diff --git a/eslint-suppressions.json b/eslint-suppressions.json
index caf63ae1..0ab83faf 100644
--- a/eslint-suppressions.json
+++ b/eslint-suppressions.json
@@ -612,11 +612,6 @@
       "count": 1
     }
   },
-  "src/pages/dashboard.vue": {
-    "@typescript-eslint/no-explicit-any": {
-      "count": 1
-    }
-  },
   "src/pages/resource.vue": {
     "@typescript-eslint/no-explicit-any": {
       "count": 3
diff --git a/src/composables/__tests__/useDashboardMediaGridCapacity.spec.ts b/src/composables/__tests__/useDashboardMediaGridCapacity.spec.ts
new file mode 100644
index 00000000..ecf01588
--- /dev/null
+++ b/src/composables/__tests__/useDashboardMediaGridCapacity.spec.ts
@@ -0,0 +1,220 @@
+import { useDashboardMediaGridCapacity } from '@/composables/useDashboardMediaGridCapacity'
+import { fireEvent, render, screen } from '@testing-library/vue'
+import { defineComponent, nextTick, ref, type Ref } from 'vue'
+import { beforeEach, describe, expect, it, vi } from 'vitest'
+
+class ResizeObserverMock implements ResizeObserver {
+  static instances: ResizeObserverMock[] = []
+
+  readonly targets = new Set<Element>()
+  readonly disconnect = vi.fn(() => this.targets.clear())
+  readonly observe = vi.fn((target: Element) => this.targets.add(target))
+  readonly unobserve = vi.fn((target: Element) => this.targets.delete(target))
+
+  constructor(private readonly callback: ResizeObserverCallback) {
+    ResizeObserverMock.instances.push(this)
+  }
+
+  trigger() {
+    this.callback([], this)
+  }
+}
+
+interface CapacityHarnessOptions {
+  contentSelector?: string
+  horizontalPadding?: number
+  maxCount?: number
+  minItemWidth: number
+  rows?: Ref<number>
+}
+
+function createFrameHarness() {
+  const callbacks = new Map<number, FrameRequestCallback>()
+  let nextFrameId = 0
+
+  vi.spyOn(window, 'requestAnimationFrame').mockImplementation(callback => {
+    nextFrameId += 1
+    callbacks.set(nextFrameId, callback)
+    return nextFrameId
+  })
+  const cancelFrame = vi.spyOn(window, 'cancelAnimationFrame').mockImplementation(frameId => {
+    callbacks.delete(frameId)
+  })
+
+  return {
+    callbacks,
+    cancelFrame,
+    flush() {
+      const queuedCallbacks = [...callbacks.values()]
+      callbacks.clear()
+      queuedCallbacks.forEach(callback => callback(performance.now()))
+    },
+  }
+}
+
+function renderCapacityHarness(options: CapacityHarnessOptions) {
+  let capacity!: ReturnType<typeof useDashboardMediaGridCapacity>
+
+  const Harness = defineComponent({
+    setup() {
+      capacity = useDashboardMediaGridCapacity(options)
+
+      return {
+        columnCount: capacity.columnCount,
+        containerRef: capacity.containerRef,
+        itemCount: capacity.itemCount,
+      }
+    },
+    template: `
+      <div ref="containerRef" data-testid="container">
+        <div class="dashboard-media-content" data-testid="content" />
+        <span data-testid="columns">{{ columnCount }}</span>
+        <span data-testid="items">{{ itemCount }}</span>
+      </div>
+    `,
+  })
+
+  const rendered = render(Harness)
+
+  return { capacity, ...rendered }
+}
+
+function setClientWidth(element: HTMLElement, width: number) {
+  Object.defineProperty(element, 'clientWidth', { configurable: true, value: width })
+}
+
+function setBoundingWidth(element: HTMLElement, width: number) {
+  element.getBoundingClientRect = () =>
+    ({
+      bottom: 0,
+      height: 0,
+      left: 0,
+      right: width,
+      toJSON: () => ({}),
+      top: 0,
+      width,
+      x: 0,
+      y: 0,
+    }) as DOMRect
+}
+
+async function settleInitialMeasurement(frames: ReturnType<typeof createFrameHarness>) {
+  await nextTick()
+  frames.flush()
+  await nextTick()
+}
+
+describe('dashboard media grid capacity', () => {
+  beforeEach(() => {
+    ResizeObserverMock.instances = []
+    vi.stubGlobal('ResizeObserver', ResizeObserverMock)
+  })
+
+  it('uses the selected content box and responsive row count to calculate the request size', async () => {
+    const frames = createFrameHarness()
+    const rows = ref(2)
+    const { capacity } = renderCapacityHarness({
+      contentSelector: '.dashboard-media-content',
+      maxCount: 10,
+      minItemWidth: 144,
+      rows,
+    })
