diff --git a/backend/internal/handler/user_data.go b/backend/internal/handler/user_data.go
index e130d7dc7..d5800435a 100644
--- a/backend/internal/handler/user_data.go
+++ b/backend/internal/handler/user_data.go
@@ -295,8 +295,8 @@ func RegisterUserDataRoutes(r *gin.RouterGroup, svc *service.Service) {
 			return
 		}
 		if delivery.RedirectURL != "" {
-			// CDN 或对象存储直连地址允许安全短期缓存
-			c.Header("Cache-Control", "private, max-age=86400, stale-while-revalidate=3600")
+			// 签名链接仅有效 5 分钟；重定向缓存必须短于签名 TTL，避免命中过期地址。
+			c.Header("Cache-Control", "private, max-age=240")
 			c.Header("Referrer-Policy", "no-referrer")
 			c.Header("X-Content-Type-Options", "nosniff")
 			c.Redirect(http.StatusTemporaryRedirect, delivery.RedirectURL)
diff --git a/web/src/components/assets/asset-library-picker-modal.tsx b/web/src/components/assets/asset-library-picker-modal.tsx
index 5c781d6f9..84c68951d 100644
--- a/web/src/components/assets/asset-library-picker-modal.tsx
+++ b/web/src/components/assets/asset-library-picker-modal.tsx
@@ -488,7 +488,7 @@ export function AssetLibraryPickerModal({
                     </nav>
                     <div className="asset-picker-grid-wrap">
                         <div className="asset-picker-grid">
-                            {remoteEnabled && remoteQuery.isError ? <div role="alert">素材读取失败<Button onClick={() => void remoteQuery.refetch()}>重试</Button></div> : loading || (useRemoteItems && remoteQuery.isFetching) ? (
+                            {remoteEnabled && remoteQuery.isError && !localItems.length ? <div className="asset-picker-empty" role="alert"><FolderOpen /><strong>素材读取失败</strong><span>服务端暂时不可用，重试不会影响本地已保存素材。</span><Button onClick={() => void remoteQuery.refetch()}>重试</Button></div> : loading || (useRemoteItems && remoteQuery.isFetching) ? (
                                 <div className="asset-picker-empty">
                                     <LoaderCircle className="animate-spin" />
                                     <strong>正在读取素材</strong>
@@ -519,8 +519,8 @@ export function AssetLibraryPickerModal({
                                 </span>
                             </button>
                         </>
-                    ) : footerNote ? (
-                        <span className="asset-picker-footer-note">{footerNote}</span>
+                    ) : footerNote || (remoteEnabled && remoteQuery.isError) ? (
+                        <span className="asset-picker-footer-note">{remoteEnabled && remoteQuery.isError ? "云端素材暂时不可用，当前显示本地缓存" : footerNote}</span>
                     ) : (
                         <span />
                     )}
diff --git a/web/src/components/canvas/canvas-agent-skill-library-modal.tsx b/web/src/components/canvas/canvas-agent-skill-library-modal.tsx
index e04874931..a2430222a 100644
--- a/web/src/components/canvas/canvas-agent-skill-library-modal.tsx
+++ b/web/src/components/canvas/canvas-agent-skill-library-modal.tsx
@@ -1,6 +1,6 @@
 import { useEffect, useMemo, useRef, useState } from "react";
 import { Button, Input } from "antd";
-import { Check, LibraryBig, LoaderCircle, Plus, Search, Sparkles, Users } from "lucide-react";
+import { Check, LoaderCircle, Plus, Search, Sparkles, Users } from "lucide-react";
 
 import { AppModal } from "@/components/ui/product/app-modal";
 import type { CanvasTheme } from "@/lib/canvas-theme";
@@ -45,16 +45,20 @@ export function CanvasAgentSkillLibraryModal({
     onInstall,
     onLoadMore,
 }: CanvasAgentSkillLibraryModalProps) {
-    const [tab, setTab] = useState<SkillLibraryTab>("enabled");
+    const [tab, setTab] = useState<SkillLibraryTab>("market");
     const listRef = useRef<HTMLDivElement>(null);
     const loadMoreRef = useRef<HTMLDivElement>(null);
     const wasOpenRef = useRef(false);
     const selectedCount = selectedSkillIds.length;
 
     useEffect(() => {
-        if (open && !wasOpenRef.current) setTab(selectedCount > 0 ? "enabled" : "installed");
+        if (open && !wasOpenRef.current) setTab("market");
         wasOpenRef.current = open;
-    }, [open, selectedCount]);
+    }, [open]);
+
+    useEffect(() => {
+        listRef.current?.scrollTo({ top: 0 });
+    }, [category, search, tab]);
 
     const visibleSkills = useMemo(() => {
         const keyword = search.trim().toLocaleLowerCase("zh-CN");
@@ -86,16 +90,21 @@ export function CanvasAgentSkillLibraryModal({
     const categoryItems = useMemo(() => {
         const unique = new Map<string, SkillCategory>();
         categories.forEach((item) => {
-            if (item.value && item.label) unique.set(item.value, item);
+            if (item.value && item.value !== "all" && item.label) unique.set(item.value, item);
         });
-        return [{ value: "all", label: "全部" }, ...unique.values()];
+        return [...unique.values()];
     }, [categories]);
 
     const emptyText = tab === "enabled"
-        ? "本轮还没有启用 Skill，可在“已加入”中选择"
+        ? "本轮还没有启用技能，可在“我的技能”中选择"
         : tab === "installed"
-            ? "还没有匹配的已加入 Skill，可前往“发现 Skills”添加"
-            : "没有匹配的公开 Skill，换个关键词或分类试试";
+            ? "还没有匹配的已加入技能，可前往“全部”添加"
+            : "没有匹配的公开技能，换个关键词或分类试试";
+
+    const changeTab = (value: SkillLibraryTab) => {
+        setTab(value);
+        onCategoryChange("all");
+    };
 
     return (
         <AppModal
@@ -104,7 +113,16 @@ export function CanvasAgentSkillLibraryModal({
             title={null}
             footer={null}
             centered
-            width="min(1180px, calc(100vw - 24px))"
+            width="min(1180px, 66vw)"
+            closable={false}
+            modalRender={(modal) => (
+                <div className="canvas-agent-skill-library-frame">
+                    <button type="button" className="canvas-agent-skill-library-close" aria-label="关闭技能商店" onClick={onClose}>
+                        <kbd>ESC</kbd><span>关闭</span>
+                    </button>
+                    {modal}
+                </div>
+            )}
             onCancel={onClose}
             flush
         >
@@ -115,85 +133,78 @@ export function CanvasAgentSkillLibraryModal({
                 data-canvas-wheel-scroll
                 aria-label="Agent Skills 技能库"
             >
-                <header className="canvas-agent-skill-library-header">
-                    <div className="min-w-0">
-                        <div className="flex items-center gap-2 text-lg font-semibold">
-                            <LibraryBig className="size-5" aria-hidden="true" />
-                            Skills 技能库
-                        </div>
-                        <p className="mt-1 text-xs" style={{ color: theme.node.muted }}>按分类浏览和搜索技能，本轮最多启用 8 个，发送消息时固定版本。</p>
-                    </div>
-                    <div className="canvas-agent-skill-library-count" style={{ color: theme.node.muted }}>
-                        已启用 <strong style={{ color: selectedCount >= 8 ? "var(--destructive)" : theme.accent.primary }}>{selectedCount}</strong>/8
-                    </div>
-                </header>
-
-                <div className="canvas-agent-skill-library-toolbar">
-                    <div className="canvas-agent-skill-library-tabs" role="tablist" aria-label="Skills 视图">
-                        <SkillTab active={tab === "enabled"} label="已启用" count={selectedCount} onClick={() => setTab("enabled")} />
-                        <SkillTab active={tab === "installed"} label="已加入" count={installedSkills.length} onClick={() => setTab("installed")} />
-                        <SkillTab active={tab === "market"} label="发现 Skills" onClick={() => setTab("market")} />
-                    </div>
+                <aside className="canvas-agent-skill-library-sidebar">
                     <Input
                         allowClear
                         prefix={<Search className="size-4" style={{ color: theme.node.muted }} aria-hidden="true" />}
                         value={search}
                         onChange={(event) => onSearch(event.target.value)}
-                        placeholder="搜索 Skill 名称、说明或作者"
-                        aria-label="搜索 Skills"
+                        placeholder="搜索技能"
+                        aria-label="搜索技能名称、说明或作者"
                         className="canvas-agent-skill-library-search"
                     />
-                </div>
+                    <nav className="canvas-agent-skill-library-categories thin-scrollbar" aria-label="技能视图与分类">
+                        <SkillTab active={tab === "market" && category === "all"} label="全部" onClick={() => changeTab("market")} />
+                        <SkillTab active={tab === "installed"} label="我的技能" count={installedSkills.length} onClick={() => changeTab("installed")} />
+                        <SkillTab active={tab === "enabled"} label="已启用" count={selectedCount} onClick={() => changeTab("enabled")} />
+                        {categoryItems.map((item) => (
+                            <button
+                                key={item.value}
+                                type="button"
+                                className={`canvas-agent-skill-library-tab ${tab === "market" && category === item.value ? "is-active" : ""}`}
+                                aria-pressed={tab === "market" && category === item.value}
+                                onClick={() => { setTab("market"); onCategoryChange(item.value); }}
+                            >
+                                {item.label}
+                            </button>
+                        ))}
+                    </nav>
+                </aside>
 
-                <nav className="canvas-agent-skill-library-categories" aria-label="Skill 分类">
-                    {categoryItems.map((item) => (
-                        <button
-                            key={item.value}
-                            type="button"
-                            className={`canvas-agent-skill-category ${category === item.value ? "is-active" : ""}`}
-                            aria-pressed={category === item.value}
-                            onClick={() => onCategoryChange(item.value)}
-                        >
-                            {item.label}
+                <div className="canvas-agent-skill-library-content">
+                    <header className="canvas-agent-skill-library-header">
+                        <h2>技能商店</h2>
+                        <button type="button" className="canvas-agent-skill-library-count" onClick={() => changeTab("enabled")} aria-label={`查看本轮已启用的 ${selectedCount} 个技能，最多 8 个`}>
+                            已启用 <strong>{selectedCount}</strong><span> / 8</span>
                         </button>
-                    ))}
-                </nav>
+                    </header>
 
