feat(forgejo): add validation, cached issues, sync service, and human issue APIs (Issues 5-8); add connection and repository admin UI (Issues 3-4); fix migration graph and client bugs
Backend Issues 5-8:
- POST /forgejo/connections/{id}/validate and /repositories/{id}/validate
- ForgejoIssue model with unique constraint (repo_id, issue_number)
- IssueSyncService with pagination and upsert
- GET /forgejo/issues with filtering, search, pagination
- GET /forgejo/issues/{id} with org-scoped access
- Fixed ForgejoAPIClient /api/v1 path prefix
- Fixed get_forgejo_client async context (was async def, now regular def)
- Fixed Forgejo API response parsing (list, not dict with items)
- Fixed None-safe handling for labels/assignees
Frontend Issues 3-4:
- Connections list, new, edit pages with token masking
- Repositories list, new, edit pages with connection selector
- ForgejoConnectionForm, ForgejoConnectionsTable components
- ForgejoRepositoryForm, ForgejoRepositoriesTable components
- api-forgejo.ts client library
Migration cleanup:
- Consolidated forgejo_issues table into f5a2b3c4d5e6 migration
- Removed orphan branch migrations for already-existing tables
- Fixed migration graph to single head (f5a2b3c4d5e6)
- Stamped DB to correct revision
4c540b1c9a