Paul Kloppers 4ebbcef76b feat(redstone): add OpenRouter primary AI with Gemini fallback ...

Redstone now hits OpenRouter's `openrouter/free` auto-router first,
falling back to direct Gemini if the OpenRouter call fails (no key,
network error, or `:free` upstream rejected tool use). The auto-
router filters its free-model pool by the request's tool-calling
requirement, so we don't have to pin a specific free model.

- bot/bot.ts:
  - OPENROUTER_API_KEY / _FILE env (mirrors GEMINI_API_KEY_FILE)
  - OPENROUTER_MODEL defaults to "openrouter/free"
  - openRouterTools[] derived from existing geminiFunctionDeclarations
    (OpenAI-style {type:"function", function:{name,description,parameters}})
  - callOpenRouterOnce + runRedstoneTurnViaOpenRouter (parses JSON-string
    tool_calls.arguments, replies with role:"tool" + tool_call_id)
  - Existing Gemini path moved into runRedstoneTurnViaGemini
  - runRedstoneTurn dispatches OpenRouter first, Gemini on null
  - Early-return gate now passes if either key is configured

- docker-compose.yml:
  - new openrouter_token secret -> ./openrouter.token (gitignored)
  - OPENROUTER_API_KEY_FILE + OPENROUTER_MODEL env wired to the bot

- .gitignore: add openrouter.token (plus pre-existing gitea.token entry
  that was sitting uncommitted).

The key file itself is NOT committed (verified via git check-ignore).

Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>

2026-05-13 22:42:33 +02:00

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