+    const content = screen.getByTestId('content')
+    setClientWidth(content, 760)
+    content.style.paddingLeft = '20px'
+    content.style.paddingRight = '20px'
+
+    capacity.refreshCapacity()
+    await nextTick()
+    expect(screen.getByTestId('columns')).toHaveTextContent('4')
+    expect(screen.getByTestId('items')).toHaveTextContent('8')
+
+    rows.value = 3
+    await nextTick()
+    expect(screen.getByTestId('items')).toHaveTextContent('10')
+
+    await settleInitialMeasurement(frames)
+  })
+
+  it('falls back to the host width and subtracts the declared horizontal padding', async () => {
+    const frames = createFrameHarness()
+    const { capacity } = renderCapacityHarness({ horizontalPadding: 40, minItemWidth: 240 })
+    const container = screen.getByTestId('container')
+    setBoundingWidth(container, 760)
+
+    capacity.refreshCapacity()
+    await nextTick()
+
+    expect(screen.getByTestId('columns')).toHaveTextContent('2')
+    expect(screen.getByTestId('items')).toHaveTextContent('4')
+    await settleInitialMeasurement(frames)
+  })
+
+  it('coalesces observer and window resize notifications into one measurement frame', async () => {
+    const frames = createFrameHarness()
+    renderCapacityHarness({ minItemWidth: 200 })
+    const container = screen.getByTestId('container')
+    setBoundingWidth(container, 640)
+    await settleInitialMeasurement(frames)
+    const observer = ResizeObserverMock.instances.at(-1)
+    expect(observer?.targets.has(container)).toBe(true)
+
+    observer?.trigger()
+    window.dispatchEvent(new Event('resize'))
+
+    expect(frames.callbacks).toHaveLength(1)
+    frames.flush()
+    await nextTick()
+    expect(screen.getByTestId('columns')).toHaveTextContent('3')
+    expect(screen.getByTestId('items')).toHaveTextContent('6')
+  })
+
+  it('refreshes after KeepAlive activation and releases observers, listeners, and queued frames on unmount', async () => {
+    const frames = createFrameHarness()
+    let capacity!: ReturnType<typeof useDashboardMediaGridCapacity>
+    const Card = defineComponent({
+      setup() {
+        capacity = useDashboardMediaGridCapacity({ minItemWidth: 200 })
+        return { containerRef: capacity.containerRef, itemCount: capacity.itemCount }
+      },
+      template: '<div ref="containerRef" data-testid="container">{{ itemCount }}</div>',
+    })
+    const Harness = defineComponent({
+      components: { Card },
+      setup() {
+        const active = ref(true)
+        return { active }
+      },
+      template: `
+        <button type="button" @click="active = false">停用</button>
+        <button type="button" @click="active = true">启用</button>
+        <KeepAlive><Card v-if="active" /></KeepAlive>
+      `,
+    })
+    const rendered = render(Harness)
+    const container = screen.getByTestId('container')
+    setBoundingWidth(container, 432)
+    capacity.refreshCapacity()
+    await nextTick()
+    expect(container).toHaveTextContent('4')
+
+    await fireEvent.click(screen.getByRole('button', { name: '停用' }))
+    setBoundingWidth(container, 648)
+    await fireEvent.click(screen.getByRole('button', { name: '启用' }))
+    await nextTick()
+    expect(screen.getByTestId('container')).toHaveTextContent('6')
+
+    frames.flush()
+    const observer = ResizeObserverMock.instances.at(-1)
+    observer?.trigger()
+    const queuedFrameId = [...frames.callbacks.keys()][0]
+    rendered.unmount()
+
+    expect(observer?.disconnect).toHaveBeenCalledOnce()
+    expect(frames.cancelFrame).toHaveBeenCalledWith(queuedFrameId)
+    expect(frames.callbacks).toHaveLength(0)
+
+    window.dispatchEvent(new Event('resize'))
+    expect(frames.callbacks).toHaveLength(0)
+  })
+})
diff --git a/src/pages/__tests__/dashboard.spec.ts b/src/pages/__tests__/dashboard.spec.ts
index d2ecfe39..1087bc0f 100644
--- a/src/pages/__tests__/dashboard.spec.ts
+++ b/src/pages/__tests__/dashboard.spec.ts
@@ -3,6 +3,7 @@ import { usePluginRuntimeStore } from '@/stores/pluginRuntime'
 import { DEFAULT_PERMISSIONS } from '@/utils/permission'
 import { renderWithProviders } from '@tests/support/render'
 import { fireEvent, screen, waitFor } from '@testing-library/vue'
+import { toRaw } from 'vue'
 import { beforeEach, describe, expect, it, vi } from 'vitest'
 
