## Summary - Adds `gemini-3.1-flash-lite-preview` to the Google AI models registry - Ultra-low-cost Gemini model ($0.25/M input, $1.50/M output) — half the price of Gemini 3 Flash - 1M context window, 64K max output, supports dynamic thinking - No service code changes needed — the existing `AiModelRegistryService` auto-discovers models from constants ## Changes - `ai-models-types.const.ts`: Added `gemini-3.1-flash-lite-preview` to the `ModelId` type union - `google-models.const.ts`: Added model configuration with pricing, context window, and capabilities ## Test plan - [ ] `npx nx typecheck twenty-server` passes - [ ] `npx nx lint twenty-server` passes - [ ] With `GOOGLE_API_KEY` set, model appears in available models list - [ ] Existing Gemini models unaffected --------- Co-authored-by: Claude Opus 4.6 <noreply@anthropic.com>