-                <div ref={listRef} className="canvas-agent-skill-library-list thin-scrollbar" role="tabpanel">
-                    {visibleSkills.map((skill) => (
-                        <SkillLibraryCard
-                            key={skill.skillId}
-                            skill={skill}
-                            theme={theme}
-                            categories={categories}
-                            selected={selectedSkillIds.includes(skill.skillId)}
-                            canSelect={selectedCount < 8 || selectedSkillIds.includes(skill.skillId)}
-                            onToggle={() => onToggle(skill.skillId)}
-                            onInstall={() => onInstall(skill)}
-                        />
-                    ))}
-                    {loading && visibleSkills.length === 0 ? (
-                        <div className="canvas-agent-skill-library-state" style={{ color: theme.node.muted }}>
-                            <LoaderCircle className="size-5 animate-spin motion-reduce:animate-none" aria-hidden="true" />
-                            正在读取技能库…
-                        </div>
-                    ) : null}
-                    {!loading && visibleSkills.length === 0 ? (
-                        <div className="canvas-agent-skill-library-state" style={{ color: theme.node.muted }}>
-                            <Sparkles className="size-6" aria-hidden="true" />
-                            <span>{emptyText}</span>
-                            {tab !== "market" ? <Button size="small" onClick={() => setTab("market")}>浏览公开 Skills</Button> : null}
-                        </div>
-                    ) : null}
-                    {tab === "market" && hasMore ? <div ref={loadMoreRef} className="col-span-full h-px" aria-hidden="true" /> : null}
+                    <div ref={listRef} className="canvas-agent-skill-library-list thin-scrollbar" aria-label="技能列表" aria-busy={loading}>
+                        {visibleSkills.map((skill) => (
+                            <SkillLibraryCard
+                                key={skill.skillId}
+                                skill={skill}
+                                theme={theme}
+                                categories={categories}
+                                selected={selectedSkillIds.includes(skill.skillId)}
+                                canSelect={selectedCount < 8 || selectedSkillIds.includes(skill.skillId)}
+                                onToggle={() => onToggle(skill.skillId)}
+                                onInstall={() => onInstall(skill)}
+                            />
+                        ))}
+                        {loading && visibleSkills.length === 0 ? (
+                            <div className="canvas-agent-skill-library-state" style={{ color: theme.node.muted }}>
+                                <LoaderCircle className="size-5 animate-spin motion-reduce:animate-none" aria-hidden="true" />
+                                正在读取技能库…
+                            </div>
+                        ) : null}
+                        {!loading && visibleSkills.length === 0 ? (
+                            <div className="canvas-agent-skill-library-state" style={{ color: theme.node.muted }}>
+                                <Sparkles className="size-6" aria-hidden="true" />
+                                <span>{emptyText}</span>
+                                {tab !== "market" ? <Button size="small" onClick={() => changeTab("market")}>浏览公开技能</Button> : null}
+                            </div>
+                        ) : null}
+                        {tab === "market" && hasMore ? <div ref={loadMoreRef} className="col-span-full h-px" aria-hidden="true" /> : null}
+                    </div>
+
+                    <footer className="canvas-agent-skill-library-footer" style={{ color: theme.node.muted, borderColor: theme.node.stroke }}>
+                        <span>{tab === "enabled" ? `${selectedCount} 个技能将在本轮生效` : tab === "installed" ? `${visibleSkills.length} 个已加入技能` : `已加载 ${marketSkills.length} 个公开技能`}</span>
+                        {tab === "market" && hasMore ? (
+                            <Button size="small" disabled={loading} loading={loading} onClick={() => void onLoadMore()}>{loading ? "加载中" : "加载更多"}</Button>
+                        ) : <span>{tab === "market" ? "已加载全部" : "最多启用 8 个"}</span>}
+                    </footer>
                 </div>
-
-                <footer className="canvas-agent-skill-library-footer" style={{ color: theme.node.muted, borderColor: theme.node.stroke }}>
-                    <span>{tab === "enabled" ? `${selectedCount} 个技能将在本轮生效` : tab === "installed" ? `${visibleSkills.length} 个已加入技能` : `已加载 ${marketSkills.length} 个公开技能`}</span>
-                    {tab === "market" && hasMore ? (
-                        <Button size="small" disabled={loading} loading={loading} onClick={() => void onLoadMore()}>{loading ? "加载中" : "加载更多"}</Button>
-                    ) : <span>{tab === "market" ? "已加载全部" : "最多启用 8 个"}</span>}
-                </footer>
             </section>
         </AppModal>
     );
@@ -201,7 +212,7 @@ export function CanvasAgentSkillLibraryModal({
 
 function SkillTab({ active, label, count, onClick }: { active: boolean; label: string; count?: number; onClick: () => void }) {
     return (
-        <button type="button" role="tab" aria-selected={active} className={`canvas-agent-skill-library-tab ${active ? "is-active" : ""}`} onClick={onClick}>
+        <button type="button" aria-pressed={active} className={`canvas-agent-skill-library-tab ${active ? "is-active" : ""}`} onClick={onClick}>
             {label}
             {typeof count === "number" ? <span>{count}</span> : null}
         </button>
@@ -219,7 +230,9 @@ function SkillLibraryCard({ skill, theme, categories, selected, canSelect, onTog
 }) {
     const [installing, setInstalling] = useState(false);
     const [coverFailed, setCoverFailed] = useState(false);
-    const coverUrl = skill.showcaseMedia?.find((item) => item.showcaseUrl)?.showcaseUrl;
+    const cover = skill.showcaseMedia?.find((item) => item.type === "image" && item.showcaseUrl)
+        || skill.showcaseMedia?.find((item) => item.showcaseUrl);
+    const coverUrl = cover?.showcaseUrl;
     const categoryLabel = categories.find((item) => item.value === skill.tag)?.label || "其他";
     const author = skill.effectiveUser?.name || "影策创作者";
     const addedCount = formatSkillCount(skill.addedCount || 0);
@@ -237,48 +250,49 @@ function SkillLibraryCard({ skill, theme, categories, selected, canSelect, onTog
     };
 
     return (
-        <article className={`canvas-agent-skill-card ${selected ? "is-selected" : ""}`} style={{ borderColor: selected ? theme.accent.primary : theme.node.stroke }}>
-            <div className="canvas-agent-skill-card-cover" style={{ background: theme.node.fill }}>
+        <article className={`canvas-agent-skill-card ${selected ? "is-selected" : ""}`}>
+            <div className="canvas-agent-skill-card-cover">
                 {coverUrl && !coverFailed ? (
-                    <img src={coverUrl} alt="" loading="lazy" onError={() => setCoverFailed(true)} />
+                    cover?.type === "video"
+                        ? <video src={coverUrl} muted playsInline preload="metadata" onError={() => setCoverFailed(true)} />
+                        : <img src={coverUrl} alt="" loading="lazy" onError={() => setCoverFailed(true)} />
                 ) : (
                     <div className="canvas-agent-skill-card-placeholder" aria-hidden="true">
                         <Sparkles className="size-7" />
                     </div>
                 )}
                 <span className="canvas-agent-skill-card-category">{categoryLabel}</span>
+                {selected ? <span className="canvas-agent-skill-card-selected" aria-label="本轮已启用"><Check className="size-4" aria-hidden="true" /></span> : null}
             </div>
             <div className="canvas-agent-skill-card-body">
                 <div className="canvas-agent-skill-card-title-row">
                     <h3 title={skill.skillName}>{skill.skillName}</h3>
-                    {skill.version ? <span className="canvas-agent-skill-card-version">v{skill.version}</span> : null}
+                    <div className="canvas-agent-skill-card-action">
+                        {skill.isAdded ? (
+                            <Button
+                                size="small"
+                                type="default"
+                                className={selected ? "is-selected" : ""}
+                                disabled={!canSelect}
+                                aria-pressed={selected}
+                                title={!canSelect ? "本轮最多启用 8 个 Skills" : undefined}
+                                onClick={onToggle}
+                            >
+                                {selected ? "已启用" : "使用"}
+                            </Button>
+                        ) : (
+                            <Button size="small" icon={<Plus className="size-3.5" />} loading={installing} disabled={installing || !canSelect} title={!canSelect ? "本轮最多启用 8 个 Skills" : undefined} onClick={() => void install()}>
+                                加入
+                            </Button>
+                        )}
+                    </div>
                 </div>
-                <p title={skill.description || "暂无技能说明"}>{skill.description || "暂无技能说明"}</p>
                 <div className="canvas-agent-skill-card-meta" style={{ color: theme.node.muted }}>
                     <span className="min-w-0 truncate">{author}</span>
-                    <span aria-hidden="true">·</span>
+                    {skill.version ? <><span aria-hidden="true">·</span><span className="canvas-agent-skill-card-version">v{skill.version}</span></> : null}
                     <span className="inline-flex shrink-0 items-center gap-1"><Users className="size-3.5" aria-hidden="true" />{addedCount}</span>
                 </div>
-            </div>
-            <div className="canvas-agent-skill-card-action">
-                {skill.isAdded ? (
-                    <Button
-                        size="small"
-                        type="default"
-                        className={selected ? "is-selected" : ""}
-                        icon={selected ? <Check className="size-3.5" /> : <Plus className="size-3.5" />}
-                        disabled={!canSelect}
-                        aria-pressed={selected}
-                        title={!canSelect ? "本轮最多启用 8 个 Skills" : undefined}
-                        onClick={onToggle}
-                    >
-                        {selected ? "已启用" : "启用"}
-                    </Button>
-                ) : (
-                    <Button size="small" icon={<Plus className="size-3.5" />} loading={installing} disabled={installing} onClick={() => void install()}>
-                        加入
-                    </Button>
-                )}
+                <p title={skill.description || "暂无技能说明"}>{skill.description || "暂无技能说明"}</p>
             </div>
         </article>
     );
diff --git a/web/src/components/canvas/canvas-batch-table-node.tsx b/web/src/components/canvas/canvas-batch-table-node.tsx
index 5c9350d3c..178df7586 100644
--- a/web/src/components/canvas/canvas-batch-table-node.tsx
+++ b/web/src/components/canvas/canvas-batch-table-node.tsx
@@ -277,7 +277,7 @@ export function CanvasBatchTableNodeContent({ node, nodes, connections, batch, t
                                         {readOnly ? "输入 @ 插入参考图" : "输入 @ 插入参考图 · ⌘/Ctrl + Enter 生成此行"}
                                     </div>
                                 </div>
-                                <div className="flex justify-center">
+                                <div className="flex h-16 min-h-16 items-center justify-center">
                                     <ResultThumbnail
                                         output={output}
                                         status={status}
@@ -366,7 +366,7 @@ function ReferenceThumbnail({ node, label, theme, readOnly, rowId, columnIndex,
                 data-batch-reference-cell
                 data-row-id={rowId}
                 data-column-index={columnIndex}
-                className="relative size-16 overflow-hidden rounded-lg border"
+                className="relative box-border grid size-16 shrink-0 place-items-center overflow-hidden rounded-lg border"
                 style={{ borderColor: filled ? theme.node.stroke : "transparent", opacity: isDraggingCell ? 0.55 : 1 }}
                 disabled={readOnly}
                 onPointerDown={onPointerDown}
@@ -382,7 +382,7 @@ function ReferenceThumbnail({ node, label, theme, readOnly, rowId, columnIndex,
                     if (file && !readOnly) onUploadFile(file);
                 }}
             >
-                {filled ? <CachedResourceImage eager src={node.metadata?.previewContent || node.metadata?.content} storageKey={node.metadata?.storageKey} alt={node.title || "参考图"} className="size-16 object-cover" fallback={fallback} /> : fallback}
+                {filled ? <CachedResourceImage eager src={node.metadata?.previewContent || node.metadata?.content} storageKey={node.metadata?.storageKey} alt={node.title || "参考图"} className="block size-full max-h-full max-w-full object-cover" fallback={fallback} /> : fallback}
                 <span className="absolute bottom-1 left-1 rounded px-1 py-0.5 text-[8px] font-medium text-white" style={{ background: "rgba(0,0,0,.58)" }}>{label}</span>
             </button>
         </Tooltip>
@@ -399,14 +399,14 @@ function ResultThumbnail({ output, status, theme, onFocus }: { output?: CanvasNo
                 type="button"
                 aria-label={title}
                 disabled={!output}
-                className="relative size-16 overflow-hidden rounded-lg border-2"
+                className="relative box-border grid size-16 shrink-0 place-items-center overflow-hidden rounded-lg border-2"
                 style={{ borderColor: tone, cursor: output ? "pointer" : "default" }}
                 onClick={(event) => {
                     event.stopPropagation();
                     if (output) onFocus();
                 }}
             >
-                {filled && output ? <CachedResourceImage eager src={output.metadata?.previewContent || output.metadata?.content} storageKey={output.metadata?.storageKey} alt="生成结果" className="size-16 object-cover" fallback={<EmptyThumbnail theme={theme} compact />} /> : <EmptyThumbnail theme={theme} compact />}
+                {filled && output ? <CachedResourceImage eager src={output.metadata?.previewContent || output.metadata?.content} storageKey={output.metadata?.storageKey} alt="生成结果" className="block size-full max-h-full max-w-full object-cover" fallback={<EmptyThumbnail theme={theme} compact />} /> : <EmptyThumbnail theme={theme} compact />}
                 {status.loading ? <span className="absolute inset-0 grid place-items-center bg-black/35"><LoaderCircle className="size-4 animate-spin" style={{ color: tone }} /></span> : null}
                 <span className="absolute right-1 top-1 size-2 rounded-full" style={{ background: tone }} />
             </button>
@@ -422,7 +422,7 @@ function statusColor(tone: RowStatusTone, fallback: string) {
 }
 
