feat: add Claude Code conversation tracker

- Create claude-code-tracker service to monitor and parse Claude Code conversations
- Parse JSONL format with messages, tool calls, and metadata
- Store in SQLite with full-text search support
- Generate daily summaries using Claude API
- Add Conversations UI with search, stats, and conversation browsing
- Integrate with dashboard backend and frontend
- Add sync script for Mac to NAS file transfer

dashboard/backend/config.py

@@ -54,6 +54,9 @@ CORS_ORIGINS = os.environ.get("CORS_ORIGINS", "https://nas.jimmygan.com,https://
 # Chat Summary
 CHAT_SUMMARY_DB = os.environ.get("CHAT_SUMMARY_DB", "/app/data/chat-summarizer/chat_summary.db")
 
+# Conversation Tracker
+CONVERSATION_TRACKER_DB = os.environ.get("CONVERSATION_TRACKER_DB", "/app/data/claude-code-tracker/conversations.db")
+
 # Info Engine
 INFO_ENGINE_DB = os.environ.get("INFO_ENGINE_DB", "/app/data/info-engine/info_engine.db")