Python: Add samples syntax checking with pyright (#3710)

* Add samples syntax checking with pyright

- Add pyrightconfig.samples.json with relaxed type checking but import validation
- Add samples-syntax poe task to check samples for syntax and import errors
- Add samples-syntax to check and pre-commit-check tasks
- Fix 78 sample errors:
  - Update workflow builder imports to use agent_framework_orchestrations
  - Change content type isinstance checks to content.type comparisons
  - Use Content factory methods instead of removed content type classes
  - Fix TypedDict access patterns for Annotation
  - Fix various API mismatches (normalize_messages, ChatMessage.text, role)

* fixed a bunch of samples and tweaks to pre-commit

* updated lock

* updated lock

* fixes

* added lint to samples

python/samples/getting_started/durabletask/02_multi_agent/client.py

@@ -1,12 +1,14 @@
+# Copyright (c) Microsoft. All rights reserved.
+
 """Client application for interacting with multiple hosted agents.
 
 This client connects to the Durable Task Scheduler and interacts with two different
 agents (WeatherAgent and MathAgent), demonstrating how to work with multiple agents
 each with their own specialized capabilities and tools.
 
-Prerequisites: 
+Prerequisites:
 - The worker must be running with both agents registered
-- Set AZURE_OPENAI_ENDPOINT and AZURE_OPENAI_CHAT_DEPLOYMENT_NAME 
+- Set AZURE_OPENAI_ENDPOINT and AZURE_OPENAI_CHAT_DEPLOYMENT_NAME
   (plus AZURE_OPENAI_API_KEY or Azure CLI authentication)
 - Durable Task Scheduler must be running
 """
@@ -30,12 +32,12 @@ def get_client(
     log_handler: logging.Handler | None = None
 ) -> DurableAIAgentClient:
     """Create a configured DurableAIAgentClient.
-    
+
     Args:
         taskhub: Task hub name (defaults to TASKHUB env var or "default")
         endpoint: Scheduler endpoint (defaults to ENDPOINT env var or "http://localhost:8080")
         log_handler: Optional logging handler for client logging
-        
+
     Returns:
         Configured DurableAIAgentClient instance
     """
@@ -60,7 +62,7 @@ def get_client(
 
 def run_client(agent_client: DurableAIAgentClient) -> None:
     """Run client interactions with both WeatherAgent and MathAgent.
-    
+
     Args:
         agent_client: The DurableAIAgentClient instance
     """

python/samples/getting_started/durabletask/02_multi_agent/sample.py

@@ -1,11 +1,13 @@
+# Copyright (c) Microsoft. All rights reserved.
+
 """Multi-Agent Sample - Durable Task Integration (Combined Worker + Client)
 
 This sample demonstrates running both the worker and client in a single process
 for multiple agents with different tools. The worker registers two agents
 (WeatherAgent and MathAgent), each with their own specialized capabilities.
 
-Prerequisites: 
-- Set AZURE_OPENAI_ENDPOINT and AZURE_OPENAI_CHAT_DEPLOYMENT_NAME 
+Prerequisites:
+- Set AZURE_OPENAI_ENDPOINT and AZURE_OPENAI_CHAT_DEPLOYMENT_NAME
   (plus AZURE_OPENAI_API_KEY or Azure CLI authentication)
 - Durable Task Scheduler must be running (e.g., using Docker)
 

python/samples/getting_started/durabletask/02_multi_agent/worker.py

@@ -1,3 +1,5 @@
+# Copyright (c) Microsoft. All rights reserved.
+
 """Worker process for hosting multiple agents with different tools using Durable Task.
 
 This worker registers two agents - a weather assistant and a math assistant - each