Fix preprocessor loading: fallback to base BLIP processor if fine-tuned processor config missing

Fix 400 Bad Request: add HF Hub model loading, robust image validation, and graceful fallback

Merge origin/main into main

Deploy Image Captioning Web App with FastAPI and Docker to Hugging Face Space

Initial commit: image captioning project setup

Fix: use port 7860 for Hugging Face Spaces

fix readme

deploy

Fix Space metadata

Fix Space metadata

Initial deploy

initial commit