Method resolveTaskAISettings

src/node/services/taskService.ts:1578–1625

(params: {
    cfg: ReturnType<Config["loadConfigOrDefault"]>;
    parentMeta: {
      aiSettingsByAgent?: Record<string, ResolvedWorkspaceAiSettings>;
      aiSettings?: ResolvedWorkspaceAiSettings;
    };
    agentId: string;
    modelString?: string;
    thinkingLevel?: ParsedThinkingInput;
    parentRuntimeAiSettings?: { modelString?: string; thinkingLevel?: ThinkingLevel };
  })

  }

  private resolveTaskAISettings(params: {
    cfg: ReturnType<Config["loadConfigOrDefault"]>;
    parentMeta: {
      aiSettingsByAgent?: Record<string, ResolvedWorkspaceAiSettings>;
      aiSettings?: ResolvedWorkspaceAiSettings;
    };
    agentId: string;
    modelString?: string;
    thinkingLevel?: ParsedThinkingInput;
    parentRuntimeAiSettings?: { modelString?: string; thinkingLevel?: ThinkingLevel };
  }): {
    taskModelString: string;
    canonicalModel: string;
    effectiveThinkingLevel: ThinkingLevel;
  } {
    const parentAiSettings = this.resolveWorkspaceAISettings(params.parentMeta, params.agentId);
    // Sub-agent defaults take priority over UI agent defaults per field for any agent invoked as a sub-agent.
    const subagentDefault = params.cfg.subagentAiDefaults?.[params.agentId];
    const agentDefault = params.cfg.agentAiDefaults?.[params.agentId];
    const parentRuntimeAiSettings = params.parentRuntimeAiSettings;

    const taskModelString =
      coerceNonEmptyString(params.modelString) ??
      coerceNonEmptyString(subagentDefault?.modelString) ??
      coerceNonEmptyString(agentDefault?.modelString) ??
      coerceNonEmptyString(parentRuntimeAiSettings?.modelString) ??
      coerceNonEmptyString(parentAiSettings?.model) ??
      defaultModel;
    const canonicalModel = normalizeToCanonical(taskModelString).trim();
    assert(canonicalModel.length > 0, "resolveTaskAISettings: resolved model must be non-empty");

    // Resolve an explicit override first so numeric thinking indices map into the
    // chosen model's allowed levels (named levels pass through unchanged).
    const overrideThinkingLevel =
      params.thinkingLevel != null
        ? resolveThinkingInput(params.thinkingLevel, canonicalModel)
        : undefined;
    const requestedThinkingLevel: ThinkingLevel =
      overrideThinkingLevel ??
      subagentDefault?.thinkingLevel ??
      agentDefault?.thinkingLevel ??
      parentRuntimeAiSettings?.thinkingLevel ??
      parentAiSettings?.thinkingLevel ??
      "off";
    const effectiveThinkingLevel = enforceThinkingPolicy(canonicalModel, requestedThinkingLevel);

    return { taskModelString, canonicalModel, effectiveThinkingLevel };
  }

  /**
   * Derives auto-resume send options (agentId, model, thinkingLevel) from durable