diff --git a/.env.example b/.env.example
new file mode 100644
index 0000000..4d9f502
--- /dev/null
+++ b/.env.example
@@ -0,0 +1,13 @@
+# ============================================
+# 知习 Admin 前端 — 环境变量
+# ============================================
+# 复制此文件为 .env 用于本地开发
+#   cp .env.example .env
+#
+# 生产环境：不需要配置，Nginx 自动代理 API 请求
+# ============================================
+
+# API 后端地址（仅本地开发使用）
+# - 本地开发：http://127.0.0.1:3000
+# - 连接远程 API：https://api.longde.cloud
+VITE_API_BASE_URL=http://127.0.0.1:3000
diff --git a/.env.production b/.env.production
new file mode 100644
index 0000000..e42cbc1
--- /dev/null
+++ b/.env.production
@@ -0,0 +1,9 @@
+# ============================================
+# 知习 Admin 前端 — 生产环境
+# ============================================
+# VITE_API_BASE_URL 不需要设置
+# 生产环境通过 Nginx 反向代理 API 请求
+# Nginx 配置: /etc/nginx/sites-enabled/admin
+#   部署路径: /opt/zhixi/admin/dist/
+#   API 代理: /admin-api/ → http://127.0.0.1:3000
+# ============================================
diff --git a/package-lock.json b/package-lock.json
index 4413e25..79f44e0 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -21,7 +21,8 @@
         "react-markdown": "^10.1.0",
         "react-router-dom": "^7.15.1",
         "react-syntax-highlighter": "^16.1.1",
-        "remark-gfm": "^4.0.1"
+        "remark-gfm": "^4.0.1",
+        "zustand": "^5.0.14"
       },
       "devDependencies": {
         "@eslint/js": "^10.0.1",
@@ -7075,6 +7076,35 @@
       "integrity": "sha512-N82ooyxVNm6h1riLCoyS9e3fuJ3AMG2zIZs2Gd1ATcSFjSA23Q0fzjjZeh0jbJvWVDZ0cJT8yaNNaaXHzueNjg==",
       "license": "0BSD"
     },
+    "node_modules/zustand": {
+      "version": "5.0.14",
+      "resolved": "https://registry.npmjs.org/zustand/-/zustand-5.0.14.tgz",
+      "integrity": "sha512-/8tAspM5LMPr28b3fwLYrtdj77ECpfZviaP75CMTnwO8ISyaE4GDIG/9rDDYq/cH9D2Xw2A2RXglLInmVBQB/g==",
+      "license": "MIT",
+      "engines": {
+        "node": ">=12.20.0"
+      },
+      "peerDependencies": {
+        "@types/react": ">=18.0.0",
+        "immer": ">=9.0.6",
+        "react": ">=18.0.0",
+        "use-sync-external-store": ">=1.2.0"
+      },
+      "peerDependenciesMeta": {
+        "@types/react": {
+          "optional": true
+        },
+        "immer": {
+          "optional": true
+        },
+        "react": {
+          "optional": true
+        },
+        "use-sync-external-store": {
+          "optional": true
+        }
+      }
+    },
     "node_modules/zwitch": {
       "version": "2.0.4",
       "resolved": "https://registry.npmmirror.com/zwitch/-/zwitch-2.0.4.tgz",
diff --git a/package.json b/package.json
index 44229e5..5875ada 100644
--- a/package.json
+++ b/package.json
@@ -23,7 +23,8 @@
     "react-markdown": "^10.1.0",
     "react-router-dom": "^7.15.1",
     "react-syntax-highlighter": "^16.1.1",
-    "remark-gfm": "^4.0.1"
+    "remark-gfm": "^4.0.1",
+    "zustand": "^5.0.14"
   },
   "devDependencies": {
     "@eslint/js": "^10.0.1",
diff --git a/src/api/ai-gateway.ts b/src/api/ai-gateway.ts
index 0a72446..0efc367 100644
--- a/src/api/ai-gateway.ts
+++ b/src/api/ai-gateway.ts
@@ -1,11 +1,14 @@
 import { api } from '@/lib/api-client'
+import type { AiRoute } from '@/types'
+
+export type CreateRouteDto = Omit<AiRoute, 'id' | 'createdAt'>
 
 export const aiGatewayAPI = {
   status() { return api.get('/admin-api/ai-gateway/status') },
   routes() { return api.get('/admin-api/ai-gateway/routes') },
   providers() { return api.get('/admin-api/ai-gateway/providers') },
   fallbackEvents() { return api.get('/admin-api/ai-gateway/fallback-events') },
-  createRoute(data: any) { return api.post('/admin-api/ai-gateway/routes', data) },
+  createRoute(data: CreateRouteDto) { return api.post('/admin-api/ai-gateway/routes', data) },
   deleteRoute(id: string) { return api.delete(`/admin-api/ai-gateway/routes/${id}`) },
   toggleProvider(name: string, enabled: boolean) { return api.put(`/admin-api/ai-gateway/providers/${name}`, { enabled }) },
 }
diff --git a/src/api/billing.ts b/src/api/billing.ts
index de5b5c8..a87687f 100644
--- a/src/api/billing.ts
+++ b/src/api/billing.ts
@@ -1,9 +1,7 @@
 import { api } from '@/lib/api-client'
+import type { BillingInfo } from '@/types'
 
