Function captureThinkingConfig

packages/kosong/test/google-genai.test.ts:818–828

(
        effort: 'off' | 'low' | 'medium' | 'high',
      )

    describe('Gemini 3 thinking effort mapping', () => {
      async function captureThinkingConfig(
        effort: 'off' | 'low' | 'medium' | 'high',
      ): Promise<Record<string, unknown> | undefined> {
        const provider = createProvider({ model: 'gemini-3-pro-preview' }).withThinking(effort);
        const history: Message[] = [
          { role: 'user', content: [{ type: 'text', text: 'Think' }], toolCalls: [] },
        ];
        const body = await captureRequestBody(provider, '', [], history);
        const config = body['config'] as Record<string, unknown>;
        return config['thinking_config'] as Record<string, unknown> | undefined;
      }

      it('off minimizes thinking and hides thoughts (not just default config)', async () => {
        const thinkingConfig = await captureThinkingConfig('off');