 function EmptyThumbnail({ theme, compact = false }: { theme: CanvasTheme; compact?: boolean }): ReactNode {
-    const sizeClass = compact ? "size-12" : "size-16";
+    const sizeClass = "size-full";
     return (
         <div
             className={`grid shrink-0 place-items-center rounded-lg border border-dashed ${sizeClass}`}
diff --git a/web/src/components/canvas/canvas-cloud-agent-chat-ui.tsx b/web/src/components/canvas/canvas-cloud-agent-chat-ui.tsx
index e9d3e35e7..99722cd0b 100644
--- a/web/src/components/canvas/canvas-cloud-agent-chat-ui.tsx
+++ b/web/src/components/canvas/canvas-cloud-agent-chat-ui.tsx
@@ -118,7 +118,6 @@ export function AgentChatMessage({
                         <ChevronDown className="agent-reasoning-chevron" aria-hidden="true" />
                     </summary>
                     <div className="agent-reasoning-content" data-canvas-wheel-scroll>
-                        <span className="agent-reasoning-rail" aria-hidden="true" />
                         <div className="agent-reasoning-text">{item.text || (item.streaming ? "正在整理思路…" : "暂无可展示的推理摘要")}</div>
                     </div>
                 </details>
@@ -235,7 +234,7 @@ export function AgentPendingToolCard({ summary, detail, theme, onReject, onAppro
     return (
         <div className="flex items-start gap-3">
             <AgentTimelineMarker theme={theme} tone="approval" icon={<CircleAlert className="size-3.5" />} />
-            <div className="agent-pending-tool min-w-0 flex-1 rounded-r-lg border-l-2 py-1 pl-3 pr-1" style={{ borderColor: "#f97316", background: "rgba(249,115,22,.05)", color: theme.node.text }}>
+            <div className="agent-pending-tool min-w-0 flex-1 rounded-lg border py-2 pl-3 pr-3" style={{ borderColor: "rgba(249,115,22,.22)", background: "rgba(249,115,22,.05)", color: theme.node.text }}>
                 <div className="flex items-start gap-3">
                     <div className="min-w-0 flex-1">
                         <div className="flex flex-wrap items-center gap-2 text-[13px] font-semibold leading-5">
@@ -835,7 +834,6 @@ function AgentTimelineMarker({ theme, tone, icon }: { theme: (typeof canvasTheme
     const color = tone === "error" ? "#ef4444" : tone === "approval" ? "#f97316" : tone === "tool" ? "#4f7cff" : tone === "agent" ? theme.accent.primary : theme.node.muted;
     return (
         <span className="relative flex w-6 shrink-0 self-stretch justify-center" aria-hidden="true">
-            <span className="absolute bottom-[-20px] top-6 w-px opacity-35" style={{ background: theme.toolbar.border }} />
             <span className="relative grid size-6 place-items-center rounded-full" style={{ background: tone === "agent" ? theme.accent.primarySoft : theme.node.fill, color }}>
                 {icon || <span className="size-3 opacity-90" style={{ background: color, WebkitMask: "url(/icons/openai.svg) center / contain no-repeat", mask: "url(/icons/openai.svg) center / contain no-repeat" }} />}
             </span>
diff --git a/web/src/components/canvas/canvas-cloud-agent.css b/web/src/components/canvas/canvas-cloud-agent.css
index 38bbe76c8..645f48331 100644
--- a/web/src/components/canvas/canvas-cloud-agent.css
+++ b/web/src/components/canvas/canvas-cloud-agent.css
@@ -96,19 +96,18 @@
 }
 
 .agent-tool-row {
-    /* 行为用图标和文案区分，颜色只留给真实的成功/失败状态。 */
+    /* 日志是事件流，不是连续卡片；只用间距和状态图标建立层次。 */
     --agent-tool-accent: color-mix(in srgb, var(--foreground) 62%, transparent);
-    min-height: 42px;
-    border: 1px solid color-mix(in srgb, var(--foreground) 11%, transparent);
-    border-radius: 14px;
-    background: color-mix(in srgb, var(--foreground) 2.5%, var(--background));
-    padding: 9px 10px;
-    transition: border-color 160ms ease, background-color 160ms ease, transform 160ms ease;
+    min-height: 36px;
+    border: 0;
+    border-radius: 8px;
+    background: transparent;
+    padding: 5px 2px;
+    transition: background-color 160ms ease, transform 160ms ease;
 }
 
 .agent-tool-row:hover {
-    border-color: color-mix(in srgb, var(--foreground) 20%, transparent);
-    background: color-mix(in srgb, var(--foreground) 4%, var(--background));
+    background: color-mix(in srgb, var(--foreground) 3%, transparent);
 }
 
 /* 没有节点明细的“读取信息 / 操作画布”只保留时间线语义，不再撑成一张空卡片。 */
@@ -151,11 +150,11 @@
     flex: 0 0 auto;
     align-items: center;
     gap: 5px;
-    border: 1px solid color-mix(in srgb, var(--foreground) 16%, transparent);
-    border-radius: 999px;
-    background: color-mix(in srgb, var(--foreground) 5%, transparent);
-    padding: 2px 7px 2px 6px;
-    color: color-mix(in srgb, var(--foreground) 76%, transparent);
+    border: 0;
+    border-radius: 5px;
+    background: color-mix(in srgb, var(--agent-tool-accent) 9%, transparent);
+    padding: 2px 5px;
+    color: color-mix(in srgb, var(--foreground) 68%, transparent);
     font-size: 10px;
     font-weight: 700;
     letter-spacing: 0.01em;
@@ -235,10 +234,18 @@
 .agent-composer-prompt-scroll {
     min-height: 60px;
     max-height: min(240px, 34vh);
+    min-width: 0;
     overflow-y: auto;
+    overflow-x: hidden;
     scrollbar-gutter: stable;
 }
 
+.agent-composer-prompt-scroll > [data-canvas-no-zoom] {
+    min-height: 0;
+    height: 100%;
+    max-height: 100%;
+}
+
 .agent-composer-resize-handle {
     display: grid;
     width: 100%;
@@ -398,17 +405,15 @@
 .agent-reasoning-card {
     min-width: 0;
     overflow: hidden;
-    border: 1px solid color-mix(in srgb, var(--foreground) 9%, transparent);
-    border-radius: 14px;
-    background: color-mix(in srgb, var(--foreground) 2.5%, var(--background));
-    box-shadow: 0 5px 18px color-mix(in srgb, var(--foreground) 3%, transparent);
-    transition: border-color 160ms ease, background-color 160ms ease, box-shadow 160ms ease;
+    border: 0;
+    border-radius: 10px;
+    background: transparent;
+    box-shadow: none;
+    transition: background-color 160ms ease;
 }
 
 .agent-reasoning-card[open] {
-    border-color: color-mix(in srgb, var(--agent-reasoning-accent) 28%, transparent);
     background: color-mix(in srgb, var(--agent-reasoning-accent) 3.5%, var(--background));
-    box-shadow: 0 8px 24px color-mix(in srgb, var(--agent-reasoning-accent) 7%, transparent);
 }
 
 .agent-reasoning-summary {
@@ -418,7 +423,7 @@
     gap: 9px;
     cursor: pointer;
     list-style: none;
-    padding: 9px 10px;
+    padding: 6px 4px;
     color: color-mix(in srgb, var(--foreground) 72%, transparent);
     user-select: none;
 }
@@ -437,9 +442,9 @@
     height: 25px;
     flex: 0 0 25px;
     place-items: center;
-    border: 1px solid color-mix(in srgb, var(--agent-reasoning-accent) 24%, transparent);
-    border-radius: 8px;
-    background: color-mix(in srgb, var(--agent-reasoning-accent) 11%, transparent);
+    border: 0;
+    border-radius: 50%;
+    background: color-mix(in srgb, var(--agent-reasoning-accent) 10%, transparent);
     color: var(--agent-reasoning-accent);
 }
 
@@ -477,10 +482,10 @@
     flex: 0 0 auto;
     align-items: center;
     gap: 5px;
-    border: 1px solid color-mix(in srgb, var(--foreground) 10%, transparent);
-    border-radius: 999px;
-    background: color-mix(in srgb, var(--foreground) 4%, transparent);
-    padding: 2px 7px;
+    border: 0;
+    border-radius: 5px;
+    background: transparent;
+    padding: 2px 4px;
     color: color-mix(in srgb, var(--foreground) 45%, transparent);
     font-size: 10px;
     font-weight: 600;
@@ -488,7 +493,6 @@
 }
 
 .agent-reasoning-status.is-live {
-    border-color: color-mix(in srgb, var(--agent-reasoning-accent) 22%, transparent);
     background: color-mix(in srgb, var(--agent-reasoning-accent) 9%, transparent);
     color: var(--agent-reasoning-accent);
 }
@@ -524,21 +528,13 @@
     position: relative;
     display: flex;
     max-height: min(232px, 30vh);
-    gap: 10px;
+    gap: 0;
     overflow: auto;
-    border-top: 1px solid color-mix(in srgb, var(--foreground) 7%, transparent);
-    padding: 10px 12px 12px 14px;
+    border-top: 0;
+    padding: 4px 10px 10px 38px;
     scrollbar-gutter: stable;
 }
 
-.agent-reasoning-rail {
-    width: 2px;
-    flex: 0 0 2px;
-    align-self: stretch;
-    border-radius: 999px;
-    background: linear-gradient(180deg, color-mix(in srgb, var(--agent-reasoning-accent) 72%, transparent), color-mix(in srgb, var(--agent-reasoning-accent) 12%, transparent));
-}
-
 .agent-reasoning-text {
     min-width: 0;
     color: color-mix(in srgb, var(--foreground) 58%, transparent);
@@ -873,170 +869,194 @@
     gap: 8px;
 }
 
+.canvas-agent-skill-library-modal .ant-modal {
+    padding-bottom: 0;
+    margin-top: var(--space-10);
+}
+
 .canvas-agent-skill-library-modal .ant-modal-container {
-    overflow: hidden;
-    border: 1px solid var(--border);
-    border-radius: var(--r-2xl);
-    padding: 0;
-    background: transparent;
-    box-shadow: 0 12px 36px rgba(0, 0, 0, 0.18), var(--elevation-hairline) !important;
+    border: 0;
+    border-radius: var(--r-5xl);
+    background: var(--background);
+    box-shadow: var(--elevation-overlay);
 }
 
-.canvas-agent-skill-library-modal .ant-modal-body {
-    padding: 0;
+.canvas-agent-skill-library-frame {
+    position: relative;
 }
 
