# 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=