diff --git a/README.md b/README.md
index 06de6d1..f788d4d 100644
--- a/README.md
+++ b/README.md
@@ -96,7 +96,7 @@ Oxfmt 不负责代码质量，Oxlint 不负责 Vue 的完整类型推导；Vue S
 
 - 外层应用固定为视口高度；侧栏、顶栏、项目标题和工作流导航不会随正文滚动。
 - 工作流只保留左侧导航，项目标题下不再重复展示相同标签。主体身份、分镜设计、镜头生产和图库采用内容优先布局：常用筛选／剧集选择／刷新在固定的紧凑工具栏，列表占据剩余高度。
-- 项目标题栏只显示返回入口和名称，不再放置状态标签与刷新按钮；项目仍每 6 秒自动刷新，读取失败时在错误提示内提供重试入口。
+- 项目标题栏只显示返回入口和名称，不再放置状态标签与刷新按钮；除形态图库使用手动刷新外，其他项目工作区每 6 秒自动刷新，读取失败时在错误提示内提供重试入口。
 - 只有当前项目正式状态为 `completed` 才解锁下游工作区；草稿、生成中、待审核、失败和读取期间默认禁用下游导航。直接访问下游链接只显示返回剧本创作的引导，不挂载操作组件；轮询确认完成后自动解锁，切换项目立即重新判定。页面内提交守卫同步检查完成状态；这是前端交互限制，不代替后端权限与业务校验。
 - 项目列表采用固定表头表格；剧本、分镜、身份与生产页的目录和详情独立滚动，其他工作区只滚动内容区。
 - “我的剧本”状态筛选采用中号控件，与搜索框等高并扩大点击区域；刷新、主题、折叠和关闭等单图标按钮统一使用直角正方形，加载时保持尺寸不变，保留可访问名称。
@@ -199,7 +199,7 @@ API 层也提供 `state` 与 `breakdown/latest` 方法。页面通过共享 chec
 
