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  • feat(ai): Implement unified AI API with Anthropic provider 
    - Define clean API with complete() method and callbacks for streaming
- Add comprehensive type system for messages, tools, and usage
- Implement AnthropicAI provider with full feature support:
  - Thinking/reasoning with signatures
  - Tool calling with parallel execution
  - Streaming via callbacks (onText, onThinking)
  - Proper error handling and stop reasons
  - Cache tracking for input/output tokens
- Add working test/example demonstrating tool execution flow
- Support for system prompts, temperature, max tokens
- Proper message role types: user, assistant, toolResult
    Mario Zechner · 2025-08-17 23:30:20 +02:00
    e5aedfed29
  • feat(ai): Create unified AI package with OpenAI, Anthropic, and Gemini support 
    - Set up @mariozechner/ai package structure following monorepo patterns
- Install OpenAI, Anthropic, and Google Gemini SDK dependencies
- Document comprehensive API investigation for all three providers
- Design minimal unified API with streaming-first architecture
- Add models.dev integration for pricing and capabilities
- Implement automatic caching strategy for all providers
- Update project documentation with package creation guide
    Mario Zechner · 2025-08-17 20:18:45 +02:00
    f064ea0e14
  • fix: Remove unused imports and add biome-ignore for false positive 
    - Remove unused SlashCommand import from tui-renderer.ts
- Add biome-ignore comment for previousRenderCommands which is actually used
    Mario Zechner · 2025-08-16 19:21:43 +02:00
    2c03724862
  • Update todos.md
    Mario Zechner · 2025-08-16 19:18:07 +02:00
    3fe1f4c11e
  • Formatting
    Mario Zechner · 2025-08-11 21:22:11 +02:00
    5bbaaa0773
  • Add husky pre-commit hook for formatting and type checking
    Mario Zechner · 2025-08-11 21:15:37 +02:00
    42bf7b4ae0
  • feat(agent): Add /tokens command for cumulative token usage tracking 
    Added /tokens slash command to TUI that displays session-wide token statistics.
Key changes:
- Fixed SessionManager to accumulate token usage instead of storing only last event
- Added cumulative token tracking to TUI renderer alongside per-request totals
- Implemented slash command infrastructure with /tokens autocomplete support
- Fixed file autocompletion that was missing from Tab key handling
- Clean minimal display format showing input/output/reasoning/cache/tool counts

The /tokens command shows:
Total usage
   input: 1,234
   output: 567
   reasoning: 89
   cache read: 100
   cache write: 50
   tool calls: 2
    Mario Zechner · 2025-08-11 15:43:48 +02:00
    e21a46e68f
  • style(tui): Apply biome formatting fixes
    Mario Zechner · 2025-08-11 14:18:33 +02:00
    7e3b94ade6
  • fix(tui): Fix garbled output when content exceeds viewport 
    - Implemented new renderLineBased method that properly handles scrollback boundaries
- Fixed ANSI code preservation in MarkdownComponent line wrapping
- Added comprehensive test to reproduce and verify the fix
- Root cause: PARTIAL rendering strategy couldn't position cursor in scrollback
- Solution: Component-agnostic line comparison with proper viewport boundary handling
    Mario Zechner · 2025-08-11 14:17:46 +02:00
    6e40c5d761
  • fix(agent): Properly handle ESC interrupt in TUI with centralized event emission 
    Fixed the interrupt mechanism to show "[Interrupted by user]" message when ESC is pressed:
- Removed duplicate UI cleanup from ESC key handler that interfered with event processing
- Added centralized interrupted event emission in exception handler when abort signal is detected
- Removed duplicate event emissions from API call methods to prevent multiple messages
- Added abort signal support to preflight reasoning check for proper cancellation
- Simplified abort detection to only check signal state, not error messages
    Mario Zechner · 2025-08-11 12:21:13 +02:00
    1d9b77298c
  • Fix file paths.
    Mario Zechner · 2025-08-11 02:32:52 +02:00
    1f9d10cab0
  • fix(tui): Container change detection for proper differential rendering 
    Fixed rendering artifact where duplicate bottom borders appeared when components
dynamically shifted positions (e.g., Ctrl+C in agent clearing status container).

Root cause: Container wasn't reporting as "changed" when cleared (0 children),
causing differential renderer to skip re-rendering that area.

Solution: Container now tracks previousChildCount and reports changed when
child count changes, ensuring proper re-rendering when containers are cleared.

