feat: consolidate backends, add dashboard/splits routers, switch to gemini

Upgrade to Granite-Docling model and add file upload support

Fix: Sync all routers and add Google Auth debug logging

Fix: Create data directory in Dockerfile for SQLite

Fix: Add missing auth routers and database init

Update backend code for deployment

Add image_data support to bills schema and router

Hardcode model URL for OCR router too

Hardcode model URL to fix UI fallback

Update backend to use custom billbrain-model space

fix: improve regex parser to reliably extract amounts

fix: actually push the new 3-stage fallback ocr.py

fix: install tesseract in Dockerfile and restore pytesseract

fix: replace pytesseract with HF vision model for OCR - no Tesseract binary needed

Implement intelligent OCR pipeline with Mistral LLM

Fix OCR content_type validation in backend

Fix duplicate email 500 error in update_profile

Add /auth/google endpoint for proper Google OAuth login

Fix SMTP_PASS env var key and add SMTP_FROM fallback

Deploy BillBrain API - FastAPI backend with AI, Auth, OCR

initial commit