 1. `POST /projects` 返回顶层 `202 { projectId, status }`，其他接口通常返回 `{ data }`；HTTP 层分别兼容。
 2. Breakdown、Storyboard 和恢复接口目前是**长 HTTP 请求**。不设客户端短超时，不自动重试 POST。关闭页面只会丢失请求连接，**不会取消后端任务**。
-3. 项目列表每 12 秒、项目详情每 6 秒串行刷新。隐藏页面暂停自动查询。切换项目或离开布局时取消查询，旧响应不会覆盖新项目。
+3. 项目列表每 12 秒、项目详情每 6 秒串行刷新。形态图库暂停父布局和页面定时查询，返回其他工作区恢复轮询；图库直接链接被未完成状态拦截时可手动刷新项目状态。隐藏页面暂停自动查询。切换项目或离开布局时取消查询，旧响应不会覆盖新项目。
 4. 抽取任务进度不是全流程进度。抽取完成之后还需要主体合并、形态、节拍、镜头和持久化。
 5. 后端失败 checkpoint 可能只有错误。页面回看最近可用的完整快照以保留成果，同时使用最新记录的 execution 状态。显示的是**最近可用快照**，并不保证全部成果来自最后一次执行。
 6. 后端并不为每个阶段提供持久化的 running 状态。没有明确终态时，页面显示“阶段快照 · 执行状态待确认”，不会猜测成功或失败。
@@ -227,7 +227,7 @@ API 层也提供 `state` 与 `breakdown/latest` 方法。页面通过共享 chec
 4. 单图宽高同时留空使用后端默认 2K，自定义时必须同时提供正整数，具体尺寸限制仍由模型校验。当前 后端图片模型 Provider 没有使用 negativePrompt，所以页面不提供无效的负向提示词输入。
 5. 单图生成新增历史记录，不删除旧图。无主图时默认勾选“生成成功后设为主图”；已有主图时默认不替换。候选图可以在历史弹窗二次确认后通过 PUT 设为主图，只允许已完成图片。
 6. 批量默认跳过已有主图的形态；勾选“已有主图也新增候选图”发送 `force: true`。后端批量 force 只生成新图，**不会替换已有主图**。批量作用于整个项目，不受类型／文字／缺图筛选影响，也不接收单图的尺寸与自定义 Prompt。
-7. 图库每 6 秒读取一次真实记录，弹窗只在打开时查询该形态图片。数据库存在 pending / generating 时暂停再次生图；网络错误不自动重试有费用的请求。HTTP 200 中的批量部分失败单独展示。
+7. 图库、镜头影响检查、关联素材和图片历史均不定时刷新；首次进入、切换查询目标、手动刷新及本次写操作完成后按需读取。“刷新图库”同时更新项目状态。数据库存在 pending / generating 时暂停再次生图；网络错误不自动重试有费用的请求。HTTP 200 中的批量部分失败单独展示。当前形态列表接口返回完整数组，无分页参数或游标，因此不显示分页或触底加载入口。筛选栏与有值的关联素材行共用一个不透明背景的吸顶容器，内部无 margin 断层；关联素材保持单行横向滚动、上下居中，图片区域沿正文向下滚动。
 8. 图片使用持久化后的 `/storage/...` 地址，开发代理已配置。生产环境也必须代理 `/storage/`，不能让 SPA 回退返回 index.html。无效 URL、加载失败、无图和后端生成失败有各自提示；不会自动使用可能过期的 Provider 临时地址。
 9. 设为主图后，回到分镜点击“刷新参考图”读取最新绑定。已有视频提示词不会自动重生成，需要按需覆盖。本页面不会调用 `/production/start` 或实际视频生成。
 10. 人物、场景、道具均仅继承已锁定身份的当前母版；无母版或未锁定不继承。刷新过期形态只生成候选，验图后手动切换主图。批量图片可限制本次数量，回执独立展示因上限未执行数，不把它算作已有结果的跳过数。
diff --git a/src/App.vue b/src/App.vue
index a04de8e..975d700 100644
--- a/src/App.vue
+++ b/src/App.vue
@@ -170,7 +170,7 @@ const menuOptions = computed<MenuOption[]>(() => [
                 <dt>生产环境</dt>
                 <dd>为 /api、/storage 配置反向代理，并为长工作流设置足够的超时。</dd>
                 <dt>状态更新</dt>
-                <dd>项目详情每 6 秒刷新；关闭页面不会取消后端任务。</dd>
+                <dd>形态图库使用手动刷新，其他项目工作区每 6 秒更新；关闭页面不会取消后端任务。</dd>
             </dl>
         </AppDialog>
     </NConfigProvider>
diff --git a/src/admin.css b/src/admin.css
index e1441eb..16d9351 100644
--- a/src/admin.css
+++ b/src/admin.css
@@ -458,13 +458,16 @@ body {
 .gallery-workspace-page .workspace-scroll-content {
     padding-top: 8px;
 }
-/* 图库只使用正文纵向滚动；筛选栏在同一滚动上下文吸顶，不再被头部高度限制。 */
-.gallery-workspace-page .form-image-filter-region {
+/* 筛选与关联素材整体吸顶；间距由内部 padding 承担，避免出现透明断层。 */
+.gallery-workspace-page .gallery-sticky-controls {
     position: sticky;
     top: 0;
     z-index: 10;
     background: var(--app-subtle);
-    margin-block: 10px 12px;
+    margin-block: 10px 0;
+}
+.gallery-sticky-controls > .form-image-filter-region {
+    margin-block: 0;
 }
 .gallery-workspace-page .workspace-scroll > .n-scrollbar-container {
     overflow-anchor: none;
@@ -1511,7 +1514,7 @@ body {
     gap: 10px;
     padding: 14px 16px;
     background: var(--app-subtle);
-    margin-bottom: 12px;
+    margin: 0;
     min-width: 0;
 }
 /* 关联素材始终单行横向浏览，数量和长名称不会撑高定位区或压缩图片区域。 */
@@ -1526,7 +1529,8 @@ body {
     gap: 12px;
     width: max-content;
     white-space: nowrap;
-    padding-bottom: 8px;
+    min-height: 32px;
+    padding-block: 6px;
 }
 .asset-impact-links > * {
     flex-shrink: 0;
diff --git a/src/components/ui/flatTheme.test.ts b/src/components/ui/flatTheme.test.ts
index 978ec08..e9d9276 100644
--- a/src/components/ui/flatTheme.test.ts
+++ b/src/components/ui/flatTheme.test.ts
@@ -145,12 +145,16 @@ describe('全站平面主题', () => {
         // 静态保护吸顶和横向尺寸规则；真实视口滚动与位置仍需浏览器验收。
         const css = readFileSync('src/admin.css', 'utf8')
         expect(css).toMatch(
-            /\.gallery-workspace-page \.form-image-filter-region\s*\{[^}]*position:\s*sticky;[^}]*top:\s*0;[^}]*z-index:\s*10;[^}]*background:\s*var\(--app-subtle\);/
+            /\.gallery-workspace-page \.gallery-sticky-controls\s*\{[^}]*position:\s*sticky;[^}]*top:\s*0;[^}]*z-index:\s*10;[^}]*background:\s*var\(--app-subtle\);/
         )
         expect(css).toMatch(
             /\.gallery-workspace-page \.workspace-scroll > \.n-scrollbar-container\s*\{[^}]*overflow-anchor:\s*none;/
         )
         expect(css).toMatch(/\.asset-impact-links\s*\{[^}]*width:\s*max-content;[^}]*white-space:\s*nowrap;/)
+        expect(css).toMatch(/\.gallery-sticky-controls > \.form-image-filter-region\s*\{[^}]*margin-block:\s*0;/)
+        expect(css).toMatch(
+            /\.asset-impact-links\s*\{[^}]*align-items:\s*center;[^}]*min-height:\s*32px;[^}]*padding-block:\s*6px;/
+        )
         expect(css).toMatch(/\.asset-impact-links-scroll\.n-scrollbar\s*\{[^}]*height:\s*auto;[^}]*max-width:\s*100%;/)
         expect(readFileSync('src/features/subject-images/SubjectImagesPage.vue', 'utf8')).toMatch(
             /<WorkspacePage\b[^>]*>\s*<template #default>/
@@ -171,7 +175,7 @@ describe('全站平面主题', () => {
             /@container \(max-width: 1200px\)\s*\{\s*\.form-image-toolbar\.has-impact-picker,\s*\.form-image-toolbar\.has-impact-picker\.has-impact-actions\s*\{[^}]*grid-template-columns:\s*minmax\(0, 1fr\);/
         )
         expect(css).toMatch(/\.asset-impact-picker\s*\{[^}]*align-items:\s*center;[^}]*gap:\s*8px;/)
-        expect(css).toMatch(/\.asset-impact-context\s*\{[^}]*gap:\s*10px;[^}]*margin-bottom:\s*12px;/)
+        expect(css).toMatch(/\.asset-impact-context\s*\{[^}]*gap:\s*10px;[^}]*margin:\s*0;/)
     })
 
     it('单图标按钮以当前控件高度为边长，尺寸与内容按钮互不影响', () => {
diff --git a/src/composables/usePolling.test.ts b/src/composables/usePolling.test.ts
index a3a86a2..5582b11 100644
--- a/src/composables/usePolling.test.ts
+++ b/src/composables/usePolling.test.ts
@@ -5,6 +5,47 @@ import { usePolling } from './usePolling'
 afterEach(() => vi.useRealTimers())
 
