Method resolveParentAutoResumeOptions

src/node/services/taskService.ts:1633–1676

* Derives auto-resume send options (agentId, model, thinkingLevel) from durable * conversation metadata, so synthetic resumes preserve the parent's active agent. * * Precedence: stream-end event metadata → last assistant message in history → workspace AI settings → defaults.

(
    parentWorkspaceId: string,
    parentEntry: {
      workspace: {
        aiSettingsByAgent?: Record<string, ResolvedWorkspaceAiSettings>;
        aiSettings?: ResolvedWorkspaceAiSettings;
      };
    },
    fallbackModel: string,
    hint?: ParentAutoResumeHint
  )

   * Precedence: stream-end event metadata → last assistant message in history → workspace AI settings → defaults.
   */
  private async resolveParentAutoResumeOptions(
    parentWorkspaceId: string,
    parentEntry: {
      workspace: {
        aiSettingsByAgent?: Record<string, ResolvedWorkspaceAiSettings>;
        aiSettings?: ResolvedWorkspaceAiSettings;
      };
    },
    fallbackModel: string,
    hint?: ParentAutoResumeHint
  ): Promise<{ model: string; agentId: string; thinkingLevel?: ThinkingLevel }> {
    // 1) Try stream-end hint metadata (available in handleStreamEnd path)
    let agentId = hint?.agentId;

    // 2) Fall back to latest assistant message metadata in history (restart-safe)
    if (!agentId) {
      try {
        const historyResult = await this.historyService.getLastMessages(parentWorkspaceId, 20);
        if (historyResult.success) {
          for (let i = historyResult.data.length - 1; i >= 0; i--) {
            const msg = historyResult.data[i];
            if (msg?.role === "assistant" && msg.metadata?.agentId) {
              agentId = msg.metadata.agentId;
              break;
            }
          }
        }
      } catch {
        // Best-effort; fall through to defaults
      }
    }

    // 3) Default
    // Keep task auto-resume recovery on exec even if the workspace default agent changes.
    // This path needs a deterministic editing-capable fallback for legacy/incomplete metadata.
    agentId = agentId ?? TASK_RECOVERY_FALLBACK_AGENT_ID;

    const aiSettings = this.resolveWorkspaceAISettings(parentEntry.workspace, agentId);
    return {
      model: aiSettings?.model ?? fallbackModel,
      agentId,
      thinkingLevel: aiSettings?.thinkingLevel,
    };
  }

  private async isPlanLikeTaskWorkspace(entry: {
    projectPath: string;