 const mocks = vi.hoisted(() => {
@@ -220,13 +221,18 @@ function deferred<T>() {
   return { promise, resolve }
 }
 
-async function renderDashboard() {
+async function renderDashboard(
+  user: {
+    permissions?: Partial<typeof DEFAULT_PERMISSIONS>
+    superUser?: boolean
+  } = {},
+) {
   return renderWithProviders(DashboardPage, {
     initialRoute: '/dashboard',
     initialState: {
       user: {
-        permissions: { ...DEFAULT_PERMISSIONS, discovery: true },
-        superUser: true,
+        permissions: { ...DEFAULT_PERMISSIONS, discovery: true, ...user.permissions },
+        superUser: user.superUser ?? true,
       },
     },
   })
@@ -300,11 +306,259 @@ describe('dashboard page initial layout', () => {
     mocks.apiGet.mockClear()
 
     const runtimeStore = usePluginRuntimeStore(pinia)
-    runtimeStore.reconciliation = 1
+    runtimeStore.reconciliation = 2
 
     await waitFor(() => expect(mocks.apiGet).toHaveBeenCalledWith('/plugin/dashboard/meta'))
   })
 
+  it('removes a plugin dashboard when runtime metadata no longer advertises it', async () => {
+    const pluginDashboardId = 'plugin-a:summary'
+    const enabled = { ...enabledOnlySystemInfo, [pluginDashboardId]: true, systemInfo: false }
+    localStorage.setItem(
+      'MP_DASHBOARD_GRID_LAYOUT',
+      JSON.stringify({ enabled, items: { [pluginDashboardId]: { x: 0, y: 0, w: 6, h: 8 } }, updatedAt: 10 }),
+    )
+    localStorage.setItem('MP_DASHBOARD_ORDER', JSON.stringify([{ id: 'plugin-a', key: 'summary' }]))
+    const latePluginDashboard = deferred<Record<string, unknown>>()
+    let detailReads = 0
+    let metaReads = 0
+    mocks.apiGet.mockImplementation((url: string) => {
+      if (url === '/user/config/DashboardOrder' || url === '/user/config/DashboardGridLayout') return { data: {} }
+      if (url === '/plugin/dashboard/meta') {
+        metaReads += 1
+        return metaReads <= 2 ? [{ id: 'plugin-a', key: 'summary', name: '插件摘要' }] : []
+      }
+      if (url === '/plugin/dashboard/plugin-a/summary') {
+        detailReads += 1
+        const dashboard = {
+          attrs: { refresh: 30 },
+          cols: { cols: 12 },
+          elements: [],
+          id: 'plugin-a',
+          key: 'summary',
+          name: '原始名称',
+          rows: 8,
+        }
+        return detailReads === 1 ? dashboard : latePluginDashboard.promise
+      }
+      throw new Error('Unexpected GET ' + url)
+    })
+
+    const { pinia } = await renderDashboard()
+    expect(await screen.findByText('插件摘要')).toBeInTheDocument()
+    await new Promise(resolve => setTimeout(resolve, 0))
+
+    const runtimeStore = usePluginRuntimeStore(pinia)
+    runtimeStore.reconciliation = 1
+    await waitFor(() => expect(detailReads).toBe(2))
+
+    runtimeStore.reconciliation = 2
+
+    await waitFor(() => expect(metaReads).toBe(3))
+    await waitFor(() => expect(screen.queryByText('插件摘要')).not.toBeInTheDocument())
+