-export interface BillingInfo {
-  name: string; model: string; balance: string; currency: string
-  status: 'ok' | 'unknown'; consoleUrl: string; note: string
-}
+export type { BillingInfo } from '@/types'
 
 export const billingAPI = {
   get() { return api.get<{ providers: BillingInfo[] }>('/admin-api/billing') },
diff --git a/src/api/compliance.ts b/src/api/compliance.ts
index ef47ddc..2c4aba3 100644
--- a/src/api/compliance.ts
+++ b/src/api/compliance.ts
@@ -1,14 +1,18 @@
 import { api } from '@/lib/api-client'
 
+export interface PrivacyDto { version: string; title: string; content: string; effectiveAt: string; published?: boolean }
+export interface AgreementDto { version: string; title: string; content: string; effectiveAt: string; published?: boolean }
+export interface FilingDto { type: string; title: string; description?: string; status?: string }
+
 export const complianceAPI = {
   privacyPolicies: () => api.get('/admin-api/compliance/privacy-policies'),
-  createPrivacy: (data: any) => api.post('/admin-api/compliance/privacy-policies', data),
-  updatePrivacy: (id: string, data: any) => api.patch(`/admin-api/compliance/privacy-policies/${id}`, data),
+  createPrivacy: (data: PrivacyDto) => api.post('/admin-api/compliance/privacy-policies', data),
+  updatePrivacy: (id: string, data: Partial<PrivacyDto>) => api.patch(`/admin-api/compliance/privacy-policies/${id}`, data),
   userAgreements: () => api.get('/admin-api/compliance/user-agreements'),
-  createAgreement: (data: any) => api.post('/admin-api/compliance/user-agreements', data),
-  updateAgreement: (id: string, data: any) => api.patch(`/admin-api/compliance/user-agreements/${id}`, data),
+  createAgreement: (data: AgreementDto) => api.post('/admin-api/compliance/user-agreements', data),
+  updateAgreement: (id: string, data: Partial<AgreementDto>) => api.patch(`/admin-api/compliance/user-agreements/${id}`, data),
   filings: () => api.get('/admin-api/compliance/filings'),
-  createFiling: (data: any) => api.post('/admin-api/compliance/filings', data),
+  createFiling: (data: FilingDto) => api.post('/admin-api/compliance/filings', data),
   deletionRequests: () => api.get('/admin-api/compliance/deletion-requests'),
   approveDeletion: (id: string) => api.post(`/admin-api/compliance/deletion-requests/${id}/approve`),
   exportRequests: () => api.get('/admin-api/compliance/export-requests'),
diff --git a/src/api/config.ts b/src/api/config.ts
index 2ae217d..e14f9de 100644
--- a/src/api/config.ts
+++ b/src/api/config.ts
@@ -1,11 +1,12 @@
 import { api } from '@/lib/api-client'
+import type { AppConfig, FeatureFlag, ConfigChangeLog } from '@/types'
 
 export const configAPI = {
-  get() { return api.get<{ configs: any[]; flags: any[] }>('/admin-api/config') },
+  get() { return api.get<{ configs: AppConfig[]; flags: FeatureFlag[] }>('/admin-api/config') },
   set(key: string, value: string) { return api.post('/admin-api/config', { key, value }) },
   update(key: string, value: string) { return api.patch(`/admin-api/config/${key}`, { value }) },
   remove(key: string) { return api.delete(`/admin-api/config/${key}`) },
   toggleFlag(name: string, enabled: boolean) { return api.post(`/admin-api/config/flags/${name}`, { enabled }) },
   setFlagWhitelist(name: string, whitelist: string) { return api.post(`/admin-api/config/flags/${name}`, { whitelist }) },
-  changeLog() { return api.get<any[]>('/admin-api/config/changelog') },
+  changeLog() { return api.get<ConfigChangeLog[]>('/admin-api/config/changelog') },
 }
diff --git a/src/api/content-safety.ts b/src/api/content-safety.ts
index f0f02cf..158fb4e 100644
--- a/src/api/content-safety.ts
+++ b/src/api/content-safety.ts
@@ -1,12 +1,17 @@
 import { api } from '@/lib/api-client'
 
