.env.example

# Database — matches docker-compose defaults, works out of the box
DATABASE_URL=postgresql://postgres:postgres@localhost:5433/reasoning_layer

# Backend
BACKEND_PORT=3002

# Anthropic — required for Phase 2 (prompt analysis + question generation)
ANTHROPIC_API_KEY=sk-ant-...

# Model selection — defaults shown, override to tune cost/quality tradeoff
CLASSIFIER_MODEL=claude-haiku-4-5-20251001
QUESTION_MODEL=claude-sonnet-4-6

# Embeddings — required for Phase 4 semantic search (optional: falls back to recency ordering)
# Assumption: OpenAI text-embedding-3-small (1536-dim, matches vector column)
# Swap EMBEDDING_MODEL to use a different OpenAI model, or replace embedder.ts for Voyage AI / local
OPENAI_API_KEY=sk-...
EMBEDDING_MODEL=text-embedding-3-small

# Slack — required for Phase 3 (stakeholder routing)
SLACK_BOT_TOKEN=xoxb-...
SLACK_APP_TOKEN=xapp-...
SLACK_ESCALATION_CHANNEL=C...

# Reviewer routing — which Slack user receives escalated questions by default
# Phase 3 adds per-repo and per-domain overrides
DEFAULT_PM_SLACK_ID=U...
DEFAULT_ARCH_SLACK_ID=U...