diff --git a/web/src/views/admin/LLMEndpointsView.vue b/web/src/views/admin/LLMEndpointsView.vue
new file mode 100644
index 0000000..761c021
--- /dev/null
+++ b/web/src/views/admin/LLMEndpointsView.vue
@@ -0,0 +1,228 @@
+<template>
+  <AppShell>
+    <div class="space-y-4">
+      <div class="flex justify-between items-center">
+        <h2 class="text-lg font-semibold">
+          LLM Endpoints
+        </h2>
+        <NButton
+          type="primary"
+          @click="openCreate"
+        >
+          + 新增
+        </NButton>
+      </div>
+      <NDataTable
+        :data="endpoints"
+        :columns="columns"
+        :row-key="rowKey"
+      />
+      <NModal
+        v-model:show="showForm"
+        preset="card"
+        title="LLM Endpoint"
+        style="width: 520px"
+      >
+        <NForm>
+          <NFormItem label="Provider">
+            <NSelect
+              v-model:value="form.provider"
+              :options="providerOpts"
+              :disabled="!!editing"
+              @update:value="onProviderChange"
+            />
+          </NFormItem>
+          <NFormItem label="显示名">
+            <NInput v-model:value="form.display_name" />
+          </NFormItem>
+          <NFormItem label="Base URL">
+            <NInput v-model:value="form.base_url" />
+          </NFormItem>
+          <NFormItem :label="editing ? 'API Key（留空则不修改）' : 'API Key'">
+            <NInput
+              v-model:value="form.api_key"
+              type="password"
+              show-password-on="click"
+            />
+          </NFormItem>
+        </NForm>
+        <template #footer>
+          <div class="flex justify-end gap-2">
+            <NButton @click="showForm = false">
+              取消
+            </NButton>
+            <NButton
+              type="primary"
+              :loading="saving"
+              @click="save"
+            >
+              保存
+            </NButton>
+          </div>
+        </template>
+      </NModal>
+    </div>
+  </AppShell>
+</template>
+
+<script setup lang="ts">
+import { h, onMounted, ref } from 'vue'
+import {
+  NButton,
+  NDataTable,
+  NForm,
+  NFormItem,
+  NInput,
+  NModal,
+  NSelect,
+  useDialog,
+  useMessage,
+} from 'naive-ui'
+import type { DataTableColumns } from 'naive-ui'
+
+import AppShell from '@/layouts/AppShell.vue'
+import {
+  llmAdminApi,
+  type LLMEndpoint,
+  type LLMProvider,
+} from '@/api/llmAdmin'
+
+const endpoints = ref<LLMEndpoint[]>([])
+const showForm = ref(false)
+const editing = ref<LLMEndpoint | null>(null)
+const form = ref<{
+  provider: LLMProvider
+  display_name: string
+  base_url: string
+  api_key: string
+}>({
+  provider: 'anthropic',
+  display_name: '',
+  base_url: '',
+  api_key: '',
+})
+const saving = ref(false)
+const msg = useMessage()
+const dlg = useDialog()
+
+const providerOpts: { label: string; value: LLMProvider }[] = [
+  { label: 'Anthropic', value: 'anthropic' },
+  { label: 'OpenAI / Compatible', value: 'openai' },
+  { label: 'Gemini', value: 'gemini' },
+]
+
+const defaultBaseURL: Record<LLMProvider, string> = {
+  anthropic: 'https://api.anthropic.com',
+  openai: 'https://api.openai.com/v1',
+  gemini: 'https://generativelanguage.googleapis.com/v1beta',
+}
+
+const columns: DataTableColumns<LLMEndpoint> = [
+  { title: '显示名', key: 'display_name' },
+  { title: 'Provider', key: 'provider' },
+  { title: 'Base URL', key: 'base_url' },
+  {
+    title: '操作',
+    key: 'actions',
+    render: (row) =>
+      h('div', { class: 'flex gap-1' }, [
+        h(
+          NButton,
+          { size: 'small', onClick: () => testEndpoint(row.id) },
+          { default: () => '测试' },
+        ),
+        h(
+          NButton,
+          { size: 'small', onClick: () => openEdit(row) },
+          { default: () => '编辑' },
+        ),
+        h(
+          NButton,
+          { size: 'small', type: 'error', onClick: () => del(row) },
+          { default: () => '删除' },
+        ),
+      ]),