-.canvas-agent-skill-library-modal .ant-modal-close {
-    top: 16px;
-    right: 16px;
-    width: 34px;
-    height: 34px;
+.canvas-agent-skill-library-close {
+    position: absolute;
+    top: calc(-1 * var(--space-10));
+    inset-inline-start: var(--space-2);
+    inset-inline-end: auto;
+    width: auto;
+    height: var(--space-8);
     border-radius: var(--r-md);
+    padding: 0 var(--space-2);
     color: var(--foreground);
-    background: color-mix(in srgb, var(--foreground) 7%, transparent);
+    background: transparent;
+    overflow: visible;
+    display: flex;
+    align-items: center;
+    gap: var(--space-2);
+    font-size: var(--fs-body);
 }
 
-.canvas-agent-skill-library-modal .ant-modal-close:hover {
-    background: color-mix(in srgb, var(--foreground) 12%, transparent);
+.canvas-agent-skill-library-close kbd {
+    border-radius: var(--r-xs);
+    background: var(--primary);
+    padding: var(--space-half) var(--space-2);
+    color: var(--primary-foreground);
+    font-size: var(--fs-caption);
 }
 
 .canvas-agent-skill-library-shell {
-    position: relative;
     display: grid;
-    height: min(780px, calc(100dvh - 36px));
-    grid-template-rows: auto auto auto minmax(0, 1fr) auto;
+    height: min(700px, 66dvh);
+    max-height: calc(100dvh - 88px);
+    grid-template-columns: 176px minmax(0, 1fr);
     overflow: hidden;
     border-radius: inherit;
-    background:
-        radial-gradient(circle at 0 0, color-mix(in srgb, var(--workspace-accent) 7%, transparent), transparent 34%),
-        var(--cn-spatial-elevated, var(--background));
+}
+
+.canvas-agent-skill-library-sidebar {
+    display: flex;
+    min-height: 0;
+    min-width: 0;
+    flex-direction: column;
+    gap: var(--space-5);
+    margin: var(--space-6) 0;
+    border-right: 1px solid var(--border);
+    padding: 0 var(--space-3);
+}
+
+.canvas-agent-skill-library-search.ant-input-affix-wrapper {
+    flex: 0 0 auto;
+    height: var(--space-12);
+    border: 0;
+    border-radius: var(--r-full);
+    background: var(--library-surface);
+    padding-inline: var(--space-4);
+    font-size: var(--fs-body);
+}
+
+.canvas-agent-skill-library-search .ant-input-prefix {
+    margin-inline-end: var(--space-2);
+}
+
+.canvas-agent-skill-library-categories {
+    display: flex;
+    min-height: 0;
+    flex-direction: column;
+    gap: var(--space-1);
+    overflow-y: auto;
+    padding: var(--space-1);
+    overscroll-behavior: contain;
+}
+
+.canvas-agent-skill-library-tab {
+    display: flex;
+    min-height: var(--space-12);
+    flex: 0 0 auto;
+    align-items: center;
+    gap: var(--space-3);
+    border: 0;
+    border-radius: var(--r-lg);
+    padding: var(--space-3);
+    color: var(--muted-foreground);
+    font-size: var(--fs-body-lg);
+    text-align: left;
+    overflow-wrap: anywhere;
+    transition: background-color var(--motion-dur-fast) ease, color var(--motion-dur-fast) ease;
+}
+
+.canvas-agent-skill-library-tab::before {
+    width: var(--space-1);
+    height: var(--space-1);
+    flex: 0 0 auto;
+    border-radius: var(--r-full);
+    background: currentColor;
+    content: "";
+    opacity: 0.4;
+}
+
+.canvas-agent-skill-library-tab span {
+    margin-left: auto;
+    color: var(--muted-foreground);
+    font-size: var(--fs-caption);
+    font-variant-numeric: tabular-nums;
+}
+
+.canvas-agent-skill-library-tab:hover {
+    background: var(--library-surface-hover);
+    color: var(--foreground);
+}
+
+.canvas-agent-skill-library-tab.is-active {
+    color: var(--foreground);
+    font-weight: 650;
+}
+
+.canvas-agent-skill-library-tab.is-active::before {
+    opacity: 1;
+}
+
+.canvas-agent-skill-library-content {
+    container: agent-skill-content / inline-size;
+    display: flex;
+    min-width: 0;
+    min-height: 0;
+    flex-direction: column;
 }
 
 .canvas-agent-skill-library-header {
     display: flex;
     min-width: 0;
+    flex: 0 0 auto;
     align-items: center;
     justify-content: space-between;
-    gap: 20px;
-    padding: 18px 64px 14px 20px;
+    gap: var(--space-4);
+    padding: var(--space-5) var(--space-6);
 }
 
-.canvas-agent-skill-library-header p {
-    margin-bottom: 0;
+.canvas-agent-skill-library-header h2 {
+    margin: 0;
+    font-size: var(--fs-title);
+    font-weight: 650;
 }
 
 .canvas-agent-skill-library-count {
     flex: 0 0 auto;
-    border: 1px solid color-mix(in srgb, var(--foreground) 9%, transparent);
-    border-radius: var(--r-lg);
-    background: color-mix(in srgb, var(--foreground) 4%, transparent);
-    padding: 7px 10px;
-    font-size: var(--fs-label);
+    border: 0;
+    border-radius: var(--r-full);
+    background: var(--library-surface);
+    padding: var(--space-2-half) var(--space-4);
+    color: var(--foreground);
+    font-size: var(--fs-caption);
     font-variant-numeric: tabular-nums;
 }
 
-.canvas-agent-skill-library-toolbar {
-    display: grid;
-    grid-template-columns: minmax(0, 1fr) minmax(280px, 430px);
-    align-items: center;
-    gap: 14px;
-    padding: 0 20px 12px;
+.canvas-agent-skill-library-count:hover {
+    background: var(--library-surface-hover);
 }
 
-.canvas-agent-skill-library-tabs {
-    display: flex;
-    min-width: 0;
-    align-items: center;
-    gap: 4px;
-}
-
-.canvas-agent-skill-library-tab {
-    display: inline-flex;
-    min-height: 38px;
-    flex: 0 0 auto;
-    align-items: center;
-    gap: 7px;
-    border-radius: var(--r-md);
-    padding: 0 12px;
-    color: color-mix(in srgb, var(--foreground) 56%, transparent);
-    font-size: var(--fs-caption);
-    font-weight: 560;
-    transition: background-color var(--motion-dur-fast) var(--motion-ease-out), color var(--motion-dur-fast) var(--motion-ease-out);
-}
-
-.canvas-agent-skill-library-tab span {
-    min-width: 20px;
-    border-radius: 999px;
-    background: color-mix(in srgb, currentColor 9%, transparent);
-    padding: 1px 6px;
-    font-size: var(--fs-tiny);
-    line-height: 18px;
-    text-align: center;
-}
-
-.canvas-agent-skill-library-tab:hover {
-    background: color-mix(in srgb, var(--foreground) 4%, transparent);
-    color: color-mix(in srgb, var(--foreground) 76%, transparent);
-}
-
-.canvas-agent-skill-library-tab.is-active {
-    background: color-mix(in srgb, var(--foreground) 5%, transparent);
-    color: color-mix(in srgb, var(--foreground) 78%, transparent);
-}
-
-.canvas-agent-skill-library-search {
-    height: 40px;
-    border-radius: var(--r-lg);
-}
-
-.canvas-agent-skill-library-categories {
-    display: flex;
-    min-width: 0;
-    gap: 8px;
-    overflow-x: auto;
-    border-top: 1px solid color-mix(in srgb, var(--foreground) 7%, transparent);
-    border-bottom: 1px solid color-mix(in srgb, var(--foreground) 7%, transparent);
-    padding: 10px 20px;
-    overscroll-behavior-x: contain;
-    scrollbar-width: none;
-}
-
-.canvas-agent-skill-library-categories::-webkit-scrollbar {
-    display: none;
-}
-
-.canvas-agent-skill-category {
-    min-height: 34px;
-    flex: 0 0 auto;
-    border: 1px solid color-mix(in srgb, var(--foreground) 9%, transparent);
-    border-radius: var(--r-md);
-    padding: 0 13px;
-    color: color-mix(in srgb, var(--foreground) 58%, transparent);
-    font-size: var(--fs-caption);
-    transition: border-color var(--motion-dur-fast) var(--motion-ease-out), background-color var(--motion-dur-fast) var(--motion-ease-out), color var(--motion-dur-fast) var(--motion-ease-out);
-}
-
-.canvas-agent-skill-category:hover {
-    border-color: color-mix(in srgb, var(--foreground) 20%, transparent);
-    color: var(--foreground);
-}
-
-.canvas-agent-skill-category.is-active {
-    border-color: color-mix(in srgb, var(--workspace-accent) 34%, var(--border));
-    background: color-mix(in srgb, var(--workspace-accent) 11%, transparent);
-    color: var(--workspace-accent);
+.canvas-agent-skill-library-count span {
+    color: var(--muted-foreground);
 }
 
 .canvas-agent-skill-library-list {
     display: grid;
     min-height: 0;
-    grid-template-columns: repeat(2, minmax(0, 1fr));
+    flex: 1;
+    grid-template-columns: repeat(3, minmax(0, 1fr));
     grid-auto-rows: max-content;
     align-content: start;
-    gap: 12px;
+    gap: var(--space-6) var(--space-4);
     overflow-y: auto;
-    padding: 16px 20px;
+    padding: var(--space-1) var(--space-6) var(--space-6);
     overscroll-behavior: contain;
+    scrollbar-gutter: stable;
 }
 
 .canvas-agent-skill-library-state {
@@ -1045,54 +1065,52 @@
     grid-column: 1 / -1;
     place-items: center;
     align-content: center;
-    gap: 10px;
-    padding: 28px;
-    font-size: var(--fs-caption);
+    gap: var(--space-3);
+    padding: var(--space-6);
+    font-size: var(--fs-body);
     text-align: center;
 }
 
 .canvas-agent-skill-card {
-    display: grid;
     min-width: 0;
-    min-height: 136px;
-    grid-template-columns: 164px minmax(0, 1fr) auto;
-    gap: 14px;
-    overflow: hidden;
-    border: 1px solid var(--border);
-    border-radius: var(--r-xl);
-    background: color-mix(in srgb, var(--foreground) 3%, transparent);
-    padding: 11px;
-    transition: border-color var(--motion-dur-fast) var(--motion-ease-out), background-color var(--motion-dur-fast) var(--motion-ease-out), transform var(--motion-dur-fast) var(--motion-ease-out);
+    border: 0;
+    border-radius: var(--r-2xl);
+    transition: transform var(--motion-state) var(--motion-ease-out), background-color var(--motion-state) ease;
 }
 
-.canvas-agent-skill-card:hover {
-    border-color: color-mix(in srgb, var(--foreground) 22%, transparent) !important;
-    background: color-mix(in srgb, var(--foreground) 5%, transparent);
-    transform: translateY(-1px);
+.canvas-agent-skill-card:hover,
+.canvas-agent-skill-card:focus-within {
+    transform: translateY(var(--library-hover-offset));
+    background: var(--library-surface-hover);
 }
 
-.canvas-agent-skill-card.is-selected {
-    background: color-mix(in srgb, var(--workspace-accent) 7%, transparent);
-    box-shadow: inset 0 0 0 1px color-mix(in srgb, var(--workspace-accent) 24%, transparent);
+.canvas-agent-skill-card:hover .canvas-agent-skill-card-cover img,
+.canvas-agent-skill-card:focus-within .canvas-agent-skill-card-cover img {
+    transform: scale(1.025);
 }
 
 .canvas-agent-skill-card-cover {
     position: relative;
     min-width: 0;
     overflow: hidden;
-    border-radius: var(--r-lg);
-    aspect-ratio: 16 / 10;
+    border-radius: var(--r-2xl);
+    aspect-ratio: 16 / 9;
+    background: var(--library-cover-surface);
+    transition: outline-color var(--motion-dur-fast) ease;
 }
 
