Enhance MCP development features and introduce skills management

- Added configuration options for requiring human approval before applying LLM-generated MCP patches.
- Updated Docker setup to include skills directory.
- Integrated skills management into the backend, allowing for procedural guides and skill matching.
- Refactored database initialization to apply Alembic migrations.
- Enhanced task approval process to handle MCP patch applications with optional approval.
- Introduced new schemas for skills and updated existing APIs to support skills functionality.

This commit lays the groundwork for improved agent capabilities and better management of MCP development processes.

backend/app/worker.py

@@ -10,7 +10,7 @@ import logging
 
 from sqlalchemy import select
 
-from app.agent import run_task_agent
+from app.agent.graph import run_task_agent
 from app.config import settings
 from app.database import SessionLocal, init_db
 from app.mcp_manager import get_manager