ClientModel" Version="1.8.1" />
     <PackageVersion Include="System.CodeDom" Version="10.0.0" />
     <PackageVersion Include="System.Collections.Immutable" Version="10.0.1" />
     <PackageVersion Include="System.CommandLine" Version="2.0.0-rc.2.25502.107" />
-    <PackageVersion Include="System.Diagnostics.DiagnosticSource" Version="10.0.3" />
+    <PackageVersion Include="System.Diagnostics.DiagnosticSource" Version="10.0.2" />
     <PackageVersion Include="System.Linq.AsyncEnumerable" Version="10.0.0" />
     <PackageVersion Include="System.Net.Http.Json" Version="10.0.0" />
-    <PackageVersion Include="System.Net.ServerSentEvents" Version="10.0.3" />
-    <PackageVersion Include="System.Text.Json" Version="10.0.3" />
-    <PackageVersion Include="System.Threading.Channels" Version="10.0.3" />
+    <PackageVersion Include="System.Net.ServerSentEvents" Version="10.0.1" />
+    <PackageVersion Include="System.Text.Json" Version="10.0.2" />
+    <PackageVersion Include="System.Threading.Channels" Version="10.0.2" />
     <PackageVersion Include="System.Threading.Tasks.Extensions" Version="4.6.3" />
     <PackageVersion Include="System.Net.Security" Version="4.3.2" />
     <!-- OpenTelemetry -->
@@ -61,12 +61,9 @@
     <PackageVersion Include="Microsoft.AspNetCore.OpenApi" Version="10.0.0" />
     <PackageVersion Include="Swashbuckle.AspNetCore.SwaggerUI" Version="10.0.0" />
     <!-- Microsoft.Extensions.* -->
-    <PackageVersion Include="Microsoft.Extensions.AI" Version="10.3.0" />
-    <PackageVersion Include="Microsoft.Extensions.AI.Abstractions" Version="10.3.0" />
-    <PackageVersion Include="Microsoft.Extensions.AI.Evaluation" Version="10.3.0" />
-    <PackageVersion Include="Microsoft.Extensions.AI.Evaluation.Quality" Version="10.3.0" />
-    <PackageVersion Include="Microsoft.Extensions.AI.Evaluation.Safety" Version="10.3.0-preview.1.26109.11" />
-    <PackageVersion Include="Microsoft.Extensions.AI.OpenAI" Version="10.3.0" />
+    <PackageVersion Include="Microsoft.Extensions.AI" Version="10.2.0" />
+    <PackageVersion Include="Microsoft.Extensions.AI.Abstractions" Version="10.2.0" />
+    <PackageVersion Include="Microsoft.Extensions.AI.OpenAI" Version="10.2.0-preview.1.26063.2" />
     <PackageVersion Include="Microsoft.Extensions.Caching.Memory" Version="10.0.0" />
     <PackageVersion Include="Microsoft.Extensions.Configuration" Version="10.0.0" />
     <PackageVersion Include="Microsoft.Extensions.Configuration.Binder" Version="10.0.0" />
@@ -74,11 +71,11 @@
     <PackageVersion Include="Microsoft.Extensions.Configuration.Json" Version="10.0.0" />
     <PackageVersion Include="Microsoft.Extensions.Configuration.UserSecrets" Version="10.0.0" />
     <PackageVersion Include="Microsoft.Extensions.DependencyInjection" Version="10.0.0" />
-    <PackageVersion Include="Microsoft.Extensions.DependencyInjection.Abstractions" Version="10.0.3" />
+    <PackageVersion Include="Microsoft.Extensions.DependencyInjection.Abstractions" Version="10.0.2" />
     <PackageVersion Include="Microsoft.Extensions.Hosting" Version="10.0.0" />
     <PackageVersion Include="Microsoft.Extensions.Http.Resilience" Version="10.0.0" />
     <PackageVersion Include="Microsoft.Extensions.Logging" Version="10.0.0" />
-    <PackageVersion Include="Microsoft.Extensions.Logging.Abstractions" Version="10.0.3" />
+    <PackageVersion Include="Microsoft.Extensions.Logging.Abstractions" Version="10.0.2" />
     <PackageVersion Include="Microsoft.Extensions.Logging.Console" Version="10.0.0" />
     <PackageVersion Include="Microsoft.Extensions.ServiceDiscovery" Version="10.0.0" />
     <PackageVersion Include="Microsoft.Extensions.VectorData.Abstractions" Version="9.7.0" />
@@ -92,7 +89,7 @@
     <PackageVersion Include="Microsoft.SemanticKernel.Agents.AzureAI" Version="1.67.0-preview" />
     <PackageVersion Include="Microsoft.SemanticKernel.Plugins.OpenApi" Version="1.67.0" />
     <!-- Agent SDKs -->
-    <PackageVersion Include="GitHub.Copilot.SDK" Version="0.1.23" />
+    <PackageVersion Include="GitHub.Copilot.SDK" Version="0.1.18" />
     <PackageVersion Include="Microsoft.Agents.CopilotStudio.Client" Version="1.3.171-beta" />
     <!-- M365 Agents SDK -->
     <PackageVersion Include="AdaptiveCards" Version="3.1.0" />
@@ -102,7 +99,7 @@
     <PackageVersion Include="A2A" Version="0.3.3-preview" />
     <PackageVersion Include="A2A.AspNetCore" Version="0.3.3-preview" />
     <!-- MCP -->
-    <PackageVersion Include="ModelContextProtocol" Version="0.8.0-preview.1" />
+    <PackageVersion Include="ModelContextProtocol" Version="0.4.0-preview.3" />
     <!-- Inference SDKs -->
     <PackageVersion Include="AWSSDK.Extensions.Bedrock.MEAI" Version="4.0.5.1" />
     <PackageVersion Include="Microsoft.ML.OnnxRuntimeGenAI" Version="0.10.0" />
@@ -111,10 +108,10 @@
     <!-- Identity -->
     <PackageVersion Include="Microsoft.Identity.Client.Extensions.Msal" Version="4.78.0" />
     <!-- Workflows -->
-    <PackageVersion Include="Microsoft.Agents.ObjectModel" Version="2026.2.3.1" />
-    <PackageVersion Include="Microsoft.Agents.ObjectModel.Json" Version="2026.2.3.1" />
-    <PackageVersion Include="Microsoft.Agents.ObjectModel.PowerFx" Version="2026.2.3.1" />
-    <PackageVersion Include="Microsoft.PowerFx.Interpreter" Version="1.8.1" />
+    <PackageVersion Include="Microsoft.Agents.ObjectModel" Version="2026.1.2.3" />
+    <PackageVersion Include="Microsoft.Agents.ObjectModel.Json" Version="2026.1.2.3" />
+    <PackageVersion Include="Microsoft.Agents.ObjectModel.PowerFx" Version="2026.1.2.3" />
+    <PackageVersion Include="Microsoft.PowerFx.Interpreter" Version="1.5.0-build.20251008-1002" />
     <!-- Durable Task -->
     <PackageVersion Include="Microsoft.DurableTask.Client" Version="1.18.0" />
     <PackageVersion Include="Microsoft.DurableTask.Client.AzureManaged" Version="1.18.0" />

dotnet/README.md

@@ -11,16 +11,16 @@
 ### Basic Agent - .NET
 
 ```c#
+using System;
 using Azure.AI.OpenAI;
 using Azure.Identity;
 using Microsoft.Agents.AI;
-using OpenAI.Responses;
 
 var endpoint = Environment.GetEnvironmentVariable("AZURE_OPENAI_ENDPOINT")!;
 var deploymentName = Environment.GetEnvironmentVariable("AZURE_OPENAI_DEPLOYMENT_NAME")!;
 
 var agent = new AzureOpenAIClient(new Uri(endpoint), new AzureCliCredential())
-    .GetResponsesClient(deploymentName)
+    .GetOpenAIResponseClient(deploymentName)
     .AsAIAgent(name: "HaikuBot", instructions: "You are an upbeat assistant that writes beautifully.");
 
 Console.WriteLine(await agent.RunAsync("Write a haiku about Microsoft Agent Framework."));

dotnet/agent-framework-dotnet.slnx

@@ -81,7 +81,7 @@
     <Project Path="samples/GettingStarted/Agents/Agent_Step04_UsingFunctionToolsWithApprovals/Agent_Step04_UsingFunctionToolsWithApprovals.csproj" />
     <Project Path="samples/GettingStarted/Agents/Agent_Step05_StructuredOutput/Agent_Step05_StructuredOutput.csproj" />
     <Project Path="samples/GettingStarted/Agents/Agent_Step06_PersistedConversations/Agent_Step06_PersistedConversations.csproj" />
-    <Project Path="samples/GettingStarted/Agents/Agent_Step07_3rdPartyChatHistoryStorage/Agent_Step07_3rdPartyChatHistoryStorage.csproj" />
+    <Project Path="samples/GettingStarted/Agents/Agent_Step07_3rdPartyThreadStorage/Agent_Step07_3rdPartyThreadStorage.csproj" />
     <Project Path="samples/GettingStarted/Agents/Agent_Step08_Observability/Agent_Step08_Observability.csproj" />
     <Project Path="samples/GettingStarted/Agents/Agent_Step09_DependencyInjection/Agent_Step09_DependencyInjection.csproj" />
     <Project Path="samples/GettingStarted/Agents/Agent_Step10_AsMcpTool/Agent_Step10_AsMcpTool.csproj" />
@@ -131,7 +131,6 @@
     <Project Path="samples/GettingStarted/AgentWithAnthropic/Agent_Anthropic_Step01_Running/Agent_Anthropic_Step01_Running.csproj" />
     <Project Path="samples/GettingStarted/AgentWithAnthropic/Agent_Anthropic_Step02_Reasoning/Agent_Anthropic_Step02_Reasoning.csproj" />
     <Project Path="samples/GettingStarted/AgentWithAnthropic/Agent_Anthropic_Step03_UsingFunctionTools/Agent_Anthropic_Step03_UsingFunctionTools.csproj" />
-    <Project Path="samples/GettingStarted/AgentWithAnthropic/Agent_Anthropic_Step04_UsingSkills/Agent_Anthropic_Step04_UsingSkills.csproj" />
   </Folder>
   <Folder Name="/Samples/GettingStarted/AgentWithMemory/">
     <File Path="samples/GettingStarted/AgentWithMemory/README.md" />
@@ -176,10 +175,6 @@
     <Project Path="samples/GettingStarted/FoundryAgents/FoundryAgents_Step13_Plugins/FoundryAgents_Step13_Plugins.csproj" />
     <Project Path="samples/GettingStarted/FoundryAgents/FoundryAgents_Step14_CodeInterpreter/FoundryAgents_Step14_CodeInterpreter.csproj" />
     <Project Path="samples/GettingStarted/FoundryAgents/FoundryAgents_Step15_ComputerUse/FoundryAgents_Step15_ComputerUse.csproj" />
-    <Project Path="samples/GettingStarted/FoundryAgents/FoundryAgents_Step19_OpenAPITools/FoundryAgents_Step19_OpenAPITools.csproj" />
-    <Project Path="samples/GettingStarted/FoundryAgents/FoundryAgents_Step18_FileSearch/FoundryAgents_Step18_FileSearch.csproj" />
-    <Project Path="samples/GettingStarted/FoundryAgents/FoundryAgents_Evaluations_Step01_RedTeaming/FoundryAgents_Evaluations_Step01_RedTeaming.csproj" />
-    <Project Path="samples/GettingStarted/FoundryAgents/FoundryAgents_Evaluations_Step02_SelfReflection/FoundryAgents_Evaluations_Step02_SelfReflection.csproj" />
   </Folder>
   <Folder Name="/Samples/GettingStarted/ModelContextProtocol/">
     <File Path="samples/GettingStarted/ModelContextProtocol/README.md" />
@@ -217,7 +212,6 @@
     <Project Path="samples/GettingStarted/Workflows/Declarative/Marketing/Marketing.csproj" />
     <Project Path="samples/GettingStarted/Workflows/Declarative/StudentTeacher/StudentTeacher.csproj" />
     <Project Path="samples/GettingStarted/Workflows/Declarative/ToolApproval/ToolApproval.csproj" />
-    <Project Path="samples/GettingStarted/Workflows/Declarative/InvokeFunctionTool/InvokeFunctionTool.csproj" />
   </Folder>
   <Folder Name="/Samples/GettingStarted/Workflows/Declarative/Examples/">
     <File Path="../workflow-samples/CustomerSupport.yaml" />
@@ -376,10 +370,6 @@
     <File Path="src/Shared/Demos/README.md" />
     <File Path="src/Shared/Demos/SampleEnvironment.cs" />
   </Folder>
-  <Folder Name="/Solution Items/src/Shared/DiagnosticIds/">
-    <File Path="src/Shared/DiagnosticIds/DiagnosticsIds.cs" />
-    <File Path="src/Shared/DiagnosticIds/README.md" />
-  </Folder>
   <Folder Name="/Solution Items/src/Shared/IntegrationTests/">
     <File Path="src/Shared/IntegrationTests/AnthropicConfiguration.cs" />
     <File Path="src/Shared/IntegrationTests/AzureAIConfiguration.cs" />
@@ -398,9 +388,6 @@
     <File Path="src/Shared/Throw/README.md" />
     <File Path="src/Shared/Throw/Throw.cs" />
   </Folder>
-  <Folder Name="/Solution Items/src/Shared/StructuredOutput/">
-    <File Path="src/Shared/StructuredOutput/StructuredOutputSchemaUtilities.cs" />
-  </Folder>
   <Folder Name="/Solution Items/tests/">
     <File Path="tests/.editorconfig" />
     <File Path="tests/Directory.Build.props" />
@@ -410,6 +397,7 @@
     <Project Path="src/Microsoft.Agents.AI.Abstractions/Microsoft.Agents.AI.Abstractions.csproj" />
     <Project Path="src/Microsoft.Agents.AI.AGUI/Microsoft.Agents.AI.AGUI.csproj" />
     <Project Path="src/Microsoft.Agents.AI.Anthropic/Microsoft.Agents.AI.Anthropic.csproj" />
+    <Project Path="src/Microsoft.Agents.AI.GitHub.Copilot/Microsoft.Agents.AI.GitHub.Copilot.csproj" />
     <Project Path="src/Microsoft.Agents.AI.AzureAI.Persistent/Microsoft.Agents.AI.AzureAI.Persistent.csproj" />
     <Project Path="src/Microsoft.Agents.AI.AzureAI/Microsoft.Agents.AI.AzureAI.csproj" />
     <Project Path="src/Microsoft.Agents.AI.CopilotStudio/Microsoft.Agents.AI.CopilotStudio.csproj" />
@@ -417,7 +405,6 @@
     <Project Path="src/Microsoft.Agents.AI.Declarative/Microsoft.Agents.AI.Declarative.csproj" />
     <Project Path="src/Microsoft.Agents.AI.DevUI/Microsoft.Agents.AI.DevUI.csproj" />
     <Project Path="src/Microsoft.Agents.AI.DurableTask/Microsoft.Agents.AI.DurableTask.csproj" />
-    <Project Path="src/Microsoft.Agents.AI.GitHub.Copilot/Microsoft.Agents.AI.GitHub.Copilot.csproj" />
     <Project Path="src/Microsoft.Agents.AI.Hosting.A2A.AspNetCore/Microsoft.Agents.AI.Hosting.A2A.AspNetCore.csproj" />
     <Project Path="src/Microsoft.Agents.AI.Hosting.A2A/Microsoft.Agents.AI.Hosting.A2A.csproj" />
     <Project Path="src/Microsoft.Agents.AI.Hosting.AGUI.AspNetCore/Microsoft.Agents.AI.Hosting.AGUI.AspNetCore.csproj" />
@@ -429,8 +416,8 @@
     <Project Path="src/Microsoft.Agents.AI.Purview/Microsoft.Agents.AI.Purview.csproj" />
     <Project Path="src/Microsoft.Agents.AI.Workflows.Declarative.AzureAI/Microsoft.Agents.AI.Workflows.Declarative.AzureAI.csproj" />
     <Project Path="src/Microsoft.Agents.AI.Workflows.Declarative/Microsoft.Agents.AI.Workflows.Declarative.csproj" />
-    <Project Path="src/Microsoft.Agents.AI.Workflows.Generators/Microsoft.Agents.AI.Workflows.Generators.csproj" />
     <Project Path="src/Microsoft.Agents.AI.Workflows/Microsoft.Agents.AI.Workflows.csproj" />
+    <Project Path="src/Microsoft.Agents.AI.Workflows.Generators/Microsoft.Agents.AI.Workflows.Generators.csproj" />
     <Project Path="src/Microsoft.Agents.AI/Microsoft.Agents.AI.csproj" />
   </Folder>
   <Folder Name="/Tests/" />
@@ -440,8 +427,8 @@
     <Project Path="tests/AzureAI.IntegrationTests/AzureAI.IntegrationTests.csproj" />
     <Project Path="tests/AzureAIAgentsPersistent.IntegrationTests/AzureAIAgentsPersistent.IntegrationTests.csproj" />
     <Project Path="tests/CopilotStudio.IntegrationTests/CopilotStudio.IntegrationTests.csproj" />
-    <Project Path="tests/Microsoft.Agents.AI.DurableTask.IntegrationTests/Microsoft.Agents.AI.DurableTask.IntegrationTests.csproj" />
     <Project Path="tests/Microsoft.Agents.AI.GitHub.Copilot.IntegrationTests/Microsoft.Agents.AI.GitHub.Copilot.IntegrationTests.csproj" />
+    <Project Path="tests/Microsoft.Agents.AI.DurableTask.IntegrationTests/Microsoft.Agents.AI.DurableTask.IntegrationTests.csproj" />
     <Project Path="tests/Microsoft.Agents.AI.Hosting.AGUI.AspNetCore.IntegrationTests/Microsoft.Agents.AI.Hosting.AGUI.AspNetCore.IntegrationTests.csproj" />
     <Project Path="tests/Microsoft.Agents.AI.Hosting.AzureFunctions.IntegrationTests/Microsoft.Agents.AI.Hosting.AzureFunctions.IntegrationTests.csproj" />
     <Project Path="tests/Microsoft.Agents.AI.Mem0.IntegrationTests/Microsoft.Agents.AI.Mem0.IntegrationTests.csproj" />
@@ -455,13 +442,13 @@
     <Project Path="tests/Microsoft.Agents.AI.Abstractions.UnitTests/Microsoft.Agents.AI.Abstractions.UnitTests.csproj" />
     <Project Path="tests/Microsoft.Agents.AI.AGUI.UnitTests/Microsoft.Agents.AI.AGUI.UnitTests.csproj" />
     <Project Path="tests/Microsoft.Agents.AI.Anthropic.UnitTests/Microsoft.Agents.AI.Anthropic.UnitTests.csproj" />
+    <Project Path="tests/Microsoft.Agents.AI.GitHub.Copilot.UnitTests/Microsoft.Agents.AI.GitHub.Copilot.UnitTests.csproj" />
     <Project Path="tests/Microsoft.Agents.AI.AzureAI.Persistent.UnitTests/Microsoft.Agents.AI.AzureAI.Persistent.UnitTests.csproj" />
     <Project Path="tests/Microsoft.Agents.AI.AzureAI.UnitTests/Microsoft.Agents.AI.AzureAI.UnitTests.csproj" />
     <Project Path="tests/Microsoft.Agents.AI.CosmosNoSql.UnitTests/Microsoft.Agents.AI.CosmosNoSql.UnitTests.csproj" />
     <Project Path="tests/Microsoft.Agents.AI.Declarative.UnitTests/Microsoft.Agents.AI.Declarative.UnitTests.csproj" />
     <Project Path="tests/Microsoft.Agents.AI.DevUI.UnitTests/Microsoft.Agents.AI.DevUI.UnitTests.csproj" />
     <Project Path="tests/Microsoft.Agents.AI.DurableTask.UnitTests/Microsoft.Agents.AI.DurableTask.UnitTests.csproj" />
-    <Project Path="tests/Microsoft.Agents.AI.GitHub.Copilot.UnitTests/Microsoft.Agents.AI.GitHub.Copilot.UnitTests.csproj" />
     <Project Path="tests/Microsoft.Agents.AI.Hosting.A2A.UnitTests/Microsoft.Agents.AI.Hosting.A2A.UnitTests.csproj" />
     <Project Path="tests/Microsoft.Agents.AI.Hosting.AGUI.AspNetCore.UnitTests/Microsoft.Agents.AI.Hosting.AGUI.AspNetCore.UnitTests.csproj" />
     <Project Path="tests/Microsoft.Agents.AI.Hosting.AzureFunctions.UnitTests/Microsoft.Agents.AI.Hosting.AzureFunctions.UnitTests.csproj" />

dotnet/agent-framework-release.slnf

@@ -25,7 +25,6 @@
       "src\\Microsoft.Agents.AI.Purview\\Microsoft.Agents.AI.Purview.csproj",
       "src\\Microsoft.Agents.AI.Workflows.Declarative.AzureAI\\Microsoft.Agents.AI.Workflows.Declarative.AzureAI.csproj",
       "src\\Microsoft.Agents.AI.Workflows.Declarative\\Microsoft.Agents.AI.Workflows.Declarative.csproj",
-      "src\\Microsoft.Agents.AI.Workflows.Generators\\Microsoft.Agents.AI.Workflows.Generators.csproj",
       "src\\Microsoft.Agents.AI.Workflows\\Microsoft.Agents.AI.Workflows.csproj",
       "src\\Microsoft.Agents.AI\\Microsoft.Agents.AI.csproj"
     ]

dotnet/eng/MSBuild/Shared.props

@@ -20,10 +20,4 @@
   <ItemGroup Condition="'$(InjectSharedFoundryAgents)' == 'true'">
     <Compile Include="$(MSBuildThisFileDirectory)\..\..\src\Shared\Foundry\Agents\*.cs" LinkBase="Shared\Foundry" />
   </ItemGroup>
-  <ItemGroup Condition="'$(InjectSharedStructuredOutput)' == 'true'">
-    <Compile Include="$(MSBuildThisFileDirectory)\..\..\src\Shared\StructuredOutput\*.cs" LinkBase="Shared\StructuredOutput" />
-  </ItemGroup>
-  <ItemGroup Condition="'$(InjectSharedDiagnosticIds)' == 'true'">
-    <Compile Include="$(MSBuildThisFileDirectory)\..\..\src\Shared\DiagnosticIds\*.cs" LinkBase="Shared\DiagnosticIds" />
-  </ItemGroup>
 </Project>

dotnet/nuget/nuget-package.props

@@ -2,11 +2,9 @@
   <PropertyGroup>
     <!-- Central version prefix - applies to all nuget packages. -->
     <VersionPrefix>1.0.0</VersionPrefix>
-    <RCNumber>1</RCNumber>
-    <PackageVersion Condition="'$(IsReleaseCandidate)' == 'true'">$(VersionPrefix)-rc$(RCNumber)</PackageVersion>
-    <PackageVersion Condition="'$(IsReleaseCandidate)' != 'true' AND '$(VersionSuffix)' != ''">$(VersionPrefix)-$(VersionSuffix).260219.1</PackageVersion>
-    <PackageVersion Condition="'$(IsReleaseCandidate)' != 'true' AND '$(VersionSuffix)' == ''">$(VersionPrefix)-preview.260219.1</PackageVersion>
-    <GitTag>1.0.0-rc1</GitTag>
+    <PackageVersion Condition="'$(VersionSuffix)' != ''">$(VersionPrefix)-$(VersionSuffix).260128.1</PackageVersion>
+    <PackageVersion Condition="'$(VersionSuffix)' == ''">$(VersionPrefix)-preview.260128.1</PackageVersion>
+    <GitTag>1.0.0-preview.260128.1</GitTag>
 
     <Configurations>Debug;Release;Publish</Configurations>
     <IsPackable>true</IsPackable>

dotnet/samples/A2AClientServer/A2AClient/Program.cs

@@ -42,7 +42,7 @@ public static class Program
         // Create the Host agent
         var hostAgent = new HostClientAgent(loggerFactory);
         await hostAgent.InitializeAgentAsync(modelId, apiKey, agentUrls!.Split(";"));
-        AgentSession session = await hostAgent.Agent!.CreateSessionAsync(cancellationToken);
+        AgentSession session = await hostAgent.Agent!.GetNewSessionAsync(cancellationToken);
         try
         {
             while (true)

dotnet/samples/A2AClientServer/A2AServer/HostAgentFactory.cs

@@ -14,10 +14,7 @@ internal static class HostAgentFactory
 {
     internal static async Task<(AIAgent, AgentCard)> CreateFoundryHostAgentAsync(string agentType, string model, string endpoint, string assistantId, IList<AITool>? tools = null)
     {
-        // WARNING: DefaultAzureCredential is convenient for development but requires careful consideration in production.