+    latePluginDashboard.resolve({
+      attrs: { refresh: 30 },
+      cols: { cols: 12 },
+      elements: [],
+      id: 'plugin-a',
+      key: 'summary',
+      name: '迟到详情',
+      rows: 8,
+    })
+    await new Promise(resolve => setTimeout(resolve, 0))
+    expect(screen.queryByText('插件摘要')).not.toBeInTheDocument()
+  })
+
+  it('ignores an older plugin metadata response after a newer runtime snapshot is applied', async () => {
+    const pluginDashboardId = 'plugin-a:summary'
+    const enabled = { ...enabledOnlySystemInfo, [pluginDashboardId]: true, systemInfo: false }
+    const staleMeta = deferred<Array<{ id: string; key: string; name: string }>>()
+    localStorage.setItem(
+      'MP_DASHBOARD_GRID_LAYOUT',
+      JSON.stringify({ enabled, items: { [pluginDashboardId]: { x: 0, y: 0, w: 6, h: 8 } }, updatedAt: 10 }),
+    )
+    let detailReads = 0
+    let metaReads = 0
+    mocks.apiGet.mockImplementation((url: string) => {
+      if (url === '/user/config/DashboardOrder' || url === '/user/config/DashboardGridLayout') return { data: {} }
+      if (url === '/plugin/dashboard/meta') {
+        metaReads += 1
+        if (metaReads === 1) return [{ id: 'plugin-a', key: 'summary', name: '插件摘要' }]
+        if (metaReads === 2) return staleMeta.promise
+        return []
+      }
+      if (url === '/plugin/dashboard/plugin-a/summary') {
+        detailReads += 1
+        return {
+          attrs: {},
+          cols: { cols: 12 },
+          elements: [],
+          id: 'plugin-a',
+          key: 'summary',
+          name: '原始名称',
+          rows: 8,
+        }
+      }
+      throw new Error('Unexpected GET ' + url)
+    })
+
+    const { pinia } = await renderDashboard()
+    expect(await screen.findByText('插件摘要')).toBeInTheDocument()
+    await new Promise(resolve => setTimeout(resolve, 0))
+    const runtimeStore = usePluginRuntimeStore(pinia)
+
+    runtimeStore.reconciliation = 1
+    await waitFor(() => expect(metaReads).toBe(2))
+    runtimeStore.reconciliation = 2
+    await waitFor(() => expect(metaReads).toBe(3))
+    await waitFor(() => expect(screen.queryByText('插件摘要')).not.toBeInTheDocument())
+
+    staleMeta.resolve([{ id: 'plugin-a', key: 'summary', name: '过期插件摘要' }])
+    await new Promise(resolve => setTimeout(resolve, 0))
+    expect(screen.queryByText('过期插件摘要')).not.toBeInTheDocument()
+    expect(detailReads).toBe(1)
+  })
+
+  it('replaces a plugin refresh timer and clears the active timer on unmount', async () => {
+    const pluginDashboardId = 'plugin-a:summary'
+    const enabled = { ...enabledOnlySystemInfo, [pluginDashboardId]: true, systemInfo: false }
+    localStorage.setItem(
+      'MP_DASHBOARD_GRID_LAYOUT',
+      JSON.stringify({ enabled, items: { [pluginDashboardId]: { x: 0, y: 0, w: 6, h: 8 } }, updatedAt: 10 }),
+    )
+    const setTimeoutSpy = vi.spyOn(globalThis, 'setTimeout')
+    const clearTimeoutSpy = vi.spyOn(globalThis, 'clearTimeout')
