Document deployed Backend environment variables

.env.example

@@ -1,21 +1,17 @@
-PORT=4000
+PORT=7860
 TRUST_PROXY_HOPS=1
-NODE_ENV=development
-FRONTEND_URL=http://localhost:8080
-BACKEND_URL=http://localhost:4000
-ANALYSIS_PROXY_SECRET=replace-with-a-random-secret-of-at-least-32-characters
-# Deploy the stateless Agent service separately and use its private URL/key here.
+NODE_ENV=production
+FRONTEND_URL=https://sporalize.pages.dev
+BACKEND_URL=https://shoraky-sporalize-api.hf.space
+ANALYSIS_PROXY_SECRET=
+COLAB_WORKER_SECRET=
 AGENT_API_URL=https://shoraky-sporalize-agent.hf.space
-AGENT_API_KEY=replace-with-the-Agent-service-secret
-# Optional: use the same random secret in the Colab notebook to register its worker.
-# COLAB_WORKER_SECRET=replace-with-a-different-random-secret-of-at-least-32-characters
+AGENT_API_KEY=
 SUPABASE_URL=https://your-project.supabase.co
-SUPABASE_ANON_KEY=your-publishable-or-anon-key
-SUPABASE_SERVICE_ROLE_KEY=your-service-role-or-secret-key
-CORE_REPO_ID=your-account/sporalize-core
-STORAGE_REPO_ID=your-account/sporalize-application-storage
-HF_TOKEN=hf_token_with_access_to_private_spaces_and_storage_repositories
-# Per-video upload ceiling; raise only if the Space has enough disk and memory.
+SUPABASE_ANON_KEY=
+SUPABASE_SERVICE_ROLE_KEY=
+CORE_REPO_ID=Shoraky/Sporalize-core
+CORE_REVISION=
+STORAGE_REPO_ID=Shoraky/Sporalize-storage
+HF_TOKEN=
 MAX_VIDEO_SIZE_MB=2048
-# CORE_REVISION=optional-pinned-revision
-# Internal Node/AI URLs are set automatically by start.py.