Build plugin system

[Greyisheep]

🔌 Build plugin system

Description

Create extensible plugin architecture and allow third-party tool integration.

Tasks

• Design plugin architecture
• Create plugin API
• Add plugin management
• Test plugin system

Files to create

• app/plugins/
• app/services/plugin_manager.py
• docs/plugins/

Acceptance Criteria

• Plugins can be loaded
• API is well-designed
• Management works
• System is extensible

Labels

• hard
• backend

Estimated Time

25-35 hours