 describe('异步轮询生命周期', () => {
+    it('关闭定时刷新后仍支持首次读取、手动刷新及查询目标切换', async () => {
+        vi.useFakeTimers()
+        const key = ref('first')
+        const loader = vi.fn<(id: string) => Promise<string>>(async id => id)
+        const scope = effectScope()
+        const query = scope.run(() => usePolling(key, loader, false))!
+        await Promise.resolve()
+        expect(query.data.value).toBe('first')
+        await vi.advanceTimersByTimeAsync(30_000)
+        expect(loader).toHaveBeenCalledTimes(1)
+        await query.refresh()
+        expect(loader).toHaveBeenCalledTimes(2)
+        key.value = 'second'
+        await nextTick()
+        await Promise.resolve()
+        expect(query.data.value).toBe('second')
+        await vi.advanceTimersByTimeAsync(30_000)
+        expect(loader).toHaveBeenCalledTimes(3)
+        scope.stop()
+    })
+
+    it('响应式暂停清除旧定时器，恢复只创建一个轮询链', async () => {
+        vi.useFakeTimers()
+        const interval = ref<number | false>(1000)
+        const loader = vi.fn<() => Promise<string>>(async () => '数据')
+        const scope = effectScope()
+        scope.run(() => usePolling(ref('p'), loader, interval))
+        await Promise.resolve()
+        interval.value = false
+        await nextTick()
+        await vi.advanceTimersByTimeAsync(5000)
+        expect(loader).toHaveBeenCalledTimes(1)
+        interval.value = 1000
+        await nextTick()
+        await vi.advanceTimersByTimeAsync(2000)
+        expect(loader).toHaveBeenCalledTimes(3)
+        scope.stop()
+        await vi.advanceTimersByTimeAsync(5000)
+        expect(loader).toHaveBeenCalledTimes(3)
+    })
+
     it('切换项目忽略旧响应，卸载时不再排队请求', async () => {
         vi.useFakeTimers()
         const key = ref('first')
diff --git a/src/composables/usePolling.ts b/src/composables/usePolling.ts
index c42003f..f64229f 100644
--- a/src/composables/usePolling.ts
+++ b/src/composables/usePolling.ts
@@ -1,11 +1,11 @@
-import { onScopeDispose, ref, watch, type Ref } from 'vue'
+import { onScopeDispose, ref, toValue, watch, type MaybeRefOrGetter, type Ref } from 'vue'
 import { errorMessage } from '../lib/http'
 
 /** 串行轮询：请求完成后才计时；切换项目立即取消，过期响应不会覆盖新项目。 */
 export function usePolling<T>(
     key: Ref<string>,
     loader: (key: string, signal: AbortSignal) => Promise<T>,
-    interval = 6000
+    interval: MaybeRefOrGetter<number | false> = 6000
 ) {
     const data = ref<T | null>(null) as Ref<T | null>
     const loading = ref(false)
@@ -18,10 +18,13 @@ export function usePolling<T>(
 
     /** 隐藏页面只安排下一次检查，不继续拉取完整 checkpoint。 */
     function schedule() {
+        const delay = toValue(interval)
+        if (disposed || delay === false) return
         timer = setTimeout(() => {
+            if (toValue(interval) === false) return
             if (document.visibilityState === 'hidden') schedule()
             else void refresh()
-        }, interval)
+        }, delay)
     }
 
     /** 手动刷新也取消上一次查询，避免同时存在多个轮询链。 */
@@ -49,6 +52,14 @@ export function usePolling<T>(
         }
     }
 
+    // 页面可关闭定时刷新；首次读取、切换查询目标和手动刷新仍然有效。
+    watch(
+        () => toValue(interval),
+        () => {
+            clearTimeout(timer)
+            if (!loading.value) schedule()
+        }
+    )
     watch(
         key,
         () => {
diff --git a/src/features/production/useShotReferences.ts b/src/features/production/useShotReferences.ts
index 783321b..32739be 100644
--- a/src/features/production/useShotReferences.ts
+++ b/src/features/production/useShotReferences.ts
@@ -1,16 +1,29 @@
-import { computed, type Ref } from 'vue'
+import { computed, type MaybeRefOrGetter, type Ref } from 'vue'
 import { usePolling } from '../../composables/usePolling'
 import { storyboardApi } from '../storyboard/api'
 
 /** 仅查询已由当前项目列表确认的镜头，切换目标自动取消旧响应。 */
-export function useShotReferences(projectId: Ref<string>, shotId: Ref<string>) {
+export function useShotReferences(
+    projectId: Ref<string>,
+    shotId: Ref<string>,
+    interval: MaybeRefOrGetter<number | false> = 6000
+) {
     const key = computed(() => JSON.stringify([projectId.value, shotId.value]))
-    return usePolling(key, async (value, signal) => {
-        const [project, shot] = JSON.parse(value) as [string, string]
-        if (!project || !shot) return null
-        const result = await storyboardApi.references(shot, signal)
-        if (!result || result.shotId !== shot || !Array.isArray(result.references) || !Array.isArray(result.missing))
-            throw new Error('镜头参考素材返回不匹配，请刷新后重试。')
-        return result
-    })
+    return usePolling(
+        key,
+        async (value, signal) => {
+            const [project, shot] = JSON.parse(value) as [string, string]
+            if (!project || !shot) return null
+            const result = await storyboardApi.references(shot, signal)
+            if (
+                !result ||
+                result.shotId !== shot ||
+                !Array.isArray(result.references) ||
+                !Array.isArray(result.missing)
+            )
+                throw new Error('镜头参考素材返回不匹配，请刷新后重试。')
+            return result
+        },
+        interval
+    )
 }
diff --git a/src/features/projects/ProjectLayout.vue b/src/features/projects/ProjectLayout.vue
index 550465c..099d418 100644
--- a/src/features/projects/ProjectLayout.vue
+++ b/src/features/projects/ProjectLayout.vue
@@ -11,7 +11,12 @@ import { isProjectComplete, projectAccessKey, type ProjectAccess } from './acces
 const route = useRoute()
 const router = useRouter()
 const id = computed(() => String(route.params.projectId))
-const context = useProjectData(id)
+// 图库使用手动刷新，父布局也停止轮询，避免浏览素材时被周期性更新打断。
+const isGallery = computed(() => route.path.replace(/\/+$/, '').endsWith('/subject-images'))
+const context = useProjectData(
+    id,
+    computed(() => (isGallery.value ? false : 6000))
+)
 provide(projectContextKey, context)
 const operation = computed(() => getOperation(id.value))
 const complete = computed(() => isProjectComplete(context.project.value, id.value))
@@ -60,9 +65,12 @@ onScopeDispose(() => {
                 v-else-if="context.project.value?.id === id"
                 class="project-access-gate"
                 title="请先完成剧本创作"
-                description="剧本完成后，才能使用拆解、视觉风格、主体身份、形态图片、分镜设计与镜头生产。状态会自动更新。"
+                :description="`剧本完成后，才能使用拆解、视觉风格、主体身份、形态图片、分镜设计与镜头生产。${isGallery ? '请手动刷新项目状态。' : '状态会自动更新。'}`"
             >
                 <NButton type="primary" @click="router.push(`/projects/${id}/create-drama`)">返回剧本创作</NButton>
+                <NButton v-if="isGallery" class="ml-3" :loading="context.loading.value" @click="context.refresh"
+                    >刷新项目状态</NButton
+                >
             </EmptyState>
             <NSpin
                 v-else-if="context.loading.value"
diff --git a/src/features/projects/access.test.ts b/src/features/projects/access.test.ts
index ef64638..541dfba 100644
--- a/src/features/projects/access.test.ts
+++ b/src/features/projects/access.test.ts
@@ -67,6 +67,40 @@ async function openProject(initialPath: string) {
 }
 