-        // In production, consider using a specific credential (e.g., ManagedIdentityCredential) to avoid
-        // latency issues, unintended credential probing, and potential security risks from fallback mechanisms.
-        var persistentAgentsClient = new PersistentAgentsClient(endpoint, new DefaultAzureCredential());
+        var persistentAgentsClient = new PersistentAgentsClient(endpoint, new AzureCliCredential());
         PersistentAgent persistentAgent = await persistentAgentsClient.Administration.GetAgentAsync(assistantId);
 
         AIAgent agent = await persistentAgentsClient

dotnet/samples/AGUIClientServer/AGUIClient/Program.cs

@@ -88,7 +88,7 @@ public static class Program
             description: "AG-UI Client Agent",
             tools: [changeBackground, readClientClimateSensors]);
 
-        AgentSession session = await agent.CreateSessionAsync(cancellationToken);
+        AgentSession session = await agent.GetNewSessionAsync(cancellationToken);
         List<ChatMessage> messages = [new(ChatRole.System, "You are a helpful assistant.")];
         try
         {

dotnet/samples/AGUIClientServer/AGUIDojoServer/ChatClientAgentFactory.cs

@@ -24,9 +24,6 @@ internal static class ChatClientAgentFactory
         string endpoint = configuration["AZURE_OPENAI_ENDPOINT"] ?? throw new InvalidOperationException("AZURE_OPENAI_ENDPOINT is not set.");
         s_deploymentName = configuration["AZURE_OPENAI_DEPLOYMENT_NAME"] ?? throw new InvalidOperationException("AZURE_OPENAI_DEPLOYMENT_NAME is not set.");
 
-        // WARNING: DefaultAzureCredential is convenient for development but requires careful consideration in production.
-        // In production, consider using a specific credential (e.g., ManagedIdentityCredential) to avoid
-        // latency issues, unintended credential probing, and potential security risks from fallback mechanisms.
         s_azureOpenAIClient = new AzureOpenAIClient(
             new Uri(endpoint),
             new DefaultAzureCredential());

dotnet/samples/AGUIClientServer/AGUIDojoServer/SharedState/SharedStateAgent.cs

@@ -78,7 +78,7 @@ internal sealed class SharedStateAgent : DelegatingAIAgent
 
         var response = allUpdates.ToAgentResponse();
 
-        if (TryDeserialize(response.Text, this._jsonSerializerOptions, out JsonElement stateSnapshot))
+        if (response.TryDeserialize(this._jsonSerializerOptions, out JsonElement stateSnapshot))
         {
             byte[] stateBytes = JsonSerializer.SerializeToUtf8Bytes(
                 stateSnapshot,
@@ -103,25 +103,4 @@ internal sealed class SharedStateAgent : DelegatingAIAgent
             yield return update;
         }
     }
-
-    private static bool TryDeserialize<T>(string json, JsonSerializerOptions jsonSerializerOptions, out T structuredOutput)
-    {
-        try
-        {
-            T? result = JsonSerializer.Deserialize<T>(json, jsonSerializerOptions);
-            if (result is null)
-            {
-                structuredOutput = default!;
-                return false;
-            }
-
-            structuredOutput = result;
-            return true;
-        }
-        catch
-        {
-            structuredOutput = default!;
-            return false;
-        }
-    }
 }

dotnet/samples/AGUIClientServer/AGUIServer/Program.cs

@@ -19,9 +19,6 @@ string endpoint = builder.Configuration["AZURE_OPENAI_ENDPOINT"] ?? throw new In
 string deploymentName = builder.Configuration["AZURE_OPENAI_DEPLOYMENT_NAME"] ?? throw new InvalidOperationException("AZURE_OPENAI_DEPLOYMENT_NAME is not set.");
 
 // Create the AI agent with tools
-// WARNING: DefaultAzureCredential is convenient for development but requires careful consideration in production.
-// In production, consider using a specific credential (e.g., ManagedIdentityCredential) to avoid
-// latency issues, unintended credential probing, and potential security risks from fallback mechanisms.
 var agent = new AzureOpenAIClient(
         new Uri(endpoint),
         new DefaultAzureCredential())

dotnet/samples/AGUIWebChat/Server/Program.cs

@@ -19,9 +19,6 @@ string endpoint = builder.Configuration["AZURE_OPENAI_ENDPOINT"] ?? throw new In
 string deploymentName = builder.Configuration["AZURE_OPENAI_DEPLOYMENT_NAME"] ?? throw new InvalidOperationException("AZURE_OPENAI_DEPLOYMENT_NAME is not set.");
 
 // Create the AI agent
-// WARNING: DefaultAzureCredential is convenient for development but requires careful consideration in production.
-// In production, consider using a specific credential (e.g., ManagedIdentityCredential) to avoid
-// latency issues, unintended credential probing, and potential security risks from fallback mechanisms.
 AzureOpenAIClient azureOpenAIClient = new(
     new Uri(endpoint),
     new DefaultAzureCredential());

dotnet/samples/AgentWebChat/AgentWebChat.AgentHost/Program.cs

@@ -70,7 +70,7 @@ var knightsKnavesAgentBuilder = builder.AddAIAgent("knights-and-knaves", (sp, ke
         If the user asks a general question about their surrounding, make something up which is consistent with the scenario.
         """, "Narrator");
 
-    return AgentWorkflowBuilder.BuildConcurrent([knight, knave, narrator]).AsAIAgent(name: key);
+    return AgentWorkflowBuilder.BuildConcurrent([knight, knave, narrator]).AsAgent(name: key);
 });
 
 // Workflow consisting of multiple specialized agents

dotnet/samples/Durable/Agents/AzureFunctions/01_SingleAgent/Program.cs

@@ -1,7 +1,5 @@
 // Copyright (c) Microsoft. All rights reserved.
 
-#pragma warning disable IDE0002 // Simplify Member Access
-
 using Azure;
 using Azure.AI.OpenAI;
 using Azure.Identity;
@@ -19,12 +17,9 @@ string deploymentName = Environment.GetEnvironmentVariable("AZURE_OPENAI_DEPLOYM
 
 // Use Azure Key Credential if provided, otherwise use Azure CLI Credential.
 string? azureOpenAiKey = System.Environment.GetEnvironmentVariable("AZURE_OPENAI_KEY");
-// WARNING: DefaultAzureCredential is convenient for development but requires careful consideration in production.
-// In production, consider using a specific credential (e.g., ManagedIdentityCredential) to avoid
-// latency issues, unintended credential probing, and potential security risks from fallback mechanisms.
 AzureOpenAIClient client = !string.IsNullOrEmpty(azureOpenAiKey)
     ? new AzureOpenAIClient(new Uri(endpoint), new AzureKeyCredential(azureOpenAiKey))
-    : new AzureOpenAIClient(new Uri(endpoint), new DefaultAzureCredential());
+    : new AzureOpenAIClient(new Uri(endpoint), new AzureCliCredential());
 
 // Set up an AI agent following the standard Microsoft Agent Framework pattern.
 const string JokerName = "Joker";

dotnet/samples/Durable/Agents/AzureFunctions/02_AgentOrchestration_Chaining/FunctionTriggers.cs

@@ -19,7 +19,7 @@ public static class FunctionTriggers
     public static async Task<string> RunOrchestrationAsync([OrchestrationTrigger] TaskOrchestrationContext context)
     {
         DurableAIAgent writer = context.GetAgent("WriterAgent");
-        AgentSession writerSession = await writer.CreateSessionAsync();
+        AgentSession writerSession = await writer.GetNewSessionAsync();
 
         AgentResponse<TextResponse> initial = await writer.RunAsync<TextResponse>(
             message: "Write a concise inspirational sentence about learning.",

dotnet/samples/Durable/Agents/AzureFunctions/02_AgentOrchestration_Chaining/Program.cs

@@ -1,7 +1,5 @@
 // Copyright (c) Microsoft. All rights reserved.
 
-#pragma warning disable IDE0002 // Simplify Member Access
-
 using Azure;
 using Azure.AI.OpenAI;
 using Azure.Identity;
@@ -19,12 +17,9 @@ string deploymentName = Environment.GetEnvironmentVariable("AZURE_OPENAI_DEPLOYM
 
 // Use Azure Key Credential if provided, otherwise use Azure CLI Credential.
 string? azureOpenAiKey = System.Environment.GetEnvironmentVariable("AZURE_OPENAI_KEY");
-// WARNING: DefaultAzureCredential is convenient for development but requires careful consideration in production.
-// In production, consider using a specific credential (e.g., ManagedIdentityCredential) to avoid
-// latency issues, unintended credential probing, and potential security risks from fallback mechanisms.
 AzureOpenAIClient client = !string.IsNullOrEmpty(azureOpenAiKey)
     ? new AzureOpenAIClient(new Uri(endpoint), new AzureKeyCredential(azureOpenAiKey))
-    : new AzureOpenAIClient(new Uri(endpoint), new DefaultAzureCredential());
+    : new AzureOpenAIClient(new Uri(endpoint), new AzureCliCredential());
 
 // Single agent used by the orchestration to demonstrate sequential calls on the same session.
 const string WriterName = "WriterAgent";

dotnet/samples/Durable/Agents/AzureFunctions/03_AgentOrchestration_Concurrency/Program.cs

@@ -1,7 +1,5 @@
 // Copyright (c) Microsoft. All rights reserved.
 
-#pragma warning disable IDE0002 // Simplify Member Access
-
 using Azure;
 using Azure.AI.OpenAI;
 using Azure.Identity;
@@ -19,12 +17,9 @@ string deploymentName = Environment.GetEnvironmentVariable("AZURE_OPENAI_DEPLOYM
 
 // Use Azure Key Credential if provided, otherwise use Azure CLI Credential.
 string? azureOpenAiKey = System.Environment.GetEnvironmentVariable("AZURE_OPENAI_KEY");
-// WARNING: DefaultAzureCredential is convenient for development but requires careful consideration in production.
-// In production, consider using a specific credential (e.g., ManagedIdentityCredential) to avoid
-// latency issues, unintended credential probing, and potential security risks from fallback mechanisms.
 AzureOpenAIClient client = !string.IsNullOrEmpty(azureOpenAiKey)
     ? new AzureOpenAIClient(new Uri(endpoint), new AzureKeyCredential(azureOpenAiKey))
-    : new AzureOpenAIClient(new Uri(endpoint), new DefaultAzureCredential());
+    : new AzureOpenAIClient(new Uri(endpoint), new AzureCliCredential());
 
 // Two agents used by the orchestration to demonstrate concurrent execution.
 const string PhysicistName = "PhysicistAgent";

dotnet/samples/Durable/Agents/AzureFunctions/04_AgentOrchestration_Conditionals/FunctionTriggers.cs

@@ -21,7 +21,7 @@ public static class FunctionTriggers
 
         // Get the spam detection agent
         DurableAIAgent spamDetectionAgent = context.GetAgent("SpamDetectionAgent");
-        AgentSession spamSession = await spamDetectionAgent.CreateSessionAsync();
+        AgentSession spamSession = await spamDetectionAgent.GetNewSessionAsync();
 
         // Step 1: Check if the email is spam
         AgentResponse<DetectionResult> spamDetectionResponse = await spamDetectionAgent.RunAsync<DetectionResult>(
@@ -43,7 +43,7 @@ public static class FunctionTriggers
 
         // Generate and send response for legitimate email
         DurableAIAgent emailAssistantAgent = context.GetAgent("EmailAssistantAgent");
-        AgentSession emailSession = await emailAssistantAgent.CreateSessionAsync();
+        AgentSession emailSession = await emailAssistantAgent.GetNewSessionAsync();
 
         AgentResponse<EmailResponse> emailAssistantResponse = await emailAssistantAgent.RunAsync<EmailResponse>(
             message:

dotnet/samples/Durable/Agents/AzureFunctions/04_AgentOrchestration_Conditionals/Program.cs

@@ -1,7 +1,5 @@
 // Copyright (c) Microsoft. All rights reserved.
 
-#pragma warning disable IDE0002 // Simplify Member Access
-
 using Azure;
 using Azure.AI.OpenAI;
 using Azure.Identity;
@@ -19,12 +17,9 @@ string deploymentName = Environment.GetEnvironmentVariable("AZURE_OPENAI_DEPLOYM
 
 // Use Azure Key Credential if provided, otherwise use Azure CLI Credential.
 string? azureOpenAiKey = System.Environment.GetEnvironmentVariable("AZURE_OPENAI_KEY");
-// WARNING: DefaultAzureCredential is convenient for development but requires careful consideration in production.
-// In production, consider using a specific credential (e.g., ManagedIdentityCredential) to avoid
-// latency issues, unintended credential probing, and potential security risks from fallback mechanisms.
 AzureOpenAIClient client = !string.IsNullOrEmpty(azureOpenAiKey)
     ? new AzureOpenAIClient(new Uri(endpoint), new AzureKeyCredential(azureOpenAiKey))
-    : new AzureOpenAIClient(new Uri(endpoint), new DefaultAzureCredential());
+    : new AzureOpenAIClient(new Uri(endpoint), new AzureCliCredential());
 
 // Two agents used by the orchestration to demonstrate conditional logic.
 const string SpamDetectionName = "SpamDetectionAgent";

dotnet/samples/Durable/Agents/AzureFunctions/05_AgentOrchestration_HITL/FunctionTriggers.cs

@@ -24,7 +24,7 @@ public static class FunctionTriggers
 
         // Get the writer agent
         DurableAIAgent writerAgent = context.GetAgent("WriterAgent");
-        AgentSession writerSession = await writerAgent.CreateSessionAsync();
+        AgentSession writerSession = await writerAgent.GetNewSessionAsync();
 
         // Set initial status
         context.SetCustomStatus($"Starting content generation for topic: {input.Topic}");

dotnet/samples/Durable/Agents/AzureFunctions/05_AgentOrchestration_HITL/Program.cs

@@ -1,7 +1,5 @@
 // Copyright (c) Microsoft. All rights reserved.
 
-#pragma warning disable IDE0002 // Simplify Member Access
-
 using Azure;
 using Azure.AI.OpenAI;
 using Azure.Identity;
@@ -19,12 +17,9 @@ string deploymentName = Environment.GetEnvironmentVariable("AZURE_OPENAI_DEPLOYM
 
 // Use Azure Key Credential if provided, otherwise use Azure CLI Credential.
 string? azureOpenAiKey = System.Environment.GetEnvironmentVariable("AZURE_OPENAI_KEY");
-// WARNING: DefaultAzureCredential is convenient for development but requires careful consideration in production.
-// In production, consider using a specific credential (e.g., ManagedIdentityCredential) to avoid
-// latency issues, unintended credential probing, and potential security risks from fallback mechanisms.