+  },
+]
+
+const rowKey = (row: LLMEndpoint) => row.id
+
+onMounted(reload)
+
+async function reload() {
+  endpoints.value = await llmAdminApi.listEndpoints()
+}
+
+function openCreate() {
+  editing.value = null
+  form.value = {
+    provider: 'anthropic',
+    display_name: '',
+    base_url: defaultBaseURL.anthropic,
+    api_key: '',
+  }
+  showForm.value = true
+}
+
+function openEdit(ep: LLMEndpoint) {
+  editing.value = ep
+  form.value = {
+    provider: ep.provider,
+    display_name: ep.display_name,
+    base_url: ep.base_url,
+    api_key: '',
+  }
+  showForm.value = true
+}
+
+function onProviderChange(v: LLMProvider) {
+  form.value.base_url = defaultBaseURL[v]
+}
+
+async function save() {
+  saving.value = true
+  try {
+    if (editing.value) {
+      await llmAdminApi.updateEndpoint(editing.value.id, {
+        display_name: form.value.display_name,
+        base_url: form.value.base_url,
+        api_key: form.value.api_key || undefined,
+      })
+    } else {
+      await llmAdminApi.createEndpoint({
+        provider: form.value.provider,
+        display_name: form.value.display_name,
+        base_url: form.value.base_url,
+        api_key: form.value.api_key,
+      })
+    }
+    showForm.value = false
+    await reload()
+  } catch (e) {
+    msg.error(e instanceof Error ? e.message : String(e))
+  } finally {
+    saving.value = false
+  }
+}
+
+async function testEndpoint(id: string) {
+  try {
+    await llmAdminApi.testEndpoint(id)
+    msg.success('连通正常')
+  } catch (e) {
+    msg.error(e instanceof Error ? e.message : String(e))
+  }
+}
+
+function del(ep: LLMEndpoint) {
+  dlg.warning({
+    title: `删除 ${ep.display_name}？`,
+    positiveText: '删除',
+    negativeText: '取消',
+    onPositiveClick: async () => {
+      await llmAdminApi.deleteEndpoint(ep.id)
+      await reload()
+    },
+  })
+}
+</script>
diff --git a/web/src/views/admin/LLMModelsView.vue b/web/src/views/admin/LLMModelsView.vue
new file mode 100644
index 0000000..bc5a8c1
--- /dev/null
+++ b/web/src/views/admin/LLMModelsView.vue
@@ -0,0 +1,370 @@
+<template>
+  <AppShell>
+    <div class="space-y-4">
+      <div class="flex justify-between items-center">
+        <h2 class="text-lg font-semibold">
+          LLM Models
+        </h2>
+        <NButton
+          type="primary"
+          @click="openCreate"
+        >
+          + 新增
+        </NButton>
+      </div>
+      <NDataTable
+        :data="models"
+        :columns="columns"
+        :row-key="rowKey"
+      />
+      <NModal
+        v-model:show="showForm"
+        preset="card"
+        title="LLM Model"
+        style="width: 720px"
+      >
+        <NForm>
+          <NFormItem label="Endpoint">
+            <NSelect
+              v-model:value="form.endpoint_id"
+              :options="endpointOpts"
+              :disabled="!!editing"
+            />
+          </NFormItem>
+          <NFormItem label="Model ID（provider 侧）">
+            <NInput
+              v-model:value="form.model_id"
+              :disabled="!!editing"
+            />
+          </NFormItem>
+          <NFormItem label="显示名">
+            <NInput v-model:value="form.display_name" />
+          </NFormItem>
+          <NFormItem label="能力">
+            <div class="flex flex-wrap gap-3">
+              <NCheckbox v-model:checked="form.capabilities.image">
+                Image
+              </NCheckbox>
+              <NCheckbox v-model:checked="form.capabilities.pdf">
+                PDF
+              </NCheckbox>
+              <NCheckbox v-model:checked="form.capabilities.audio">
+                Audio
+              </NCheckbox>
+              <NCheckbox v-model:checked="form.capabilities.reasoning">
+                Reasoning
+              </NCheckbox>
+              <NCheckbox v-model:checked="form.capabilities.tools">
+                Tools
+              </NCheckbox>
+            </div>
+          </NFormItem>
+          <div class="grid grid-cols-2 gap-3">
