Function addDecisionStep

ui/src/stores/thinking.ts:102–108

(messageId: string, decision: string)

   * 添加决策步骤
   */
  const addDecisionStep = (messageId: string, decision: string) => {
    addStep(messageId, {
      type: "decision",
      content: decision,
      timestamp: Date.now(),
    });
  };

  /**
   * 添加审批步骤