⚡ Paginate data extraction to handle millions of rows in ml-pipeline

.dockerignore

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+node_modules
+dist
+.git
+.env
+.env.local
+.env.*.local
+.DS_Store
+*.log
+coverage
+.vscode

.env.example

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+# StreamVault Localhost Environment Template
+# Copy this file to `.env.local` in project root.
+# Backend now reads env from BOTH:
+# - backend/.env(.local)
+# - project root .env(.local)
+
+# =========================
+# Backend Runtime
+# =========================
+NODE_ENV=development
+PORT=4000
+FRONTEND_URL=http://localhost:8080
+
+DATABASE_URL=your_database_url_here
+SUPABASE_URL=your_supabase_url_here
+SUPABASE_SERVICE_ROLE_KEY=your_supabase_service_role_key_here
+
+AUTH0_DOMAIN=your-auth0-domain.auth0.com
+AUTH0_AUDIENCE=your_auth0_audience_here
+AUTH0_ISSUER_BASE_URL=https://your-auth0-domain.auth0.com/
+
+TMDB_API_KEY=your_tmdb_api_key_here
+# Legacy fallback still supported by backend:
+# VITE_TMDB_API_KEY=your_tmdb_api_key_here
+
+ADMIN_SECRET=your_admin_secret_code
+ADMIN_JWT_SECRET=your_admin_jwt_secret
+
+UPI_ID=your_upi_id
+UPI_PAYEE_NAME=StreamVault
+UPI_PHONE_NUMBER=your_upi_phone_number
+
+# Optional backend integrations
+# REDIS_URL=redis://localhost:6379
+# OPENAI_API_KEY=sk-...
+
+# =========================
+# Frontend (Vite)
+# =========================
+VITE_API_URL=http://localhost:4000
+VITE_AUTH0_DOMAIN=your-auth0-domain.auth0.com
+VITE_AUTH0_CLIENT_ID=your_auth0_client_id_here
+VITE_AUTH0_AUDIENCE=your_auth0_audience_here
+VITE_SUPABASE_URL=your_supabase_url_here
+VITE_SUPABASE_ANON_KEY=your_supabase_anon_key_here