fix xdfx task start context recovery

frontend-web/src/pages/AgentChatPage.tsx

@@ -50,10 +50,18 @@ import {
   type TemplateRenderResult,
 } from "@/core/scheduled-tasks";
 import { env } from "@/env";
-import { readTaskContext, taskThreadMetadata } from "@/core/auth/task-purpose";
+import {
+  readTaskContext,
+  taskThreadMetadata,
+  type TaskContext,
+} from "@/core/auth/task-purpose";
 import { TaskPurposePanel } from "@/strategy-components/components/task-components/TaskPurposePanel";
 import { desensitize } from "@/lib/desensitize";
-import { buildTaskOpeningText, readCopTaskDetail } from "@/core/auth/task-deeplink";
+import {
+  buildTaskOpeningText,
+  readActionDetail,
+  readCopTaskDetail,
+} from "@/core/auth/task-deeplink";
 
 /** 内置「模板数据转换器」agent 的稳定 id。仅此 agent 的对话页显示「页面模板 + 渲染预览」调试入口。 */
 const TEMPLATE_BUILDER_AGENT_ID = "template-json-builder";
@@ -101,7 +109,8 @@ export default function AgentChatPage({
 
   // 任务深链上下文（taskId + 开场信息）：闸门(rwfx)与纯绑定(3qfx/xdfx)都要读取。
   const taskCtxOn = !!(taskGate || taskBind);
-  const taskContext = useMemo(() => {
+  const isXdfxTaskBind = !!chatBasePath?.includes("/plan-task-action/");
+  const taskContext = useMemo<TaskContext | null>(() => {
     if (!taskCtxOn) return null;
     const stored = readTaskContext();
     if (stored && stored.agentId === agent_id) return stored;
@@ -111,15 +120,28 @@ export default function AgentChatPage({
       const detail = readCopTaskDetail();
       const fallbackTaskId = detail?.id == null ? "" : String(detail.id).trim();
       if (detail && fallbackTaskId && agent_id) {
+        const actionDetail = isXdfxTaskBind ? readActionDetail() : null;
+        const actionId = actionDetail?.id ? String(actionDetail.id).trim() : "";
+        const actionTaskId = actionDetail?.taskId ? String(actionDetail.taskId).trim() : "";
+        const hasMatchingAction =
+          !!actionId && !!actionTaskId && actionTaskId === fallbackTaskId;
+        const actionInfo = hasMatchingAction
+          ? {
+              actionId,
+              actionName: actionDetail?.actionName,
+              narration: actionDetail?.narration,
+            }
+          : undefined;
         return {
           taskId: fallbackTaskId,
           agentId: agent_id,
-          openingText: buildTaskOpeningText(detail, fallbackTaskId),
+          openingText: buildTaskOpeningText(detail, fallbackTaskId, actionInfo),
+          ...(hasMatchingAction ? { actionId, partitionByAction: true } : {}),
         };
       }
     }
     return stored;
-  }, [agent_id, taskBind, taskCtxOn, taskGate]);
+  }, [agent_id, isXdfxTaskBind, taskBind, taskCtxOn, taskGate]);
   const taskId =
     taskCtxOn && taskContext && taskContext.agentId === agent_id
       ? taskContext.taskId