fix: Vercel proxies to HF Space backend remove broken experimentalServices

fix: use request.origin instead of VERCEL_URL for backend proxy - fixes preview deployment 503

fix: derive backend URL from request origin instead of VERCEL_URL to fix preview deployment proxy

fix: use VERCEL_URL env var for backend proxy instead of relative /_/backend path

fix: proxy routes now check VERCEL env to use /_/backend instead of localhost

fix: switch to Vercel experimentalServices monorepo config

feat: Vercel-ready OpenCouncil with 3 cities connected (Paris, Sulphur Springs, Frisco)

fix: change Big Picture text color to black for readability on gradient background

Implement Three P's framework: Life-Centric categories, Big Picture TL;DR, What You Can Do

fix: redirect to /minutes on 404 instead of showing error (breaks retry loop)

Add GPT-4o Vision support for scanned document images; remove all agenda code; focus on minutes

Add minutes support: fetch, store, summarize city council minutes from Laserfiche

fix: update comments from Railway to HF Spaces, fix DB init print message

Switch backend to Railway (free tier), add Next.js proxy route, simplify Vercel config

Switch from experimental services to builds/routes approach, fix API_BASE to empty string

Auto-detect API base URL: localhost vs Vercel

Fix Vercel API routing: use NEXT_PUBLIC_API_URL env var for backend path

Add Vercel experimental services monorepo config (frontend + backend)

Initial commit: Civic City Hub - DeepSeek API, SQLite storage, encrypted API keys, professional news site frontend