Integrate CCO colorization models (eccv16 and siggraph17) - Add CCO colorizers module from kinsung/cco - Update /colorize endpoint to support model selection parameter - Add scikit-image dependency - Maintain backward compatibility with existing GAN model - Update MongoDB logging to track model type used

Add MongoDB integration for API call logging with timestamps

Add Firebase email/password authentication endpoints - Add /auth/register endpoint for user registration - Add /auth/login endpoint with Firebase REST API integration - Add /auth/me endpoint to get current user info - Add /auth/refresh endpoint for token refresh - Integrate with existing Firebase App Check - Add httpx and email-validator dependencies

Add FastAPI version using SDXL + ControlNet for text-guided colorization (from fffiloni)

Add simple colorization fallback using LAB color space when model fails to load

Fix image colorization: Add PyTorch GAN colorizer fallback, update Dockerfile to use main_fastai, and add missing dependencies

Update requirements.txt

Update requirements.txt

Update requirements.txt

Update requirements.txt

Fix python-multipart version conflict with Gradio - Update python-multipart from 0.0.6 to >=0.0.18 to match Gradio requirements

Fix Gradio/FastAPI compatibility - Upgrade FastAPI to >=0.115.0 - Upgrade Gradio to >=4.44.0 to fix AttributeError

Integrate FastAI colorization with Firebase auth and Gradio UI - Replace main.py with FastAI implementation - Add Gradio interface for Space UI - Add Firebase authentication to /colorize endpoint - Add curl examples documentation - Update test.py with User-Agent headers

Add toml dependency required for FastAI model loading

Switch to FastAI GAN colorization model (Hammad712/GAN-Colorization-Model)

Remove unused cv2 import and pin numpy version for compatibility

Initial commit: Colorize API with Firebase App Check integration