Replace static VECTOR_SYNC_ENABLED_APPS environment variable with per-user
database storage for which apps to index. This allows each user to control
their own indexing preferences (e.g., enable notes and calendar but not
deck or files).
Rationale:
- Nextcloud doesn't support granular OAuth scopes at the app level
- Per-user settings provide flexibility for multi-user deployments
- Users control app enablement via nc_enable_vector_sync MCP tool
- Aligns with OAuth architecture where users manage their own settings
Changes:
- ADR-007: Remove VECTOR_SYNC_ENABLED_APPS from configuration section
- ADR-007: Update scanner implementation to read from database
- ADR-007: Add explanation of per-user app enablement mechanism
- ADR-007: Clarify that nc_enable_vector_sync tool manages this setting
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Co-Authored-By: Claude <noreply@anthropic.com>
Chris Coutinho
31799ffd9a