feat: add task lifecycle management and improve generation reliability

Centralize timeout policies, stall detection, and error classification
for image/video/text generation tasks. Improve ecommerce OSS upload flow
and add script evaluation enhancements.

Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>

src/features/workbench/workbenchConstants.ts

@@ -1,6 +1,7 @@
 import { isServerRequestError } from "../../api/serverConnection";
 import { ENTERPRISE_VIDEO_MODEL_OPTIONS } from "../../utils/enterpriseVideoPolicy";
 import type { WebGenerationPreviewTask } from "../../types";
+import type { GenerationLifecycleStatus, TaskRefundStatus, TextTokenUsage } from "../../utils/taskLifecycle";
 import type { ReactNode } from "react";
 
 export type WorkbenchMode = "chat" | "image" | "video";
@@ -71,7 +72,10 @@ export interface ChatMessage {
   body: string;
   prompt?: string;
   createdAt: string;
-  status?: "thinking" | "queued" | "completed" | "failed";
+  status?: "thinking" | "queued" | "completed" | "failed" | "stopping" | "local_timeout";
+  taskLifecycleStatus?: GenerationLifecycleStatus;
+  taskRefundStatus?: TaskRefundStatus;
+  taskUsage?: TextTokenUsage;
   taskId?: string;
   conversationId?: number;
   taskProgress?: number;
@@ -366,11 +370,16 @@ export function shouldPersistPatch(patch: Partial<ChatMessage>): boolean {
   return (
     patch.status === "completed" ||
     patch.status === "failed" ||
+    patch.status === "local_timeout" ||
+    patch.status === "stopping" ||
     typeof patch.taskId === "string" ||
     typeof patch.resultUrl === "string" ||
     typeof patch.resultOssKey === "string" ||
     typeof patch.resultOriginalUrl === "string" ||
-    typeof patch.resultMimeType === "string"
+    typeof patch.resultMimeType === "string" ||
+    typeof patch.taskRefundStatus === "string" ||
+    typeof patch.taskLifecycleStatus === "string" ||
+    typeof patch.taskUsage === "object"
   );
 }
 
@@ -401,4 +410,4 @@ export function buildAssistantResult(
     summary: "我会把当前输入整理成脚本、分镜、素材需求和可复制的工作流节点。",
     specs: [model, ...specs],
   };
-}
+}