+    let detailReads = 0
+    mocks.apiGet.mockImplementation((url: string) => {
+      if (url === '/user/config/DashboardOrder' || url === '/user/config/DashboardGridLayout') return { data: {} }
+      if (url === '/plugin/dashboard/meta') return [{ id: 'plugin-a', key: 'summary', name: '插件摘要' }]
+      if (url === '/plugin/dashboard/plugin-a/summary') {
+        detailReads += 1
+        return {
+          attrs: { refresh: 30 },
+          cols: { cols: 12 },
+          elements: [],
+          id: 'plugin-a',
+          key: 'summary',
+          name: '原始名称',
+          rows: 8,
+        }
+      }
+      throw new Error('Unexpected GET ' + url)
+    })
+
+    const rendered = await renderDashboard()
+    expect(await screen.findByText('插件摘要')).toBeInTheDocument()
+    await waitFor(() => expect(setTimeoutSpy.mock.calls.filter(([, delay]) => delay === 30_000)).toHaveLength(1))
+    const firstTimerCallIndex = setTimeoutSpy.mock.calls.findIndex(([, delay]) => delay === 30_000)
+    const firstTimer = setTimeoutSpy.mock.results[firstTimerCallIndex].value
+    const firstTimerCallback = setTimeoutSpy.mock.calls[firstTimerCallIndex][0]
+    if (typeof firstTimerCallback !== 'function') throw new Error('Expected a plugin refresh callback')
+
+    firstTimerCallback()
+
+    await waitFor(() => expect(detailReads).toBe(2))
+    await waitFor(() => expect(setTimeoutSpy.mock.calls.filter(([, delay]) => delay === 30_000)).toHaveLength(2))
+    const pluginTimerCalls = setTimeoutSpy.mock.calls
+      .map(([, delay], index) => ({ delay, index }))
+      .filter(call => call.delay === 30_000)
+    const secondTimer = setTimeoutSpy.mock.results[pluginTimerCalls[1].index].value
+    expect(clearTimeoutSpy.mock.calls.some(([timer]) => toRaw(timer) === firstTimer)).toBe(true)
+
+    rendered.unmount()
+
+    expect(clearTimeoutSpy.mock.calls.some(([timer]) => toRaw(timer) === secondTimer)).toBe(true)
+  })
+
+  it('keeps the accepted plugin refresh chain across transient metadata and detail failures', async () => {
+    const pluginDashboardId = 'plugin-a:summary'
+    const enabled = { ...enabledOnlySystemInfo, [pluginDashboardId]: true, systemInfo: false }
+    localStorage.setItem(
+      'MP_DASHBOARD_GRID_LAYOUT',
+      JSON.stringify({ enabled, items: { [pluginDashboardId]: { x: 0, y: 0, w: 6, h: 8 } }, updatedAt: 10 }),
+    )
+    const setTimeoutSpy = vi.spyOn(globalThis, 'setTimeout')
+    vi.spyOn(console, 'error').mockImplementation(() => {})
+    const staleDetail = deferred<Record<string, unknown>>()
+    let detailReads = 0
+    let metaReads = 0
+    mocks.apiGet.mockImplementation((url: string) => {
+      if (url === '/user/config/DashboardOrder' || url === '/user/config/DashboardGridLayout') return { data: {} }
+      if (url === '/plugin/dashboard/meta') {
+        metaReads += 1
+        if (metaReads === 2) return Promise.reject(new Error('temporary metadata failure'))
