Add comprehensive documentation system and tool call tracking

## Documentation System
- Create complete documentation hub at /dashboard/docs with:
  - Getting Started guide with quick setup and troubleshooting
  - Hook Setup Guide with platform-specific configurations
  - API Reference with all endpoints and examples
  - FAQ with searchable questions and categories
- Add responsive design with interactive features
- Update navigation in base template

## Tool Call Tracking
- Add ToolCall model for tracking Claude Code tool usage
- Create /api/tool-calls endpoints for recording and analytics
- Add tool_call hook type with auto-session detection
- Include tool calls in project statistics and recalculation
- Track tool names, parameters, execution time, and success rates

## Project Enhancements
- Add project timeline and statistics pages (fix 404 errors)
- Create recalculation script for fixing zero statistics
- Update project stats to include tool call counts
- Enhance session model with tool call relationships

## Infrastructure
- Switch from requirements.txt to pyproject.toml/uv.lock
- Add data import functionality for claude.json files
- Update database connection to include all new models
- Add comprehensive API documentation

🤖 Generated with [Claude Code](https://claude.ai/code)

Co-Authored-By: Claude <noreply@anthropic.com>

main.py

@@ -9,7 +9,7 @@ from fastapi.staticfiles import StaticFiles
 from fastapi.responses import RedirectResponse
 
 from app.database.connection import init_database, close_database
-from app.api import sessions, conversations, activities, waiting, git, projects, analytics
+from app.api import sessions, conversations, activities, waiting, git, projects, analytics, importer, tool_calls
 from app.dashboard.routes import dashboard_router
 
 
@@ -50,6 +50,8 @@ app.include_router(waiting.router, prefix="/api", tags=["Waiting Periods"])
 app.include_router(git.router, prefix="/api", tags=["Git Operations"])
 app.include_router(projects.router, prefix="/api", tags=["Projects"])
 app.include_router(analytics.router, prefix="/api", tags=["Analytics"])
+app.include_router(importer.router, prefix="/api", tags=["Data Import"])
+app.include_router(tool_calls.router, prefix="/api", tags=["Tool Calls"])
 
 # Include dashboard routes
 app.include_router(dashboard_router, tags=["Dashboard"])