Function writeAiConfig

src/workspaces/adapters/pi.ts:134–176

(cwd: string, cred: WorkspaceAiCred)

  },

  async writeAiConfig(cwd: string, cred: WorkspaceAiCred): Promise<void> {
    const hasProvider = !!(cred.baseUrl || cred.apiKey || cred.model);
    if (!hasProvider) {
      // Reset: drop the redirected agent dir → Pi falls back to global config.
      await rm(join(cwd, PI_AGENT_DIR), { recursive: true, force: true });
      return;
    }

    // Pi's `api` field is the wire shape: anthropic-messages / openai-responses /
    // openai-completions (Chat Completions, the default for CN/local gateways).
    const api = cred.wireShape === 'anthropic' ? 'anthropic-messages'
      : cred.wireShape === 'openai-responses' ? 'openai-responses'
      : 'openai-completions';
    const provider: Record<string, unknown> = {
      name: 'OpenAlice workspace provider',
      api,
    };
    if (cred.baseUrl) provider['baseUrl'] = cred.baseUrl;
    // Key written directly into the workspace file (same trust model as codex's
    // .codex/env.json / opencode's opencode.json).
    if (cred.apiKey) provider['apiKey'] = cred.apiKey;
    // Pi's custom model registry otherwise falls back to 128k. OpenAlice writes
    // the context window when known so long-context models do not compact early.
    if (cred.model) {
      const model: Record<string, unknown> = { id: cred.model };
      const contextWindow = positiveNumber(cred.contextWindow);
      if (contextWindow !== null) model['contextWindow'] = contextWindow;
      provider['models'] = [model];
    }

    await writeWorkspaceFile(
      cwd,
      PI_MODELS_PATH,
      JSON.stringify({ providers: { [PI_PROVIDER_NAME]: provider } }, null, 2) + '\n',
    );

    // Pin the default provider/model so spawns use the workspace provider
    // without --provider/--model. Lives in the SAME .pi-agent dir so reset
    // (rm .pi-agent) tears both down together.
    const settings: Record<string, unknown> = { defaultProvider: PI_PROVIDER_NAME };
    if (cred.model) settings['defaultModel'] = cred.model;
    await writeWorkspaceFile(cwd, PI_SETTINGS_PATH, JSON.stringify(settings, null, 2) + '\n');
  },

  async readAiConfig(cwd: string): Promise<WorkspaceAiCred | null> {
    const raw = await readWorkspaceFile(cwd, PI_MODELS_PATH);