fix: 统一AI生成失败提示

core/frontend/src/routes/pipeline.tsx

@@ -4,6 +4,7 @@ import { Play } from "lucide-react";
 import { api, ApiError } from "../api";
 import type { Asset, BillingSummary, ExportPoll, ModelConfig, Product, Project, StoryboardShot, Team, TimelineSavePayload, User } from "../types";
 import { publicModelDisplayName } from "../model-display";
+import { isPublicGenerationError, presentGenerationError } from "../generation-error";
 import type { Notice, Page } from "./route-config";
 import { money, stageOrder, statusPill } from "./stage-config";
 import { CornerMarks, Decorations, Sidebar, ToastLike } from "../components/app-shell";
@@ -39,6 +40,11 @@ function statusLabel(status: string): string {
   if (status === "needs_review") return "待确认";
   return "待生成";
 }
+function generationTaskErrorText(error: unknown, fallback: string): string {
+  if (!isPublicGenerationError(error)) return fallback;
+  const presentation = presentGenerationError(error);
+  return `${presentation.title}：${presentation.description}`;
+}
 // 毫秒 → mm:ss(时间轴 / 字幕展示)
 function fmtMs(ms: number): string {
   const total = Math.max(0, Math.round(ms / 1000));
@@ -830,7 +836,7 @@ export function PipelinePage(props: {
           setExtractState("idle"); setExtractMsg(""); // 闸门据 entities_extracted 已落库 → 渲染层自动隐藏
         } else if (s.status === "failed") {
           setExtractState("idle"); setExtractMsg("");
-          setExtractErr(s.error || "提取失败,请重试");
+          setExtractErr(generationTaskErrorText(s.error, s.error_message || "提取失败，请重试"));
         } else {
           setExtractState("idle"); setExtractMsg(""); // 既不在途也无成败(理论不至于):收尾,别把 loading 永久挂住
         }
@@ -1439,7 +1445,14 @@ export function PipelinePage(props: {
             ok = true;
           } else if (evt.type === "error") {
             setChatMsgs((list) => list.map((m) => (m.id === progressId ? { ...m, done: true } : m)));
-            pushMsg("ai", `生成失败:${typeof evt.detail === "string" ? evt.detail : "请稍后重试"}`);
+            const publicError = isPublicGenerationError(evt.error) ? evt.error : null;
+            if (publicError) {
+              const presentation = presentGenerationError(publicError);
+              pushMsg("ai", `${presentation.title}：${presentation.description}`);
+            } else {
+              // 兼容尚未接入统一错误对象的安全本地校验帧。
+              pushMsg("ai", typeof evt.detail === "string" ? evt.detail : "脚本遇到问题，请稍后重试。");
+            }
           }
         },
         ac.signal