-.canvas-agent-skill-card-cover img {
+.canvas-agent-skill-card.is-selected .canvas-agent-skill-card-cover {
+    outline: 1px solid var(--library-selected-stroke);
+    outline-offset: 2px;
+}
+
+.canvas-agent-skill-card-cover img,
+.canvas-agent-skill-card-cover video {
+    display: block;
     width: 100%;
     height: 100%;
     object-fit: cover;
-    transition: transform var(--motion-dur-base) var(--motion-ease-out);
-}
-
-.canvas-agent-skill-card:hover .canvas-agent-skill-card-cover img {
-    transform: scale(1.025);
+    transition: transform var(--motion-state) var(--motion-ease-out);
 }
 
 .canvas-agent-skill-card-placeholder {
@@ -1100,258 +1118,242 @@
     width: 100%;
     height: 100%;
     place-items: center;
-    color: color-mix(in srgb, var(--workspace-accent) 64%, var(--foreground));
-    background:
-        radial-gradient(circle at 30% 20%, color-mix(in srgb, var(--workspace-accent) 28%, transparent), transparent 46%),
-        linear-gradient(145deg, color-mix(in srgb, var(--foreground) 8%, transparent), color-mix(in srgb, var(--foreground) 2%, transparent));
+    color: var(--muted-foreground);
+    background: var(--library-cover-surface);
 }
 
 .canvas-agent-skill-card-category {
     position: absolute;
-    top: 7px;
-    right: 7px;
-    max-width: calc(100% - 14px);
+    bottom: var(--space-3);
+    left: var(--space-3);
+    max-width: calc(100% - var(--space-6));
     overflow: hidden;
-    border: 1px solid color-mix(in srgb, white 18%, transparent);
-    border-radius: var(--r-md);
-    background: color-mix(in srgb, black 62%, transparent);
-    padding: 2px 7px;
-    color: white;
+    border-radius: var(--r-sm);
+    background: color-mix(in srgb, var(--color-neutral-950) 75%, transparent);
+    padding: var(--space-1) var(--space-2);
+    color: var(--color-neutral-0);
     font-size: var(--fs-tiny);
-    line-height: 19px;
     text-overflow: ellipsis;
     white-space: nowrap;
     backdrop-filter: blur(8px);
 }
 
+.canvas-agent-skill-card-selected {
+    position: absolute;
+    top: var(--space-3);
+    right: var(--space-3);
+    display: grid;
+    width: var(--space-8);
+    height: var(--space-8);
+    place-items: center;
+    border-radius: var(--r-full);
+    color: var(--control-selected-fg);
+    background: var(--control-selected-bg);
+}
+
 .canvas-agent-skill-card-body {
     display: flex;
     min-width: 0;
     flex-direction: column;
-    padding: 4px 0 2px;
+    gap: var(--space-2);
+    padding-top: var(--space-3);
 }
 
 .canvas-agent-skill-card-title-row {
     display: flex;
     min-width: 0;
-    align-items: baseline;
-    gap: 8px;
+    align-items: center;
+    justify-content: space-between;
+    gap: var(--space-3);
 }
 
 .canvas-agent-skill-card-title-row h3 {
     min-width: 0;
     overflow: hidden;
     margin: 0;
-    color: var(--foreground);
-    font-size: 15px;
+    color: inherit;
+    font-size: var(--fs-heading);
     font-weight: 650;
-    line-height: 22px;
+    line-height: 1.5;
     text-overflow: ellipsis;
     white-space: nowrap;
 }
 
-.canvas-agent-skill-card-version {
-    flex: 0 0 auto;
-    color: color-mix(in srgb, var(--foreground) 42%, transparent);
-    font-size: var(--fs-tiny);
-}
-
 .canvas-agent-skill-card-body > p {
     display: -webkit-box;
     min-width: 0;
     overflow: hidden;
-    margin: 7px 0 10px;
-    color: color-mix(in srgb, var(--foreground) 54%, transparent);
-    font-size: var(--fs-label);
-    line-height: 19px;
+    margin: 0;
+    color: var(--muted-foreground);
+    font-size: var(--fs-body);
+    line-height: 1.65;
     -webkit-box-orient: vertical;
     -webkit-line-clamp: 2;
+    overflow-wrap: anywhere;
 }
 
 .canvas-agent-skill-card-meta {
     display: flex;
     min-width: 0;
     align-items: center;
-    gap: 6px;
-    margin-top: auto;
-    font-size: var(--fs-label);
+    gap: var(--space-2);
+    font-size: var(--fs-caption);
+}
+
+.canvas-agent-skill-card-version {
+    flex: 0 1 auto;
+    overflow: hidden;
+    text-overflow: ellipsis;
+    white-space: nowrap;
 }
 
 .canvas-agent-skill-card-action {
-    display: flex;
-    align-items: flex-start;
-    padding-top: 3px;
+    flex: 0 0 auto;
 }
 
 .canvas-agent-skill-card-action .ant-btn {
-    min-width: 76px;
-    border-radius: var(--r-md);
+    min-width: var(--space-16);
+    height: var(--space-8);
+    border: 0;
+    border-radius: var(--r-full);
+    background: var(--primary);
+    padding-inline: var(--space-3);
+    color: var(--primary-foreground);
+    box-shadow: none;
+    font-size: var(--fs-body);
 }
 
-.canvas-agent-skill-card-action .ant-btn.is-selected {
-    border-color: color-mix(in srgb, var(--workspace-accent) 32%, var(--border));
-    background: color-mix(in srgb, var(--workspace-accent) 13%, transparent);
-    color: var(--workspace-accent);
-    box-shadow: none;
+.canvas-agent-skill-card-action .ant-btn:not(:disabled):hover {
+    background: color-mix(in srgb, var(--primary) 85%, var(--background));
+    color: var(--primary-foreground);
+}
+
+.canvas-agent-skill-card-action .ant-btn.is-selected,
+.canvas-agent-skill-card-action .ant-btn.is-selected:not(:disabled):hover {
+    background: var(--control-selected-bg);
+    color: var(--control-selected-fg);
+}
+
+.canvas-agent-skill-card-action .ant-btn:disabled {
+    background: var(--library-surface);
+    color: var(--muted-foreground);
+    opacity: 0.6;
 }
 
 .canvas-agent-skill-library-footer {
     display: flex;
-    min-height: 48px;
+    min-height: var(--space-12);
+    flex: 0 0 auto;
     align-items: center;
     justify-content: space-between;
-    gap: 16px;
-    border-top: 1px solid;
-    padding: 8px 20px;
-    font-size: var(--fs-label);
+    gap: var(--space-4);
+    padding: var(--space-2) var(--space-6);
+    font-size: var(--fs-caption);
 }
 
 .canvas-agent-skill-library-tab:focus-visible,
-.canvas-agent-skill-category:focus-visible {
+.canvas-agent-skill-library-close:focus-visible,
+.canvas-agent-skill-library-count:focus-visible {
     outline: 2px solid var(--ring);
     outline-offset: 2px;
 }
 
-@media (max-width: 920px) {
+@container agent-skill-content (max-width: 660px) {
     .canvas-agent-skill-library-list {
-        grid-template-columns: minmax(0, 1fr);
+        grid-template-columns: repeat(2, minmax(0, 1fr));
     }
 }
 
-@media (max-width: 680px) {
+@media (max-width: 900px) {
+    .canvas-agent-skill-library-modal .ant-modal {
+        width: calc(100vw - 32px) !important;
+    }
+
     .canvas-agent-skill-library-shell {
-        height: calc(100dvh - 24px);
+        height: min(700px, calc(100dvh - 88px));
     }
 
-    .canvas-agent-skill-library-header {
-        align-items: flex-start;
-        gap: 10px;
-        padding: 16px 56px 12px 14px;
+    .canvas-agent-skill-library-header,
+    .canvas-agent-skill-library-list,
+    .canvas-agent-skill-library-footer {
+        padding-inline: var(--space-5);
     }
 
-    .canvas-agent-skill-library-header p {
-        display: none;
+    .canvas-agent-skill-library-sidebar {
+        padding-inline: var(--space-3);
+    }
+}
+
+@media (max-width: 639px) {
+    .canvas-agent-skill-library-modal .ant-modal-container {
+        border-radius: var(--r-4xl);
     }
 
-    .canvas-agent-skill-library-count {
-        padding: 5px 8px;
-    }
-
-    .canvas-agent-skill-library-toolbar {
+    .canvas-agent-skill-library-shell {
         grid-template-columns: minmax(0, 1fr);
-        gap: 8px;
-        padding: 0 14px 10px;
+        grid-template-rows: auto minmax(0, 1fr);
     }
 
-    .canvas-agent-skill-library-tabs {
-        overflow-x: auto;
-        scrollbar-width: none;
+    .canvas-agent-skill-library-sidebar {
+        gap: var(--space-2);
+        margin: 0;
+        border-right: 0;
+        padding: var(--space-4) var(--space-4) 0;
     }
 
-    .canvas-agent-skill-library-tabs::-webkit-scrollbar {
-        display: none;
+    .canvas-agent-skill-library-search.ant-input-affix-wrapper {
+        height: var(--space-10);
     }
 
     .canvas-agent-skill-library-categories {
-        padding: 8px 14px;
-    }
-
-    .canvas-agent-skill-library-list {
-        gap: 10px;
-        padding: 12px 14px;
-    }
-
-    .canvas-agent-skill-library-footer {
-        min-height: 44px;
-        padding: 6px 14px;
-    }
-}
-
-@media (max-width: 560px) {
-    .canvas-agent-skill-library-header {
-        flex-wrap: wrap;
-    }
-
-    .canvas-agent-skill-library-count {
-        position: absolute;
-        top: 17px;
-        right: 56px;
+        flex-direction: row;
+        gap: var(--space-1);
+        overflow-x: auto;
+        overscroll-behavior-x: contain;
     }
 
     .canvas-agent-skill-library-tab {
-        min-height: 34px;
-        padding: 0 9px;
-        font-size: var(--fs-label);
-    }
-
-    .canvas-agent-skill-card {
-        min-height: 122px;
-        grid-template-columns: 104px minmax(0, 1fr);
-        grid-template-rows: minmax(0, 1fr) auto;
-        gap: 8px 10px;
-        padding: 9px;
-    }
-
-    .canvas-agent-skill-card-cover {
-        grid-row: 1 / 3;
-        align-self: stretch;
-        aspect-ratio: auto;
-    }
-
-    .canvas-agent-skill-card-body {
-        padding: 1px 0 0;
-    }
-
-    .canvas-agent-skill-card-body > p {
-        margin: 4px 0 6px;
-        font-size: var(--fs-tiny);
-        line-height: 17px;
-    }
-
-    .canvas-agent-skill-card-meta {
-        font-size: var(--fs-tiny);
-    }
-
-    .canvas-agent-skill-card-action {
-        justify-content: flex-end;
-        padding: 0;
-    }
-
-    .canvas-agent-skill-card-action .ant-btn {
-        min-width: 72px;
-    }
-
-    .canvas-agent-skill-library-footer > span:last-child {
-        display: none;
-    }
-}
-
-@media (max-height: 560px) {
-    .canvas-agent-skill-library-shell {
-        height: calc(100dvh - 16px);
+        min-height: var(--space-10);
+        gap: var(--space-2);
+        padding: var(--space-2);
+        font-size: var(--fs-body);
+        white-space: nowrap;
     }
 
     .canvas-agent-skill-library-header {
-        padding-top: 12px;
-        padding-bottom: 8px;
+        padding: var(--space-4);
     }
 
