Function handleAgentEvent

ui/src/composables/useChatV2.ts:78–209

(type: string, ev: any, messageId?: string)

   * 处理 Agent 事件（统一分发）
   */
  const handleAgentEvent = (type: string, ev: any, messageId?: string) => {
    const currentMessageId = messageId || chatStore.lastAssistantMessage?.id || "";

    // === 思维事件 ===
    if (type === "think_chunk_start") {
      thinkingStore.startThinking(currentMessageId);
      return;
    }

    if (type === "think_chunk") {
      thinkingStore.handleThinkChunk(ev.delta || "");
      return;
    }

    if (type === "think_chunk_end") {
      thinkingStore.endThinking();
      return;
    }

    // === 工具事件 ===
    if (type === "tool:start") {
      const call = ev.Call || ev.call || {};
      toolsStore.handleToolStart(call);
      // 添加工具调用步骤到思维块
      if (currentMessageId) {
        thinkingStore.addToolCallStep(currentMessageId, call.name, call.arguments);
      }
      return;
    }

    if (type === "tool:progress") {
      const call = ev.Call || ev.call || {};
      toolsStore.handleToolProgress(call.id || call.ID, ev.progress ?? call.progress ?? 0, ev.message, ev.metadata);
      return;
    }

    if (type === "tool:intermediate") {
      const call = ev.Call || ev.call || {};
      toolsStore.handleToolIntermediate(call.id || call.ID, ev.label || "", ev.data);
      return;
    }

    if (type === "tool:end") {
      const call = ev.Call || ev.call || {};
      toolsStore.handleToolEnd(call);
      // 添加工具结果步骤到思维块
      if (currentMessageId) {
        thinkingStore.addToolResultStep(currentMessageId, call.result);
      }
      return;
    }

    if (type === "tool:error") {
      const call = ev.Call || ev.call || {};
      toolsStore.handleToolError(call.id || call.ID, ev.error || call.error);
      return;
    }