+            <NFormItem label="Context Window">
+              <NInputNumber
+                v-model:value="form.context_window"
+                :min="1"
+              />
+            </NFormItem>
+            <NFormItem label="Max Output Tokens">
+              <NInputNumber
+                v-model:value="form.max_output_tokens"
+                :min="1"
+              />
+            </NFormItem>
+            <NFormItem label="Prompt Price (USD / 1M)">
+              <NInputNumber
+                v-model:value="form.prompt_price_per_million_usd"
+                :min="0"
+                :step="0.01"
+              />
+            </NFormItem>
+            <NFormItem label="Completion Price (USD / 1M)">
+              <NInputNumber
+                v-model:value="form.completion_price_per_million_usd"
+                :min="0"
+                :step="0.01"
+              />
+            </NFormItem>
+            <NFormItem label="Thinking Price (USD / 1M)">
+              <NInputNumber
+                v-model:value="form.thinking_price_per_million_usd"
+                :min="0"
+                :step="0.01"
+              />
+            </NFormItem>
+            <NFormItem label="Sort Order">
+              <NInputNumber
+                v-model:value="form.sort_order"
+                :min="0"
+              />
+            </NFormItem>
+          </div>
+          <div class="flex gap-4 mt-2">
+            <NCheckbox v-model:checked="form.enabled">
+              Enabled
+            </NCheckbox>
+            <NCheckbox v-model:checked="form.is_title_generator">
+              Title Generator
+            </NCheckbox>
+          </div>
+        </NForm>
+        <template #footer>
+          <div class="flex justify-end gap-2">
+            <NButton @click="showForm = false">
+              取消
+            </NButton>
+            <NButton
+              type="primary"
+              :loading="saving"
+              @click="save"
+            >
+              保存
+            </NButton>
+          </div>
+        </template>
+      </NModal>
+    </div>
+  </AppShell>
+</template>
+
+<script setup lang="ts">
+import { computed, h, onMounted, ref } from 'vue'
+import {
+  NButton,
+  NCheckbox,
+  NDataTable,
+  NForm,
+  NFormItem,
+  NInput,
+  NInputNumber,
+  NModal,
+  NSelect,
+  NTag,
+  useDialog,
+  useMessage,
+} from 'naive-ui'
+import type { DataTableColumns } from 'naive-ui'
+
+import AppShell from '@/layouts/AppShell.vue'
+import {
+  llmAdminApi,
+  type CreateModelBody,
+  type LLMEndpoint,
+  type LLMModel,
+  type ModelCapabilities,
+} from '@/api/llmAdmin'
+
+const models = ref<LLMModel[]>([])
+const endpoints = ref<LLMEndpoint[]>([])
+const showForm = ref(false)
+const editing = ref<LLMModel | null>(null)
+const saving = ref(false)
+const msg = useMessage()
+const dlg = useDialog()
+
+interface ModelForm {
+  endpoint_id: string
+  model_id: string
+  display_name: string
+  capabilities: ModelCapabilities
+  context_window: number
+  max_output_tokens: number
+  prompt_price_per_million_usd: number
+  completion_price_per_million_usd: number
+  thinking_price_per_million_usd: number
+  is_title_generator: boolean
+  enabled: boolean
+  sort_order: number
+}
+
+function blankForm(): ModelForm {
+  return {
+    endpoint_id: '',
+    model_id: '',
+    display_name: '',
+    capabilities: {
+      image: false,
+      pdf: false,
+      audio: false,
+      reasoning: false,
+      tools: false,
+    },
+    context_window: 200000,
+    max_output_tokens: 8192,
+    prompt_price_per_million_usd: 0,
+    completion_price_per_million_usd: 0,
+    thinking_price_per_million_usd: 0,
+    is_title_generator: false,
+    enabled: true,
+    sort_order: 0,
+  }
+}
+
+const form = ref<ModelForm>(blankForm())
+
+const endpointOpts = computed(() =>
+  endpoints.value.map((e) => ({
+    label: `${e.display_name} (${e.provider})`,
+    value: e.id,
+  })),
+)
+