 AzureOpenAIClient client = !string.IsNullOrEmpty(azureOpenAiKey)
     ? new AzureOpenAIClient(new Uri(endpoint), new AzureKeyCredential(azureOpenAiKey))
-    : new AzureOpenAIClient(new Uri(endpoint), new DefaultAzureCredential());
+    : new AzureOpenAIClient(new Uri(endpoint), new AzureCliCredential());
 
 // Single agent used by the orchestration to demonstrate human-in-the-loop workflow.
 const string WriterName = "WriterAgent";

dotnet/samples/Durable/Agents/AzureFunctions/06_LongRunningTools/FunctionTriggers.cs

@@ -20,7 +20,7 @@ public static class FunctionTriggers
 
         // Get the writer agent
         DurableAIAgent writerAgent = context.GetAgent("Writer");
-        AgentSession writerSession = await writerAgent.CreateSessionAsync();
+        AgentSession writerSession = await writerAgent.GetNewSessionAsync();
 
         // Set initial status
         context.SetCustomStatus($"Starting content generation for topic: {input.Topic}");

dotnet/samples/Durable/Agents/AzureFunctions/06_LongRunningTools/Program.cs

@@ -1,7 +1,5 @@
 // Copyright (c) Microsoft. All rights reserved.
 
-#pragma warning disable IDE0002 // Simplify Member Access
-
 using Azure;
 using Azure.AI.OpenAI;
 using Azure.Identity;
@@ -23,12 +21,9 @@ string deploymentName = Environment.GetEnvironmentVariable("AZURE_OPENAI_DEPLOYM
 
 // Use Azure Key Credential if provided, otherwise use Azure CLI Credential.
 string? azureOpenAiKey = System.Environment.GetEnvironmentVariable("AZURE_OPENAI_KEY");
-// WARNING: DefaultAzureCredential is convenient for development but requires careful consideration in production.
-// In production, consider using a specific credential (e.g., ManagedIdentityCredential) to avoid
-// latency issues, unintended credential probing, and potential security risks from fallback mechanisms.
 AzureOpenAIClient client = !string.IsNullOrEmpty(azureOpenAiKey)
     ? new AzureOpenAIClient(new Uri(endpoint), new AzureKeyCredential(azureOpenAiKey))
-    : new AzureOpenAIClient(new Uri(endpoint), new DefaultAzureCredential());
+    : new AzureOpenAIClient(new Uri(endpoint), new AzureCliCredential());
 
 // Agent used by the orchestration to write content.
 const string WriterAgentName = "Writer";

dotnet/samples/Durable/Agents/AzureFunctions/07_AgentAsMcpTool/Program.cs

@@ -5,8 +5,6 @@
 // generate a remote MCP endpoint for the app at /runtime/webhooks/mcp with a agent-specific
 // query tool name.
 
-#pragma warning disable IDE0002 // Simplify Member Access
-
 using Azure;
 using Azure.AI.OpenAI;
 using Azure.Identity;
@@ -25,12 +23,9 @@ string deploymentName = Environment.GetEnvironmentVariable("AZURE_OPENAI_DEPLOYM
 
 // Use Azure Key Credential if provided, otherwise use Azure CLI Credential.
 string? azureOpenAiKey = System.Environment.GetEnvironmentVariable("AZURE_OPENAI_KEY");
-// WARNING: DefaultAzureCredential is convenient for development but requires careful consideration in production.
-// In production, consider using a specific credential (e.g., ManagedIdentityCredential) to avoid
-// latency issues, unintended credential probing, and potential security risks from fallback mechanisms.
 AzureOpenAIClient client = !string.IsNullOrEmpty(azureOpenAiKey)
     ? new AzureOpenAIClient(new Uri(endpoint), new AzureKeyCredential(azureOpenAiKey))
-    : new AzureOpenAIClient(new Uri(endpoint), new DefaultAzureCredential());
+    : new AzureOpenAIClient(new Uri(endpoint), new AzureCliCredential());
 
 // Define three AI agents we are going to use in this application.
 AIAgent agent1 = client.GetChatClient(deploymentName).AsAIAgent("You are good at telling jokes.", "Joker");

dotnet/samples/Durable/Agents/AzureFunctions/08_ReliableStreaming/FunctionTriggers.cs

@@ -95,7 +95,7 @@ public sealed class FunctionTriggers
         AIAgent agentProxy = durableClient.AsDurableAgentProxy(context, "TravelPlanner");
 
         // Create a new agent session
-        AgentSession session = await agentProxy.CreateSessionAsync(cancellationToken);
+        AgentSession session = await agentProxy.GetNewSessionAsync(cancellationToken);
         string agentSessionId = session.GetService<AgentSessionId>().ToString();
 
         this._logger.LogInformation("Creating new agent session: {AgentSessionId}", agentSessionId);

dotnet/samples/Durable/Agents/AzureFunctions/08_ReliableStreaming/Program.cs

@@ -8,8 +8,6 @@
 // This pattern is inspired by OpenAI's background mode for the Responses API, which allows clients
 // to disconnect and reconnect to ongoing agent responses without losing messages.
 
-#pragma warning disable IDE0002 // Simplify Member Access
-
 using Azure;
 using Azure.AI.OpenAI;
 using Azure.Identity;
@@ -40,12 +38,9 @@ int redisStreamTtlMinutes = int.TryParse(
 
 // Use Azure Key Credential if provided, otherwise use Azure CLI Credential.
 string? azureOpenAiKey = System.Environment.GetEnvironmentVariable("AZURE_OPENAI_KEY");
-// WARNING: DefaultAzureCredential is convenient for development but requires careful consideration in production.
-// In production, consider using a specific credential (e.g., ManagedIdentityCredential) to avoid
-// latency issues, unintended credential probing, and potential security risks from fallback mechanisms.
 AzureOpenAIClient client = !string.IsNullOrEmpty(azureOpenAiKey)
     ? new AzureOpenAIClient(new Uri(endpoint), new AzureKeyCredential(azureOpenAiKey))
-    : new AzureOpenAIClient(new Uri(endpoint), new DefaultAzureCredential());
+    : new AzureOpenAIClient(new Uri(endpoint), new AzureCliCredential());
 
 // Travel Planner agent instructions - designed to produce longer responses for demonstrating streaming.
 const string TravelPlannerName = "TravelPlanner";

dotnet/samples/Durable/Agents/ConsoleApps/01_SingleAgent/Program.cs

@@ -25,12 +25,9 @@ string dtsConnectionString = Environment.GetEnvironmentVariable("DURABLE_TASK_SC
 
 // Use Azure Key Credential if provided, otherwise use Azure CLI Credential.
 string? azureOpenAiKey = Environment.GetEnvironmentVariable("AZURE_OPENAI_KEY");
-// WARNING: DefaultAzureCredential is convenient for development but requires careful consideration in production.
-// In production, consider using a specific credential (e.g., ManagedIdentityCredential) to avoid
-// latency issues, unintended credential probing, and potential security risks from fallback mechanisms.
 AzureOpenAIClient client = !string.IsNullOrEmpty(azureOpenAiKey)
     ? new AzureOpenAIClient(new Uri(endpoint), new AzureKeyCredential(azureOpenAiKey))
-    : new AzureOpenAIClient(new Uri(endpoint), new DefaultAzureCredential());
+    : new AzureOpenAIClient(new Uri(endpoint), new AzureCliCredential());
 
 // Set up an AI agent following the standard Microsoft Agent Framework pattern.
 const string JokerName = "Joker";
@@ -64,7 +61,7 @@ Console.WriteLine("Enter a message for the Joker agent (or 'exit' to quit):");
 Console.WriteLine();
 
 // Create a session for the conversation
-AgentSession session = await agentProxy.CreateSessionAsync();
+AgentSession session = await agentProxy.GetNewSessionAsync();
 
 while (true)
 {

dotnet/samples/Durable/Agents/ConsoleApps/02_AgentOrchestration_Chaining/Program.cs

@@ -29,12 +29,9 @@ string dtsConnectionString = Environment.GetEnvironmentVariable("DURABLE_TASK_SC
 
 // Use Azure Key Credential if provided, otherwise use Azure CLI Credential.
 string? azureOpenAiKey = Environment.GetEnvironmentVariable("AZURE_OPENAI_KEY");
-// WARNING: DefaultAzureCredential is convenient for development but requires careful consideration in production.
-// In production, consider using a specific credential (e.g., ManagedIdentityCredential) to avoid
-// latency issues, unintended credential probing, and potential security risks from fallback mechanisms.
 AzureOpenAIClient client = !string.IsNullOrEmpty(azureOpenAiKey)
     ? new AzureOpenAIClient(new Uri(endpoint), new AzureKeyCredential(azureOpenAiKey))
-    : new AzureOpenAIClient(new Uri(endpoint), new DefaultAzureCredential());
+    : new AzureOpenAIClient(new Uri(endpoint), new AzureCliCredential());
 
 // Single agent used by the orchestration to demonstrate sequential calls on the same session.
 const string WriterName = "WriterAgent";
@@ -50,7 +47,7 @@ AIAgent writerAgent = client.GetChatClient(deploymentName).AsAIAgent(WriterInstr
 static async Task<string> RunOrchestratorAsync(TaskOrchestrationContext context)
 {
     DurableAIAgent writer = context.GetAgent("WriterAgent");
-    AgentSession writerSession = await writer.CreateSessionAsync();
+    AgentSession writerSession = await writer.GetNewSessionAsync();
 
     AgentResponse<TextResponse> initial = await writer.RunAsync<TextResponse>(
         message: "Write a concise inspirational sentence about learning.",

dotnet/samples/Durable/Agents/ConsoleApps/03_AgentOrchestration_Concurrency/Program.cs

@@ -29,12 +29,9 @@ string dtsConnectionString = Environment.GetEnvironmentVariable("DURABLE_TASK_SC
 
 // Use Azure Key Credential if provided, otherwise use Azure CLI Credential.
 string? azureOpenAiKey = Environment.GetEnvironmentVariable("AZURE_OPENAI_KEY");
-// WARNING: DefaultAzureCredential is convenient for development but requires careful consideration in production.
-// In production, consider using a specific credential (e.g., ManagedIdentityCredential) to avoid
-// latency issues, unintended credential probing, and potential security risks from fallback mechanisms.
 AzureOpenAIClient client = !string.IsNullOrEmpty(azureOpenAiKey)
     ? new AzureOpenAIClient(new Uri(endpoint), new AzureKeyCredential(azureOpenAiKey))
-    : new AzureOpenAIClient(new Uri(endpoint), new DefaultAzureCredential());
+    : new AzureOpenAIClient(new Uri(endpoint), new AzureCliCredential());
 
 // Two agents used by the orchestration to demonstrate concurrent execution.
 const string PhysicistName = "PhysicistAgent";

dotnet/samples/Durable/Agents/ConsoleApps/04_AgentOrchestration_Conditionals/Program.cs

@@ -28,12 +28,9 @@ string dtsConnectionString = Environment.GetEnvironmentVariable("DURABLE_TASK_SC
 
 // Use Azure Key Credential if provided, otherwise use Azure CLI Credential.
 string? azureOpenAiKey = Environment.GetEnvironmentVariable("AZURE_OPENAI_KEY");
-// WARNING: DefaultAzureCredential is convenient for development but requires careful consideration in production.
-// In production, consider using a specific credential (e.g., ManagedIdentityCredential) to avoid
-// latency issues, unintended credential probing, and potential security risks from fallback mechanisms.
 AzureOpenAIClient client = !string.IsNullOrEmpty(azureOpenAiKey)
     ? new AzureOpenAIClient(new Uri(endpoint), new AzureKeyCredential(azureOpenAiKey))
-    : new AzureOpenAIClient(new Uri(endpoint), new DefaultAzureCredential());
+    : new AzureOpenAIClient(new Uri(endpoint), new AzureCliCredential());
 
 // Spam detection agent
 const string SpamDetectionAgentName = "SpamDetectionAgent";
@@ -59,7 +56,7 @@ static async Task<string> RunOrchestratorAsync(TaskOrchestrationContext context,
 {
     // Get the spam detection agent
     DurableAIAgent spamDetectionAgent = context.GetAgent(SpamDetectionAgentName);
-    AgentSession spamSession = await spamDetectionAgent.CreateSessionAsync();
+    AgentSession spamSession = await spamDetectionAgent.GetNewSessionAsync();
 
     // Step 1: Check if the email is spam
     AgentResponse<DetectionResult> spamDetectionResponse = await spamDetectionAgent.RunAsync<DetectionResult>(
@@ -81,7 +78,7 @@ static async Task<string> RunOrchestratorAsync(TaskOrchestrationContext context,
 
     // Generate and send response for legitimate email
     DurableAIAgent emailAssistantAgent = context.GetAgent(EmailAssistantAgentName);
-    AgentSession emailSession = await emailAssistantAgent.CreateSessionAsync();
+    AgentSession emailSession = await emailAssistantAgent.GetNewSessionAsync();
 
     AgentResponse<EmailResponse> emailAssistantResponse = await emailAssistantAgent.RunAsync<EmailResponse>(
         message:

dotnet/samples/Durable/Agents/ConsoleApps/05_AgentOrchestration_HITL/Program.cs

@@ -29,12 +29,9 @@ string dtsConnectionString = Environment.GetEnvironmentVariable("DURABLE_TASK_SC
 
 // Use Azure Key Credential if provided, otherwise use Azure CLI Credential.
 string? azureOpenAiKey = Environment.GetEnvironmentVariable("AZURE_OPENAI_KEY");
-// WARNING: DefaultAzureCredential is convenient for development but requires careful consideration in production.
-// In production, consider using a specific credential (e.g., ManagedIdentityCredential) to avoid
-// latency issues, unintended credential probing, and potential security risks from fallback mechanisms.
 AzureOpenAIClient client = !string.IsNullOrEmpty(azureOpenAiKey)
     ? new AzureOpenAIClient(new Uri(endpoint), new AzureKeyCredential(azureOpenAiKey))
-    : new AzureOpenAIClient(new Uri(endpoint), new DefaultAzureCredential());
+    : new AzureOpenAIClient(new Uri(endpoint), new AzureCliCredential());
 
 // Single agent used by the orchestration to demonstrate human-in-the-loop workflow.
 const string WriterName = "WriterAgent";
@@ -51,7 +48,7 @@ static async Task<object> RunOrchestratorAsync(TaskOrchestrationContext context,
 {
     // Get the writer agent
     DurableAIAgent writerAgent = context.GetAgent("WriterAgent");
-    AgentSession writerSession = await writerAgent.CreateSessionAsync();
+    AgentSession writerSession = await writerAgent.GetNewSessionAsync();
 
     // Set initial status
     context.SetCustomStatus($"Starting content generation for topic: {input.Topic}");

dotnet/samples/Durable/Agents/ConsoleApps/06_LongRunningTools/Program.cs

@@ -30,12 +30,9 @@ string dtsConnectionString = Environment.GetEnvironmentVariable("DURABLE_TASK_SC
 
 // Use Azure Key Credential if provided, otherwise use Azure CLI Credential.
 string? azureOpenAiKey = Environment.GetEnvironmentVariable("AZURE_OPENAI_KEY");
-// WARNING: DefaultAzureCredential is convenient for development but requires careful consideration in production.
-// In production, consider using a specific credential (e.g., ManagedIdentityCredential) to avoid
-// latency issues, unintended credential probing, and potential security risks from fallback mechanisms.
 AzureOpenAIClient client = !string.IsNullOrEmpty(azureOpenAiKey)
     ? new AzureOpenAIClient(new Uri(endpoint), new AzureKeyCredential(azureOpenAiKey))
-    : new AzureOpenAIClient(new Uri(endpoint), new DefaultAzureCredential());
+    : new AzureOpenAIClient(new Uri(endpoint), new AzureCliCredential());
 
 // Agent used by the orchestration to write content.
 const string WriterAgentName = "Writer";
@@ -62,7 +59,7 @@ static async Task<object> RunOrchestratorAsync(TaskOrchestrationContext context,
 {
     // Get the writer agent
     DurableAIAgent writerAgent = context.GetAgent(WriterAgentName);
-    AgentSession writerSession = await writerAgent.CreateSessionAsync();
+    AgentSession writerSession = await writerAgent.GetNewSessionAsync();
 
     // Set initial status
     context.SetCustomStatus($"Starting content generation for topic: {input.Topic}");
@@ -302,7 +299,7 @@ Console.WriteLine("Enter a topic for the Publisher agent to write about (or 'exi
 Console.WriteLine();
 
 // Create a session for the conversation
-AgentSession session = await agentProxy.CreateSessionAsync();
+AgentSession session = await agentProxy.GetNewSessionAsync();
 
 using CancellationTokenSource cts = new();
 Console.CancelKeyPress += (sender, e) =>

dotnet/samples/Durable/Agents/ConsoleApps/07_ReliableStreaming/Program.cs

@@ -38,12 +38,9 @@ string dtsConnectionString = Environment.GetEnvironmentVariable("DURABLE_TASK_SC
 
 // Use Azure Key Credential if provided, otherwise use Azure CLI Credential.
 string? azureOpenAiKey = Environment.GetEnvironmentVariable("AZURE_OPENAI_KEY");
-// WARNING: DefaultAzureCredential is convenient for development but requires careful consideration in production.
-// In production, consider using a specific credential (e.g., ManagedIdentityCredential) to avoid
-// latency issues, unintended credential probing, and potential security risks from fallback mechanisms.
 AzureOpenAIClient client = !string.IsNullOrEmpty(azureOpenAiKey)
     ? new AzureOpenAIClient(new Uri(endpoint), new AzureKeyCredential(azureOpenAiKey))
-    : new AzureOpenAIClient(new Uri(endpoint), new DefaultAzureCredential());
+    : new AzureOpenAIClient(new Uri(endpoint), new AzureCliCredential());
 
 // Travel Planner agent instructions - designed to produce longer responses for demonstrating streaming.
 const string TravelPlannerName = "TravelPlanner";
@@ -308,7 +305,7 @@ if (string.IsNullOrWhiteSpace(prompt) || prompt.Equals("exit", StringComparison.
 }
 
 // Create a new agent session
-AgentSession session = await agentProxy.CreateSessionAsync();
+AgentSession session = await agentProxy.GetNewSessionAsync();
 AgentSessionId sessionId = session.GetService<AgentSessionId>();
 string conversationId = sessionId.ToString();
 

dotnet/samples/GettingStarted/A2A/A2AAgent_AsFunctionTools/Program.cs

@@ -26,12 +26,9 @@ AgentCard agentCard = await agentCardResolver.GetAgentCardAsync();
 AIAgent a2aAgent = agentCard.AsAIAgent();
 
 // Create the main agent, and provide the a2a agent skills as a function tools.
-// WARNING: DefaultAzureCredential is convenient for development but requires careful consideration in production.
-// In production, consider using a specific credential (e.g., ManagedIdentityCredential) to avoid
-// latency issues, unintended credential probing, and potential security risks from fallback mechanisms.
 AIAgent agent = new AzureOpenAIClient(
     new Uri(endpoint),
-    new DefaultAzureCredential())
+    new AzureCliCredential())
     .GetChatClient(deploymentName)
     .AsAIAgent(
         instructions: "You are a helpful assistant that helps people with travel planning.",

dotnet/samples/GettingStarted/A2A/A2AAgent_PollingForTaskCompletion/Program.cs

@@ -16,7 +16,7 @@ AgentCard agentCard = await agentCardResolver.GetAgentCardAsync();
 // Create an instance of the AIAgent for an existing A2A agent specified by the agent card.
 AIAgent agent = agentCard.AsAIAgent();
 
-AgentSession session = await agent.CreateSessionAsync();
+AgentSession session = await agent.GetNewSessionAsync();
 
 // Start the initial run with a long-running task.
