Fix requirements.txt encoding

Fix crop image bug and switch export to multi-sheet Excel (.xlsx)

Fix deduplicate_boxes deletion and correctly apply V7

Upgrade backend to V7 Ultimate Fast Math OCR Pipeline

Optimize thread limits for 2 vCPU speedup

Revert back to Celery + Redis for optimal ML isolation speed

Fix thread crashing by using max_workers=1 + cleanup stuck jobs

Refactor to non-blocking asyncio architecture and add resource monitoring

Add root endpoint for HF health check

Fix: add ssl_cert_reqs=CERT_NONE for Upstash TLS Redis

Remove .env files - use config.py defaults with Neon+Upstash URLs

Fix: paddlepaddle 2.6.1 -> 2.6.2

Fix: libgl1-mesa-glx renamed to libgl1 in Debian trixie

Deploy Machathon OCR backend with YOLO + OpenCV + PaddleOCR pipeline

initial commit