+        return [{ id: 'plugin-a', key: 'summary', name: '插件摘要' }]
+      }
+      if (url === '/plugin/dashboard/plugin-a/summary') {
+        detailReads += 1
+        if (detailReads === 3) return staleDetail.promise
+        if (detailReads === 4) return Promise.reject(new Error('temporary detail failure'))
+        return {
+          attrs: { refresh: 30 },
+          cols: { cols: 12 },
+          elements: [],
+          id: 'plugin-a',
+          key: 'summary',
+          name: '原始名称',
+          rows: 8,
+        }
+      }
+      throw new Error('Unexpected GET ' + url)
+    })
+
+    const { pinia } = await renderDashboard()
+    expect(await screen.findByText('插件摘要')).toBeInTheDocument()
+    await new Promise(resolve => setTimeout(resolve, 0))
+    const runtimeStore = usePluginRuntimeStore(pinia)
+    const pluginTimerCallbacks = () =>
+      setTimeoutSpy.mock.calls.filter(([, delay]) => delay === 30_000).map(([callback]) => callback as () => void)
+
+    runtimeStore.reconciliation += 1
+    await waitFor(() => expect(metaReads).toBe(2))
+    pluginTimerCallbacks()[0]()
+    await waitFor(() => expect(detailReads).toBe(2))
+    await waitFor(() => expect(pluginTimerCallbacks()).toHaveLength(2))
+
+    pluginTimerCallbacks()[1]()
+    await waitFor(() => expect(detailReads).toBe(3))
+    runtimeStore.reconciliation += 1
+    await waitFor(() => expect(detailReads).toBe(4))
+    staleDetail.resolve({
+      attrs: { refresh: 30 },
+      cols: { cols: 12 },
+      elements: [],
+      id: 'plugin-a',
+      key: 'summary',
+      name: '过期详情',
+      rows: 8,
+    })
+
+    await waitFor(() => expect(pluginTimerCallbacks()).toHaveLength(3))
+  })
+
+  it('hides discovery content and dashboard controls without their permissions', async () => {
+    mocks.apiGet.mockImplementation((url: string) => {
+      if (
+        url === '/user/config/DashboardOrder' ||
+        url === '/user/config/DashboardGridLayout' ||
+        url === '/user/config/Dashboard'
+      ) {
+        return { data: {} }
+      }
+      if (url === '/plugin/dashboard/meta') return []
+      throw new Error('Unexpected GET ' + url)
+    })
+
+    const { container } = await renderDashboard({
+      permissions: { admin: false, discovery: false },
+      superUser: false,
+    })
+
+    expect(container.querySelector('[data-dashboard-id="mediaRecommend"]')).not.toBeInTheDocument()
+    expect(document.querySelector('.compact-fab-stack')).not.toBeInTheDocument()
+  })
+
   it('disables automatic grid transitions only while browsing with the glass theme', async () => {
     mocks.themeName.value = 'glass'
     mocks.apiGet.mockImplementation((url: string) => {
diff --git a/src/pages/dashboard.vue b/src/pages/dashboard.vue
index 4499fc33..6081296d 100644
--- a/src/pages/dashboard.vue
+++ b/src/pages/dashboard.vue
@@ -97,6 +97,15 @@ interface DashboardGridItem {
   widget: GridStackWidget
 }
 