 AgentResponse response = await agent.RunAsync("Conduct a comprehensive analysis of quantum computing applications in cryptography, including recent breakthroughs, implementation challenges, and future roadmap. Please include diagrams and visual representations to illustrate complex concepts.", session);

dotnet/samples/GettingStarted/AGUI/Step01_GettingStarted/Client/Program.cs

@@ -20,7 +20,7 @@ AIAgent agent = chatClient.AsAIAgent(
     name: "agui-client",
     description: "AG-UI Client Agent");
 
-AgentSession session = await agent.CreateSessionAsync();
+AgentSession session = await agent.GetNewSessionAsync();
 List<ChatMessage> messages =
 [
     new(ChatRole.System, "You are a helpful assistant.")

dotnet/samples/GettingStarted/AGUI/Step01_GettingStarted/Server/Program.cs

@@ -19,9 +19,6 @@ string deploymentName = builder.Configuration["AZURE_OPENAI_DEPLOYMENT_NAME"]
     ?? throw new InvalidOperationException("AZURE_OPENAI_DEPLOYMENT_NAME is not set.");
 
 // Create the AI agent
-// WARNING: DefaultAzureCredential is convenient for development but requires careful consideration in production.
-// In production, consider using a specific credential (e.g., ManagedIdentityCredential) to avoid
-// latency issues, unintended credential probing, and potential security risks from fallback mechanisms.
 ChatClient chatClient = new AzureOpenAIClient(
         new Uri(endpoint),
         new DefaultAzureCredential())

dotnet/samples/GettingStarted/AGUI/Step02_BackendTools/Client/Program.cs

@@ -20,7 +20,7 @@ AIAgent agent = chatClient.AsAIAgent(
     name: "agui-client",
     description: "AG-UI Client Agent");
 
-AgentSession session = await agent.CreateSessionAsync();
+AgentSession session = await agent.GetNewSessionAsync();
 List<ChatMessage> messages =
 [
     new(ChatRole.System, "You are a helpful assistant.")

dotnet/samples/GettingStarted/AGUI/Step02_BackendTools/Server/Program.cs

@@ -74,9 +74,6 @@ AITool[] tools =
 ];
 
 // Create the AI agent with tools
-// WARNING: DefaultAzureCredential is convenient for development but requires careful consideration in production.
-// In production, consider using a specific credential (e.g., ManagedIdentityCredential) to avoid
-// latency issues, unintended credential probing, and potential security risks from fallback mechanisms.
 ChatClient chatClient = new AzureOpenAIClient(
         new Uri(endpoint),
         new DefaultAzureCredential())

dotnet/samples/GettingStarted/AGUI/Step03_FrontendTools/Client/Program.cs

@@ -33,7 +33,7 @@ AIAgent agent = chatClient.AsAIAgent(
     description: "AG-UI Client Agent",
     tools: frontendTools);
 
-AgentSession session = await agent.CreateSessionAsync();
+AgentSession session = await agent.GetNewSessionAsync();
 List<ChatMessage> messages =
 [
     new(ChatRole.System, "You are a helpful assistant.")

dotnet/samples/GettingStarted/AGUI/Step03_FrontendTools/Server/Program.cs

@@ -19,9 +19,6 @@ string deploymentName = builder.Configuration["AZURE_OPENAI_DEPLOYMENT_NAME"]
     ?? throw new InvalidOperationException("AZURE_OPENAI_DEPLOYMENT_NAME is not set.");
 
 // Create the AI agent
-// WARNING: DefaultAzureCredential is convenient for development but requires careful consideration in production.
-// In production, consider using a specific credential (e.g., ManagedIdentityCredential) to avoid
-// latency issues, unintended credential probing, and potential security risks from fallback mechanisms.
 ChatClient chatClient = new AzureOpenAIClient(
         new Uri(endpoint),
         new DefaultAzureCredential())

dotnet/samples/GettingStarted/AGUI/Step04_HumanInLoop/Server/Program.cs

@@ -52,9 +52,6 @@ AITool[] tools = [new ApprovalRequiredAIFunction(AIFunctionFactory.Create(Approv
 #pragma warning restore MEAI001
 
 // Create base agent
-// WARNING: DefaultAzureCredential is convenient for development but requires careful consideration in production.
-// In production, consider using a specific credential (e.g., ManagedIdentityCredential) to avoid
-// latency issues, unintended credential probing, and potential security risks from fallback mechanisms.
 ChatClient openAIChatClient = new AzureOpenAIClient(
         new Uri(endpoint),
         new DefaultAzureCredential())

dotnet/samples/GettingStarted/AGUI/Step05_StateManagement/Client/Program.cs

@@ -30,7 +30,7 @@ JsonSerializerOptions jsonOptions = new(JsonSerializerDefaults.Web)
 };
 StatefulAgent<AgentState> agent = new(baseAgent, jsonOptions, new AgentState());
 
-AgentSession session = await agent.CreateSessionAsync();
+AgentSession session = await agent.GetNewSessionAsync();
 List<ChatMessage> messages =
 [
     new(ChatRole.System, "You are a helpful recipe assistant.")

dotnet/samples/GettingStarted/AGUI/Step05_StateManagement/Server/Program.cs

@@ -29,9 +29,6 @@ string deploymentName = builder.Configuration["AZURE_OPENAI_DEPLOYMENT_NAME"]
 var jsonOptions = app.Services.GetRequiredService<IOptions<Microsoft.AspNetCore.Http.Json.JsonOptions>>().Value;
 
 // Create base agent
-// WARNING: DefaultAzureCredential is convenient for development but requires careful consideration in production.
-// In production, consider using a specific credential (e.g., ManagedIdentityCredential) to avoid
-// latency issues, unintended credential probing, and potential security risks from fallback mechanisms.
 ChatClient chatClient = new AzureOpenAIClient(
         new Uri(endpoint),
         new DefaultAzureCredential())

dotnet/samples/GettingStarted/AGUI/Step05_StateManagement/Server/SharedStateAgent.cs

@@ -107,7 +107,7 @@ internal sealed class SharedStateAgent : DelegatingAIAgent
         var response = allUpdates.ToAgentResponse();
 
         // Try to deserialize the structured state response
-        if (TryDeserialize(response.Text, this._jsonSerializerOptions, out JsonElement stateSnapshot))
+        if (response.TryDeserialize(this._jsonSerializerOptions, out JsonElement stateSnapshot))
         {
             // Serialize and emit as STATE_SNAPSHOT via DataContent
             byte[] stateBytes = JsonSerializer.SerializeToUtf8Bytes(
@@ -134,25 +134,4 @@ internal sealed class SharedStateAgent : DelegatingAIAgent
             yield return update;
         }
     }
-
-    private static bool TryDeserialize<T>(string json, JsonSerializerOptions jsonSerializerOptions, out T structuredOutput)
-    {
-        try
-        {
-            T? deserialized = JsonSerializer.Deserialize<T>(json, jsonSerializerOptions);
-            if (deserialized is null)
-            {
-                structuredOutput = default!;
-                return false;
-            }
-
-            structuredOutput = deserialized;
-            return true;
-        }
-        catch
-        {
-            structuredOutput = default!;
-            return false;
-        }
-    }
 }

dotnet/samples/GettingStarted/AgentOpenTelemetry/Program.cs

@@ -110,10 +110,7 @@ static async Task<string> GetWeatherAsync([Description("The location to get the
     return $"The weather in {location} is cloudy with a high of 15°C.";
 }
 
-// WARNING: DefaultAzureCredential is convenient for development but requires careful consideration in production.
-// In production, consider using a specific credential (e.g., ManagedIdentityCredential) to avoid
-// latency issues, unintended credential probing, and potential security risks from fallback mechanisms.
-using var instrumentedChatClient = new AzureOpenAIClient(new Uri(endpoint), new DefaultAzureCredential())
+using var instrumentedChatClient = new AzureOpenAIClient(new Uri(endpoint), new AzureCliCredential())
     .GetChatClient(deploymentName)
         .AsIChatClient() // Converts a native OpenAI SDK ChatClient into a Microsoft.Extensions.AI.IChatClient
         .AsBuilder()
@@ -131,7 +128,7 @@ var agent = new ChatClientAgent(instrumentedChatClient,
     .UseOpenTelemetry(SourceName, configure: (cfg) => cfg.EnableSensitiveData = true) // enable telemetry at the agent level
     .Build();
 
-var session = await agent.CreateSessionAsync();
+var session = await agent.GetNewSessionAsync();
 
 appLogger.LogInformation("Agent created successfully with ID: {AgentId}", agent.Id);
 

dotnet/samples/GettingStarted/AgentProviders/Agent_With_Anthropic/Program.cs

@@ -17,14 +17,11 @@ string? apiKey = Environment.GetEnvironmentVariable("ANTHROPIC_API_KEY");
 const string JokerInstructions = "You are good at telling jokes.";
 const string JokerName = "JokerAgent";
 
-// WARNING: DefaultAzureCredential is convenient for development but requires careful consideration in production.
-// In production, consider using a specific credential (e.g., ManagedIdentityCredential) to avoid
-// latency issues, unintended credential probing, and potential security risks from fallback mechanisms.
 using AnthropicClient client = (resource is null)
     ? new AnthropicClient() { ApiKey = apiKey ?? throw new InvalidOperationException("ANTHROPIC_API_KEY is required when no ANTHROPIC_RESOURCE is provided") }  // If no resource is provided, use Anthropic public API
     : (apiKey is not null)
         ? new AnthropicFoundryClient(new AnthropicFoundryApiKeyCredentials(apiKey, resource)) // If an apiKey is provided, use Foundry with ApiKey authentication
-        : new AnthropicFoundryClient(new AnthropicFoundryIdentityTokenCredentials(new DefaultAzureCredential(), resource, ["https://ai.azure.com/.default"])); // Otherwise, use Foundry with Azure TokenCredential authentication
+        : new AnthropicFoundryClient(new AnthropicFoundryIdentityTokenCredentials(new AzureCliCredential(), resource, ["https://ai.azure.com/.default"])); // Otherwise, use Foundry with Azure TokenCredential authentication
 
 AIAgent agent = client.AsAIAgent(model: deploymentName, instructions: JokerInstructions, name: JokerName);
 

dotnet/samples/GettingStarted/AgentProviders/Agent_With_AzureAIAgentsPersistent/Program.cs

@@ -13,10 +13,7 @@ const string JokerName = "Joker";
 const string JokerInstructions = "You are good at telling jokes.";
 
 // Get a client to create/retrieve server side agents with.
-// WARNING: DefaultAzureCredential is convenient for development but requires careful consideration in production.
-// In production, consider using a specific credential (e.g., ManagedIdentityCredential) to avoid
-// latency issues, unintended credential probing, and potential security risks from fallback mechanisms.
-var persistentAgentsClient = new PersistentAgentsClient(endpoint, new DefaultAzureCredential());
+var persistentAgentsClient = new PersistentAgentsClient(endpoint, new AzureCliCredential());
 
 // You can create a server side persistent agent with the Azure.AI.Agents.Persistent SDK.
 var agentMetadata = await persistentAgentsClient.Administration.CreateAgentAsync(
@@ -34,7 +31,7 @@ AIAgent agent2 = await persistentAgentsClient.CreateAIAgentAsync(
     instructions: JokerInstructions);
 
 // You can then invoke the agent like any other AIAgent.
-AgentSession session = await agent1.CreateSessionAsync();
+AgentSession session = await agent1.GetNewSessionAsync();
 Console.WriteLine(await agent1.RunAsync("Tell me a joke about a pirate.", session));
 
 // Cleanup for sample purposes.

dotnet/samples/GettingStarted/AgentProviders/Agent_With_AzureAIProject/Program.cs

@@ -13,10 +13,7 @@ var deploymentName = Environment.GetEnvironmentVariable("AZURE_FOUNDRY_PROJECT_D
 const string JokerName = "JokerAgent";
 
 // Get a client to create/retrieve/delete server side agents with Azure Foundry Agents.
-// WARNING: DefaultAzureCredential is convenient for development but requires careful consideration in production.
-// In production, consider using a specific credential (e.g., ManagedIdentityCredential) to avoid
-// latency issues, unintended credential probing, and potential security risks from fallback mechanisms.
-var aiProjectClient = new AIProjectClient(new Uri(endpoint), new DefaultAzureCredential());
+var aiProjectClient = new AIProjectClient(new Uri(endpoint), new AzureCliCredential());
 
 // Define the agent you want to create. (Prompt Agent in this case)
 var agentVersionCreationOptions = new AgentVersionCreationOptions(new PromptAgentDefinition(model: deploymentName) { Instructions = "You are good at telling jokes." });
@@ -43,7 +40,7 @@ var latestAgentVersion = jokerAgentLatest.GetService<AgentVersion>()!;
 Console.WriteLine($"Latest agent version id: {latestAgentVersion.Id}");
 
 // Once you have the AIAgent, you can invoke it like any other AIAgent.
-AgentSession session = await jokerAgentLatest.CreateSessionAsync();
+AgentSession session = await jokerAgentLatest.GetNewSessionAsync();
 Console.WriteLine(await jokerAgentLatest.RunAsync("Tell me a joke about a pirate.", session));
 
 // This will use the same session to continue the conversation.

dotnet/samples/GettingStarted/AgentProviders/Agent_With_AzureFoundryModel/Program.cs

@@ -19,11 +19,8 @@ var model = Environment.GetEnvironmentVariable("AZURE_FOUNDRY_MODEL_DEPLOYMENT")
 var clientOptions = new OpenAIClientOptions() { Endpoint = new Uri(endpoint) };
 
 // Create the OpenAI client with either an API key or Azure CLI credential.
-// WARNING: DefaultAzureCredential is convenient for development but requires careful consideration in production.
-// In production, consider using a specific credential (e.g., ManagedIdentityCredential) to avoid
-// latency issues, unintended credential probing, and potential security risks from fallback mechanisms.
 OpenAIClient client = string.IsNullOrWhiteSpace(apiKey)
-    ? new OpenAIClient(new BearerTokenPolicy(new DefaultAzureCredential(), "https://ai.azure.com/.default"), clientOptions)
+    ? new OpenAIClient(new BearerTokenPolicy(new AzureCliCredential(), "https://ai.azure.com/.default"), clientOptions)
     : new OpenAIClient(new ApiKeyCredential(apiKey), clientOptions);
 
 AIAgent agent = client

dotnet/samples/GettingStarted/AgentProviders/Agent_With_AzureOpenAIChatCompletion/Program.cs

@@ -10,12 +10,9 @@ using OpenAI.Chat;
 var endpoint = Environment.GetEnvironmentVariable("AZURE_OPENAI_ENDPOINT") ?? throw new InvalidOperationException("AZURE_OPENAI_ENDPOINT is not set.");
 var deploymentName = Environment.GetEnvironmentVariable("AZURE_OPENAI_DEPLOYMENT_NAME") ?? "gpt-4o-mini";
 
-// WARNING: DefaultAzureCredential is convenient for development but requires careful consideration in production.
-// In production, consider using a specific credential (e.g., ManagedIdentityCredential) to avoid
-// latency issues, unintended credential probing, and potential security risks from fallback mechanisms.
 AIAgent agent = new AzureOpenAIClient(
     new Uri(endpoint),
-    new DefaultAzureCredential())
+    new AzureCliCredential())
      .GetChatClient(deploymentName)
      .AsAIAgent(instructions: "You are good at telling jokes.", name: "Joker");
 

dotnet/samples/GettingStarted/AgentProviders/Agent_With_AzureOpenAIResponses/Program.cs

@@ -10,12 +10,9 @@ using OpenAI.Responses;
 var endpoint = Environment.GetEnvironmentVariable("AZURE_OPENAI_ENDPOINT") ?? throw new InvalidOperationException("AZURE_OPENAI_ENDPOINT is not set.");
 var deploymentName = Environment.GetEnvironmentVariable("AZURE_OPENAI_DEPLOYMENT_NAME") ?? "gpt-4o-mini";
 
-// WARNING: DefaultAzureCredential is convenient for development but requires careful consideration in production.
-// In production, consider using a specific credential (e.g., ManagedIdentityCredential) to avoid
-// latency issues, unintended credential probing, and potential security risks from fallback mechanisms.
 AIAgent agent = new AzureOpenAIClient(
     new Uri(endpoint),
-    new DefaultAzureCredential())
+    new AzureCliCredential())
      .GetResponsesClient(deploymentName)
      .AsAIAgent(instructions: "You are good at telling jokes.", name: "Joker");
 

dotnet/samples/GettingStarted/AgentProviders/Agent_With_CustomImplementation/Program.cs

@@ -6,7 +6,6 @@
 
 using System.Runtime.CompilerServices;
 using System.Text.Json;
-using System.Text.Json.Serialization;
 using Microsoft.Agents.AI;
 using Microsoft.Extensions.AI;
 using SampleApp;
@@ -29,28 +28,16 @@ namespace SampleApp
     {
         public override string? Name => "UpperCaseParrotAgent";
 
-        public readonly ChatHistoryProvider ChatHistoryProvider = new InMemoryChatHistoryProvider();
-
-        protected override ValueTask<AgentSession> CreateSessionCoreAsync(CancellationToken cancellationToken = default)
+        public override ValueTask<AgentSession> GetNewSessionAsync(CancellationToken cancellationToken = default)
             => new(new CustomAgentSession());
 
-        protected override ValueTask<JsonElement> SerializeSessionCoreAsync(AgentSession session, JsonSerializerOptions? jsonSerializerOptions = null, CancellationToken cancellationToken = default)
-        {
-            if (session is not CustomAgentSession typedSession)
-            {
-                throw new ArgumentException($"The provided session is not of type {nameof(CustomAgentSession)}.", nameof(session));
-            }
-
-            return new(JsonSerializer.SerializeToElement(typedSession, jsonSerializerOptions));
-        }
-
-        protected override ValueTask<AgentSession> DeserializeSessionCoreAsync(JsonElement serializedState, JsonSerializerOptions? jsonSerializerOptions = null, CancellationToken cancellationToken = default)
-            => new(serializedState.Deserialize<CustomAgentSession>(jsonSerializerOptions)!);
+        public override ValueTask<AgentSession> DeserializeSessionAsync(JsonElement serializedSession, JsonSerializerOptions? jsonSerializerOptions = null, CancellationToken cancellationToken = default)
+            => new(new CustomAgentSession(serializedSession, jsonSerializerOptions));
 
         protected override async Task<AgentResponse> RunCoreAsync(IEnumerable<ChatMessage> messages, AgentSession? session = null, AgentRunOptions? options = null, CancellationToken cancellationToken = default)
         {
             // Create a session if the user didn't supply one.
-            session ??= await this.CreateSessionAsync(cancellationToken);
+            session ??= await this.GetNewSessionAsync(cancellationToken);
 
             if (session is not CustomAgentSession typedSession)
             {
@@ -58,15 +45,18 @@ namespace SampleApp
             }
 
             // Get existing messages from the store
-            var invokingContext = new ChatHistoryProvider.InvokingContext(this, session, messages);
-            var userAndChatHistoryMessages = await this.ChatHistoryProvider.InvokingAsync(invokingContext, cancellationToken);
+            var invokingContext = new ChatHistoryProvider.InvokingContext(messages);
+            var storeMessages = await typedSession.ChatHistoryProvider.InvokingAsync(invokingContext, cancellationToken);
 
             // Clone the input messages and turn them into response messages with upper case text.
             List<ChatMessage> responseMessages = CloneAndToUpperCase(messages, this.Name).ToList();
 
             // Notify the session of the input and output messages.
-            var invokedContext = new ChatHistoryProvider.InvokedContext(this, session, userAndChatHistoryMessages, responseMessages);
-            await this.ChatHistoryProvider.InvokedAsync(invokedContext, cancellationToken);
+            var invokedContext = new ChatHistoryProvider.InvokedContext(messages, storeMessages)
+            {
+                ResponseMessages = responseMessages
+            };
+            await typedSession.ChatHistoryProvider.InvokedAsync(invokedContext, cancellationToken);
 
             return new AgentResponse
             {
@@ -79,7 +69,7 @@ namespace SampleApp
         protected override async IAsyncEnumerable<AgentResponseUpdate> RunCoreStreamingAsync(IEnumerable<ChatMessage> messages, AgentSession? session = null, AgentRunOptions? options = null, [EnumeratorCancellation] CancellationToken cancellationToken = default)
         {
             // Create a session if the user didn't supply one.
