fix(web): 资源预览 - 请求明细资源失效时显示预览占位

web/src/pages/tasks/index.tsx

@@ -3,6 +3,7 @@ import { LayoutGrid, List, Plus, RefreshCw, Search, Trash2 } from "lucide-react"
 import { useCallback, useEffect, useMemo, useRef, useState } from "react";
 import { useSearchParams } from "react-router";
 
+import { MediaPreview } from "@/components/media-preview";
 import { ListToolbar, PageHeader, PaginationBar, WorkspacePage } from "@/components/layout/workspace-page";
 import { WorkspaceState } from "@/components/layout/workspace-state";
 import { CONTENT_MODERATION_ERROR_CODE, generationErrorMessage, isContentModerationError } from "@/lib/generation-error";
@@ -19,7 +20,6 @@ import { listProjects, type ProjectSummary } from "@/services/api/projects";
 import { TaskGridCard } from "./task-grid-card";
 import { TaskGroupHeader, type TaskGroup } from "./task-group-header";
 import { TaskListRow } from "./task-list-row";
-import { TaskMediaPreview } from "./task-media-preview";
 import { formatModelName, getTaskCanvasContext, isTaskFailed, providerCancelStatusLabel, taskMediaKind } from "./task-shared";
 import { TaskStatusFilterBar, type TaskStatusFilter } from "./task-status-filter";
 
@@ -587,7 +587,7 @@ export default function TasksPage() {
                 className="library-modal task-media-preview-modal"
             >
                 {mediaPreview ? (
-                    <TaskMediaPreview
+                    <MediaPreview
                         src={mediaPreview.url}
                         kind={mediaPreview.kind}
                         alt={mediaPreview.title}
@@ -628,7 +628,7 @@ function TaskResultMedia({ value, taskType }: { value?: string; taskType: string
                 {urls.map((url, index) => {
                     const isVideo = isVideoResult(url, taskType);
                     return (
-                        <TaskMediaPreview
+                        <MediaPreview
                             key={`${url}-${index}`}
                             src={url}
                             kind={isVideo ? "video" : "image"}

web/src/pages/tasks/task-grid-card.tsx

@@ -1,10 +1,10 @@
 import { Button, Tooltip } from "antd";
 import { Eye, FileText, Image as ImageIcon, RotateCcw, Video, X } from "lucide-react";
 
+import { MediaPreview } from "@/components/media-preview";
 import { CONTENT_MODERATION_ERROR_CODE, isContentModerationError } from "@/lib/generation-error";
 import { statusLabel } from "@/lib/generation-task-display";
 import type { GenerationTask } from "@/services/api/task-center";
-import { TaskMediaPreview } from "./task-media-preview";
 import { isTaskFailed, statusDotClassName, TaskDate } from "./task-shared";
 
 export function TaskGridCard({ task, actingId, onOpen, onRetry, onCancel }: { task: GenerationTask; actingId: string; onOpen: () => void; onRetry: () => void; onCancel: () => void }) {
@@ -17,7 +17,7 @@ export function TaskGridCard({ task, actingId, onOpen, onRetry, onCancel }: { ta
         <article className={`task-grid-card${isFailed ? " is-attention" : ""}`}>
             <div className="task-grid-thumb">
                 {task.previewUrl ? (
-                    <TaskMediaPreview src={task.previewUrl} kind={isVideo ? "video" : "image"} loading="lazy" className="h-full w-full object-cover" />
+                    <MediaPreview src={task.previewUrl} kind={isVideo ? "video" : "image"} loading="lazy" className="h-full w-full object-cover" />
                 ) : (
                     <Icon />
                 )}

web/src/pages/tasks/task-list-row.tsx

@@ -2,11 +2,11 @@ import { Button, Tooltip } from "antd";
 import { Eye, FileText, FolderKanban, Image as ImageIcon, Play, RotateCcw, Video, X } from "lucide-react";
 import { useState } from "react";
 
+import { MediaPreview } from "@/components/media-preview";
 import { CONTENT_MODERATION_ERROR_CODE, generationErrorMessage, isContentModerationError } from "@/lib/generation-error";
 import { formatTaskKind, statusLabel } from "@/lib/generation-task-display";
 import type { GenerationTask } from "@/services/api/task-center";
 import type { AiConfig } from "@/stores/use-config-store";
-import { TaskMediaPreview } from "./task-media-preview";
 import { formatModelName, getTaskCanvasContext, isTaskFailed, statusDotClassName, taskAttentionReason, TaskBilling, TaskDate } from "./task-shared";
 
 export function TaskListRow({
@@ -126,7 +126,7 @@ function TaskPreviewThumbnail({ task, onOpen }: { task: GenerationTask; onOpen:
             aria-label={previewUnavailable ? "预览不可用，素材可能已删除" : isVideo ? "放大预览生成视频" : "放大预览生成图片"}
             title={previewUnavailable ? "预览不可用，素材可能已删除" : undefined}
         >
-            <TaskMediaPreview src={task.previewUrl} kind={isVideo ? "video" : "image"} width={68} height={48} loading="lazy" className="h-full w-full object-cover" fallbackLabel="预览不可用" onUnavailable={() => setUnavailableUrl(task.previewUrl || "")} />
+            <MediaPreview src={task.previewUrl} kind={isVideo ? "video" : "image"} width={68} height={48} loading="lazy" className="h-full w-full object-cover" fallbackLabel="预览不可用" onUnavailable={() => setUnavailableUrl(task.previewUrl || "")} />
             {!previewUnavailable ? (
                 <span className="absolute inset-0 grid place-items-center bg-black/0 text-white opacity-0 transition-[background-color,opacity] duration-150 group-hover:bg-black/30 group-hover:opacity-100 group-focus-visible:bg-black/30 group-focus-visible:opacity-100">
                     {isVideo ? <Play className="size-4 fill-current" /> : <Eye className="size-4" />}

web/src/pages/tasks/task-media-preview.tsx

@@ -1,55 +0,0 @@
-import { ImageOff } from "lucide-react";
-import { useState } from "react";
-
-import { cn } from "@/lib/utils";
-
-const DEFAULT_UNAVAILABLE_LABEL = "预览不可用，素材可能已删除";
-
-export function TaskMediaPreview({
-    src,
-    kind,
-    alt = "",
-    className,
-    fallbackClassName,
-    fallbackLabel = DEFAULT_UNAVAILABLE_LABEL,
-    controls = false,
-    loading,
-    width,
-    height,
-    onUnavailable,
-}: {
-    src: string;
-    kind: "image" | "video";
-    alt?: string;
-    className?: string;
-    fallbackClassName?: string;
-    fallbackLabel?: string;
-    controls?: boolean;
-    loading?: "eager" | "lazy";
-    width?: number;
-    height?: number;
-    onUnavailable?: () => void;
-}) {
-    const [failedSrc, setFailedSrc] = useState("");
-    const unavailable = failedSrc === src;
-
-    const handleUnavailable = () => {
-        setFailedSrc(src);
-        onUnavailable?.();
-    };
-
-    if (unavailable) {
-        return (
-            <span className={cn("task-media-unavailable", fallbackClassName)} role="img" aria-label={fallbackLabel} title={fallbackLabel}>
-                <ImageOff aria-hidden="true" />
-                <span>{fallbackLabel}</span>
-            </span>
-        );
-    }
-
-    if (kind === "video") {
-        return <video src={src} width={width} height={height} muted={!controls} playsInline controls={controls} preload="metadata" className={className} onError={handleUnavailable} />;
-    }
-
-    return <img src={src} alt={alt} width={width} height={height} loading={loading} className={className} onError={handleUnavailable} />;
-}