.env.example

# Required: Google Gemini API Key
GEMINI_API_KEY=your-gemini-api-key

# Required: Admin password for researcher dashboard
ADMIN_PASSWORD=your-admin-password

# Optional: Use Claude for interviews instead of Gemini
# ANTHROPIC_API_KEY=your-anthropic-api-key
# AI_PROVIDER=claude

# Optional: Override default AI models (per-provider)
# GEMINI_MODEL=gemini-2.5-flash
# CLAUDE_MODEL=claude-sonnet-4-5

# Legacy: Override AI model for all providers (deprecated, use provider-specific vars above)
# AI_MODEL=gemini-2.5-flash

# Optional: Separate secret for admin session tokens (defaults to ADMIN_PASSWORD)
# Using a dedicated secret improves security by isolating session auth from password
# SESSION_SECRET=your-session-secret

# Optional: Separate secret for participant tokens (defaults to ADMIN_PASSWORD)
# Using a dedicated secret improves security by isolating token signing from admin auth
# PARTICIPANT_TOKEN_SECRET=your-participant-token-secret

# Vercel KV - Auto-provisioned during Vercel deployment
# KV_REST_API_URL=
# KV_REST_API_TOKEN=