- Added comprehensive test reproducing the layout shift artifact
- Fixed Container to track and report child count changes
- All tests pass including new layout shift artifact test
    Mario Zechner · 2025-08-11 02:31:49 +02:00
    192d8d2600
  • feat(tui): Add instructional header and welcome message to chat demo 
    - Add header with slash command and file autocomplete instructions
- Add initial welcome message with detailed feature descriptions
- Import TextComponent for the header
- Make it clearer how to use all the demo features
    Mario Zechner · 2025-08-11 01:36:18 +02:00
    2ec8a27222
  • fix(tui): Trigger initial render when start() is called 
    The demos were not showing any output until user input because:
- Components were added before ui.start() was called
- addChild calls requestRender() but it returns early if \!isStarted
- So no initial render happened until user input triggered one

Now ui.start() triggers an initial render if components exist.
    Mario Zechner · 2025-08-11 01:34:32 +02:00
    5ceaa91c74
  • refactor(tui): Move examples from README to test directory 
    - Move chat application example to test/chat-app.ts
- Move multi-component layout example to test/multi-layout.ts
- Update README to reference example files instead of inline code
- Add proper exit handlers (Ctrl+C) to all examples
- Simplify README by reducing inline code examples
    Mario Zechner · 2025-08-11 01:29:43 +02:00
    838fde47ba
  • docs(tui): Update README with surgical differential rendering documentation 
    - Add surgical differential rendering as the main feature
- Document the three rendering strategies (surgical, partial, full)
- Add performance metrics documentation
- Simplify component examples to be more concise
- Add comprehensive testing section with VirtualTerminal API
- Include testing best practices and performance testing guidance
- Remove duplicate TextEditor documentation section
    Mario Zechner · 2025-08-11 01:22:45 +02:00
    12dfcfad23
  • tui: Implement surgical differential rendering for minimal redraws 
    - New renderDifferentialSurgical method with three strategies:
  - SURGICAL: Only update specific changed lines (1-2 lines per render)
  - PARTIAL: Clear and re-render from first change when line counts change
  - FULL: Clear scrollback and re-render all when changes above viewport
- Preserves all content in scrollback buffer correctly
- Reduces redraws from ~14 lines to ~1.3 lines for common updates
- All 24 tests pass including scrollback preservation tests
- Massive performance improvement: 90% reduction in unnecessary redraws
    Mario Zechner · 2025-08-11 01:13:42 +02:00
    386f90fc36
  • tui: Fix differential rendering to preserve scrollback buffer 
    - renderDifferential now correctly handles content that exceeds viewport
- When changes are above viewport, do full re-render with scrollback clear
- When changes are in viewport, do partial re-render from change point
- All tests pass, correctly preserves 100 items in scrollback
- Issue: Still re-renders too much (entire tail from first change)
    Mario Zechner · 2025-08-11 00:57:59 +02:00
    0131b29b2c
  • tui-double-buffer: Implement smart differential rendering with terminal abstraction 
    - Create Terminal interface abstracting stdin/stdout operations for dependency injection
- Implement ProcessTerminal for production use with process.stdin/stdout
- Implement VirtualTerminal using @xterm/headless for accurate terminal emulation in tests
- Fix TypeScript imports for @xterm/headless module
- Move all component files to src/components/ directory for better organization
- Add comprehensive test suite with async/await patterns for proper render timing
- Fix critical TUI differential rendering bug when components grow in height
  - Issue: Old content wasn't properly cleared when component line count increased
  - Solution: Clear each old line individually before redrawing, ensure cursor at line start
- Add test verifying terminal content preservation and text editor growth behavior
- Update tsconfig.json to include test files in type checking
- Add benchmark test comparing single vs double buffer performance

The implementation successfully reduces flicker by only updating changed lines
rather than clearing entire sections. Both TUI implementations maintain the
same interface for backward compatibility.
    Mario Zechner · 2025-08-10 22:33:03 +02:00
    afa807b200
  • missing-thinking-tokens: Complete task management for reasoning token support 
    Moved completed task documentation to done folder after implementing reasoning token
support for OpenAI models (o1, o3, gpt-5) across all renderers and APIs
    Mario Zechner · 2025-08-10 14:38:25 +02:00
    923a9e58ab
  • docs: Add context window percentage to token usage display todo
    Mario Zechner · 2025-08-10 10:38:52 +02:00
    5d13a90077
  • docs: Add todo for automatic context length detection 
    Document provider support for context length via models endpoint
and caching strategy for model metadata
    Mario Zechner · 2025-08-10 10:33:59 +02:00
    f36299ad3a
  • Updated todos.md
    Mario Zechner · 2025-08-10 02:15:30 +02:00
    8bee281010
  • docs: Improve reasoning support table clarity 
    - Remove redundant 'Reasoning Tokens' column (all models count them)
- Group by provider for better readability
- Clarify model limitations vs API limitations
- Simplify check marks to focus on thinking content availability
    Mario Zechner · 2025-08-10 02:13:13 +02:00
    f82e82da93
  • docs: Fix outdated Gemini thinking content notes 
    Gemini 2.5 thinking content IS fully supported - we handle extra_body automatically
    Mario Zechner · 2025-08-10 01:56:20 +02:00
    047d9af407
  • feat(agent): Comprehensive reasoning token support across providers 
    Added provider-specific reasoning/thinking token support for:
- OpenAI (o1, o3, gpt-5): Full reasoning events via Responses API, token counts via Chat Completions
- Groq: reasoning_format:"parsed" for Chat Completions, no summary support for Responses
- Gemini 2.5: extra_body.google.thinking_config with <thought> tag extraction
- OpenRouter: Unified reasoning parameter with message.reasoning field
- Anthropic: Limited support via OpenAI compatibility layer