-    .canvas-agent-skill-library-categories {
-        padding-top: 7px;
-        padding-bottom: 7px;
+    .canvas-agent-skill-library-header h2 {
+        font-size: var(--fs-heading-lg);
+    }
+
+    .canvas-agent-skill-library-list {
+        grid-template-columns: minmax(0, 1fr);
+        gap: var(--space-6);
+        padding-inline: var(--space-4);
+    }
+
+    .canvas-agent-skill-library-footer {
+        gap: var(--space-2);
+        padding-inline: var(--space-4);
+        font-size: var(--fs-label);
     }
 }
 
 @media (prefers-reduced-motion: reduce) {
     .canvas-agent-skill-card,
+    .canvas-agent-skill-card-cover,
     .canvas-agent-skill-card-cover img,
-    .canvas-agent-skill-category,
+    .canvas-agent-skill-card-cover video,
     .canvas-agent-skill-library-tab {
         transition: none;
     }
 
     .canvas-agent-skill-card:hover,
-    .canvas-agent-skill-card:hover .canvas-agent-skill-card-cover img {
+    .canvas-agent-skill-card:focus-within,
+    .canvas-agent-skill-card:hover .canvas-agent-skill-card-cover img,
+    .canvas-agent-skill-card:focus-within .canvas-agent-skill-card-cover img {
         transform: none;
     }
 }
diff --git a/web/src/components/canvas/canvas-node-prompt-panel.tsx b/web/src/components/canvas/canvas-node-prompt-panel.tsx
index 03a01ff0d..228786735 100644
--- a/web/src/components/canvas/canvas-node-prompt-panel.tsx
+++ b/web/src/components/canvas/canvas-node-prompt-panel.tsx
@@ -9,7 +9,7 @@ import { resolveCanvasGenerationModel } from "@/lib/canvas/canvas-project-genera
 import { clampPromptEditorModalSize, PROMPT_EDITOR_VIEWPORT_MARGIN } from "@/lib/canvas/canvas-prompt-editor-size";
 import { CreditSymbol, requestCreditCost } from "@/constant/credits";
 import { canvasThemes } from "@/lib/canvas-theme";
-import { modelQuoteRequest } from "@/lib/model-pricing";
+import { modelQuoteDescription, modelQuoteRequest } from "@/lib/model-pricing";
 import { normalizeVideoDuration, normalizeVideoResolution } from "@/lib/video-generation-options";
 import { modelRequestOptions, resolveCompatibleModel, resolveModelGenerationDefaults, defaultImageParamsForModel, type ModelRequirements } from "@/lib/model-selection";
 import { navigateToSettings } from "@/lib/settings-navigation";
@@ -30,7 +30,7 @@ import { promptOptimizerPlugin, PROMPT_OPTIMIZER_PLUGIN_ID } from "@/lib/plugins
 import { createPluginHostContext } from "@/services/plugin-host";
 import { usePluginStore } from "@/stores/use-plugin-store";
 import { useResolvedCanvasResourceReferences } from "./use-resolved-canvas-resource-references";
-import { quoteLogicalModel } from "@/services/api/logical-models";
+import { quoteModel, type LogicalModelQuote } from "@/services/api/logical-models";
 
 export type CanvasNodeGenerationMode = CanvasGenerationMode;
 
@@ -146,8 +146,8 @@ export function CanvasNodePromptPanel({ projectId, node, isRunning, onPromptChan
     });
     const quoteRequest = modelQuoteRequest(config, config.model, mode, resolvedRequirements);
     const quoteRequestKey = JSON.stringify(quoteRequest || null);
-    const [quotedCredits, setQuotedCredits] = useState<number | null>(null);
-    const credits = quotedCredits ?? configuredCredits;
+    const [routeQuote, setRouteQuote] = useState<LogicalModelQuote | null>(null);
+    const credits = routeQuote ? routeQuote.amountMicrocredits / 1_000_000 : configuredCredits;
     const activeReferenceCount = activeReferences.length;
     const videoFrameOptions = resolvedMentionReferences.filter((item) => item.active && item.kind === "image").map((item) => ({ nodeId: item.nodeId, label: item.label, title: item.title, previewUrl: item.previewUrl }));
     const hasVideoPromptTools = mode === "video" && !simpleMode && videoFrameOptions.length > 0;
@@ -210,15 +210,15 @@ export function CanvasNodePromptPanel({ projectId, node, isRunning, onPromptChan
 
     useEffect(() => {
         if (!creditsEnabled || !quoteRequest) {
-            setQuotedCredits(null);
+            setRouteQuote(null);
             return;
         }
         const controller = new AbortController();
-        setQuotedCredits(null);
-        quoteLogicalModel(quoteRequest.logicalModelID, quoteRequest.intent, controller.signal)
-            .then(({ quote }) => setQuotedCredits(quote.amountMicrocredits / 1_000_000))
+        setRouteQuote(null);
+        quoteModel(quoteRequest, controller.signal)
+            .then(({ quote }) => setRouteQuote(quote))
             .catch(() => {
-                if (!controller.signal.aborted) setQuotedCredits(null);
+                if (!controller.signal.aborted) setRouteQuote(null);
             });
         return () => controller.abort();
         // quoteRequestKey captures the full normalized request without retriggering on object identity.
@@ -352,12 +352,12 @@ export function CanvasNodePromptPanel({ projectId, node, isRunning, onPromptChan
                 }
                 onClick={() => (expanded ? submitExpandedPrompt() : submit())}
                 aria-label={actionLabel}
-                title={actionLabel}
+                title={routeQuote ? modelQuoteDescription(routeQuote) : actionLabel}
             >
                 {showCost ? (
                     <span className="canvas-node-composer-submit-cost">
                         <CreditSymbol />
-                        <span>{formattedCredits}</span>
+                        <span>{routeQuote?.estimated ? "预计 " : ""}{formattedCredits}</span>
                     </span>
                 ) : null}
                 <span className="canvas-node-composer-submit-action" aria-hidden>
diff --git a/web/src/components/canvas/canvas-project-asset-modal.tsx b/web/src/components/canvas/canvas-project-asset-modal.tsx
index 77551138e..c168a7caf 100644
--- a/web/src/components/canvas/canvas-project-asset-modal.tsx
+++ b/web/src/components/canvas/canvas-project-asset-modal.tsx
@@ -66,7 +66,7 @@ export function CanvasProjectAssetModal({
                     mediaKind,
                     asset: media,
                     imageUrl: coverRepresentation ? resourceFileUrl(coverRepresentation.resourceId) : project?.mediaType === "image" && remoteResourceId ? resourceFileUrl(remoteResourceId) : undefined,
-                    imageStorageKey: coverRepresentation ? `resource:${coverRepresentation.resourceId}` : undefined,
+                    imageStorageKey: coverRepresentation ? `resource:${coverRepresentation.resourceId}` : remoteResourceId ? `resource:${remoteResourceId}` : undefined,
                     imageFit: character ? "contain" : "cover",
                     description: character ? `${character.character?.visualStatus === "ready" ? "形象就绪" : "形象待完善"} · ${character.character?.voiceStatus === "ready" ? "声音已绑定" : "声音未绑定"}` : project?.previewText,
                     searchText: [media?.tags?.join(" ") || "", project?.previewText || ""].join(" "),
diff --git a/web/src/components/canvas/canvas-project-card.tsx b/web/src/components/canvas/canvas-project-card.tsx
index 7ac0188a7..fb9c6e0bb 100644
--- a/web/src/components/canvas/canvas-project-card.tsx
+++ b/web/src/components/canvas/canvas-project-card.tsx
@@ -1,7 +1,7 @@
 import { Check, Clapperboard, CloudUpload, Download, FileText, Frame, Image as ImageIcon, MoreHorizontal, Music2, Pencil, Plus, Settings2, Sparkles, Trash2, Video, X } from "lucide-react";
 import type { ReactNode } from "react";
 import { useNavigate, useSearchParams } from "react-router";
-import { Dropdown, Input } from "antd";
+import { App, Dropdown, Input } from "antd";
 
 import { useCanvasStore, type CanvasProject } from "@/stores/canvas/use-canvas-store";
 import { useCanvasUiStore } from "@/stores/canvas/use-canvas-ui-store";
@@ -13,6 +13,7 @@ import { CachedResourceImage } from "@/components/cached-resource-image";
 import { MediaPlaceholder } from "@/components/ui/product/media-placeholder";
 import { cn } from "@/lib/utils";
 import { useSyncProgressStore } from "@/stores/use-sync-progress-store";
+import { hasRemoteUserDataSyncSession, loadCanvasProjectForEditing, saveRemoteUserDataNow } from "@/services/user-data-sync";
 
 type ProjectPreviewMedia = { node: CanvasNodeData; url: string; storageKey?: string };
 const projectPreviewMediaCache = new WeakMap<CanvasNodeData[], { first?: ProjectPreviewMedia; latest?: ProjectPreviewMedia }>();
@@ -30,6 +31,7 @@ export function CanvasCreateCard({ disabled, onClick }: { disabled?: boolean; on
 }
 
 export function CanvasProjectCard({ project, projectName, variant = "library", readOnly = false, footer }: { project: CanvasProject; projectName?: string; variant?: "library" | "recent"; readOnly?: boolean; footer?: ReactNode }) {
+    const { message } = App.useApp();
     const navigate = useNavigate();
     const [searchParams] = useSearchParams();
     const renameProject = useCanvasStore((state) => state.renameProject);
@@ -44,9 +46,19 @@ export function CanvasProjectCard({ project, projectName, variant = "library", r
     const editing = editingId === project.id;
     const selected = selectedIds.includes(project.id);
     const open = () => navigate(`/canvas/${project.id}${searchParams.toString() ? `?${searchParams.toString()}` : ""}`);
-    const saveTitle = () => {
-        renameProject(project.id, editingTitle);
+    const saveTitle = async () => {
         stopEditing();
+        if (!hasRemoteUserDataSyncSession()) {
+            renameProject(project.id, editingTitle);
+            return;
+        }
+        try {
+            await loadCanvasProjectForEditing(project.id);
+            renameProject(project.id, editingTitle);
+            await saveRemoteUserDataNow(project.id);
+        } catch (error) {
+            message.error(error instanceof Error ? error.message : "重命名失败");
+        }
     };
 