-            session ??= await this.CreateSessionAsync(cancellationToken);
+            session ??= await this.GetNewSessionAsync(cancellationToken);
 
             if (session is not CustomAgentSession typedSession)
             {
@@ -87,15 +77,18 @@ namespace SampleApp
             }
 
             // Get existing messages from the store
-            var invokingContext = new ChatHistoryProvider.InvokingContext(this, session, messages);
-            var userAndChatHistoryMessages = await this.ChatHistoryProvider.InvokingAsync(invokingContext, cancellationToken);
+            var invokingContext = new ChatHistoryProvider.InvokingContext(messages);
+            var storeMessages = await typedSession.ChatHistoryProvider.InvokingAsync(invokingContext, cancellationToken);
 
             // Clone the input messages and turn them into response messages with upper case text.
             List<ChatMessage> responseMessages = CloneAndToUpperCase(messages, this.Name).ToList();
 
             // Notify the session of the input and output messages.
-            var invokedContext = new ChatHistoryProvider.InvokedContext(this, session, userAndChatHistoryMessages, responseMessages);
-            await this.ChatHistoryProvider.InvokedAsync(invokedContext, cancellationToken);
+            var invokedContext = new ChatHistoryProvider.InvokedContext(messages, storeMessages)
+            {
+                ResponseMessages = responseMessages
+            };
+            await typedSession.ChatHistoryProvider.InvokedAsync(invokedContext, cancellationToken);
 
             foreach (var message in responseMessages)
             {
@@ -137,16 +130,12 @@ namespace SampleApp
         /// <summary>
         /// A session type for our custom agent that only supports in memory storage of messages.
         /// </summary>
-        internal sealed class CustomAgentSession : AgentSession
+        internal sealed class CustomAgentSession : InMemoryAgentSession
         {
-            internal CustomAgentSession()
-            {
-            }
+            internal CustomAgentSession() { }
 
-            [JsonConstructor]
-            internal CustomAgentSession(AgentSessionStateBag stateBag) : base(stateBag)
-            {
-            }
+            internal CustomAgentSession(JsonElement serializedSessionState, JsonSerializerOptions? jsonSerializerOptions = null)
+                : base(serializedSessionState, jsonSerializerOptions) { }
         }
     }
 }

dotnet/samples/GettingStarted/AgentProviders/Agent_With_OpenAIAssistants/Program.cs

@@ -33,7 +33,7 @@ AIAgent agent2 = await assistantClient.CreateAIAgentAsync(
     instructions: JokerInstructions);
 
 // You can invoke the agent like any other AIAgent.
-AgentSession session = await agent1.CreateSessionAsync();
+AgentSession session = await agent1.GetNewSessionAsync();
 Console.WriteLine(await agent1.RunAsync("Tell me a joke about a pirate.", session));
 
 // Cleanup for sample purposes.

dotnet/samples/GettingStarted/AgentWithAnthropic/Agent_Anthropic_Step03_UsingFunctionTools/Program.cs

@@ -26,11 +26,11 @@ AIAgent agent = new AnthropicClient { ApiKey = apiKey }
     .AsAIAgent(model: model, instructions: AssistantInstructions, name: AssistantName, tools: [tool]);
 
 // Non-streaming agent interaction with function tools.
-AgentSession session = await agent.CreateSessionAsync();
+AgentSession session = await agent.GetNewSessionAsync();
 Console.WriteLine(await agent.RunAsync("What is the weather like in Amsterdam?", session));
 
 // Streaming agent interaction with function tools.
-session = await agent.CreateSessionAsync();
+session = await agent.GetNewSessionAsync();
 await foreach (AgentResponseUpdate update in agent.RunStreamingAsync("What is the weather like in Amsterdam?", session))
 {
     Console.WriteLine(update);

dotnet/samples/GettingStarted/AgentWithAnthropic/Agent_Anthropic_Step04_UsingSkills/Agent_Anthropic_Step04_UsingSkills.csproj

@@ -1,15 +0,0 @@
-<Project Sdk="Microsoft.NET.Sdk">
-
-  <PropertyGroup>
-    <OutputType>Exe</OutputType>
-    <TargetFramework>net10.0</TargetFramework>
-
-    <Nullable>enable</Nullable>
-    <ImplicitUsings>enable</ImplicitUsings>
-  </PropertyGroup>
-
-  <ItemGroup>
-    <ProjectReference Include="..\..\..\..\src\Microsoft.Agents.AI.Anthropic\Microsoft.Agents.AI.Anthropic.csproj" />
-  </ItemGroup>
-
-</Project>

dotnet/samples/GettingStarted/AgentWithAnthropic/Agent_Anthropic_Step04_UsingSkills/Program.cs

@@ -1,127 +0,0 @@
-// Copyright (c) Microsoft. All rights reserved.
-
-// This sample demonstrates how to use Anthropic-managed Skills with an AI agent.
-// Skills are pre-built capabilities provided by Anthropic that can be used with the Claude API.
-// This sample shows how to:
-// 1. List available Anthropic-managed skills
-// 2. Use the pptx skill to create PowerPoint presentations
-// 3. Download and save generated files
-
-using Anthropic;
-using Anthropic.Core;
-using Anthropic.Models.Beta;
-using Anthropic.Models.Beta.Files;
-using Anthropic.Models.Beta.Messages;
-using Anthropic.Models.Beta.Skills;
-using Anthropic.Services;
-using Microsoft.Agents.AI;
-using Microsoft.Extensions.AI;
-
-string apiKey = Environment.GetEnvironmentVariable("ANTHROPIC_API_KEY") ?? throw new InvalidOperationException("ANTHROPIC_API_KEY is not set.");
-// Skills require Claude 4.5 models (Sonnet 4.5, Haiku 4.5, or Opus 4.5)
-string model = Environment.GetEnvironmentVariable("ANTHROPIC_MODEL") ?? "claude-sonnet-4-5-20250929";
-
-// Create the Anthropic client
-AnthropicClient anthropicClient = new() { ApiKey = apiKey };
-
-// List available Anthropic-managed skills (optional - API may not be available in all regions)
-Console.WriteLine("Available Anthropic-managed skills:");
-try
-{
-    SkillListPage skills = await anthropicClient.Beta.Skills.List(
-        new SkillListParams { Source = "anthropic", Betas = [AnthropicBeta.Skills2025_10_02] });
-
-    foreach (var skill in skills.Items)
-    {
-        Console.WriteLine($"  {skill.Source}: {skill.ID} (version: {skill.LatestVersion})");
-    }
-}
-catch (Exception ex)
-{
-    Console.WriteLine($"  (Skills listing not available: {ex.Message})");
-}
-
-Console.WriteLine();
-
-// Define the pptx skill - the SDK handles all beta flags and container configuration automatically
-// when using AsAITool(), so no manual RawRepresentationFactory configuration is needed.
-BetaSkillParams pptxSkill = new()
-{
-    Type = BetaSkillParamsType.Anthropic,
-    SkillID = "pptx",
-    Version = "latest"
-};
-
-// Create an agent with the pptx skill enabled.
-// Skills require extended thinking and higher max tokens for complex file generation.
-// The SDK's AsAITool() handles beta flags and container config automatically.
-ChatClientAgent agent = anthropicClient.Beta.AsAIAgent(
-    model: model,
-    instructions: "You are a helpful agent for creating PowerPoint presentations.",
-    tools: [pptxSkill.AsAITool()],
-    clientFactory: (chatClient) => chatClient
-        .AsBuilder()
-        .ConfigureOptions(options =>
-        {
-            options.RawRepresentationFactory = (_) => new MessageCreateParams()
-            {
-                Model = model,
-                MaxTokens = 20000,
-                Messages = [],
-                Thinking = new BetaThinkingConfigParam(
-                    new BetaThinkingConfigEnabled(budgetTokens: 10000))
-            };
-        })
-        .Build());
-
-Console.WriteLine("Creating a presentation about renewable energy...\n");
-
-// Run the agent with a request to create a presentation
-AgentResponse response = await agent.RunAsync("Create a simple 3-slide presentation about renewable energy sources. Include a title slide, a slide about solar energy, and a slide about wind energy.");
-
-Console.WriteLine("#### Agent Response ####");
-Console.WriteLine(response.Text);
-
-// Display any reasoning/thinking content
-List<TextReasoningContent> reasoningContents = response.Messages.SelectMany(m => m.Contents.OfType<TextReasoningContent>()).ToList();
-if (reasoningContents.Count > 0)
-{
-    Console.WriteLine("\n#### Agent Reasoning ####");
-    Console.WriteLine($"\e[92m{string.Join("\n", reasoningContents.Select(c => c.Text))}\e[0m");
-}
-
-// Collect generated files from CodeInterpreterToolResultContent outputs
-List<HostedFileContent> hostedFiles = response.Messages
-    .SelectMany(m => m.Contents.OfType<CodeInterpreterToolResultContent>())
-    .Where(c => c.Outputs is not null)
-    .SelectMany(c => c.Outputs!.OfType<HostedFileContent>())
-    .ToList();
-
-if (hostedFiles.Count > 0)
-{
-    Console.WriteLine("\n#### Generated Files ####");
-    foreach (HostedFileContent file in hostedFiles)
-    {
-        Console.WriteLine($"  FileId: {file.FileId}");
-
-        // Download the file using the Anthropic Files API
-        using HttpResponse fileResponse = await anthropicClient.Beta.Files.Download(
-            file.FileId,
-            new FileDownloadParams { Betas = ["files-api-2025-04-14"] });
-
-        // Save the file to disk
-        string fileName = $"presentation_{file.FileId.Substring(0, 8)}.pptx";
-        using FileStream fileStream = File.Create(fileName);
-        Stream contentStream = await fileResponse.ReadAsStream();
-        await contentStream.CopyToAsync(fileStream);
-
-        Console.WriteLine($"  Saved to: {fileName}");
-    }
-}
-
-Console.WriteLine("\nToken usage:");
-Console.WriteLine($"Input: {response.Usage?.InputTokenCount}, Output: {response.Usage?.OutputTokenCount}");
-if (response.Usage?.AdditionalCounts is not null)
-{
-    Console.WriteLine($"Additional: {string.Join(", ", response.Usage.AdditionalCounts)}");
-}

dotnet/samples/GettingStarted/AgentWithAnthropic/Agent_Anthropic_Step04_UsingSkills/README.md

@@ -1,119 +0,0 @@
-# Using Anthropic Skills with agents
-
-This sample demonstrates how to use Anthropic-managed Skills with AI agents. Skills are pre-built capabilities provided by Anthropic that can be used with the Claude API.
-
-## What this sample demonstrates
-
-- Listing available Anthropic-managed skills
-- Creating an AI agent with Anthropic Claude Skills support using the simplified `AsAITool()` approach
-- Using the pptx skill to create PowerPoint presentations
-- Downloading and saving generated files to disk
-- Handling agent responses with generated content
-
-## Prerequisites
-
-Before you begin, ensure you have the following prerequisites:
-
-- .NET 10.0 SDK or later
-- Anthropic API key configured
-- Access to Anthropic Claude models with Skills support
-
-**Note**: This sample uses Anthropic Claude models with Skills. Skills are a beta feature. For more information, see [Anthropic documentation](https://docs.anthropic.com/).
-
-Set the following environment variables:
-
-```powershell
-$env:ANTHROPIC_API_KEY="your-anthropic-api-key"  # Replace with your Anthropic API key
-$env:ANTHROPIC_MODEL="your-anthropic-model"  # Replace with your Anthropic model (e.g., claude-sonnet-4-5-20250929)
-```
-
-## Run the sample
-
-Navigate to the AgentWithAnthropic sample directory and run:
-
-```powershell
-cd dotnet\samples\GettingStarted\AgentWithAnthropic
-dotnet run --project .\Agent_Anthropic_Step04_UsingSkills
-```
-
-## Available Anthropic Skills
-
-Anthropic provides several managed skills that can be used with the Claude API:
-
-- `pptx` - Create PowerPoint presentations
-- `xlsx` - Create Excel spreadsheets
-- `docx` - Create Word documents
-- `pdf` - Create and analyze PDF documents
-
-You can list available skills using the Anthropic SDK:
-
-```csharp
-SkillListPage skills = await anthropicClient.Beta.Skills.List(
-    new SkillListParams { Source = "anthropic", Betas = [AnthropicBeta.Skills2025_10_02] });
-
-foreach (var skill in skills.Items)
-{
-    Console.WriteLine($"{skill.Source}: {skill.ID} (version: {skill.LatestVersion})");
-}
-```
-
-## Expected behavior
-
-The sample will:
-
-1. List all available Anthropic-managed skills
-2. Create an agent with the pptx skill enabled
-3. Run the agent with a request to create a presentation
-4. Display the agent's response text
-5. Download any generated files and save them to disk
-6. Display token usage statistics
-
-## Code highlights
-
-### Simplified skill configuration
-
-The Anthropic SDK handles all beta flags and container configuration automatically when using `AsAITool()`:
-
-```csharp
-// Define the pptx skill
-BetaSkillParams pptxSkill = new()
-{
-    Type = BetaSkillParamsType.Anthropic,
-    SkillID = "pptx",
-    Version = "latest"
-};
-
-// Create an agent - the SDK handles beta flags automatically!
-ChatClientAgent agent = anthropicClient.Beta.AsAIAgent(
-    model: model,
-    instructions: "You are a helpful agent for creating PowerPoint presentations.",
-    tools: [pptxSkill.AsAITool()]);
-```
-
-**Note**: No manual `RawRepresentationFactory`, `Betas`, or `Container` configuration is needed. The SDK automatically adds the required beta headers (`skills-2025-10-02`, `code-execution-2025-08-25`) and configures the container with the skill.
-
-### Handling generated files
-
-Generated files are returned as `HostedFileContent` within `CodeInterpreterToolResultContent`:
-
-```csharp
-// Collect generated files from response
-List<HostedFileContent> hostedFiles = response.Messages
-    .SelectMany(m => m.Contents.OfType<CodeInterpreterToolResultContent>())
-    .Where(c => c.Outputs is not null)
-    .SelectMany(c => c.Outputs!.OfType<HostedFileContent>())
-    .ToList();
-
-// Download and save each file
-foreach (HostedFileContent file in hostedFiles)
-{
-    using HttpResponse fileResponse = await anthropicClient.Beta.Files.Download(
-        file.FileId,
-        new FileDownloadParams { Betas = ["files-api-2025-04-14"] });
-
-    string fileName = $"presentation_{file.FileId.Substring(0, 8)}.pptx";
-    await using FileStream fileStream = File.Create(fileName);
-    Stream contentStream = await fileResponse.ReadAsStream();
-    await contentStream.CopyToAsync(fileStream);
-}
-```

dotnet/samples/GettingStarted/AgentWithAnthropic/README.md

@@ -29,7 +29,6 @@ To use Anthropic with Azure Foundry, you can check the sample [AgentProviders/Ag
 |[Running a simple agent](./Agent_Anthropic_Step01_Running/)|This sample demonstrates how to create and run a basic agent with Anthropic Claude|
 |[Using reasoning with an agent](./Agent_Anthropic_Step02_Reasoning/)|This sample demonstrates how to use extended thinking/reasoning capabilities with Anthropic Claude agents|
 |[Using function tools with an agent](./Agent_Anthropic_Step03_UsingFunctionTools/)|This sample demonstrates how to use function tools with an Anthropic Claude agent|
-|[Using Skills with an agent](./Agent_Anthropic_Step04_UsingSkills/)|This sample demonstrates how to use Anthropic-managed Skills (e.g., pptx) with an Anthropic Claude agent|
 
 ## Running the samples from the console
 

dotnet/samples/GettingStarted/AgentWithMemory/AgentWithMemory_Step01_ChatHistoryMemory/Program.cs

@@ -20,10 +20,7 @@ var embeddingDeploymentName = Environment.GetEnvironmentVariable("AZURE_OPENAI_E
 // Replace this with a vector store implementation of your choice that can persist the chat history long term.
 VectorStore vectorStore = new InMemoryVectorStore(new InMemoryVectorStoreOptions()
 {
-    // WARNING: DefaultAzureCredential is convenient for development but requires careful consideration in production.
-    // In production, consider using a specific credential (e.g., ManagedIdentityCredential) to avoid
-    // latency issues, unintended credential probing, and potential security risks from fallback mechanisms.
-    EmbeddingGenerator = new AzureOpenAIClient(new Uri(endpoint), new DefaultAzureCredential())
+    EmbeddingGenerator = new AzureOpenAIClient(new Uri(endpoint), new AzureCliCredential())
         .GetEmbeddingClient(embeddingDeploymentName)
         .AsIEmbeddingGenerator()
 });
@@ -31,38 +28,33 @@ VectorStore vectorStore = new InMemoryVectorStore(new InMemoryVectorStoreOptions
 // Create the agent and add the ChatHistoryMemoryProvider to store chat messages in the vector store.
 AIAgent agent = new AzureOpenAIClient(
     new Uri(endpoint),
-    new DefaultAzureCredential())
+    new AzureCliCredential())
     .GetChatClient(deploymentName)
     .AsAIAgent(new ChatClientAgentOptions
     {
         ChatOptions = new() { Instructions = "You are good at telling jokes." },
         Name = "Joker",
-        AIContextProviders = [new ChatHistoryMemoryProvider(
+        AIContextProviderFactory = (ctx, ct) => new ValueTask<AIContextProvider>(new ChatHistoryMemoryProvider(
             vectorStore,
             collectionName: "chathistory",
             vectorDimensions: 3072,
-            // Callback to configure the initial state of the ChatHistoryMemoryProvider.
-            // The ChatHistoryMemoryProvider stores its state in the AgentSession and this callback
-            // will be called whenever the ChatHistoryMemoryProvider cannot find existing state in the session,
-            // typically the first time it is used with a new session.
-            session => new ChatHistoryMemoryProvider.State(
-                // Configure the scope values under which chat messages will be stored.
-                // In this case, we are using a fixed user ID and a unique session ID for each new session.
-                storageScope: new() { UserId = "UID1", SessionId = Guid.NewGuid().ToString() },
-                // Configure the scope which would be used to search for relevant prior messages.
-                // In this case, we are searching for any messages for the user across all sessions.
-                searchScope: new() { UserId = "UID1" }))]
+            // Configure the scope values under which chat messages will be stored.
+            // In this case, we are using a fixed user ID and a unique session ID for each new session.
+            storageScope: new() { UserId = "UID1", SessionId = Guid.NewGuid().ToString() },
+            // Configure the scope which would be used to search for relevant prior messages.
+            // In this case, we are searching for any messages for the user across all sessions.
+            searchScope: new() { UserId = "UID1" }))
     });
 
 // Start a new session for the agent conversation.
-AgentSession session = await agent.CreateSessionAsync();
+AgentSession session = await agent.GetNewSessionAsync();
 
 // Run the agent with the session that stores conversation history in the vector store.
 Console.WriteLine(await agent.RunAsync("I like jokes about Pirates. Tell me a joke about a pirate.", session));
 
 // Start a second session. Since we configured the search scope to be across all sessions for the user,
 // the agent should remember that the user likes pirate jokes.
-AgentSession? session2 = await agent.CreateSessionAsync();
+AgentSession? session2 = await agent.GetNewSessionAsync();
 
 // Run the agent with the second session.
