Merge branch 'dhk-1' of http://192.168.0.200/knowledge-base-bj/deerflow-server into dhk-1

frontend-web/src/roundtable-planning/hooks/useStep2Orchestration.ts

@@ -837,12 +837,22 @@ export function useStep2Orchestration(
   const findSeatArtifactSource = useCallback(
     (
       rawPath: string,
-    ): { seatThreadId: string; messageId: string; toolCallId: string } | null => {
+    ): {
+      seatThreadId: string;
+      messageId: string;
+      toolCallId: string;
+      /** stub 里捕获的文件内容（仅 write_file 有；str_replace / 跨账号草稿恢复时常为 undefined）。 */
+      content?: string;
+    } | null => {
       const target = rawPath.trim();
       if (!target) return null;
       const targetBase = target.split("/").pop() ?? target;
+      const readContent = (tc: { args?: unknown }): string | undefined => {
+        const c = (tc.args as { content?: unknown })?.content;
+        return typeof c === "string" ? c : undefined;
+      };
       let basenameMatch:
-        | { seatThreadId: string; messageId: string; toolCallId: string }
+        | { seatThreadId: string; messageId: string; toolCallId: string; content?: string }
         | null = null;
       for (const [seatThreadId, msgs] of Object.entries(
         seatStubMessagesRef.current,
@@ -857,10 +867,10 @@ export function useStep2Orchestration(
               : "";
           if (!p) continue;
           if (p === target) {
-            return { seatThreadId, messageId: msg.id, toolCallId: tc.id };
+            return { seatThreadId, messageId: msg.id, toolCallId: tc.id, content: readContent(tc) };
           }
           if (!basenameMatch && (p.split("/").pop() ?? p) === targetBase) {
-            basenameMatch = { seatThreadId, messageId: msg.id, toolCallId: tc.id };
+            basenameMatch = { seatThreadId, messageId: msg.id, toolCallId: tc.id, content: readContent(tc) };
           }
         }
       }
@@ -879,10 +889,11 @@ export function useStep2Orchestration(
       if (!normalized) return;
 
       // present_files 呈现的文件多半是子智能体 write_file 写入的:真实内容/thread 在 stub 里。
-      // 先反查 stub 走虚拟预览(内存内容)—— 关闭沙箱后再点文件卡也能显示,且不受
-      // 总控 coordinator thread 在后端 artifacts 路由下 not found 的影响。
+      // 先反查 stub:**仅当 stub 内存里确有内容**(流式期间 / 草稿恢复时捕获了 write_file content)
+      // 才走虚拟预览——关闭沙箱后再点也能显示,且不受总控 coordinator thread 在 artifacts 路由
+      // not found 的影响。
       const seatSource = findSeatArtifactSource(normalized);
-      if (seatSource) {
+      if (seatSource && typeof seatSource.content === "string" && seatSource.content.length > 0) {
         const virtualUrl = buildWriteFileVirtualUrl(
           normalized,
           seatSource.messageId,
@@ -896,9 +907,14 @@ export function useStep2Orchestration(
         return;
       }
 
-      if (!threadId) return;
+      // stub 无内容(str_replace、或**别的账号**打开共享任务会商草稿时 stub 没带上内容)→ 落 HTTP
+      // artifacts 接口拉取。优先用真实「子席位 thread」(present_files 的文件物理落在子席位、且
+      // 是 thread_type=roundtable 线程,后端按对话创建者解析路径 + 放行跨账号访问),它比 coordinator
+      // thread 更可能命中(coordinator 没有该文件 → 404)。这是修复「跨账号看不到第二步文件产物」的关键。
+      const effectiveThreadId = seatSource?.seatThreadId || threadId;
+      if (!effectiveThreadId) return;
 
-      setActiveArtifactThreadId(threadId);
+      setActiveArtifactThreadId(effectiveThreadId);
       const prev = artifactPathsRef.current;
       if (!prev.includes(normalized)) {
         const next = [...prev, normalized];