 describe('剧本完成前的下游访问限制', () => {
+    it('进入图库暂停父级轮询，返回其他工作区恢复定时更新', async () => {
+        vi.useFakeTimers()
+        const detail = vi.spyOn(projectsApi, 'detail').mockResolvedValue(project('manual-gallery', 'completed'))
+        const checkpoints = vi.spyOn(projectsApi, 'checkpoints').mockResolvedValue([])
+        const { router } = await openProject('/projects/manual-gallery/production')
+        await router.push('/projects/manual-gallery/subject-images')
+        await flushPromises()
+        await vi.advanceTimersByTimeAsync(30_000)
+        expect(detail).toHaveBeenCalledTimes(1)
+        expect(checkpoints).toHaveBeenCalledTimes(1)
+        await router.push('/projects/manual-gallery/production')
+        await flushPromises()
+        await vi.advanceTimersByTimeAsync(6000)
+        expect(detail).toHaveBeenCalledTimes(2)
+        expect(checkpoints).toHaveBeenCalledTimes(2)
+    })
+
+    it('图库直接链接只读取一次项目，未完成时可手动刷新解锁', async () => {
+        vi.useFakeTimers()
+        let status: ProjectStatus = 'generating'
+        const detail = vi.spyOn(projectsApi, 'detail').mockImplementation(async id => project(id, status))
+        vi.spyOn(projectsApi, 'checkpoints').mockResolvedValue([])
+        await openProject('/projects/manual-gate/subject-images')
+        await vi.advanceTimersByTimeAsync(30_000)
+        expect(detail).toHaveBeenCalledTimes(1)
+        expect(wrapper!.get('.project-access-gate').text()).not.toContain('状态会自动更新')
+        status = 'completed'
+        const refresh = wrapper!.findAll('button').find(button => button.text() === '刷新项目状态')!
+        await refresh.trigger('click')
+        await flushPromises()
+        expect(detail).toHaveBeenCalledTimes(2)
+        expect(wrapper!.get('.workspace-probe').text()).toBe('subject-images')
+    })
+
     it.each(['draft', 'generating', 'need_review', 'failed'] as const)(
         '%s 不解锁导航，也不挂载直接链接对应的工作区',
         async status => {
diff --git a/src/features/projects/context.ts b/src/features/projects/context.ts
index 4ed74ff..685f6f0 100644
--- a/src/features/projects/context.ts
+++ b/src/features/projects/context.ts
@@ -1,4 +1,4 @@
-import { computed, inject, type InjectionKey } from 'vue'
+import { computed, inject, type InjectionKey, type MaybeRefOrGetter } from 'vue'
 import { usePolling } from '../../composables/usePolling'
 import { projectsApi } from './api'
 import type { ProjectDetail } from './types'
@@ -6,14 +6,18 @@ import type { Checkpoint } from '../workflows/types'
 import type { Ref } from 'vue'
 
 /** 同一项目的各个 graph 共用一份查询，避免每个面板重复请求。 */
-export function useProjectData(id: Ref<string>) {
-    const query = usePolling(id, async (projectId, signal) => {
-        const [project, checkpoints] = await Promise.all([
-            projectsApi.detail(projectId, signal),
-            projectsApi.checkpoints(projectId, signal)
-        ])
-        return { project, checkpoints }
-    })
+export function useProjectData(id: Ref<string>, interval: MaybeRefOrGetter<number | false> = 6000) {
+    const query = usePolling(
+        id,
+        async (projectId, signal) => {
+            const [project, checkpoints] = await Promise.all([
+                projectsApi.detail(projectId, signal),
+                projectsApi.checkpoints(projectId, signal)
+            ])
+            return { project, checkpoints }
+        },
+        interval
+    )
     const project = computed<ProjectDetail | null>(() => query.data.value?.project ?? null)
     const checkpoints = computed<Checkpoint[]>(() => query.data.value?.checkpoints ?? [])
     return { ...query, project, checkpoints }
diff --git a/src/features/subject-images/SubjectImagesPage.vue b/src/features/subject-images/SubjectImagesPage.vue
index 81dccf4..8bcb42a 100644
--- a/src/features/subject-images/SubjectImagesPage.vue
+++ b/src/features/subject-images/SubjectImagesPage.vue
@@ -31,7 +31,7 @@ import FormPromptBatch from './components/FormPromptBatch.vue'
 import { useKeyframeImpact } from './useKeyframeImpact'
 import { queryText, referenceLocation, referenceTargets } from '../production/asset-links'
 
-/** 形态图库以正式数据库为准，自动显示已在后端生成的图片。 */
+/** 形态图库以正式数据库为准；首次读取、手动刷新和自身操作完成后更新，不定时刷新。 */
 const route = useRoute()
 const router = useRouter()
 const {
@@ -39,6 +39,7 @@ const {
     forms,
     staleForms,
     query,
+    refreshProject,
     operation,
     session,
     concurrency,
@@ -205,7 +206,7 @@ function selectImpactShot(shotId: string | null) {
 