 Console.WriteLine(await agent.RunAsync("Tell me a joke that I might like.", session2));

dotnet/samples/GettingStarted/AgentWithMemory/AgentWithMemory_Step02_MemoryUsingMem0/Program.cs

@@ -24,31 +24,27 @@ using HttpClient mem0HttpClient = new();
 mem0HttpClient.BaseAddress = new Uri(mem0ServiceUri);
 mem0HttpClient.DefaultRequestHeaders.Authorization = new AuthenticationHeaderValue("Token", mem0ApiKey);
 
-// WARNING: DefaultAzureCredential is convenient for development but requires careful consideration in production.
-// In production, consider using a specific credential (e.g., ManagedIdentityCredential) to avoid
-// latency issues, unintended credential probing, and potential security risks from fallback mechanisms.
 AIAgent agent = new AzureOpenAIClient(
     new Uri(endpoint),
-    new DefaultAzureCredential())
+    new AzureCliCredential())
     .GetChatClient(deploymentName)
     .AsAIAgent(new ChatClientAgentOptions()
     {
         ChatOptions = new() { Instructions = "You are a friendly travel assistant. Use known memories about the user when responding, and do not invent details." },
-        // The stateInitializer can be used to customize the Mem0 scope per session and it will be called each time a session
-        // is encountered by the Mem0Provider that does not already have Mem0Provider state stored on the session.
-        // If each session should have its own Mem0 scope, you can create a new id per session via the stateInitializer, e.g.:
-        // new Mem0Provider(mem0HttpClient, stateInitializer: _ => new(new Mem0ProviderScope() { ThreadId = Guid.NewGuid().ToString() }))
-        // In our case we are storing memories scoped by application and user instead so that memories are retained across threads.
-        AIContextProviders = [new Mem0Provider(mem0HttpClient, stateInitializer: _ => new(new Mem0ProviderScope() { ApplicationId = "getting-started-agents", UserId = "sample-user" }))]
+        AIContextProviderFactory = (ctx, ct) => new ValueTask<AIContextProvider>(ctx.SerializedState.ValueKind is not JsonValueKind.Null and not JsonValueKind.Undefined
+            // If each session should have its own Mem0 scope, you can create a new id per session here:
+            // ? new Mem0Provider(mem0HttpClient, new Mem0ProviderScope() { ThreadId = Guid.NewGuid().ToString() })
+            // In this case we are storing memories scoped by application and user instead so that memories are retained across threads.
+            ? new Mem0Provider(mem0HttpClient, new Mem0ProviderScope() { ApplicationId = "getting-started-agents", UserId = "sample-user" })
+            // For cases where we are restoring from serialized state:
+            : new Mem0Provider(mem0HttpClient, ctx.SerializedState, ctx.JsonSerializerOptions))
     });
 
-AgentSession session = await agent.CreateSessionAsync();
+AgentSession session = await agent.GetNewSessionAsync();
 
 // Clear any existing memories for this scope to demonstrate fresh behavior.
-// Note that the ClearStoredMemoriesAsync method will clear memories
-// using the scope stored in the session, or provided via the stateInitializer.
-Mem0Provider mem0Provider = agent.GetService<Mem0Provider>()!;
-await mem0Provider.ClearStoredMemoriesAsync(session);
+Mem0Provider mem0Provider = session.GetService<Mem0Provider>()!;
+await mem0Provider.ClearStoredMemoriesAsync();
 
 Console.WriteLine(await agent.RunAsync("Hi there! My name is Taylor and I'm planning a hiking trip to Patagonia in November.", session));
 Console.WriteLine(await agent.RunAsync("I'm travelling with my sister and we love finding scenic viewpoints.", session));
@@ -59,10 +55,10 @@ await Task.Delay(TimeSpan.FromSeconds(2));
 Console.WriteLine(await agent.RunAsync("What do you already know about my upcoming trip?", session));
 
 Console.WriteLine("\n>> Serialize and deserialize the session to demonstrate persisted state\n");
-JsonElement serializedSession = await agent.SerializeSessionAsync(session);
+JsonElement serializedSession = session.Serialize();
 AgentSession restoredSession = await agent.DeserializeSessionAsync(serializedSession);
 Console.WriteLine(await agent.RunAsync("Can you recap the personal details you remember?", restoredSession));
 
 Console.WriteLine("\n>> Start a new session that shares the same Mem0 scope\n");
-AgentSession newSession = await agent.CreateSessionAsync();
+AgentSession newSession = await agent.GetNewSessionAsync();
 Console.WriteLine(await agent.RunAsync("Summarize what you already know about me.", newSession));

dotnet/samples/GettingStarted/AgentWithMemory/AgentWithMemory_Step03_CustomMemory/Program.cs

@@ -18,12 +18,9 @@ using SampleApp;
 var endpoint = Environment.GetEnvironmentVariable("AZURE_OPENAI_ENDPOINT") ?? throw new InvalidOperationException("AZURE_OPENAI_ENDPOINT is not set.");
 var deploymentName = Environment.GetEnvironmentVariable("AZURE_OPENAI_DEPLOYMENT_NAME") ?? "gpt-4o-mini";
 
-// WARNING: DefaultAzureCredential is convenient for development but requires careful consideration in production.
-// In production, consider using a specific credential (e.g., ManagedIdentityCredential) to avoid
-// latency issues, unintended credential probing, and potential security risks from fallback mechanisms.
 ChatClient chatClient = new AzureOpenAIClient(
     new Uri(endpoint),
-    new DefaultAzureCredential())
+    new AzureCliCredential())
     .GetChatClient(deploymentName);
 
 // Create the agent and provide a factory to add our custom memory component to
@@ -36,11 +33,11 @@ ChatClient chatClient = new AzureOpenAIClient(
 AIAgent agent = chatClient.AsAIAgent(new ChatClientAgentOptions()
 {
     ChatOptions = new() { Instructions = "You are a friendly assistant. Always address the user by their name." },
-    AIContextProviders = [new UserInfoMemory(chatClient.AsIChatClient())]
+    AIContextProviderFactory = (ctx, ct) => new ValueTask<AIContextProvider>(new UserInfoMemory(chatClient.AsIChatClient(), ctx.SerializedState, ctx.JsonSerializerOptions))
 });
 
 // Create a new session for the conversation.
-AgentSession session = await agent.CreateSessionAsync();
+AgentSession session = await agent.GetNewSessionAsync();
 
 Console.WriteLine(">> Use session with blank memory\n");
 
@@ -50,7 +47,7 @@ Console.WriteLine(await agent.RunAsync("My name is Ruaidhrí", session));
 Console.WriteLine(await agent.RunAsync("I am 20 years old", session));
 
 // We can serialize the session. The serialized state will include the state of the memory component.
-JsonElement sesionElement = await agent.SerializeSessionAsync(session);
+var sesionElement = session.Serialize();
 
 Console.WriteLine("\n>> Use deserialized session with previously created memories\n");
 
@@ -58,10 +55,10 @@ Console.WriteLine("\n>> Use deserialized session with previously created memorie
 var deserializedSession = await agent.DeserializeSessionAsync(sesionElement);
 Console.WriteLine(await agent.RunAsync("What is my name and age?", deserializedSession));
 
-Console.WriteLine("\n>> Read memories using memory component\n");
+Console.WriteLine("\n>> Read memories from memory component\n");
 
-// It's possible to access the memory component via the agent's GetService method.
-var userInfo = agent.GetService<UserInfoMemory>()?.GetUserInfo(deserializedSession);
+// It's possible to access the memory component via the session's GetService method.
+var userInfo = deserializedSession.GetService<UserInfoMemory>()?.UserInfo;
 
 // Output the user info that was captured by the memory component.
 Console.WriteLine($"MEMORY - User Name: {userInfo?.UserName}");
@@ -69,12 +66,12 @@ Console.WriteLine($"MEMORY - User Age: {userInfo?.UserAge}");
 
 Console.WriteLine("\n>> Use new session with previously created memories\n");
 
-// It is also possible to set the memories using a memory component on an individual session.
+// It is also possible to set the memories in a memory component on an individual session.
 // This is useful if we want to start a new session, but have it share the same memories as a previous session.
-var newSession = await agent.CreateSessionAsync();
-if (userInfo is not null && agent.GetService<UserInfoMemory>() is UserInfoMemory newSessionMemory)
+var newSession = await agent.GetNewSessionAsync();
+if (userInfo is not null && newSession.GetService<UserInfoMemory>() is UserInfoMemory newSessionMemory)
 {
-    newSessionMemory.SetUserInfo(newSession, userInfo);
+    newSessionMemory.UserInfo = userInfo;
 }
 
 // Invoke the agent and output the text result.
@@ -88,32 +85,29 @@ namespace SampleApp
     /// </summary>
     internal sealed class UserInfoMemory : AIContextProvider
     {
-        private readonly ProviderSessionState<UserInfo> _sessionState;
         private readonly IChatClient _chatClient;
 
-        public UserInfoMemory(IChatClient chatClient, Func<AgentSession?, UserInfo>? stateInitializer = null)
-            : base(null, null)
+        public UserInfoMemory(IChatClient chatClient, UserInfo? userInfo = null)
         {
-            this._sessionState = new ProviderSessionState<UserInfo>(
-                stateInitializer ?? (_ => new UserInfo()),
-                this.GetType().Name);
             this._chatClient = chatClient;
+            this.UserInfo = userInfo ?? new UserInfo();
         }
 
-        public override string StateKey => this._sessionState.StateKey;
-
-        public UserInfo GetUserInfo(AgentSession session)
-            => this._sessionState.GetOrInitializeState(session);
-
-        public void SetUserInfo(AgentSession session, UserInfo userInfo)
-            => this._sessionState.SaveState(session, userInfo);
-
-        protected override async ValueTask StoreAIContextAsync(InvokedContext context, CancellationToken cancellationToken = default)
+        public UserInfoMemory(IChatClient chatClient, JsonElement serializedState, JsonSerializerOptions? jsonSerializerOptions = null)
         {
-            var userInfo = this._sessionState.GetOrInitializeState(context.Session);
+            this._chatClient = chatClient;
 
+            this.UserInfo = serializedState.ValueKind == JsonValueKind.Object ?
+                serializedState.Deserialize<UserInfo>(jsonSerializerOptions)! :
+                new UserInfo();
+        }
+
+        public UserInfo UserInfo { get; set; }
+
+        public override async ValueTask InvokedAsync(InvokedContext context, CancellationToken cancellationToken = default)
+        {
             // Try and extract the user name and age from the message if we don't have it already and it's a user message.
-            if ((userInfo.UserName is null || userInfo.UserAge is null) && context.RequestMessages.Any(x => x.Role == ChatRole.User))
+            if ((this.UserInfo.UserName is null || this.UserInfo.UserAge is null) && context.RequestMessages.Any(x => x.Role == ChatRole.User))
             {
                 var result = await this._chatClient.GetResponseAsync<UserInfo>(
                     context.RequestMessages,
@@ -123,35 +117,36 @@ namespace SampleApp
                     },
                     cancellationToken: cancellationToken);
 
-                userInfo.UserName ??= result.Result.UserName;
-                userInfo.UserAge ??= result.Result.UserAge;
+                this.UserInfo.UserName ??= result.Result.UserName;
+                this.UserInfo.UserAge ??= result.Result.UserAge;
             }
-
-            this._sessionState.SaveState(context.Session, userInfo);
         }
 
-        protected override ValueTask<AIContext> ProvideAIContextAsync(InvokingContext context, CancellationToken cancellationToken = default)
+        public override ValueTask<AIContext> InvokingAsync(InvokingContext context, CancellationToken cancellationToken = default)
         {
-            var userInfo = this._sessionState.GetOrInitializeState(context.Session);
-
             StringBuilder instructions = new();
 
             // If we don't already know the user's name and age, add instructions to ask for them, otherwise just provide what we have to the context.
             instructions
                 .AppendLine(
-                    userInfo.UserName is null ?
+                    this.UserInfo.UserName is null ?
                         "Ask the user for their name and politely decline to answer any questions until they provide it." :
-                        $"The user's name is {userInfo.UserName}.")
+                        $"The user's name is {this.UserInfo.UserName}.")
                 .AppendLine(
-                    userInfo.UserAge is null ?
+                    this.UserInfo.UserAge is null ?
                         "Ask the user for their age and politely decline to answer any questions until they provide it." :
-                        $"The user's age is {userInfo.UserAge}.");
+                        $"The user's age is {this.UserInfo.UserAge}.");
 
             return new ValueTask<AIContext>(new AIContext
             {
                 Instructions = instructions.ToString()
             });
         }
+
+        public override JsonElement Serialize(JsonSerializerOptions? jsonSerializerOptions = null)
+        {
+            return JsonSerializer.SerializeToElement(this.UserInfo, jsonSerializerOptions);
+        }
     }
 
     internal sealed class UserInfo

dotnet/samples/GettingStarted/AgentWithOpenAI/Agent_OpenAI_Step02_Reasoning/Program.cs

@@ -5,6 +5,7 @@
 using Microsoft.Agents.AI;
 using Microsoft.Extensions.AI;
 using OpenAI;
+using OpenAI.Responses;
 
 var apiKey = Environment.GetEnvironmentVariable("OPENAI_API_KEY") ?? throw new InvalidOperationException("OPENAI_API_KEY is not set.");
 var model = Environment.GetEnvironmentVariable("OPENAI_MODEL") ?? "gpt-5";
@@ -14,10 +15,14 @@ var client = new OpenAIClient(apiKey)
         .AsIChatClient().AsBuilder()
         .ConfigureOptions(o =>
         {
-            o.Reasoning = new()
+            o.RawRepresentationFactory = _ => new CreateResponseOptions()
             {
-                Effort = ReasoningEffort.Medium,
-                Output = ReasoningOutput.Full,
+                ReasoningOptions = new()
+                {
+                    ReasoningEffortLevel = ResponseReasoningEffortLevel.Medium,
+                    // Verbosity requires OpenAI verified Organization
+                    ReasoningSummaryVerbosity = ResponseReasoningSummaryVerbosity.Detailed
+                }
             };
         }).Build();
 

dotnet/samples/GettingStarted/AgentWithOpenAI/Agent_OpenAI_Step05_Conversation/Program.cs

@@ -30,7 +30,7 @@ using JsonDocument createConversationResultAsJson = JsonDocument.Parse(createCon
 string conversationId = createConversationResultAsJson.RootElement.GetProperty("id"u8)!.GetString()!;
 
 // Create a session for the conversation - this enables conversation state management for subsequent turns
-AgentSession session = await agent.CreateSessionAsync(conversationId);
+AgentSession session = await agent.GetNewSessionAsync(conversationId);
 
 Console.WriteLine("=== Multi-turn Conversation Demo ===\n");
 

dotnet/samples/GettingStarted/AgentWithOpenAI/Agent_OpenAI_Step05_Conversation/README.md

@@ -33,7 +33,7 @@ The `AgentSession` works with `ChatClientAgentRunOptions` to link the agent to a
 ChatClientAgentRunOptions agentRunOptions = new() { ChatOptions = new ChatOptions() { ConversationId = conversationId } };
 
 // Create a session for the conversation
-AgentSession session = await agent.CreateSessionAsync();
+AgentSession session = await agent.GetNewSessionAsync();
 
 // First call links the session to the conversation
 ChatCompletion firstResponse = await agent.RunAsync([firstMessage], session, agentRunOptions);
@@ -59,7 +59,7 @@ foreach (ClientResult result in getConversationItemsResults.GetRawPages())
 1. **Create an OpenAI Client**: Initialize an `OpenAIClient` with your API key
 2. **Create a Conversation**: Use `ConversationClient` to create a server-side conversation
 3. **Create an Agent**: Initialize an `OpenAIResponseClientAgent` with the desired model and instructions
-4. **Create a Session**: Call `agent.CreateSessionAsync()` to create a new conversation session
+4. **Create a Session**: Call `agent.GetNewSessionAsync()` to create a new conversation session
 5. **Link Session to Conversation**: Pass `ChatClientAgentRunOptions` with the `ConversationId` on the first call
 6. **Send Messages**: Subsequent calls to `agent.RunAsync()` only need the session - context is maintained
 7. **Cleanup**: Delete the conversation when done using `conversationClient.DeleteConversation()`

dotnet/samples/GettingStarted/AgentWithRAG/AgentWithRAG_Step01_BasicTextRAG/Program.cs

@@ -18,12 +18,9 @@ var endpoint = Environment.GetEnvironmentVariable("AZURE_OPENAI_ENDPOINT") ?? th
 var deploymentName = Environment.GetEnvironmentVariable("AZURE_OPENAI_DEPLOYMENT_NAME") ?? "gpt-4o-mini";
 var embeddingDeploymentName = Environment.GetEnvironmentVariable("AZURE_OPENAI_EMBEDDING_DEPLOYMENT_NAME") ?? "text-embedding-3-large";
 
-// WARNING: DefaultAzureCredential is convenient for development but requires careful consideration in production.
-// In production, consider using a specific credential (e.g., ManagedIdentityCredential) to avoid
-// latency issues, unintended credential probing, and potential security risks from fallback mechanisms.
 AzureOpenAIClient azureOpenAIClient = new(
     new Uri(endpoint),
-    new DefaultAzureCredential());
+    new AzureCliCredential());
 
 // Create an In-Memory vector store that uses the Azure OpenAI embedding model to generate embeddings.
 VectorStore vectorStore = new InMemoryVectorStore(new()
@@ -65,19 +62,15 @@ AIAgent agent = azureOpenAIClient
     .AsAIAgent(new ChatClientAgentOptions
     {
         ChatOptions = new() { Instructions = "You are a helpful support specialist for Contoso Outdoors. Answer questions using the provided context and cite the source document when available." },
-        AIContextProviders = [new TextSearchProvider(SearchAdapter, textSearchOptions)],
-        // Since we are using ChatCompletion which stores chat history locally, we can also add a message filter
+        AIContextProviderFactory = (ctx, ct) => new ValueTask<AIContextProvider>(new TextSearchProvider(SearchAdapter, ctx.SerializedState, ctx.JsonSerializerOptions, textSearchOptions)),
+        // Since we are using ChatCompletion which stores chat history locally, we can also add a message removal policy
         // that removes messages produced by the TextSearchProvider before they are added to the chat history, so that
         // we don't bloat chat history with all the search result messages.
-        // By default the chat history provider will store all messages, except for those that came from chat history in the first place.
-        // We also want to maintain that exclusion here.
-        ChatHistoryProvider = new InMemoryChatHistoryProvider(new InMemoryChatHistoryProviderOptions
-        {
-            StorageInputMessageFilter = messages => messages.Where(m => m.GetAgentRequestMessageSourceType() != AgentRequestMessageSourceType.AIContextProvider && m.GetAgentRequestMessageSourceType() != AgentRequestMessageSourceType.ChatHistory)
-        }),
+        ChatHistoryProviderFactory = (ctx, ct) => new ValueTask<ChatHistoryProvider>(new InMemoryChatHistoryProvider(ctx.SerializedState, ctx.JsonSerializerOptions)
+            .WithAIContextProviderMessageRemoval()),
     });
 
-AgentSession session = await agent.CreateSessionAsync();
+AgentSession session = await agent.GetNewSessionAsync();
 
 Console.WriteLine(">> Asking about returns\n");
 Console.WriteLine(await agent.RunAsync("Hi! I need help understanding the return policy.", session));

dotnet/samples/GettingStarted/AgentWithRAG/AgentWithRAG_Step02_CustomVectorStoreRAG/Program.cs

@@ -19,12 +19,9 @@ var embeddingDeploymentName = Environment.GetEnvironmentVariable("AZURE_OPENAI_E
 var afOverviewUrl = "https://github.com/MicrosoftDocs/semantic-kernel-docs/blob/main/agent-framework/overview/agent-framework-overview.md";
 var afMigrationUrl = "https://raw.githubusercontent.com/MicrosoftDocs/semantic-kernel-docs/refs/heads/main/agent-framework/migration-guide/from-semantic-kernel/index.md";
 
-// WARNING: DefaultAzureCredential is convenient for development but requires careful consideration in production.
