Changes prakhar - #17
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This update completely changes how we handle file uploads by moving the heavy AI work into the background so the user doesn't have to wait. Here is everything that changed: - Added Redis and Celery worker to docker-compose to handle background jobs. - Updated Dockerfile to cache Python packages for faster builds. - Fixed the database migrations and added a 'state' column to track file progress (processing, indexed, failed). - Fixed the circular import crashes in the database models. - Updated the upload route to instantly send jobs to the queue and return a task ID. - Added a new '/status' live stream endpoint to show real-time progress to the frontend. - Added an automatic cleanup step in the worker so temporary files are always deleted. - Brought back the GET /files/ endpoint so the dashboard can list all uploaded documents.
…l security/data bugs Infrastructure & Architecture: - Completely decoupled file uploading from the main API thread using Redis and Celery. - AI (sentence-transformers) now runs safely in background workers. - Implemented Server-Sent Events (SSE) for live frontend status tracking. - Restored unified hybrid search endpoint. Security & Vulnerability Patches: - Patched 'Zip Slip' directory traversal vulnerability in archive extraction. - Secured upload route against path traversal and malicious overwrites using UUID prefixing. - Prevented temp-directory memory leaks on corrupted ZIP uploads. Data Integrity & Database: - Resolved race conditions in Celery workers using IntegrityError try/rollback blocks. - Forced strict failure propagation so Celery correctly reports 'FAILURE' instead of swallowing exceptions. - Added 'state' column to File model to track indexing progress. - Added 'relation_type' to FileRelationship model. - Fixed one-directional relationship bug by implementing symmetric ORM queries. - Cleaned up app/database namespace collisions.
RK-NerdyBirdy
approved these changes
Aug 20, 2026
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