update the codebase poc ver1

secrets_template/.env.example

@@ -0,0 +1,73 @@
+# Environment Variables Template
+# Copy this file to `.env` and fill in real values.
+# Do NOT commit `.env` — it is ignored by .gitignore.
+
+# ============================================================
+# Cloud LLM Gateway (Backend)
+# ============================================================
+
+# Vertex AI / Gemini
+VERTEX_AI_PROJECT=vkist-project
+VERTEX_AI_LOCATION=asia-southeast1
+VERTEX_AI_GEMINI_ENDPOINT=https://asia-southeast1-aiplatform.googleapis.com/v1/projects/vkist-project/locations/asia-southeast1/publishers/google/models/gemini-2.5-pro:generateContent
+VERTEX_AI_MODEL=medgemma
+# GCP access token loaded from secrets/gcp_access_token.txt or via GCP_ACCESS_TOKEN_FILE
+
+# MedGemma Modal endpoint (Ollama web server)
+# Full /api/chat URL also accepted — base is normalized automatically.
+MODAL_MEDGEMMA_ENDPOINT=https://dtj-tran--ollama-medgemma-ollamaserver-web.modal.run
+MEDGEMMA_MODEL=medgemma:4b
+PORT=8080
+# MEDGEMMA_API_KEY loaded from secrets/modal_api_key.txt or via MEDGEMMA_API_KEY_FILE
+# MODAL_API_KEY is required by the Modal SDK itself
+
+# ============================================================
+# CORS
+# ============================================================
+# Comma-separated list of allowed frontend origins
+CORS_ORIGINS=http://localhost:3000,http://localhost:5173,http://localhost:4173
+
+# ============================================================
+# Storage / Triton
+# ============================================================
+TRITON_ENDPOINT=http://localhost:8080
+TEMP_DIR=/tmp/analysis_jobs
+
+# ============================================================
+# Redis
+# ============================================================
+REDIS_HOST=localhost
+REDIS_PORT=6379
+REDIS_DB=0
+
+# ============================================================
+# Image Processing
+# ============================================================
+CLAHE_CLIP_LIMIT=2.0
+CLAHE_TILE_SIZE=8,8
+
+# ============================================================
+# Exa Web Search (Agent Tools BFF)
+# ============================================================
+EXA_API_KEY=
+# Canonical API guide: https://docs.exa.ai/reference/search-api-guide-for-coding-agents
+
+# ============================================================
+# Supabase — Knowledge Semantic Vector DB
+# ============================================================
+SUPABASE_URL=https://<project-ref>.supabase.co
+SUPABASE_SERVICE_ROLE_KEY=
+# Optional: authenticated read + RPC from backend with user JWT
+SUPABASE_ANON_KEY=
+# PoC only: return zero vector for supabase_query embedding (not for production RAG quality)
+# EMBED_QUERY_MOCK=1
+
+# ============================================================
+# AWS S3 (if used)
+# ============================================================
+AWS_ACCESS_KEY_ID=
+AWS_SECRET_ACCESS_KEY=
+AWS_SESSION_TOKEN=
+AWS_REGION=
+AWS_DEFAULT_REGION=
+AWS_ENDPOINT_URL=