-// In production, consider using a specific credential (e.g., ManagedIdentityCredential) to avoid
-// latency issues, unintended credential probing, and potential security risks from fallback mechanisms.
 AzureOpenAIClient azureOpenAIClient = new(
     new Uri(endpoint),
-    new DefaultAzureCredential());
+    new AzureCliCredential());
 
 // Create a Qdrant vector store that uses the Azure OpenAI embedding model to generate embeddings.
 QdrantClient client = new("localhost");
@@ -62,7 +59,7 @@ TextSearchProviderOptions textSearchOptions = new()
 {
     // Run the search prior to every model invocation.
     SearchTime = TextSearchProviderOptions.TextSearchBehavior.BeforeAIInvoke,
-    // Use up to 5 recent messages when searching so that searches
+    // Use up to 4 recent messages when searching so that searches
     // still produce valuable results even when the user is referring
     // back to previous messages in their request.
     RecentMessageMemoryLimit = 5
@@ -74,17 +71,10 @@ AIAgent agent = azureOpenAIClient
     .AsAIAgent(new ChatClientAgentOptions
     {
         ChatOptions = new() { Instructions = "You are a helpful support specialist for the Microsoft Agent Framework. Answer questions using the provided context and cite the source document when available. Keep responses brief." },
-        AIContextProviders = [new TextSearchProvider(SearchAdapter, textSearchOptions)],
-        // Configure a filter on the InMemoryChatHistoryProvider so that we don't persist the messages produced by the TextSearchProvider in chat history.
-        // The default is to persist all messages except those that came from chat history in the first place.
-        // You may choose to persist the TextSearchProvider messages, if you want the search output to be provided to the model in future interactions as well.
-        ChatHistoryProvider = new InMemoryChatHistoryProvider(new InMemoryChatHistoryProviderOptions()
-        {
-            StorageInputMessageFilter = msgs => msgs.Where(m => m.GetAgentRequestMessageSourceType() != AgentRequestMessageSourceType.ChatHistory && m.GetAgentRequestMessageSourceType() != AgentRequestMessageSourceType.AIContextProvider)
-        })
+        AIContextProviderFactory = (ctx, ct) => new ValueTask<AIContextProvider>(new TextSearchProvider(SearchAdapter, ctx.SerializedState, ctx.JsonSerializerOptions, textSearchOptions))
     });
 
-AgentSession session = await agent.CreateSessionAsync();
+AgentSession session = await agent.GetNewSessionAsync();
 
 Console.WriteLine(">> Asking about SK sessions\n");
 Console.WriteLine(await agent.RunAsync("Hi! How do I create a thread/session in Semantic Kernel?", session));

dotnet/samples/GettingStarted/AgentWithRAG/AgentWithRAG_Step03_CustomRAGDataSource/Program.cs

@@ -22,20 +22,17 @@ TextSearchProviderOptions textSearchOptions = new()
     RecentMessageMemoryLimit = 6,
 };
 
-// WARNING: DefaultAzureCredential is convenient for development but requires careful consideration in production.
-// In production, consider using a specific credential (e.g., ManagedIdentityCredential) to avoid
-// latency issues, unintended credential probing, and potential security risks from fallback mechanisms.
 AIAgent agent = new AzureOpenAIClient(
     new Uri(endpoint),
-    new DefaultAzureCredential())
+    new AzureCliCredential())
     .GetChatClient(deploymentName)
     .AsAIAgent(new ChatClientAgentOptions
     {
         ChatOptions = new() { Instructions = "You are a helpful support specialist for Contoso Outdoors. Answer questions using the provided context and cite the source document when available." },
-        AIContextProviders = [new TextSearchProvider(MockSearchAsync, textSearchOptions)]
+        AIContextProviderFactory = (ctx, ct) => new ValueTask<AIContextProvider>(new TextSearchProvider(MockSearchAsync, ctx.SerializedState, ctx.JsonSerializerOptions, textSearchOptions))
     });
 
-AgentSession session = await agent.CreateSessionAsync();
+AgentSession session = await agent.GetNewSessionAsync();
 
 Console.WriteLine(">> Asking about returns\n");
 Console.WriteLine(await agent.RunAsync("Hi! I need help understanding the return policy.", session));

dotnet/samples/GettingStarted/AgentWithRAG/AgentWithRAG_Step04_FoundryServiceRAG/Program.cs

@@ -15,12 +15,9 @@ var endpoint = Environment.GetEnvironmentVariable("AZURE_FOUNDRY_PROJECT_ENDPOIN
 var deploymentName = Environment.GetEnvironmentVariable("AZURE_FOUNDRY_PROJECT_DEPLOYMENT_NAME") ?? "gpt-4o-mini";
 
 // Create an AI Project client and get an OpenAI client that works with the foundry service.
-// WARNING: DefaultAzureCredential is convenient for development but requires careful consideration in production.
-// In production, consider using a specific credential (e.g., ManagedIdentityCredential) to avoid
-// latency issues, unintended credential probing, and potential security risks from fallback mechanisms.
 AIProjectClient aiProjectClient = new(
     new Uri(endpoint),
-    new DefaultAzureCredential());
+    new AzureCliCredential());
 OpenAIClient openAIClient = aiProjectClient.GetProjectOpenAIClient();
 
 // Upload the file that contains the data to be used for RAG to the Foundry service.
@@ -46,7 +43,7 @@ AIAgent agent = await aiProjectClient
         instructions: "You are a helpful support specialist for Contoso Outdoors. Answer questions using the provided context and cite the source document when available.",
         tools: [fileSearchTool]);
 
-AgentSession session = await agent.CreateSessionAsync();
+AgentSession session = await agent.GetNewSessionAsync();
 
 Console.WriteLine(">> Asking about returns\n");
 Console.WriteLine(await agent.RunAsync("Hi! I need help understanding the return policy.", session));

dotnet/samples/GettingStarted/Agents/Agent_Step01_Running/Program.cs

@@ -10,12 +10,9 @@ using OpenAI.Chat;
 var endpoint = Environment.GetEnvironmentVariable("AZURE_OPENAI_ENDPOINT") ?? throw new InvalidOperationException("AZURE_OPENAI_ENDPOINT is not set.");
 var deploymentName = Environment.GetEnvironmentVariable("AZURE_OPENAI_DEPLOYMENT_NAME") ?? "gpt-4o-mini";
 
-// WARNING: DefaultAzureCredential is convenient for development but requires careful consideration in production.
-// In production, consider using a specific credential (e.g., ManagedIdentityCredential) to avoid
-// latency issues, unintended credential probing, and potential security risks from fallback mechanisms.
 AIAgent agent = new AzureOpenAIClient(
     new Uri(endpoint),
-    new DefaultAzureCredential())
+    new AzureCliCredential())
     .GetChatClient(deploymentName)
     .AsAIAgent(instructions: "You are good at telling jokes.", name: "Joker");
 

dotnet/samples/GettingStarted/Agents/Agent_Step02_MultiturnConversation/Program.cs

@@ -10,22 +10,19 @@ using OpenAI.Chat;
 var endpoint = Environment.GetEnvironmentVariable("AZURE_OPENAI_ENDPOINT") ?? throw new InvalidOperationException("AZURE_OPENAI_ENDPOINT is not set.");
 var deploymentName = Environment.GetEnvironmentVariable("AZURE_OPENAI_DEPLOYMENT_NAME") ?? "gpt-4o-mini";
 
-// WARNING: DefaultAzureCredential is convenient for development but requires careful consideration in production.
-// In production, consider using a specific credential (e.g., ManagedIdentityCredential) to avoid
-// latency issues, unintended credential probing, and potential security risks from fallback mechanisms.
 AIAgent agent = new AzureOpenAIClient(
     new Uri(endpoint),
-    new DefaultAzureCredential())
+    new AzureCliCredential())
     .GetChatClient(deploymentName)
     .AsAIAgent(instructions: "You are good at telling jokes.", name: "Joker");
 
 // Invoke the agent with a multi-turn conversation, where the context is preserved in the session object.
-AgentSession session = await agent.CreateSessionAsync();
+AgentSession session = await agent.GetNewSessionAsync();
 Console.WriteLine(await agent.RunAsync("Tell me a joke about a pirate.", session));
 Console.WriteLine(await agent.RunAsync("Now add some emojis to the joke and tell it in the voice of a pirate's parrot.", session));
 
 // Invoke the agent with a multi-turn conversation and streaming, where the context is preserved in the session object.
-session = await agent.CreateSessionAsync();
+session = await agent.GetNewSessionAsync();
 await foreach (var update in agent.RunStreamingAsync("Tell me a joke about a pirate.", session))
 {
     Console.WriteLine(update);

dotnet/samples/GettingStarted/Agents/Agent_Step03_UsingFunctionTools/Program.cs

@@ -18,12 +18,9 @@ static string GetWeather([Description("The location to get the weather for.")] s
     => $"The weather in {location} is cloudy with a high of 15°C.";
 
 // Create the chat client and agent, and provide the function tool to the agent.
-// WARNING: DefaultAzureCredential is convenient for development but requires careful consideration in production.
-// In production, consider using a specific credential (e.g., ManagedIdentityCredential) to avoid
-// latency issues, unintended credential probing, and potential security risks from fallback mechanisms.
 AIAgent agent = new AzureOpenAIClient(
     new Uri(endpoint),
-    new DefaultAzureCredential())
+    new AzureCliCredential())
     .GetChatClient(deploymentName)
     .AsAIAgent(instructions: "You are a helpful assistant", tools: [AIFunctionFactory.Create(GetWeather)]);
 

dotnet/samples/GettingStarted/Agents/Agent_Step04_UsingFunctionToolsWithApprovals/Program.cs

@@ -23,43 +23,42 @@ static string GetWeather([Description("The location to get the weather for.")] s
 
 // Create the chat client and agent.
 // Note that we are wrapping the function tool with ApprovalRequiredAIFunction to require user approval before invoking it.
-// WARNING: DefaultAzureCredential is convenient for development but requires careful consideration in production.
-// In production, consider using a specific credential (e.g., ManagedIdentityCredential) to avoid
-// latency issues, unintended credential probing, and potential security risks from fallback mechanisms.
 AIAgent agent = new AzureOpenAIClient(
     new Uri(endpoint),
-    new DefaultAzureCredential())
+    new AzureCliCredential())
     .GetChatClient(deploymentName)
     .AsAIAgent(instructions: "You are a helpful assistant", tools: [new ApprovalRequiredAIFunction(AIFunctionFactory.Create(GetWeather))]);
 
-// Call the agent and check if there are any function approval requests to handle.
-// For simplicity, we are assuming here that only function approvals are pending.
-AgentSession session = await agent.CreateSessionAsync();
-AgentResponse response = await agent.RunAsync("What is the weather like in Amsterdam?", session);
-List<FunctionApprovalRequestContent> approvalRequests = response.Messages.SelectMany(m => m.Contents).OfType<FunctionApprovalRequestContent>().ToList();
+// Call the agent and check if there are any user input requests to handle.
+AgentSession session = await agent.GetNewSessionAsync();
+var response = await agent.RunAsync("What is the weather like in Amsterdam?", session);
+var userInputRequests = response.UserInputRequests.ToList();
 
 // For streaming use:
 // var updates = await agent.RunStreamingAsync("What is the weather like in Amsterdam?", session).ToListAsync();
-// approvalRequests = updates.SelectMany(x => x.Contents).OfType<FunctionApprovalRequestContent>().ToList();
+// userInputRequests = updates.SelectMany(x => x.UserInputRequests).ToList();
 
-while (approvalRequests.Count > 0)
+while (userInputRequests.Count > 0)
 {
     // Ask the user to approve each function call request.
-    List<ChatMessage> userInputResponses = approvalRequests
-        .ConvertAll(functionApprovalRequest =>
+    // For simplicity, we are assuming here that only function approval requests are being made.
+    var userInputResponses = userInputRequests
+        .OfType<FunctionApprovalRequestContent>()
+        .Select(functionApprovalRequest =>
         {
             Console.WriteLine($"The agent would like to invoke the following function, please reply Y to approve: Name {functionApprovalRequest.FunctionCall.Name}");
             return new ChatMessage(ChatRole.User, [functionApprovalRequest.CreateResponse(Console.ReadLine()?.Equals("Y", StringComparison.OrdinalIgnoreCase) ?? false)]);
-        });
+        })
+        .ToList();
 
     // Pass the user input responses back to the agent for further processing.
     response = await agent.RunAsync(userInputResponses, session);
 
-    approvalRequests = response.Messages.SelectMany(m => m.Contents).OfType<FunctionApprovalRequestContent>().ToList();
+    userInputRequests = response.UserInputRequests.ToList();
 
     // For streaming use:
     // updates = await agent.RunStreamingAsync(userInputResponses, session).ToListAsync();
-    // approvalRequests = updates.SelectMany(x => x.Contents).OfType<FunctionApprovalRequestContent>().ToList();
+    // userInputRequests = updates.SelectMany(x => x.UserInputRequests).ToList();
 }
 
 Console.WriteLine($"\nAgent: {response}");

dotnet/samples/GettingStarted/Agents/Agent_Step05_StructuredOutput/AIAgentBuilderExtensions.cs

@@ -1,49 +0,0 @@
-// Copyright (c) Microsoft. All rights reserved.
-
-using Microsoft.Agents.AI;
-using Microsoft.Extensions.AI;
-using Microsoft.Extensions.DependencyInjection;
-
-namespace SampleApp;
-
-/// <summary>
-/// Provides extension methods for adding structured output capabilities to <see cref="AIAgentBuilder"/> instances.
-/// </summary>
-internal static class AIAgentBuilderExtensions
-{
-    /// <summary>
-    /// Adds structured output capabilities to the agent pipeline, enabling conversion of text responses to structured JSON format.
-    /// </summary>
-    /// <param name="builder">The <see cref="AIAgentBuilder"/> to which structured output support will be added.</param>
-    /// <param name="chatClient">
-    /// The chat client used to transform text responses into structured JSON format.
-    /// If <see langword="null"/>, the chat client will be resolved from the service provider.
-    /// </param>
-    /// <param name="optionsFactory">
-    /// An optional factory function that returns the <see cref="StructuredOutputAgentOptions"/> instance to use.
-    /// This allows for fine-tuning the structured output behavior such as setting the response format or system message.
-    /// </param>
-    /// <returns>The <see cref="AIAgentBuilder"/> with structured output capabilities added, enabling method chaining.</returns>
-    /// <remarks>
-    /// <para>
-    /// A <see cref="ChatResponseFormatJson"/> must be specified either through the
-    /// <see cref="AgentRunOptions.ResponseFormat"/> at runtime or the <see cref="StructuredOutputAgentOptions.ChatOptions"/>
-    /// provided during configuration.
-    /// </para>
-    /// </remarks>
-    public static AIAgentBuilder UseStructuredOutput(
-        this AIAgentBuilder builder,
-        IChatClient? chatClient = null,
-        Func<StructuredOutputAgentOptions>? optionsFactory = null)
-    {
-        ArgumentNullException.ThrowIfNull(builder);
-
-        return builder.Use((innerAgent, services) =>
-        {
-            chatClient ??= services?.GetService<IChatClient>()
-                ?? throw new InvalidOperationException($"No {nameof(IChatClient)} was provided and none could be resolved from the service provider. Either provide an {nameof(IChatClient)} explicitly or register one in the dependency injection container.");
-
-            return new StructuredOutputAgent(innerAgent, chatClient, optionsFactory?.Invoke());
-        });
-    }
-}

dotnet/samples/GettingStarted/Agents/Agent_Step05_StructuredOutput/Program.cs

@@ -8,176 +8,64 @@ using System.Text.Json.Serialization;
 using Azure.AI.OpenAI;
 using Azure.Identity;
 using Microsoft.Agents.AI;
-using Microsoft.Extensions.AI;
 using OpenAI.Chat;
 using SampleApp;
-using ChatMessage = Microsoft.Extensions.AI.ChatMessage;
 
-string endpoint = Environment.GetEnvironmentVariable("AZURE_OPENAI_ENDPOINT") ?? throw new InvalidOperationException("AZURE_OPENAI_ENDPOINT is not set.");
-string deploymentName = Environment.GetEnvironmentVariable("AZURE_OPENAI_DEPLOYMENT_NAME") ?? "gpt-4o-mini";
+var endpoint = Environment.GetEnvironmentVariable("AZURE_OPENAI_ENDPOINT") ?? throw new InvalidOperationException("AZURE_OPENAI_ENDPOINT is not set.");
+var deploymentName = Environment.GetEnvironmentVariable("AZURE_OPENAI_DEPLOYMENT_NAME") ?? "gpt-4o-mini";
 
 // Create chat client to be used by chat client agents.
-// WARNING: DefaultAzureCredential is convenient for development but requires careful consideration in production.
-// In production, consider using a specific credential (e.g., ManagedIdentityCredential) to avoid
-// latency issues, unintended credential probing, and potential security risks from fallback mechanisms.
 ChatClient chatClient = new AzureOpenAIClient(
     new Uri(endpoint),
-    new DefaultAzureCredential())
+    new AzureCliCredential())
         .GetChatClient(deploymentName);
 
-// Demonstrates how to work with structured output via ResponseFormat with the non-generic RunAsync method.
-// This approach is useful when:
-// a. Structured output is used for inter-agent communication, where one agent produces structured output
-//    and passes it as text to another agent as input, without the need for the caller to directly work with the structured output.
-// b. The type of the structured output is not known at compile time, so the generic RunAsync<T> method cannot be used.
-// c. The type of the structured output is represented by JSON schema only, without a corresponding class or type in the code.
-await UseStructuredOutputWithResponseFormatAsync(chatClient);
+// Create the ChatClientAgent with the specified name and instructions.
+ChatClientAgent agent = chatClient.AsAIAgent(name: "HelpfulAssistant", instructions: "You are a helpful assistant.");
 
-// Demonstrates how to work with structured output via the generic RunAsync<T> method.
-// This approach is useful when the caller needs to directly work with the structured output in the code
-// via an instance of the corresponding class or type and the type is known at compile time.
-await UseStructuredOutputWithRunAsync(chatClient);
+// Set PersonInfo as the type parameter of RunAsync method to specify the expected structured output from the agent and invoke the agent with some unstructured input.
+AgentResponse<PersonInfo> response = await agent.RunAsync<PersonInfo>("Please provide information about John Smith, who is a 35-year-old software engineer.");
 
-// Demonstrates how to work with structured output when streaming using the RunStreamingAsync method.
-await UseStructuredOutputWithRunStreamingAsync(chatClient);
+// Access the structured output via the Result property of the agent response.
+Console.WriteLine("Assistant Output:");
+Console.WriteLine($"Name: {response.Result.Name}");
+Console.WriteLine($"Age: {response.Result.Age}");
+Console.WriteLine($"Occupation: {response.Result.Occupation}");
 
-// Demonstrates how to add structured output support to agents that don't natively support it using the structured output middleware.
-// This approach is useful when working with agents that don't support structured output natively, or agents using models
-// that don't have the capability to produce structured output, allowing you to still leverage structured output features by transforming
-// the text output from the agent into structured data using a chat client.
-await UseStructuredOutputWithMiddlewareAsync(chatClient);
-
-static async Task UseStructuredOutputWithResponseFormatAsync(ChatClient chatClient)
+// Create the ChatClientAgent with the specified name, instructions, and expected structured output the agent should produce.
+ChatClientAgent agentWithPersonInfo = chatClient.AsAIAgent(new ChatClientAgentOptions()
 {
-    Console.WriteLine("=== Structured Output with ResponseFormat ===");
+    Name = "HelpfulAssistant",
+    ChatOptions = new() { Instructions = "You are a helpful assistant.", ResponseFormat = Microsoft.Extensions.AI.ChatResponseFormat.ForJsonSchema<PersonInfo>() }
+});
 
-    // Create the agent
-    AIAgent agent = chatClient.AsAIAgent(new ChatClientAgentOptions()
-    {
-        Name = "HelpfulAssistant",
-        ChatOptions = new()
-        {
-            Instructions = "You are a helpful assistant.",
-            // Specify CityInfo as the type parameter of ForJsonSchema to indicate the expected structured output from the agent.
