Method setMode

packages/acp-adapter/src/session.ts:440–449

* Forward an ACP `session/set_mode` request to the underlying SDK * session. * * Phase 12.2 supports the full 4-mode taxonomy (PLAN D9 at * `PLAN.md:85-106`): * * - `'default'` → `setPlanMode(false)` + `setPermission('manual')` * - `'plan'` → `setPlanMode(true)` + `setPerm

(modeId: SessionModeId)

   *    will see the rejection and can re-query state).
   */
  async setMode(modeId: SessionModeId): Promise<void> {
    if (!isAcpModeId(modeId)) {
      throw RequestError.invalidParams({ modeId }, `Unknown sessionModeId: ${modeId}`);
    }
    const { plan, permission } = acpModeToToggles(modeId);
    await this.session.setPlanMode(plan);
    await this.session.setPermission(permission);
    this.currentModeIdInternal = modeId;
    await this.emitConfigOptionUpdate();
  }

  /**
   * Push a `config_option_update` session notification carrying the