     const compact = variant === "recent";
diff --git a/web/src/components/canvas/canvas-resource-mention-textarea.tsx b/web/src/components/canvas/canvas-resource-mention-textarea.tsx
index 735bb3597..857701848 100644
--- a/web/src/components/canvas/canvas-resource-mention-textarea.tsx
+++ b/web/src/components/canvas/canvas-resource-mention-textarea.tsx
@@ -350,7 +350,15 @@ export const CanvasResourceMentionTextarea = forwardRef<HTMLTextAreaElement, Pro
                     spellCheck={props.spellCheck}
                     tabIndex={props.tabIndex}
                     className={`${className || ""} relative z-10 cursor-text select-text whitespace-pre-wrap break-words`}
-                    style={{ ...mergedStyle, color: style?.color || theme.node.text }}
+                    style={{
+                        ...mergedStyle,
+                        color: style?.color || theme.node.text,
+                        height: "100%",
+                        minHeight: 0,
+                        maxHeight: "100%",
+                        overflowY: "auto",
+                        overflowX: "hidden",
+                    }}
                     onInput={syncEditableValue}
                     onCompositionStart={(event) => {
                         composingRef.current = true;
@@ -489,7 +497,7 @@ if (event.key === "Enter" && (event.nativeEvent.isComposing || composingRef.curr
                 }}
                 value={value}
                 className={`${className || ""} relative z-10`}
-                style={mergedStyle}
+                style={{ ...mergedStyle, height: "100%", minHeight: 0, maxHeight: "100%", overflowY: "auto", overflowX: "hidden" }}
                 onChange={(event) => {
                     const next = event.target.value;
                     onChange(next);
diff --git a/web/src/lib/canvas/canvas-image-batch-retry.ts b/web/src/lib/canvas/canvas-image-batch-retry.ts
index e0fc87f2b..a24d68e3d 100644
--- a/web/src/lib/canvas/canvas-image-batch-retry.ts
+++ b/web/src/lib/canvas/canvas-image-batch-retry.ts
@@ -135,7 +135,20 @@ export function reconcileImageBatchRoot(root: CanvasNodeData, nodes: CanvasNodeD
     const children = (root.metadata.batchChildIds || [])
         .map((id) => nodeById.get(id))
         .filter((node): node is CanvasNodeData => Boolean(node && node.type === CanvasNodeType.Image && node.metadata?.batchRootId === root.id));
-    if (!children.length) return root;
+    if (!children.length) {
+        const metadata: CanvasNodeMetadata = { ...root.metadata };
+        delete metadata.batchChildIds;
+        delete metadata.batchFailedCount;
+        delete metadata.primaryImageId;
+        delete metadata.isBatchRoot;
+        delete metadata.imageBatchExpanded;
+        delete metadata.errorDetails;
+        delete metadata.generationErrorCode;
+        delete metadata.resourceReloadAvailable;
+        delete metadata.failedPromptFingerprint;
+        if (!metadata.content) metadata.status = "idle";
+        return { ...root, metadata };
+    }
 
     const primary = children.find((node) => node.id === root.metadata?.primaryImageId && node.metadata?.content) || children.find((node) => node.metadata?.content);
     const loading = children.some((node) => node.metadata?.status === "loading");
diff --git a/web/src/lib/canvas/canvas-project-domain.ts b/web/src/lib/canvas/canvas-project-domain.ts
index 382a8a0cf..090dcf6f9 100644
--- a/web/src/lib/canvas/canvas-project-domain.ts
+++ b/web/src/lib/canvas/canvas-project-domain.ts
@@ -10,6 +10,7 @@ import { nodeSizeFromRatio } from "@/lib/canvas/canvas-node-size";
 import { canvasNodeMentionToken, canvasResourceMentionToken, type CanvasResourceReference } from "@/lib/canvas/canvas-resource-references";
 import { getNodeDefinition } from "@/lib/canvas/node-registry";
 import { batchReferenceHandleY } from "@/lib/canvas/canvas-batch-table";
+import { reconcileImageBatchRoot } from "@/lib/canvas/canvas-image-batch-retry";
 import { scopedLocalStorage } from "@/lib/user-scope";
 import type { GenerationTask } from "@/services/api/task-center";
 import { CanvasNodeType, type CanvasConnection, type CanvasNodeData, type CanvasNodeMetadata, type CanvasNodeTypeId, type ConnectionHandle, type Position, type StoryboardColumn, type StoryboardRow } from "@/types/canvas";
@@ -430,7 +431,7 @@ export function removeCanvasNodes(nodes: CanvasNodeData[], requestedIds: Set<str
         if (requestedIds.has(node.id)) node.metadata?.batchChildIds?.forEach((childId) => removedIds.add(childId));
     });
     const remainingNodes = nodes.filter((node) => !removedIds.has(node.id));
-    const nextNodes = remainingNodes.map((node) => {
+    const cleanedNodes = remainingNodes.map((node) => {
         const detached = node.parentId && removedIds.has(node.parentId) ? { ...node, parentId: undefined } : node;
         const storyboard = detached.metadata?.storyboard;
         const cleaned = storyboard
@@ -458,6 +459,7 @@ export function removeCanvasNodes(nodes: CanvasNodeData[], requestedIds: Set<str
         const batchRoot = { ...cleaned, metadata: { ...cleaned.metadata, batchChildIds: childIds, primaryImageId } };
         return primaryNode ? applyBatchPrimaryImage(batchRoot, primaryNode) : batchRoot;
     });
+    const nextNodes = cleanedNodes.map((node) => reconcileImageBatchRoot(node, cleanedNodes));
     return { removedIds, nodes: nextNodes };
 }
 
diff --git a/web/src/pages/canvas/use-canvas-batch-table.ts b/web/src/pages/canvas/use-canvas-batch-table.ts
index 8c9090641..46de87981 100644
--- a/web/src/pages/canvas/use-canvas-batch-table.ts
+++ b/web/src/pages/canvas/use-canvas-batch-table.ts
@@ -123,6 +123,8 @@ export function useCanvasBatchTable({ nodesRef, connectionsRef, setNodes, setCon
             navigateToSettings({ continueCreation: true });
             return;
         }
+        const generationConfig = buildGenerationConfig(effectiveConfig, undefined, "image");
+        const imageResolution = /^(1k|2k|4k)$/i.test(generationConfig.quality) ? generationConfig.quality.toUpperCase() : "由尺寸决定";
         const activeNodeIds = new Set((sourceNode.metadata?.generationBatches || []).filter((batch) => batch.mode === "batch_image").flatMap((batch) => batch.items.filter((item) => ["waiting", "submitting", "queued", "running"].includes(item.status)).map((item) => item.nodeId)));
         const requested = requestedRowIds?.length ? new Set(requestedRowIds) : null;
         const rows = table.rows.filter((row) => {
@@ -139,7 +141,15 @@ export function useCanvasBatchTable({ nodesRef, connectionsRef, setNodes, setCon
         if (!rows.length) return message.info("没有可提交的未完成任务，请检查参考图和提示词");
         const confirmed = await new Promise<boolean>((resolve) => modal.confirm({
             title: `确认提交 ${rows.length} 个批量图片任务`,
-            content: `模型：${modelDisplayName(effectiveConfig, imageModel)}；并发上限：${table.concurrency}。这些任务可能消耗积分或产生外部模型费用。`,
+            content: [
+                `模型：${modelDisplayName(effectiveConfig, generationConfig.model) || generationConfig.model}`,
+                `出图数量：${rows.length} 张（每行 1 张）`,
+                `尺寸：${generationConfig.size || "默认"}`,
+                `质量：${generationConfig.quality || "默认"}`,
+                `分辨率：${imageResolution}`,
+                `并发：${table.concurrency}`,
+                "这些任务可能消耗积分或产生外部模型费用。",
+            ].join("\n"),
             okText: "确认生成",
             cancelText: "取消",
             centered: true,
@@ -160,7 +170,11 @@ export function useCanvasBatchTable({ nodesRef, connectionsRef, setNodes, setCon
                 ...(existingIndex >= 0 ? resetGenerationTaskMetadata(nextNodes[existingIndex].metadata) : {}),
                 prompt,
                 composerContent: prompt,
-                model: buildGenerationConfig(effectiveConfig, undefined, "image").model,
+                model: generationConfig.model,
+                size: generationConfig.size,
+                quality: generationConfig.quality,
+                transparentBackground: generationConfig.transparentBackground,
+                count: 1,
                 generationMode: "image" as const,
                 generationType: "edit" as const,
                 workflowKind: "final" as const,
diff --git a/web/src/pages/canvas/use-canvas-project-lifecycle.ts b/web/src/pages/canvas/use-canvas-project-lifecycle.ts
index 1aea91979..b08016c74 100644
--- a/web/src/pages/canvas/use-canvas-project-lifecycle.ts
+++ b/web/src/pages/canvas/use-canvas-project-lifecycle.ts
@@ -309,7 +309,11 @@ export function useCanvasProjectLifecycle({
 
     const renameCurrentProject = useCallback((title: string) => {
         renameProject(projectId, title);
-    }, [projectId, renameProject]);
+        // 标题是画布列表和分享入口的元数据，重命名后立即提交，避免只停留在浏览器缓存。
+        void saveRemoteUserDataNow(projectId).catch((error) => {
+            message.warning(error instanceof Error ? `名称已更新到本地，云端同步将在后台重试：${error.message}` : "名称已更新到本地，云端同步将在后台重试");
+        });
+    }, [message, projectId, renameProject]);
 
     const persistLocalEdits = useCallback(async () => {
         const snapshot = { nodes: nodesRef.current, connections: connectionsRef.current, chatSessions, activeChatId, canvasAppearance, backgroundMode, showImageInfo };
diff --git a/web/src/pages/projects/detail/workflow-production-workbench.tsx b/web/src/pages/projects/detail/workflow-production-workbench.tsx
index 5d567b31a..8501983ce 100644
--- a/web/src/pages/projects/detail/workflow-production-workbench.tsx
+++ b/web/src/pages/projects/detail/workflow-production-workbench.tsx
@@ -15,12 +15,12 @@ import { useDebouncedValue } from "@/hooks/use-debounced-value";
 import { ModelPicker } from "@/components/model-picker";
 import { CreditSymbol, requestCreditCost } from "@/constant/credits";
 import { modelCapabilityConfigFor, normalizeImageValue, normalizeVideoValue, videoDurationOptions } from "@/lib/model-capabilities";
-import { modelQuoteRequest } from "@/lib/model-pricing";
+import { modelQuoteDescription, modelQuoteRequest } from "@/lib/model-pricing";
 import { customShotTitle, formatShotOrdinal, normalizeDefaultShotTitle } from "@/lib/shot-label";
 import { modelCompatibilityError, resolveCompatibleModel, resolveModelVideoBooleanOptions, type ModelRequirements } from "@/lib/model-selection";
 import { formatVideoResolutionLabel } from "@/lib/video-generation-options";
 import { submitBackendGenerationTask } from "@/services/api/generation-task";
-import { quoteLogicalModel } from "@/services/api/logical-models";
+import { quoteModel, type LogicalModelQuote } from "@/services/api/logical-models";
 import { type GenerationTask } from "@/services/api/task-center";
 import {
     createUnitWorkflow,
@@ -182,8 +182,8 @@ export default function WorkflowProductionWorkbench(props: Props) {
     });
     const quoteRequest = useMemo(() => modelQuoteRequest(generationConfig, routedModel, generationCapability, modelRequirements), [generationCapability, generationConfig, modelRequirements, routedModel]);
     const quoteRequestKey = JSON.stringify(quoteRequest || null);
-    const [quotedCredits, setQuotedCredits] = useState<number | null>(null);
-    const generationCredits = quotedCredits ?? configuredCredits;
+    const [routeQuote, setRouteQuote] = useState<LogicalModelQuote | null>(null);
+    const generationCredits = routeQuote ? routeQuote.amountMicrocredits / 1_000_000 : configuredCredits;
     const formattedGenerationCredits = generationCredits?.toLocaleString("zh-CN", { maximumFractionDigits: 6 });
     const modelSummary = routedModel ? modelDisplayName(effectiveConfig, routedModel) : "未选择模型";
     const durationSummary = `${Number(watchedDuration || Math.max(0.5, (selectedShot?.durationMs || 3000) / 1000))}s`;
@@ -212,15 +212,15 @@ export default function WorkflowProductionWorkbench(props: Props) {
 