+const endpointName = (id: string) =>
+  endpoints.value.find((e) => e.id === id)?.display_name ?? id
+
+const capLabel = (c: ModelCapabilities) => {
+  const parts: string[] = []
+  if (c.image) parts.push('I')
+  if (c.pdf) parts.push('P')
+  if (c.audio) parts.push('A')
+  if (c.reasoning) parts.push('R')
+  if (c.tools) parts.push('T')
+  return parts.join('') || '-'
+}
+
+const columns: DataTableColumns<LLMModel> = [
+  { title: '显示名', key: 'display_name' },
+  { title: 'Model ID', key: 'model_id' },
+  {
+    title: 'Endpoint',
+    key: 'endpoint_id',
+    render: (row) => endpointName(row.endpoint_id),
+  },
+  {
+    title: '能力',
+    key: 'capabilities',
+    render: (row) => capLabel(row.capabilities),
+  },
+  { title: 'Ctx', key: 'context_window' },
+  {
+    title: '状态',
+    key: 'enabled',
+    render: (row) =>
+      h(
+        NTag,
+        { type: row.enabled ? 'success' : 'default', size: 'small' },
+        { default: () => (row.enabled ? '启用' : '停用') },
+      ),
+  },
+  {
+    title: 'Title?',
+    key: 'is_title_generator',
+    render: (row) => (row.is_title_generator ? '✓' : ''),
+  },
+  {
+    title: '操作',
+    key: 'actions',
+    render: (row) =>
+      h('div', { class: 'flex gap-1' }, [
+        h(
+          NButton,
+          { size: 'small', onClick: () => openEdit(row) },
+          { default: () => '编辑' },
+        ),
+        h(
+          NButton,
+          { size: 'small', type: 'error', onClick: () => del(row) },
+          { default: () => '删除' },
+        ),
+      ]),
+  },
+]
+
+const rowKey = (row: LLMModel) => row.id
+
+onMounted(async () => {
+  endpoints.value = await llmAdminApi.listEndpoints()
+  await reload()
+})
+
+async function reload() {
+  models.value = await llmAdminApi.listModels(false)
+}
+
+function openCreate() {
+  editing.value = null
+  form.value = blankForm()
+  if (endpoints.value.length > 0) {
+    form.value.endpoint_id = endpoints.value[0].id
+  }
+  showForm.value = true
+}
+
+function openEdit(m: LLMModel) {
+  editing.value = m
+  form.value = {
+    endpoint_id: m.endpoint_id,
+    model_id: m.model_id,
+    display_name: m.display_name,
+    capabilities: { ...m.capabilities },
+    context_window: m.context_window,
+    max_output_tokens: m.max_output_tokens,
+    prompt_price_per_million_usd: m.prompt_price_per_million_usd,
+    completion_price_per_million_usd: m.completion_price_per_million_usd,
+    thinking_price_per_million_usd: m.thinking_price_per_million_usd,
+    is_title_generator: m.is_title_generator,
+    enabled: m.enabled,
+    sort_order: m.sort_order,
+  }
+  showForm.value = true
+}
+
+async function save() {
+  saving.value = true
+  try {
+    if (editing.value) {
+      await llmAdminApi.updateModel(editing.value.id, {
+        display_name: form.value.display_name,
+        capabilities: form.value.capabilities,
+        context_window: form.value.context_window,
+        max_output_tokens: form.value.max_output_tokens,
+        prompt_price_per_million_usd: form.value.prompt_price_per_million_usd,
+        completion_price_per_million_usd:
+          form.value.completion_price_per_million_usd,
+        thinking_price_per_million_usd:
+          form.value.thinking_price_per_million_usd,
+        is_title_generator: form.value.is_title_generator,
+        enabled: form.value.enabled,
+        sort_order: form.value.sort_order,
+      })
+    } else {
+      const body: CreateModelBody = {
+        endpoint_id: form.value.endpoint_id,
+        model_id: form.value.model_id,
+        display_name: form.value.display_name,
+        capabilities: form.value.capabilities,
+        context_window: form.value.context_window,
+        max_output_tokens: form.value.max_output_tokens,
+        prompt_price_per_million_usd: form.value.prompt_price_per_million_usd,
+        completion_price_per_million_usd:
+          form.value.completion_price_per_million_usd,
+        thinking_price_per_million_usd:
+          form.value.thinking_price_per_million_usd,
+        is_title_generator: form.value.is_title_generator,
+        enabled: form.value.enabled,
+        sort_order: form.value.sort_order,
+      }
+      await llmAdminApi.createModel(body)
+    }
+    showForm.value = false
+    await reload()
+  } catch (e) {
+    msg.error(e instanceof Error ? e.message : String(e))
+  } finally {
+    saving.value = false
+  }
+}
+
+function del(m: LLMModel) {
+  dlg.warning({
+    title: `删除 ${m.display_name}？`,
+    positiveText: '删除',
+    negativeText: '取消',
+    onPositiveClick: async () => {
+      await llmAdminApi.deleteModel(m.id)
+      await reload()
+    },
+  })
+}
+</script>
diff --git a/web/src/views/admin/UsageView.vue b/web/src/views/admin/UsageView.vue
new file mode 100644
index 0000000..e44e133
--- /dev/null
+++ b/web/src/views/admin/UsageView.vue
@@ -0,0 +1,117 @@
+<template>
+  <AppShell>
+    <div class="space-y-4">
+      <h2 class="text-lg font-semibold">
+        {{ adminMode ? '用量（全局）' : '我的用量' }}
+      </h2>
+      <div class="flex gap-2 items-center flex-wrap">
+        <NDatePicker
+          v-model:value="range"
+          type="daterange"
+          clearable
+        />
+        <NSelect
+          v-if="adminMode"
+          v-model:value="groupBy"
+          :options="groupOpts"
+          style="width: 160px"
+        />
+      </div>
+      <NDataTable
+        :data="rows"
+        :columns="columns"
+      />
+    </div>
+  </AppShell>
+</template>
+
+<script setup lang="ts">
+import { computed, onMounted, ref, watch } from 'vue'
+import { NDataTable, NDatePicker, NSelect } from 'naive-ui'
+import type { DataTableColumns } from 'naive-ui'
+
+import AppShell from '@/layouts/AppShell.vue'
+import {
+  llmAdminApi,
+  type AdminUsageGroupBy,
+  type AdminUsageItem,
+} from '@/api/llmAdmin'
+import { chatApi, type UsageDailyItem } from '@/api/chat'
+
+interface Props {
+  adminMode?: boolean
+}
+const props = withDefaults(defineProps<Props>(), { adminMode: false })
+
+const now = Date.now()
+const monthAgo = now - 30 * 86400_000
+const range = ref<[number, number] | null>([monthAgo, now])
+const groupBy = ref<AdminUsageGroupBy>('day')
+const groupOpts: { label: string; value: AdminUsageGroupBy }[] = [
+  { label: '按用户', value: 'user' },
+  { label: '按模型', value: 'model' },
+  { label: '按天', value: 'day' },
+]
+
+type Row = AdminUsageItem | UsageDailyItem
+const rows = ref<Row[]>([])
+
+const columns = computed<DataTableColumns<Row>>(() => {
+  const tokenCols: DataTableColumns<Row> = [
+    { title: 'Prompt', key: 'prompt_tokens' },
+    { title: 'Completion', key: 'completion_tokens' },
+    { title: 'Thinking', key: 'thinking_tokens' },
+    {
+      title: 'Cost USD',
+      key: 'cost_usd',
+      render: (r) => Number(r.cost_usd ?? 0).toFixed(4),
+    },
+  ]
+  if (props.adminMode) {
+    const labelCol: DataTableColumns<Row>[number] = {
+      title:
+        groupBy.value === 'user'
+          ? '用户'
+          : groupBy.value === 'model'
+            ? '模型'
+            : '日期',
+      key: 'key',
+      render: (r) => {
+        const k = (r as AdminUsageItem).key
+        if (groupBy.value === 'day') {
+          return new Date(k).toLocaleDateString('zh-CN')
+        }
+        return k
+      },
+    }
+    return [labelCol, ...tokenCols]
+  }
+  return [
+    {
+      title: '日期',
+      key: 'day',
+      render: (r) => new Date((r as UsageDailyItem).day).toLocaleDateString('zh-CN'),
+    },
+    ...tokenCols,
+  ]
+})
+
+async function reload() {
+  const r = range.value
+  if (!r) {
+    rows.value = []
+    return
+  }
+  const from = new Date(r[0]).toISOString()
+  const to = new Date(r[1]).toISOString()
+  if (props.adminMode) {
+    const data = await llmAdminApi.adminUsage(from, to, groupBy.value)
+    rows.value = data.items
+  } else {
+    rows.value = await chatApi.myDailyUsage(from, to)
+  }
+}
+
+onMounted(reload)
+watch([range, groupBy], reload)
+</script>