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>

app/dashboard/static/js/api-client.js

@@ -92,6 +92,14 @@ class ApiClient {
     }
 
     // Conversations API
+    async getConversations(projectId = null, limit = 50, offset = 0) {
+        let url = `/conversations?limit=${limit}&offset=${offset}`;
+        if (projectId) {
+            url += `&project_id=${projectId}`;
+        }
+        return this.request(url);
+    }
+
     async searchConversations(query, projectId = null, limit = 20) {
         let url = `/conversations/search?query=${encodeURIComponent(query)}&limit=${limit}`;
         if (projectId) {