+interface PluginDashboardMetaItem {
+  /** 插件稳定 ID。 */
+  id: string
+  /** 多仪表板入口键；空值表示插件唯一仪表板。 */
+  key?: string
+  /** 插件声明的仪表板显示名称。 */
+  name?: string
+}
+
 // 是否处于仪表板布局编辑模式
 const isLayoutEditing = ref(false)
 
@@ -309,11 +318,15 @@ const dashboardConfigs = ref<DashboardItem[]>([
 ])
 
 // 插件的仪表板元信息
-const pluginDashboardMeta = ref<any[]>([])
+const pluginDashboardMeta = ref<PluginDashboardMetaItem[]>([])
 
 // 插件仪表板的刷新状态
 const pluginDashboardRefreshStatus = ref<{ [key: string]: boolean }>({})
 
+// 请求序号只负责丢弃乱序响应；已接受代际用于约束详情响应不得跨运行态恢复旧卡片。
+let latestPluginDashboardMetaRequestId = 0
+let acceptedPluginDashboardMetaGeneration = 0
+
 // 当前启用且可渲染的仪表板 Grid 项。
 const dashboardGridItems = computed<DashboardGridItem[]>(() =>
   dashboardConfigs.value
@@ -1091,23 +1104,49 @@ async function saveDashboardConfig(payload?: { enabled?: Record<string, boolean>
 }
 
 // 构造插件仪表板主ID
-function buildPluginDashboardId(plugin_id: string, key: string) {
+function buildPluginDashboardId(plugin_id: string, key?: string) {
   if (!key) return plugin_id
   return plugin_id + ':' + key
 }
 
 // 调用API获取所有插件的仪表板元信息
 async function getPluginDashboardMeta() {
+  const requestId = ++latestPluginDashboardMetaRequestId
+
   try {
-    pluginDashboardMeta.value = (await api.get('/plugin/dashboard/meta')) ?? []
+    const nextPluginDashboardMeta: PluginDashboardMetaItem[] = (await api.get('/plugin/dashboard/meta')) ?? []
+    if (requestId !== latestPluginDashboardMetaRequestId) return
+
+    const metaGeneration = ++acceptedPluginDashboardMetaGeneration
+
+    const nextPluginDashboardIds = new Set(
+      nextPluginDashboardMeta.map(item => buildPluginDashboardId(item.id, item.key)),
+    )
+    const removedPluginDashboardIds = pluginDashboardMeta.value
+      .map(item => buildPluginDashboardId(item.id, item.key))
+      .filter(id => !nextPluginDashboardIds.has(id))
+
+    pluginDashboardMeta.value = nextPluginDashboardMeta
+    if (removedPluginDashboardIds.length > 0) {
+      const removedIdSet = new Set(removedPluginDashboardIds)
+      removedPluginDashboardIds.forEach(pluginDashboardId => {
+        clearPluginDashboardTimer(pluginDashboardId)
+        delete pluginDashboardRefreshStatus.value[pluginDashboardId]
+      })
+      // 运行态集合不再包含这些插件时移除渲染配置；用户保存的启用与布局偏好继续保留。
+      dashboardConfigs.value = dashboardConfigs.value.filter(
+        item => !removedIdSet.has(buildPluginDashboardId(item.id, item.key)),
+      )
+    }
+
     if (!isNullOrEmptyObject(pluginDashboardMeta.value)) {
       // 下载插件仪表板配置
       await Promise.all(
-        pluginDashboardMeta.value.map(async (pluginDashboard: { id: string; key: string }) => {
+        pluginDashboardMeta.value.map(async pluginDashboard => {
           const pluginDashboardId = buildPluginDashboardId(pluginDashboard.id, pluginDashboard.key)
           // 初始化插件仪表板的刷新状态
           pluginDashboardRefreshStatus.value[pluginDashboardId] = true
-          await getPluginDashboard(pluginDashboard.id, pluginDashboard.key)
+          await getPluginDashboard(pluginDashboard.id, pluginDashboard.key ?? '', metaGeneration)
         }),
       )
     }
@@ -1136,34 +1175,46 @@ function schedulePluginDashboardRefresh(item: DashboardItem) {
     isRequest.value
   ) {
     refreshTimers.value[pluginDashboardId] = setTimeout(() => {
-      void getPluginDashboard(item.id, item.key)
+      void getPluginDashboard(item.id, item.key, acceptedPluginDashboardMetaGeneration)
     }, item.attrs.refresh * 1000)
   }
 }
 
