# Citelens configuration — copy to `.env` and fill in.
# Everything is optional for a first run: with no key set, Citelens uses a
# deterministic mock engine so the full loop works offline. Add a real key to
# switch to live answers automatically.

# --- GEO engines ---
# A run hits every engine. Each one runs live if its key is set, otherwise it
# falls back to the mock — so you can enable as many or as few as you like.
# Sentiment classification also uses the Gemini key when present.

# Gemini (default, free tier): https://aistudio.google.com/apikey
GEMINI_API_KEY=
GEMINI_MODEL=gemini-2.5-flash

# Claude (Anthropic web search): https://console.anthropic.com
ANTHROPIC_API_KEY=
ANTHROPIC_MODEL=claude-haiku-4-5

# ChatGPT (OpenAI Responses + web search): https://platform.openai.com
OPENAI_API_KEY=
OPENAI_MODEL=gpt-4o-mini

# Perplexity (sonar, native citations): https://www.perplexity.ai/settings/api
PERPLEXITY_API_KEY=
PERPLEXITY_MODEL=sonar

# --- Free browser mode (no API keys, no spend) ---
# Set CITELENS_BROWSER=1 to drive the real logged-in web UIs instead of the APIs.
# A run then hits Perplexity + Google AI Overview (no login) and ChatGPT + Gemini
# (log in once via the Connections page — the session is saved on disk).
# Experimental + opt-in: it automates your own browser, so it's slower and more
# fragile than the API path, and may be subject to each site's terms of use.
# CITELENS_BROWSER=1

# Run the browser without a visible window. Leave OFF for first-time logins.
# CITELENS_HEADLESS=1

# --- Storage ---
# SQLite file location. Defaults to ./citelens.db
# CITELENS_DB=./citelens.db