 /** 同时刷新素材和镜头影响状态，查询仍不启动生成。 */
 async function refreshAssets() {
-    await Promise.all([query.refresh(), impact.query.refresh(), impact.references.refresh()])
+    await Promise.all([refreshProject(), query.refresh(), impact.query.refresh(), impact.references.refresh()])
 }
 
 /** 全局过期筛选不沿用深链接的单个素材限制。 */
@@ -279,8 +280,7 @@ async function showStaleForms() {
                                 </p>
                             </div>
                             <p class="mt-2 text-[11px] leading-6 text-muted">
-                                每 6
-                                秒更新图片记录；主图供分镜引用，候选图和历史失败记录均保留。过期主图不会自动删除，也不会被批量任务静默替换。
+                                图库不自动刷新，可点击“刷新图库”读取最新记录。主图供分镜引用，候选图和历史失败记录均保留；过期主图不会自动删除或替换。
                             </p>
                             <NAlert v-if="staleForms.length" type="error" :show-icon="false" class="mt-4"
                                 ><div class="flex flex-wrap items-center justify-between gap-3">
@@ -420,117 +420,119 @@ async function showStaleForms() {
                 >镜头影响检查失败，暂时无法确认有无过期首帧：{{ impact.query.error.value }}
                 <NButton text size="small" @click="impact.query.refresh">重试检查</NButton></NAlert
             >
-            <div class="form-image-filter-region">
-                <div
-                    class="form-image-toolbar"
-                    :class="{
-                        'has-impact-picker': impactOptions.length || sourceShotId,
-                        'has-impact-actions': sourceShotId || targetFormId
-                    }"
-                >
+            <div class="gallery-sticky-controls">
+                <div class="form-image-filter-region">
                     <div
-                        v-if="impactOptions.length || sourceShotId"
-                        class="asset-impact-picker"
-                        role="group"
-                        aria-label="镜头定位与导航"
+                        class="form-image-toolbar"
+                        :class="{
+                            'has-impact-picker': impactOptions.length || sourceShotId,
+                            'has-impact-actions': sourceShotId || targetFormId
+                        }"
                     >
-                        <NSelect
-                            :value="sourceShot?.shotId ?? null"
-                            :options="impactOptions"
-                            placeholder="选择过期镜头，查看关联素材"
-                            clearable
-                            aria-label="选择关联镜头"
-                            class="asset-impact-select"
-                            @update:value="selectImpactShot"
-                        />
-                        <RouterLink v-if="sourceLocation" :to="sourceLocation" custom v-slot="{ href, navigate }">
-                            <NButton
-                                tag="a"
-                                :href="href"
-                                @click="navigate"
-                                class="icon-button"
-                                :aria-label="`返回第 ${sourceShot?.episodeNo} 集 · 镜头 ${sourceShot?.shotNo}`"
-                                :title="`返回第 ${sourceShot?.episodeNo} 集 · 镜头 ${sourceShot?.shotNo}`"
-                            >
-                                <template #icon><ArrowLeft :size="16" /></template>
-                                <span class="sr-only"
-                                    >返回第 {{ sourceShot?.episodeNo }} 集 · 镜头 {{ sourceShot?.shotNo }}</span
-                                >
-                            </NButton>
-                        </RouterLink>
-                        <NButton
-                            v-if="sourceShotId || targetFormId"
-                            class="icon-button"
-                            aria-label="查看全部素材"
-                            title="查看全部素材（清除定位与筛选）"
-                            @click="resetFilters"
+                        <div
+                            v-if="impactOptions.length || sourceShotId"
+                            class="asset-impact-picker"
+                            role="group"
+                            aria-label="镜头定位与导航"
                         >
-                            <template #icon><LayoutGrid :size="16" /></template>
-                        </NButton>
-                    </div>
-                    <div class="form-image-filters" role="group" aria-label="形态图片筛选">
-                        <NInput
-                            placeholder="搜索主体、引用或形态"
-                            :input-props="{ 'aria-label': '搜索形态图片' }"
-                            v-model:value="search"
-                            clearable
-                            ><template #prefix><Search :size="14" /></template
-                        ></NInput>
-                        <NSelect
-                            aria-label="筛选主体类型"
-                            v-model:value="module"
-                            :options="[
-                                { label: String('全部类型'), value: 'all' },
-                                { label: String('人物'), value: 'character' },
-                                { label: String('场景'), value: 'scene' },
-                                { label: String('道具'), value: 'prop' }
-                            ]"
-                        ></NSelect>
-                        <div class="filter-toggles">
-                            <NCheckbox v-model:checked="onlyMissing">仅看缺少主图</NCheckbox>
-                            <NCheckbox v-model:checked="onlyStale">仅看身份过期</NCheckbox>
+                            <NSelect
+                                :value="sourceShot?.shotId ?? null"
+                                :options="impactOptions"
+                                placeholder="选择过期镜头，查看关联素材"
+                                clearable
+                                aria-label="选择关联镜头"
+                                class="asset-impact-select"
+                                @update:value="selectImpactShot"
+                            />
+                            <RouterLink v-if="sourceLocation" :to="sourceLocation" custom v-slot="{ href, navigate }">
+                                <NButton
+                                    tag="a"
+                                    :href="href"
+                                    @click="navigate"
+                                    class="icon-button"
+                                    :aria-label="`返回第 ${sourceShot?.episodeNo} 集 · 镜头 ${sourceShot?.shotNo}`"
+                                    :title="`返回第 ${sourceShot?.episodeNo} 集 · 镜头 ${sourceShot?.shotNo}`"
+                                >
+                                    <template #icon><ArrowLeft :size="16" /></template>
+                                    <span class="sr-only"
+                                        >返回第 {{ sourceShot?.episodeNo }} 集 · 镜头 {{ sourceShot?.shotNo }}</span
+                                    >