+// 并发刷新失败或过期时，沿用当前已渲染配置保证仍有且仅有一个后续刷新任务。
+function ensurePluginDashboardRefresh(id: string, key: string) {
+  const isCurrentPluginDashboard = pluginDashboardMeta.value.some(item => item.id === id && (item.key ?? '') === key)
+  if (!isCurrentPluginDashboard) return
+
+  const currentDashboard = dashboardConfigs.value.find(item => item.id === id && item.key === key)
+  if (currentDashboard) schedulePluginDashboardRefresh(currentDashboard)
+}
+
 // 重新拉取当前启用的插件仪表板数据。
 function refreshEnabledPluginDashboards() {
   if (isNullOrEmptyObject(pluginDashboardMeta.value)) return
 
-  pluginDashboardMeta.value.forEach((pluginDashboard: { id: string; key: string }) => {
+  pluginDashboardMeta.value.forEach(pluginDashboard => {
     const pluginDashboardId = buildPluginDashboardId(pluginDashboard.id, pluginDashboard.key)
     if (enableConfig.value[pluginDashboardId]) {
-      void getPluginDashboard(pluginDashboard.id, pluginDashboard.key)
+      void getPluginDashboard(pluginDashboard.id, pluginDashboard.key ?? '', acceptedPluginDashboardMetaGeneration)
     }
   })
 }
 
 // 获取一个插件的仪表板配置项
-async function getPluginDashboard(id: string, key: string) {
+async function getPluginDashboard(id: string, key: string, metaGeneration: number) {
+  let refreshScheduled = false
+
   try {
     const url = key ? `/plugin/dashboard/${id}/${key}` : `/plugin/dashboard/${id}`
     const res: DashboardItem | undefined = await api.get(url)
     if (res) {
+      if (metaGeneration !== acceptedPluginDashboardMetaGeneration) return
+
       // 名称替换为元信息的名称
-      const meta = pluginDashboardMeta.value.find(
-        (item: { id: string; key: string }) => item.id === id && item.key === key,
-      )
-      if (meta) res.name = meta.name
+      const meta = pluginDashboardMeta.value.find(item => item.id === id && (item.key ?? '') === key)
+      if (!meta) return
+      if (meta.name) res.name = meta.name
       // 保存到仪表板配置中，如果已经存在则替换
       const index = dashboardConfigs.value.findIndex(
         (item: { id: string; key: string }) => item.id === id && item.key === key,
@@ -1177,9 +1228,12 @@ async function getPluginDashboard(id: string, key: string) {
       }
       // 定时刷新
       schedulePluginDashboardRefresh(res)
+      refreshScheduled = true
     }
   } catch (error) {
     console.error(error)
+  } finally {
+    if (!refreshScheduled) ensurePluginDashboardRefresh(id, key)
   }
 }
 
diff --git a/vite.config.ts b/vite.config.ts
index 627fef13..7a19aac0 100644
--- a/vite.config.ts
+++ b/vite.config.ts
@@ -343,6 +343,7 @@ export default defineConfig(({ command, mode, isPreview }) => ({
         'src/views/subscribe/SubscribeShareView.vue',
         'src/composables/useMediaSubscribe.ts',
         'src/composables/useLlmProviderDirectory.ts',
+        'src/composables/useDashboardMediaGridCapacity.ts',
         'src/composables/useOfflineStatus.ts',
         'src/composables/useScheduleProgress.ts',
         'src/composables/useServerConnectionProbe.ts',
@@ -436,6 +437,12 @@ export default defineConfig(({ command, mode, isPreview }) => ({
           lines: 90,
           statements: 90,
         },
+        'src/composables/useDashboardMediaGridCapacity.ts': {
+          branches: 85,
+          functions: 90,
+          lines: 90,
+          statements: 90,
+        },
         'src/composables/useOfflineStatus.ts': {
           branches: 85,
           functions: 90,