Key improvements:
- Centralized provider detection based on baseURL
- parseReasoningFromMessage() extracts provider-specific reasoning content
- adjustRequestForProvider() handles provider-specific request modifications
- Smart reasoning support detection with caching per API type
- Comprehensive README documentation with provider support matrix

Fixes reasoning tokens not appearing for GPT-5 and other reasoning models.
    Mario Zechner · 2025-08-10 01:46:15 +02:00
    99ce76d66e
  • agent: Add reasoning token support for OpenAI reasoning models 
    - Extract and display reasoning tokens from both Chat Completions and Responses APIs
- Add smart preflight detection to check reasoning support per model/API (cached per agent)
- Support both reasoning_text (o1/o3) and summary_text (gpt-5) formats
- Display reasoning tokens with ⚡ symbol in console and TUI renderers
- Only send reasoning parameters to models that support them
- Fix event type from "thinking" to "reasoning" for consistency

Note: Chat Completions API only returns reasoning token counts, not content (by design).
Only Responses API exposes actual thinking/reasoning events.
    Mario Zechner · 2025-08-10 00:32:30 +02:00
    62d9eefc2a
  • Updated agent README.md with test advise
    Mario Zechner · 2025-08-09 21:17:46 +02:00
    9157411034
  • v0.5.7: Fix tool counter spacing in metrics display
    Mario Zechner · 2025-08-09 20:19:04 +02:00
    v0.5.7 832b20b173
  • v0.5.6: Fix CLI execution when installed globally
    Mario Zechner · 2025-08-09 20:16:59 +02:00
    v0.5.6 9fee306075
  • v0.5.5: Add tool call metrics display
    Mario Zechner · 2025-08-09 20:11:06 +02:00
    v0.5.5 db86195dd9
  • Display tool call metrics: Add ⚒ counter to token usage display 
    - Show tool call count alongside token metrics in TUI and console renderers
- TUI: Display at bottom with format "↑X ↓Y ⚒Z"
- Console: Show metrics after assistant messages complete
- Counter increments on each tool_call event
    Mario Zechner · 2025-08-09 20:10:15 +02:00
    9544a8edf9
  • v0.5.4 - Fix CLI execution when imported and JSON import issues
    Mario Zechner · 2025-08-09 19:38:00 +02:00
    1887e33339
  • v0.5.4 - Fix lockstep versioning and update all packages
    Mario Zechner · 2025-08-09 19:37:12 +02:00
    f579a3f112
  • v0.5.3 - Fix missing scripts directory in published package
    Mario Zechner · 2025-08-09 19:26:59 +02:00
    v0.5.3-pods 3a9c3a2ed6
  • Fix process.cwd() error when running from deleted directory 
    - Defer process.cwd() call in logger to avoid initialization errors
- Resolve log file path only when actually writing logs
- Bump version to 0.5.2
    Mario Zechner · 2025-08-09 18:05:28 +02:00
    v0.5.2 42dc46a513
  • Fix pi-agent CLI execution issue when installed globally 
    - Remove isMainModule check that was preventing execution via npm symlink
- CLI now runs main function directly when executed
- Bump version to 0.5.1
    Mario Zechner · 2025-08-09 18:02:34 +02:00
    v0.5.1 d304f377d7
  • Fix npm publishing warnings and clean up package.json files 
    - Fixed repository URLs to use git+https:// format
- Removed tsconfig.tsbuildinfo from clean scripts
- Updated README with clearer build instructions and dependency order
- Fixed bin paths to reference dist/cli.js correctly
- Ready for npm publishing with no warnings
    Mario Zechner · 2025-08-09 17:27:16 +02:00
    c615f3f011
  • Initial monorepo setup with npm workspaces and dual TypeScript configuration 
    - Set up npm workspaces for three packages: pi-tui, pi-agent, and pi (pods)
- Implemented dual TypeScript configuration:
  - Root tsconfig.json with path mappings for development and type checking
  - Package-specific tsconfig.build.json for clean production builds
- Configured lockstep versioning with sync script for inter-package dependencies
- Added comprehensive documentation for development and publishing workflows
- All packages at version 0.5.0 ready for npm publishing
    Mario Zechner · 2025-08-09 17:18:38 +02:00
    a74c5da112