     useEffect(() => {
         if (!creditsEnabled || !quoteRequest) {
-            setQuotedCredits(null);
+            setRouteQuote(null);
             return;
         }
         const controller = new AbortController();
-        setQuotedCredits(null);
-        quoteLogicalModel(quoteRequest.logicalModelID, quoteRequest.intent, controller.signal)
-            .then(({ quote }) => setQuotedCredits(quote.amountMicrocredits / 1_000_000))
+        setRouteQuote(null);
+        quoteModel(quoteRequest, controller.signal)
+            .then(({ quote }) => setRouteQuote(quote))
             .catch(() => {
-                if (!controller.signal.aborted) setQuotedCredits(null);
+                if (!controller.signal.aborted) setRouteQuote(null);
             });
         return () => controller.abort();
         // quoteRequestKey captures the normalized request without retriggering on object identity.
@@ -545,7 +545,7 @@ export default function WorkflowProductionWorkbench(props: Props) {
                         </div>
                         <footer className="workflow-editor-actions">
                             <div className="workflow-generation-cost" aria-live="polite">
-                                {creditsEnabled && formattedGenerationCredits ? <><CreditSymbol /><span>本次预计 {formattedGenerationCredits} 积分</span></> : creditsEnabled && routedModel ? <span>本次费用将在提交时按实际规格计算</span> : null}
+                                {creditsEnabled && formattedGenerationCredits ? <><CreditSymbol /><span title={routeQuote ? modelQuoteDescription(routeQuote) : undefined}>本次预计 {formattedGenerationCredits} 积分</span></> : creditsEnabled && routedModel ? <span>本次费用将在提交时按实际规格计算</span> : null}
                             </div>
                             <div className="flex items-center gap-2"><Button danger icon={<Trash2 className="size-4" />} loading={deleteShot.isPending} disabled={saveShot.isPending || selectedShotSubmitting || changeAssetBinding.isPending} onClick={requestDeleteShot}>删除镜头</Button><Button htmlType="submit" icon={<Save className="size-4" />} loading={saveShot.isPending} disabled={!editorDirty || deleteShot.isPending}>保存脚本</Button><Button type="primary" icon={<Play className="size-4" />} loading={selectedShotSubmitting || shotTask?.status === "queued" || shotTask?.status === "running"} disabled={deleteShot.isPending} onClick={() => void generateArtifact()}>{selectedShotSubmitting ? `${stageCopy.action}（正在提交）` : shotTask?.status === "queued" || shotTask?.status === "running" ? `${stageCopy.action}（已运行${shotTaskElapsed}）` : shotTask?.status === "failed" ? `${stageCopy.action}（上次失败，可重试）` : shotTask?.status === "succeeded" && !newestArtifact ? `${stageCopy.action}（已完成，正在同步）` : newestArtifact ? `${stageCopy.action}（已生成）` : stageCopy.action}</Button></div>
                         </footer>
diff --git a/web/src/pages/projects/index.tsx b/web/src/pages/projects/index.tsx
index f08bf9801..3516f967f 100644
--- a/web/src/pages/projects/index.tsx
+++ b/web/src/pages/projects/index.tsx
@@ -184,7 +184,6 @@ export default function ProjectsPage() {
     const hasInitialError = query.isError && !query.data;
     return (
         <WorkspacePage className="library-page project-library-page" grid>
-            <PageHeader title="短剧 Agent" description="你的故事、章节与镜头，都在这里。" meta={<span className="app-projects-header-meta">{totalProjectCount} 个项目</span>} />
             <details className="story-launcher-panel" aria-label="开始一部新短剧">
                 <summary className="story-launcher-head">
                     <div className="story-launcher-title">
diff --git a/web/src/services/api/resources.ts b/web/src/services/api/resources.ts
index 70d7922f0..492961418 100644
--- a/web/src/services/api/resources.ts
+++ b/web/src/services/api/resources.ts
@@ -96,6 +96,9 @@ export class ResourceUploadError extends Error {
 const resourceCache = new Map<string, RemoteResource>();
 const resourceRequests = new Map<string, Promise<RemoteResource>>();
 const missingResourceIds = new Set<string>();
+const ossUrlCache = new Map<string, { url: string; expiresAt: number }>();
+const ossUrlRequests = new Map<string, Promise<string>>();
+const OSS_URL_CACHE_TTL_MS = 4 * 60 * 1000;
 
 export function resourceStorageKey(id: string) {
     return `resource:${id}`;
@@ -271,14 +274,25 @@ export function refreshResource(id: string): Promise<RemoteResource> {
 export async function getResourceOSSUrl(storageKey?: string) {
     const id = resourceIdFromStorageKey(storageKey);
     if (!id) throw new Error("当前媒体尚未上传到后端资源存储");
-    try {
-        const data = await http.get<{ url: string }>(`/resources/${encodeURIComponent(id)}/oss-url`);
-        if (!data.url) throw new Error("后端未返回对象存储地址");
-        return data.url;
-    } catch (error) {
-        if (error instanceof ApiError) throw new Error(error.message || "获取对象存储地址失败");
-        throw error;
-    }
+    const cached = ossUrlCache.get(resourceCacheKey(id));
+    if (cached && cached.expiresAt > Date.now()) return cached.url;
+    const pending = ossUrlRequests.get(resourceCacheKey(id));
+    if (pending) return pending;
+    const request = (async () => {
+        try {
+            const data = await http.get<{ url: string }>(`/resources/${encodeURIComponent(id)}/oss-url`);
+            if (!data.url) throw new Error("后端未返回对象存储地址");
+            ossUrlCache.set(resourceCacheKey(id), { url: data.url, expiresAt: Date.now() + OSS_URL_CACHE_TTL_MS });
+            return data.url;
+        } catch (error) {
+            if (error instanceof ApiError) throw new Error(error.message || "获取对象存储地址失败");
+            throw error;
+        } finally {
+            ossUrlRequests.delete(resourceCacheKey(id));
+        }
+    })();
+    ossUrlRequests.set(resourceCacheKey(id), request);
+    return request;
 }
 
 function resourceCacheKey(id: string) {
@@ -287,7 +301,7 @@ function resourceCacheKey(id: string) {
 
 export function resourceFileUrl(id: string) {
     const base = String(apiBaseURL).replace(/\/+$/, "");
-    return `${base}/resources/${encodeURIComponent(id)}/file`;
+    return `${base}/resources/${encodeURIComponent(id)}/file?direct=1`;
 }
 
 function resourceProxyFileUrl(id: string) {
@@ -306,16 +320,25 @@ export function resolveResourceUrl(storageKey?: string, fallback = "") {
 // 副本就绪前由后端回退原件，调用方再按需降级。
 export function playbackVariantUrl(id: string) {
     const base = String(apiBaseURL).replace(/\/+$/, "");
-    return `${base}/resources/${encodeURIComponent(id)}/file?variant=playback`;
+    return `${base}/resources/${encodeURIComponent(id)}/file?variant=playback&direct=1`;
 }
 
-export async function getResourceBlob(storageKey: string) {
+export async function getResourceBlob(storageKey: string, options?: { allowProxyFallback?: boolean }) {
     const id = resourceIdFromStorageKey(storageKey);
     if (!id) return null;
-    const url = resourceProxyFileUrl(id);
-    const response = await fetch(url, { credentials: isResourceUrl(url) ? "include" : "same-origin" });
-    if (!response.ok) return null;
-    return response.blob();
+    // A direct OSS response needs CORS to be readable as a Blob. Native <img>/<video>
+    // can still display it without CORS, so background cache fills must not proxy it.
+    try {
+        const ossUrl = await getResourceOSSUrl(storageKey);
+        const response = await fetch(ossUrl, { credentials: "omit", mode: "cors" });
+        if (response.ok) return response.blob();
+        if (!options?.allowProxyFallback || response.status === 401 || response.status === 403 || response.status === 404) return null;
+    } catch (error) {
+        if (!options?.allowProxyFallback) throw error;
+    }
+    if (!options?.allowProxyFallback) return null;
+    const response = await fetch(resourceProxyFileUrl(id), { credentials: "include" });
+    return response.ok ? response.blob() : null;
 }
 
 function extensionFromMime(mimeType: string, kind: string) {
diff --git a/web/src/services/resource-blob-cache.ts b/web/src/services/resource-blob-cache.ts
index e619ab6ab..479015514 100644
--- a/web/src/services/resource-blob-cache.ts
+++ b/web/src/services/resource-blob-cache.ts
@@ -122,11 +122,23 @@ export async function getCachedResourceBlob(storageKey: string) {
     if (sessionBlob) return sessionBlob;
     const pending = inFlight.get(target.key);
     if (pending) {
-        await pending;
-        return sessionBlobs.get(target.key) || blobStore.getItem<Blob>(target.key);
+        await pending.catch(() => "");
+        const downloaded = sessionBlobs.get(target.key) || await blobStore.getItem<Blob>(target.key);
+        if (downloaded) return downloaded;
+        return loadAndPersistProxyFallback(storageKey);
     }
-    await cacheResourceObjectUrl(storageKey);
-    return sessionBlobs.get(target.key) || blobStore.getItem<Blob>(target.key);
+    await cacheResourceObjectUrl(storageKey).catch(() => "");
+    const downloaded = sessionBlobs.get(target.key) || await blobStore.getItem<Blob>(target.key);
+    if (downloaded) return downloaded;
+    // Explicit byte consumers (exports/provider inputs) need a same-origin fallback
+    // when the OSS bucket does not expose CORS. Display-only cache fills never do.
+    return loadAndPersistProxyFallback(storageKey);
+}
+
+async function loadAndPersistProxyFallback(storageKey: string) {
+    const blob = await getResourceBlob(storageKey, { allowProxyFallback: true });
+    if (blob) await primeResourceBlobCache(storageKey, blob).catch(() => "");
+    return blob;
 }
 
 async function downloadAndCacheResource(storageKey: string, target: ResourceCacheMeta) {
diff --git a/web/test/canvas-image-batch-retry.test.ts b/web/test/canvas-image-batch-retry.test.ts
index a330cb34b..10575fa55 100644
--- a/web/test/canvas-image-batch-retry.test.ts
+++ b/web/test/canvas-image-batch-retry.test.ts
@@ -1,6 +1,7 @@
 import { describe, expect, test } from "bun:test";
 
 import { cancelIncompleteImageBatch, failedImageBatchChildren, markImageBatchRetrying, reconcileImageBatchRoot, restoreUnsubmittedImageBatchChild, retireImageBatchChildren } from "../src/lib/canvas/canvas-image-batch-retry";
+import { removeCanvasNodes } from "../src/lib/canvas/canvas-project-domain";
 import { CanvasNodeType, type CanvasNodeData, type CanvasNodeStatus } from "../src/types/canvas";
 
 function imageNode(id: string, status: CanvasNodeStatus, metadata: Partial<NonNullable<CanvasNodeData["metadata"]>> = {}): CanvasNodeData {
@@ -108,4 +109,24 @@ describe("canvas image batch retry", () => {
         expect(cancelled.nodes.find((node) => node.id === "root")?.metadata?.batchChildIds).toBeUndefined();
         expect(cancelled.nodes.find((node) => node.id === "done")?.metadata?.batchRootId).toBeUndefined();
     });
+
+    test("删除最后一个失败子图后清除批量根节点的失败状态", () => {
+        const root = imageNode("root", "error", {
+            isBatchRoot: true,
+            batchChildIds: ["failed"],
+            batchFailedCount: 1,
+            errorDetails: "生成失败",
+            generationErrorCode: "upstream_unavailable",
+        });
+        const failed = imageNode("failed", "error", { batchRootId: root.id, errorDetails: "上游失败" });
+
+        const result = removeCanvasNodes([root, failed], new Set([failed.id]));
+        const nextRoot = result.nodes.find((node) => node.id === root.id);
+
+        expect(nextRoot?.metadata).toMatchObject({ status: "idle" });
+        expect(nextRoot?.metadata?.isBatchRoot).toBeUndefined();
+        expect(nextRoot?.metadata?.batchFailedCount).toBeUndefined();
+        expect(nextRoot?.metadata?.errorDetails).toBeUndefined();
+        expect(nextRoot?.metadata?.generationErrorCode).toBeUndefined();
+    });
 });