+                                </NButton>
+                            </RouterLink>
+                            <NButton
+                                v-if="sourceShotId || targetFormId"
+                                class="icon-button"
+                                aria-label="查看全部素材"
+                                title="查看全部素材（清除定位与筛选）"
+                                @click="resetFilters"
+                            >
+                                <template #icon><LayoutGrid :size="16" /></template>
+                            </NButton>
+                        </div>
+                        <div class="form-image-filters" role="group" aria-label="形态图片筛选">
+                            <NInput
+                                placeholder="搜索主体、引用或形态"
+                                :input-props="{ 'aria-label': '搜索形态图片' }"
+                                v-model:value="search"
+                                clearable
+                                ><template #prefix><Search :size="14" /></template
+                            ></NInput>
+                            <NSelect
+                                aria-label="筛选主体类型"
+                                v-model:value="module"
+                                :options="[
+                                    { label: String('全部类型'), value: 'all' },
+                                    { label: String('人物'), value: 'character' },
+                                    { label: String('场景'), value: 'scene' },
+                                    { label: String('道具'), value: 'prop' }
+                                ]"
+                            ></NSelect>
+                            <div class="filter-toggles">
+                                <NCheckbox v-model:checked="onlyMissing">仅看缺少主图</NCheckbox>
+                                <NCheckbox v-model:checked="onlyStale">仅看身份过期</NCheckbox>
+                            </div>
+                            <span class="filter-result-count">{{ filtered.length }} 个形态</span>
                         </div>
-                        <span class="filter-result-count">{{ filtered.length }} 个形态</span>
                     </div>
                 </div>
-            </div>
-            <div v-if="showImpactDetails" class="asset-impact-context mt-3" aria-label="镜头与素材定位">
-                <p v-if="sourceMissing" class="text-danger">来源镜头不存在或不属于当前项目，未读取其素材。</p>
-                <p v-if="sourceCurrent" class="text-xs">
-                    当前检查：{{
-                        sourceShot?.primaryKeyframeId ? '该镜头主首帧未被标记为过期' : '该镜头暂无主首帧'
-                    }}。请以后端最新就绪状态为准。
-                </p>
-                <p v-if="sourceShot?.inconsistent" class="text-xs text-danger">
-                    当前镜头：首帧检查未标记过期，但视频检查报告过期。请核对后端检查逻辑与身份母版，暂不建议重复生图。
-                </p>
-                <p v-if="targetUnlinked" class="text-xs text-danger">
-                    指定形态不在该镜头当前的有效引用列表中，关联可能已调整或主图缺失，请从下方关联素材重新核对。
-                </p>
-                <NScrollbar
-                    v-if="linkedReferences.length && !impact.references.error.value"
-                    :key="sourceShotId"
-                    class="asset-impact-links-scroll"
-                    content-class="asset-impact-links"
-                    x-scrollable
-                    trigger="none"
-                    role="region"
-                    aria-label="本镜头关联素材，可横向滚动"
-                >
-                    <span class="text-xs text-muted">本镜头当前关联素材：</span
-                    ><RouterLink
-                        v-for="target in linkedReferences"
-                        :key="target.formId || target.subjectRef"
-                        :to="referenceLocation(id, sourceShotId, target)"
-                        class="text-button"
-                        >{{ target.label }} →</RouterLink
+                <div v-if="showImpactDetails" class="asset-impact-context" aria-label="镜头与素材定位">
+                    <p v-if="sourceMissing" class="text-danger">来源镜头不存在或不属于当前项目，未读取其素材。</p>
+                    <p v-if="sourceCurrent" class="text-xs">
+                        当前检查：{{
+                            sourceShot?.primaryKeyframeId ? '该镜头主首帧未被标记为过期' : '该镜头暂无主首帧'
+                        }}。请以后端最新就绪状态为准。
+                    </p>
+                    <p v-if="sourceShot?.inconsistent" class="text-xs text-danger">
+                        当前镜头：首帧检查未标记过期，但视频检查报告过期。请核对后端检查逻辑与身份母版，暂不建议重复生图。
+                    </p>
+                    <p v-if="targetUnlinked" class="text-xs text-danger">
+                        指定形态不在该镜头当前的有效引用列表中，关联可能已调整或主图缺失，请从下方关联素材重新核对。
+                    </p>
+                    <NScrollbar
+                        v-if="linkedReferences.length && !impact.references.error.value"
+                        :key="sourceShotId"
+                        class="asset-impact-links-scroll"
+                        content-class="asset-impact-links"
+                        x-scrollable
+                        trigger="none"
+                        role="region"
+                        aria-label="本镜头关联素材，可横向滚动"
                     >
-                </NScrollbar>
-                <p v-if="impact.references.loading.value" class="text-xs text-muted">正在读取镜头关联素材…</p>
-                <p v-if="impact.references.error.value" class="text-xs text-danger">
-                    {{ impact.references.error.value }}
-                    <NButton text size="small" @click="impact.references.refresh">重试读取素材</NButton>
-                </p>
+                        <span class="text-xs text-muted">本镜头当前关联素材：</span
+                        ><RouterLink
+                            v-for="target in linkedReferences"
+                            :key="target.formId || target.subjectRef"
+                            :to="referenceLocation(id, sourceShotId, target)"
+                            class="text-button"
+                            >{{ target.label }} →</RouterLink
+                        >
+                    </NScrollbar>
+                    <p v-if="impact.references.loading.value" class="text-xs text-muted">正在读取镜头关联素材…</p>
+                    <p v-if="impact.references.error.value" class="text-xs text-danger">
+                        {{ impact.references.error.value }}
+                        <NButton text size="small" @click="impact.references.refresh">重试读取素材</NButton>
+                    </p>
+                </div>
             </div>
             <NAlert
                 v-if="targetFormId"
diff --git a/src/features/subject-images/asset-impact.test.ts b/src/features/subject-images/asset-impact.test.ts
index 9b64628..e7bf0a6 100644
--- a/src/features/subject-images/asset-impact.test.ts
+++ b/src/features/subject-images/asset-impact.test.ts
@@ -18,6 +18,7 @@ afterEach(() => {
     wrapper?.unmount()
     wrapper = undefined
     document.body.innerHTML = ''
+    vi.useRealTimers()
     vi.unstubAllGlobals()
 })
 
