"""
Veins - Stateless API connectors.

Each vein follows the pattern:
    core/   - Isolated API client (no FastAPI dependency)
    api/    - FastAPI routes wrapping the core
    models/ - Pydantic models and formatters
    ui/     - Simple test form (optional)

Available veins:
    - jira   - Jira issue tracking
    - slack  - Slack messaging
    - google - Google APIs (OAuth)
"""