3a41860d27
Add architecture decision record for integrating Nextcloud webhooks into the vector database synchronization system. Key features: - Webhook endpoint at /webhooks/nextcloud receives push notifications - Complements existing polling (ADR-007) without replacing it - Optional authentication via WEBHOOK_SECRET - Simple architecture: webhooks are just another DocumentTask producer - Administrators can reduce polling frequency when webhooks are configured Benefits: - Reduced latency: seconds to minutes instead of up to 1 hour - Lower API load: ~95% reduction when polling frequency is increased - Better scalability: only process changed documents - No changes required to scanner or processor components 🤖 Generated with [Claude Code](https://claude.com/claude-code) Co-Authored-By: Claude <noreply@anthropic.com>