@@ -132,14 +133,34 @@ async function gallery(query = '') {
 }
 
 describe('过期首帧到具体素材定位', () => {
+    it('图库与关联检查不定时刷新，手动刷新仍能更新数据', async () => {
+        vi.useFakeTimers()
+        const { fetcher } = await gallery('?sourceShotId=shot-target')
+        const count = fetcher.mock.calls.length
+        const grid = wrapper!.get('.form-image-grid').element
+        await vi.advanceTimersByTimeAsync(30_000)
+        await flushPromises()
+        expect(fetcher).toHaveBeenCalledTimes(count)
+        expect(wrapper!.get('.form-image-grid').element).toBe(grid)
+        const refresh = wrapper!.findAll('button').find(button => button.text().includes('刷新图库'))!
+        await refresh.trigger('click')
+        await flushPromises()
+        expect(fetcher.mock.calls.length).toBeGreaterThan(count)
+        const refreshed = fetcher.mock.calls.length
+        await vi.advanceTimersByTimeAsync(30_000)
+        expect(fetcher).toHaveBeenCalledTimes(refreshed)
+    })
+
     it('切换镜头时筛选、关联说明和图片共用稳定纵向容器，长关联列表单独横向滚动', async () => {
         const { keyframes, videos, references, fetcher } = await gallery('?sourceShotId=shot-target')
         expect(wrapper!.find('.workspace-heading-scroll').exists()).toBe(false)
         const scroll = wrapper!.get<HTMLElement>('.workspace-scroll > .n-scrollbar-container').element
         const content = wrapper!.get('.workspace-scroll-content').element
+        const sticky = wrapper!.get('.gallery-sticky-controls').element
         const toolbar = wrapper!.get('.form-image-filter-region').element
-        expect(toolbar.parentElement).toBe(content)
-        expect(wrapper!.get('.asset-impact-context').element.parentElement).toBe(content)
+        expect(sticky.parentElement).toBe(content)
+        expect(toolbar.parentElement).toBe(sticky)
+        expect(wrapper!.get('.asset-impact-context').element.parentElement).toBe(sticky)
         expect(wrapper!.get('.form-image-grid').element.parentElement).toBe(content)
         scroll.scrollTop = 480
         keyframes.items.push({ ...keyframes.items[0]!, shotId: 'shot-next', shotNo: 2 })
@@ -184,7 +205,8 @@ describe('过期首帧到具体素材定位', () => {
         expect(wrapper!.get('.workspace-scroll > .n-scrollbar-container').element).toBe(scroll)
         expect(wrapper!.get('.form-image-filter-region').element).toBe(toolbar)
         expect(scroll.scrollTop).toBe(480)
-        expect(wrapper!.get('.asset-impact-context').element.parentElement).toBe(content)
+        expect(wrapper!.get('.gallery-sticky-controls').element).toBe(sticky)
+        expect(wrapper!.get('.asset-impact-context').element.parentElement).toBe(sticky)
         expect(wrapper!.get('.form-image-grid').element.parentElement).toBe(content)
         const links = wrapper!.get('.asset-impact-links-scroll')
         expect(links.findAll('a')).toHaveLength(24)
diff --git a/src/features/subject-images/components/ImageGalleryDialog.vue b/src/features/subject-images/components/ImageGalleryDialog.vue
index 76073ca..dbe6ea6 100644
--- a/src/features/subject-images/components/ImageGalleryDialog.vue
+++ b/src/features/subject-images/components/ImageGalleryDialog.vue
@@ -19,12 +19,16 @@ const emit = defineEmits<{ changed: [] }>()
 const selectedId = ref('')
 const confirming = ref(false)
 const key = computed(() => (open.value ? (props.form?.id ?? '') : ''))
-const query = usePolling(key, async (id, signal) => {
-    if (!id) return null
-    const rows = await subjectImagesApi.listImages(id, signal)
-    if (rows.some(image => image.subjectFormId !== id)) throw new Error('图片记录与当前形态不匹配，请刷新后重试。')
-    return rows
-})
+const query = usePolling(
+    key,
+    async (id, signal) => {
+        if (!id) return null
+        const rows = await subjectImagesApi.listImages(id, signal)
+        if (rows.some(image => image.subjectFormId !== id)) throw new Error('图片记录与当前形态不匹配，请刷新后重试。')
+        return rows
+    },
+    false
+)
 const images = computed(() => query.data.value ?? [])
 const selected = computed(
     () => images.value.find(image => image.id === selectedId.value) ?? primaryImage(images.value) ?? images.value[0]
diff --git a/src/features/subject-images/images.test.ts b/src/features/subject-images/images.test.ts
index 4166876..a684e30 100644
--- a/src/features/subject-images/images.test.ts
+++ b/src/features/subject-images/images.test.ts
@@ -19,6 +19,7 @@ afterEach(() => {
     wrapper?.unmount()
     wrapper = undefined
     document.body.innerHTML = ''
+    vi.useRealTimers()
     vi.unstubAllGlobals()
     Object.assign(getOperation('gallery-test'), { pending: false, label: '', error: '', notice: '' })
 })
@@ -134,6 +135,7 @@ describe('形态图片选择与操作', () => {
     })
 
     it('图库不自动生图，主图切换经确认后 PUT，失败图片不能设主图', async () => {
+        vi.useFakeTimers()
         let primary = false
         const fetcher = vi.fn<typeof fetch>().mockImplementation(async (_url, init) => {
             if (init?.method === 'PUT') {
@@ -162,6 +164,8 @@ describe('形态图片选择与操作', () => {
         })
         await flushPromises()
         expect(fetcher.mock.calls).toHaveLength(1)
+        await vi.advanceTimersByTimeAsync(30_000)
+        expect(fetcher.mock.calls).toHaveLength(1)
         await expandSections()
         expect(document.body.textContent).toContain('<script>模型提示词</script>')
         expect(document.querySelector('[role="dialog"] script')).toBeNull()
diff --git a/src/features/subject-images/useKeyframeImpact.ts b/src/features/subject-images/useKeyframeImpact.ts
index 1891108..609619b 100644
--- a/src/features/subject-images/useKeyframeImpact.ts
+++ b/src/features/subject-images/useKeyframeImpact.ts
@@ -5,35 +5,41 @@ import { useShotReferences } from '../production/useShotReferences'
 