-            ResponseFormat = Microsoft.Extensions.AI.ChatResponseFormat.ForJsonSchema<CityInfo>()
-        }
-    });
+// Invoke the agent with some unstructured input while streaming, to extract the structured information from.
+var updates = agentWithPersonInfo.RunStreamingAsync("Please provide information about John Smith, who is a 35-year-old software engineer.");
 
-    // Invoke the agent with some unstructured input to extract the structured information from.
-    AgentResponse response = await agent.RunAsync("Provide information about the capital of France.");
+// Assemble all the parts of the streamed output, since we can only deserialize once we have the full json,
+// then deserialize the response into the PersonInfo class.
+PersonInfo personInfo = (await updates.ToAgentResponseAsync()).Deserialize<PersonInfo>(JsonSerializerOptions.Web);
 
-    // Access the structured output via the Text property of the agent response as JSON in scenarios when JSON as text is required
-    // and no object instance is needed (e.g., for logging, forwarding to another service, or storing in a database).
-    Console.WriteLine("Assistant Output (JSON):");
-    Console.WriteLine(response.Text);
-    Console.WriteLine();
-
-    // Deserialize the JSON text to work with the structured object in scenarios when you need to access properties,
-    // perform operations, or pass the data to methods that require the typed object instance.
-    CityInfo cityInfo = JsonSerializer.Deserialize<CityInfo>(response.Text)!;
-
-    Console.WriteLine("Assistant Output (Deserialized):");
-    Console.WriteLine($"Name: {cityInfo.Name}");
-    Console.WriteLine();
-}
-
-static async Task UseStructuredOutputWithRunAsync(ChatClient chatClient)
-{
-    Console.WriteLine("=== Structured Output with RunAsync<T> ===");
-
-    // Create the agent
-    AIAgent agent = chatClient.AsAIAgent(name: "HelpfulAssistant", instructions: "You are a helpful assistant.");
-
-    // Set CityInfo as the type parameter of RunAsync method to specify the expected structured output from the agent and invoke it with some unstructured input.
-    AgentResponse<CityInfo> response = await agent.RunAsync<CityInfo>("Provide information about the capital of France.");
-
-    // Access the structured output via the Result property of the agent response.
-    CityInfo cityInfo = response.Result;
-
-    Console.WriteLine("Assistant Output:");
-    Console.WriteLine($"Name: {cityInfo.Name}");
-    Console.WriteLine();
-}
-
-static async Task UseStructuredOutputWithRunStreamingAsync(ChatClient chatClient)
-{
-    Console.WriteLine("=== Structured Output with RunStreamingAsync ===");
-
-    // Create the agent
-    AIAgent agent = chatClient.AsAIAgent(new ChatClientAgentOptions()
-    {
-        Name = "HelpfulAssistant",
-        ChatOptions = new()
-        {
-            Instructions = "You are a helpful assistant.",
-            // Specify CityInfo as the type parameter of ForJsonSchema to indicate the expected structured output from the agent.
-            ResponseFormat = Microsoft.Extensions.AI.ChatResponseFormat.ForJsonSchema<CityInfo>()
-        }
-    });
-
-    // Invoke the agent with some unstructured input while streaming, to extract the structured information from.
-    IAsyncEnumerable<AgentResponseUpdate> updates = agent.RunStreamingAsync("Provide information about the capital of France.");
-
-    // Assemble all the parts of the streamed output.
-    AgentResponse nonGenericResponse = await updates.ToAgentResponseAsync();
-
-    // Access the structured output by deserializing JSON in the Text property.
-    CityInfo cityInfo = JsonSerializer.Deserialize<CityInfo>(nonGenericResponse.Text)!;
-
-    Console.WriteLine("Assistant Output:");
-    Console.WriteLine($"Name: {cityInfo.Name}");
-    Console.WriteLine();
-}
-
-static async Task UseStructuredOutputWithMiddlewareAsync(ChatClient chatClient)
-{
-    Console.WriteLine("=== Structured Output with UseStructuredOutput Middleware ===");
-
-    // Create chat client that will transform the agent text response into structured output.
-    IChatClient meaiChatClient = chatClient.AsIChatClient();
-
-    // Create the agent
-    AIAgent agent = meaiChatClient.AsAIAgent(name: "HelpfulAssistant", instructions: "You are a helpful assistant.");
-
-    // Add structured output middleware via UseStructuredOutput method to add structured output support to the agent.
-    // This middleware transforms the agent's text response into structured data using a chat client.
-    // Since our agent does support structured output natively, we will add a middleware that removes ResponseFormat
-    //  from the AgentRunOptions to emulate an agent that doesn't support structured output natively
-    agent = agent
-        .AsBuilder()
-        .UseStructuredOutput(meaiChatClient)
-        .Use(ResponseFormatRemovalMiddleware, null)
-        .Build();
-
-    // Set CityInfo as the type parameter of RunAsync method to specify the expected structured output from the agent and invoke it with some unstructured input.
-    AgentResponse<CityInfo> response = await agent.RunAsync<CityInfo>("Provide information about the capital of France.");
-
-    // Access the structured output via the Result property of the agent response.
-    CityInfo cityInfo = response.Result;
-
-    Console.WriteLine("Assistant Output:");
-    Console.WriteLine($"Name: {cityInfo.Name}");
-    Console.WriteLine();
-}
-
-static Task<AgentResponse> ResponseFormatRemovalMiddleware(IEnumerable<ChatMessage> messages, AgentSession? session, AgentRunOptions? options, AIAgent innerAgent, CancellationToken cancellationToken)
-{
-    // Remove any ResponseFormat from the options to emulate an agent that doesn't support structured output natively.
-    options = options?.Clone();
-    options?.ResponseFormat = null;
-
-    return innerAgent.RunAsync(messages, session, options, cancellationToken);
-}
+Console.WriteLine("Assistant Output:");
+Console.WriteLine($"Name: {personInfo.Name}");
+Console.WriteLine($"Age: {personInfo.Age}");
+Console.WriteLine($"Occupation: {personInfo.Occupation}");
 
 namespace SampleApp
 {
     /// <summary>
-    /// Represents information about a city, including its name.
+    /// Represents information about a person, including their name, age, and occupation, matched to the JSON schema used in the agent.
     /// </summary>
-    [Description("Information about a city")]
-    public sealed class CityInfo
+    [Description("Information about a person including their name, age, and occupation")]
+    public class PersonInfo
     {
         [JsonPropertyName("name")]
         public string? Name { get; set; }
+
+        [JsonPropertyName("age")]
+        public int? Age { get; set; }
+
+        [JsonPropertyName("occupation")]
+        public string? Occupation { get; set; }
     }
 }

dotnet/samples/GettingStarted/Agents/Agent_Step05_StructuredOutput/README.md

@@ -1,52 +0,0 @@
-# Structured Output with ChatClientAgent
-
-This sample demonstrates how to configure ChatClientAgent to produce structured output in JSON format using various approaches.
-
-## What this sample demonstrates
-
-- **ResponseFormat approach**: Configuring agents with JSON schema response format via `ChatResponseFormat.ForJsonSchema<T>()` for inter-agent communication or when the type is not known at compile time
-- **Generic RunAsync<T> method**: Using the generic `RunAsync<T>` method for structured output when the caller needs to work directly with typed objects
-- **Structured output with Streaming**: Using `RunStreamingAsync` to stream responses while still obtaining structured output by assembling and deserializing the streamed content
-- **StructuredOutput middleware**: Adding structured output support to agents that don't natively support it (like A2A agents or models without structured output capability) by transforming text output into structured data using a chat client
-
-## Prerequisites
-
-Before you begin, ensure you have the following prerequisites:
-
-- .NET 10 SDK or later
-- Azure OpenAI service endpoint and deployment configured
-- Azure CLI installed and authenticated (for Azure credential authentication)
-- User has the `Cognitive Services OpenAI Contributor` role for the Azure OpenAI resource
-
-**Note**: This sample uses Azure OpenAI models. For more information, see [how to deploy Azure OpenAI models with Azure AI Foundry](https://learn.microsoft.com/en-us/azure/ai-foundry/how-to/deploy-models-openai).
-
-**Note**: This demo uses Azure CLI credentials for authentication. Make sure you're logged in with `az login` and have access to the Azure OpenAI resource and have the `Cognitive Services OpenAI Contributor` role. For more information, see the [Azure CLI documentation](https://learn.microsoft.com/cli/azure/authenticate-azure-cli-interactively).
-
-## Environment Variables
-
-Set the following environment variables:
-
-```powershell
-$env:AZURE_OPENAI_ENDPOINT="https://your-resource.openai.azure.com/" # Replace with your Azure OpenAI resource endpoint
-$env:AZURE_OPENAI_DEPLOYMENT_NAME="gpt-4o-mini"  # Optional, defaults to gpt-4o-mini
-```
-
-## Run the sample
-
-Navigate to the sample directory and run:
-
-```powershell
-cd dotnet/samples/GettingStarted/Agents/Agent_Step05_StructuredOutput
-dotnet run
-```
-
-## Expected behavior
-
-The sample will demonstrate four different approaches to structured output:
-
-1. **Structured Output with ResponseFormat**: Creates an agent with `ResponseFormat` set to `ForJsonSchema<CityInfo>()`, invokes it with unstructured input, and accesses the structured output via the `Text` property
-2. **Structured Output with RunAsync<T>**: Creates an agent and uses the generic `RunAsync<CityInfo>()` method to get a typed `AgentResponse<CityInfo>` with the result accessible via the `Result` property
-3. **Structured Output with RunStreamingAsync**: Creates an agent with JSON schema response format, streams the response using `RunStreamingAsync`, assembles the updates using `ToAgentResponseAsync()`, and deserializes the JSON text into a typed object
-4. **Structured Output with StructuredOutput Middleware**: Uses the `UseStructuredOutput` method on `AIAgentBuilder` to add structured output support to agents that don't natively support it
-
-Each approach will output information about the capital of France (Paris) in a structured format.

dotnet/samples/GettingStarted/Agents/Agent_Step05_StructuredOutput/StructuredOutputAgent.cs

@@ -1,88 +0,0 @@
-// Copyright (c) Microsoft. All rights reserved.
-
-using Microsoft.Agents.AI;
-using Microsoft.Extensions.AI;
-
-namespace SampleApp;
-
-/// <summary>
-/// A delegating AI agent that converts text responses from an inner AI agent into structured output using a chat client.
-/// </summary>
-/// <remarks>
-/// <para>
-/// The <see cref="StructuredOutputAgent"/> wraps an inner agent and uses a chat client to transform
-/// the inner agent's text response into a structured JSON format based on the specified response format.
-/// </para>
-/// <para>
-/// This agent requires a <see cref="ChatResponseFormatJson"/> to be specified either through the
-/// <see cref="AgentRunOptions.ResponseFormat"/> or the <see cref="StructuredOutputAgentOptions.ChatOptions"/>
-/// provided during construction.
-/// </para>
-/// </remarks>
-internal sealed class StructuredOutputAgent : DelegatingAIAgent
-{
-    private readonly IChatClient _chatClient;
-    private readonly StructuredOutputAgentOptions? _agentOptions;
-
-    /// <summary>
-    /// Initializes a new instance of the <see cref="StructuredOutputAgent"/> class.
-    /// </summary>
-    /// <param name="innerAgent">The underlying agent that generates text responses to be converted to structured output.</param>
-    /// <param name="chatClient">The chat client used to transform text responses into structured JSON format.</param>
-    /// <param name="options">Optional configuration options for the structured output agent.</param>
-    public StructuredOutputAgent(AIAgent innerAgent, IChatClient chatClient, StructuredOutputAgentOptions? options = null)
-        : base(innerAgent)
-    {
-        this._chatClient = chatClient ?? throw new ArgumentNullException(nameof(chatClient));
-        this._agentOptions = options;
-    }
-
-    /// <inheritdoc />
-    protected override async Task<AgentResponse> RunCoreAsync(
-        IEnumerable<ChatMessage> messages,
-        AgentSession? session = null,
-        AgentRunOptions? options = null,
-        CancellationToken cancellationToken = default)
-    {
-        // Run the inner agent first, to get back the text response we want to convert.
-        var textResponse = await this.InnerAgent.RunAsync(messages, session, options, cancellationToken).ConfigureAwait(false);
-
-        // Invoke the chat client to transform the text output into structured data.
-        ChatResponse soResponse = await this._chatClient.GetResponseAsync(
-            messages: this.GetChatMessages(textResponse.Text),
-            options: this.GetChatOptions(options),
-            cancellationToken: cancellationToken).ConfigureAwait(false);
-
-        return new StructuredOutputAgentResponse(soResponse, textResponse);
-    }
-
-    private List<ChatMessage> GetChatMessages(string? textResponseText)
-    {
-        List<ChatMessage> chatMessages = [];
-
-        if (this._agentOptions?.ChatClientSystemMessage is not null)
-        {
-            chatMessages.Add(new ChatMessage(ChatRole.System, this._agentOptions.ChatClientSystemMessage));
-        }
-
-        chatMessages.Add(new ChatMessage(ChatRole.User, textResponseText));
-
-        return chatMessages;
-    }
-
-    private ChatOptions GetChatOptions(AgentRunOptions? options)
-    {
-        ChatResponseFormat responseFormat = options?.ResponseFormat
-            ?? this._agentOptions?.ChatOptions?.ResponseFormat
-            ?? throw new InvalidOperationException($"A response format of type '{nameof(ChatResponseFormatJson)}' must be specified, but none was specified.");
-
-        if (responseFormat is not ChatResponseFormatJson jsonResponseFormat)
-        {
-            throw new NotSupportedException($"A response format of type '{nameof(ChatResponseFormatJson)}' must be specified, but was '{responseFormat.GetType().Name}'.");
-        }
-
-        var chatOptions = this._agentOptions?.ChatOptions?.Clone() ?? new ChatOptions();
-        chatOptions.ResponseFormat = jsonResponseFormat;
-        return chatOptions;
-    }
-}

dotnet/samples/GettingStarted/Agents/Agent_Step05_StructuredOutput/StructuredOutputAgentOptions.cs

@@ -1,31 +0,0 @@
-// Copyright (c) Microsoft. All rights reserved.
-
-using Microsoft.Agents.AI;
-using Microsoft.Extensions.AI;
-
-namespace SampleApp;
-
-/// <summary>
-/// Represents configuration options for a <see cref="StructuredOutputAgent"/>.
-/// </summary>
-#pragma warning disable CA1812 // Instantiated via AIAgentBuilderExtensions.UseStructuredOutput optionsFactory parameter
-internal sealed class StructuredOutputAgentOptions
-#pragma warning restore CA1812
-{
-    /// <summary>
-    /// Gets or sets the system message to use when invoking the chat client for structured output conversion.
-    /// </summary>
-    public string? ChatClientSystemMessage { get; set; }
-
-    /// <summary>
-    /// Gets or sets the chat options to use for the structured output conversion by the chat client
-    /// used by the agent.
-    /// </summary>
-    /// <remarks>
-    /// This property is optional. The <see cref="ChatOptions.ResponseFormat"/> should be set to a
-    /// <see cref="ChatResponseFormatJson"/> instance to specify the expected JSON schema for the structured output.
-    /// Note that if <see cref="AgentRunOptions.ResponseFormat"/> is provided when running the agent,
-    /// it will take precedence and override the <see cref="ChatOptions.ResponseFormat"/> specified here.
-    /// </remarks>
-    public ChatOptions? ChatOptions { get; set; }
-}

dotnet/samples/GettingStarted/Agents/Agent_Step05_StructuredOutput/StructuredOutputAgentResponse.cs

@@ -1,28 +0,0 @@
-// Copyright (c) Microsoft. All rights reserved.
-
-using Microsoft.Agents.AI;
-using Microsoft.Extensions.AI;
-
-namespace SampleApp;
-
-/// <summary>
-/// Represents an agent response that contains structured output and
-/// the original agent response from which the structured output was generated.
-/// </summary>
-internal sealed class StructuredOutputAgentResponse : AgentResponse
-{
-    /// <summary>
-    /// Initializes a new instance of the <see cref="StructuredOutputAgentResponse"/> class.
-    /// </summary>
-    /// <param name="chatResponse">The <see cref="ChatResponse"/> containing the structured output.</param>
-    /// <param name="agentResponse">The original <see cref="AgentResponse"/> from the inner agent.</param>
-    public StructuredOutputAgentResponse(ChatResponse chatResponse, AgentResponse agentResponse) : base(chatResponse)
-    {
-        this.OriginalResponse = agentResponse;
-    }
-
-    /// <summary>
-    /// Gets the original non-structured response from the inner agent used by chat client to produce the structured output.
-    /// </summary>
-    public AgentResponse OriginalResponse { get; }
-}

dotnet/samples/GettingStarted/Agents/Agent_Step06_PersistedConversations/Program.cs

@@ -1,7 +1,5 @@
 // Copyright (c) Microsoft. All rights reserved.
 
-#pragma warning disable CA1869 // Cache and reuse 'JsonSerializerOptions' instances
-
 // This sample shows how to create and use a simple AI agent with a conversation that can be persisted to disk.
 
 using System.Text.Json;
@@ -14,32 +12,30 @@ var endpoint = Environment.GetEnvironmentVariable("AZURE_OPENAI_ENDPOINT") ?? th
 var deploymentName = Environment.GetEnvironmentVariable("AZURE_OPENAI_DEPLOYMENT_NAME") ?? "gpt-4o-mini";
 
 // Create the agent
-// WARNING: DefaultAzureCredential is convenient for development but requires careful consideration in production.
-// In production, consider using a specific credential (e.g., ManagedIdentityCredential) to avoid
-// latency issues, unintended credential probing, and potential security risks from fallback mechanisms.
 AIAgent agent = new AzureOpenAIClient(
     new Uri(endpoint),
-    new DefaultAzureCredential())
+    new AzureCliCredential())
     .GetChatClient(deploymentName)
     .AsAIAgent(instructions: "You are good at telling jokes.", name: "Joker");
 
 // Start a new session for the agent conversation.
-AgentSession session = await agent.CreateSessionAsync();
+AgentSession session = await agent.GetNewSessionAsync();
 
 // Run the agent with a new session.
 Console.WriteLine(await agent.RunAsync("Tell me a joke about a pirate.", session));
 
 // Serialize the session state to a JsonElement, so it can be stored for later use.
-JsonElement serializedSession = await agent.SerializeSessionAsync(session);
+JsonElement serializedSession = session.Serialize();
 
-// In a real application, you would typically write the serialized session to a file or
-// database for persistence, and read it back when resuming the conversation.
-// Here we'll just write the serialized session to console (for demonstration purposes).
-Console.WriteLine("\n--- Serialized session ---\n");
-Console.WriteLine(JsonSerializer.Serialize(serializedSession, new JsonSerializerOptions { WriteIndented = true }) + "\n");
+// Save the serialized session to a temporary file (for demonstration purposes).
+string tempFilePath = Path.GetTempFileName();
+await File.WriteAllTextAsync(tempFilePath, JsonSerializer.Serialize(serializedSession));
+
+// Load the serialized session from the temporary file (for demonstration purposes).
+JsonElement reloadedSerializedSession = JsonElement.Parse(await File.ReadAllTextAsync(tempFilePath));
 
 // Deserialize the session state after loading from storage.
-AgentSession resumedSession = await agent.DeserializeSessionAsync(serializedSession);
+AgentSession resumedSession = await agent.DeserializeSessionAsync(reloadedSerializedSession);
 
 // Run the agent again with the resumed session.
 Console.WriteLine(await agent.RunAsync("Now tell the same joke in the voice of a pirate, and add some emojis to the joke.", resumedSession));