 /** 镜头影响检查与素材查询独立；检查失败不把素材误判为正常或阻断独立的素材操作。 */
 export function useKeyframeImpact(projectId: Ref<string>, sourceShotId: Ref<string>) {
-    const query = usePolling(projectId, async (id, signal) => {
-        if (!id) return null
-        const [keyframes, videos] = await Promise.all([
-            productionApi.keyframeReadiness(id, false, signal),
-            productionApi.videoReadiness(id, false, signal)
-        ])
-        if (!keyframes || !Array.isArray(keyframes.items) || !videos || !Array.isArray(videos.items))
-            throw new Error('主首帧影响检查未返回镜头列表。')
-        const byShot = new Map(videos.items.map(item => [item.shotId, item]))
-        if (byShot.size !== keyframes.items.length || keyframes.items.some(item => !byShot.has(item.shotId)))
-            throw new Error('首帧与视频检查的镜头列表不一致，可能正在重新拆解，请刷新后重试。')
-        return {
-            ...keyframes,
-            items: keyframes.items.map(item => {
-                const issues = byShot.get(item.shotId)?.issues.filter(issue => issue.code === 'stale_keyframe') ?? []
-                return {
-                    ...item,
-                    primaryKeyframeStale: !!item.primaryKeyframeStale || issues.length > 0,
-                    inconsistent: item.primaryKeyframeStale === false && issues.length > 0
-                }
-            })
-        }
-    })
+    const query = usePolling(
+        projectId,
+        async (id, signal) => {
+            if (!id) return null
+            const [keyframes, videos] = await Promise.all([
+                productionApi.keyframeReadiness(id, false, signal),
+                productionApi.videoReadiness(id, false, signal)
+            ])
+            if (!keyframes || !Array.isArray(keyframes.items) || !videos || !Array.isArray(videos.items))
+                throw new Error('主首帧影响检查未返回镜头列表。')
+            const byShot = new Map(videos.items.map(item => [item.shotId, item]))
+            if (byShot.size !== keyframes.items.length || keyframes.items.some(item => !byShot.has(item.shotId)))
+                throw new Error('首帧与视频检查的镜头列表不一致，可能正在重新拆解，请刷新后重试。')
+            return {
+                ...keyframes,
+                items: keyframes.items.map(item => {
+                    const issues =
+                        byShot.get(item.shotId)?.issues.filter(issue => issue.code === 'stale_keyframe') ?? []
+                    return {
+                        ...item,
+                        primaryKeyframeStale: !!item.primaryKeyframeStale || issues.length > 0,
+                        inconsistent: item.primaryKeyframeStale === false && issues.length > 0
+                    }
+                })
+            }
+        },
+        false
+    )
     const stale = computed(() => query.data.value?.items.filter(item => item.primaryKeyframeStale) ?? [])
     // 不根据 URL 中的任意镜头 ID 发请求，必须属于当前项目的就绪列表。
     const source = computed(() => query.data.value?.items.find(item => item.shotId === sourceShotId.value))
     const references = useShotReferences(
         projectId,
-        computed(() => source.value?.shotId ?? '')
+        computed(() => source.value?.shotId ?? ''),
+        false
     )
     const relatedForms = computed(
         () => new Set(references.data.value?.references.map(item => item.subjectFormId) ?? [])
diff --git a/src/features/subject-images/useSubjectImages.ts b/src/features/subject-images/useSubjectImages.ts
index 783e14c..fc1ee96 100644
--- a/src/features/subject-images/useSubjectImages.ts
+++ b/src/features/subject-images/useSubjectImages.ts
@@ -17,28 +17,32 @@ export function useSubjectImages() {
     const limit = ref<number | ''>('')
     const promptConcurrency = ref(3)
     const promptForce = ref(false)
-    const query = usePolling(id, async (projectId, signal) => {
-        if (!projectId) return []
-        try {
-            const forms = await subjectImagesApi.listForms(projectId, signal)
-            if (
-                forms.some(
-                    form =>
-                        form.subject.projectId !== projectId ||
-                        form.images.some(image => image.subjectFormId !== form.id)
+    const query = usePolling(
+        id,
+        async (projectId, signal) => {
+            if (!projectId) return []
+            try {
+                const forms = await subjectImagesApi.listForms(projectId, signal)
+                if (
+                    forms.some(
+                        form =>
+                            form.subject.projectId !== projectId ||
+                            form.images.some(image => image.subjectFormId !== form.id)
+                    )
                 )
-            )
-                throw new Error('形态图库返回了不匹配的项目或图片，请刷新后重试。')
-            return forms
-        } catch (error) {
-            if (error instanceof ApiError && error.status === 404)
-                throw new Error(
-                    '后端尚未提供形态图库查询，请更新后端 dev 并重启服务（GET /projects/:id/subject-forms）。',
-                    { cause: error }
-                )
-            throw error
-        }
-    })
+                    throw new Error('形态图库返回了不匹配的项目或图片，请刷新后重试。')
+                return forms
+            } catch (error) {
+                if (error instanceof ApiError && error.status === 404)
+                    throw new Error(
+                        '后端尚未提供形态图库查询，请更新后端 dev 并重启服务（GET /projects/:id/subject-forms）。',
+                        { cause: error }
+                    )
+                throw error
+            }
+        },
+        false
+    )
     const forms = computed(() => query.data.value ?? [])
     const staleForms = computed(() => forms.value.filter(form => isPrimaryIdentityStale(form)))
     const operation = computed(() => getOperation(id.value))
@@ -188,6 +192,7 @@ export function useSubjectImages() {
         forms,
         staleForms,
         query,
+        refreshProject: context.refresh,
         operation,
         session,
         concurrency,