+export interface AddWordDto { word: string; category?: string; riskLevel?: string }
+export interface HandleReportDto { action?: string; note?: string }
+export interface PenaltyDto { penalty: string }
+export interface SafetyQueryParams { page?: number; limit?: number; status?: string; type?: string }
+
 export const contentSafetyAPI = {
   words() { return api.get('/admin-api/content-safety/words') },
-  addWord(data: any) { return api.post('/admin-api/content-safety/words', data) },
+  addWord(data: AddWordDto) { return api.post('/admin-api/content-safety/words', data) },
   deleteWord(id: string) { return api.delete(`/admin-api/content-safety/words/${id}`) },
-  checks(params?: any) { return api.get('/admin-api/content-safety/checks', params) },
-  reports(params?: any) { return api.get('/admin-api/content-safety/reports', params) },
-  violations(params?: any) { return api.get('/admin-api/content-safety/violations', params) },
-  handleReport(id: string, data: any) { return api.post(`/admin-api/content-safety/reports/${id}/handle`, data) },
-  penaltyViolation(id: string, data: any) { return api.post(`/admin-api/content-safety/violations/${id}/penalty`, data) },
+  checks(params?: SafetyQueryParams) { return api.get('/admin-api/content-safety/checks', params) },
+  reports(params?: SafetyQueryParams) { return api.get('/admin-api/content-safety/reports', params) },
+  violations(params?: SafetyQueryParams) { return api.get('/admin-api/content-safety/violations', params) },
+  handleReport(id: string, data: HandleReportDto) { return api.post(`/admin-api/content-safety/reports/${id}/handle`, data) },
+  penaltyViolation(id: string, data: PenaltyDto) { return api.post(`/admin-api/content-safety/violations/${id}/penalty`, data) },
 }
diff --git a/src/api/conversations.ts b/src/api/conversations.ts
index 0c0747a..a752570 100644
--- a/src/api/conversations.ts
+++ b/src/api/conversations.ts
@@ -1,7 +1,7 @@
 import { api } from '@/lib/api-client'
+import type { Conversation, MessageRecord } from '@/types'
 
-export interface Conversation { id: string; title: string; [key: string]: any }
-export interface MessageRecord { id: string; content: string; role: string; [key: string]: any }
+export type { Conversation, MessageRecord } from '@/types'
 
 export const conversationsAPI = {
   list() { return api.get<Conversation[]>('/admin-api/conversations') },
diff --git a/src/api/costs.ts b/src/api/costs.ts
index 2626209..a990427 100644
--- a/src/api/costs.ts
+++ b/src/api/costs.ts
@@ -1,7 +1,7 @@
 import { api } from '@/lib/api-client'
+import type { CostItem, CostSummary } from '@/types'
 
-export interface CostItem { id: string; name: string; currency: string; amount: number; purchaseDate?: string; expiryDate?: string; [key: string]: any }
-export interface CostSummary { totalMonthly: number; totalYearly: number; totalOneTime: number; items: CostItem[]; byMonth: any[]; expiringSoon: any[] }
+export type { CostItem, CostSummary, CostByMonth } from '@/types'
 
 export const costsAPI = {
   summary() { return api.get<CostSummary>('/admin-api/costs/summary') },
diff --git a/src/api/events-queue.ts b/src/api/events-queue.ts
index c565721..fe796e1 100644
--- a/src/api/events-queue.ts
+++ b/src/api/events-queue.ts
@@ -1,8 +1,7 @@
 import { api } from '@/lib/api-client'
+import type { QueueInfo, FailedJob, JobDetail } from '@/types'
 
-export interface QueueInfo { name: string; waiting: number; active: number; failed: number; [key: string]: any }
-export interface FailedJob { id: string; name: string; failedReason: string; [key: string]: any }
-export interface JobDetail { id: string; data: any; [key: string]: any }
+export type { QueueInfo, FailedJob, JobDetail, QueueOverview } from '@/types'
 
 export const eventsQueueAPI = {
   overview() { return api.get<{ queues: QueueInfo[] }>('/admin-api/events') },
diff --git a/src/api/imports.ts b/src/api/imports.ts
index 59c823d..4d9a7ab 100644
--- a/src/api/imports.ts
+++ b/src/api/imports.ts
@@ -1,8 +1,9 @@
 import { api } from '@/lib/api-client'
+import type { ImportJob, ImportJobDetail } from '@/types'
 
 export const importsAdminAPI = {
-  list: (params: string) => api.get(`/admin-api/imports?${params}`),
-  detail: (id: string) => api.get(`/admin-api/imports/${id}`),
+  list: (params: string) => api.get<{ items: ImportJob[] }>(`/admin-api/imports?${params}`),
+  detail: (id: string) => api.get<ImportJobDetail>(`/admin-api/imports/${id}`),
   retry: (id: string) => api.post(`/admin-api/imports/${id}/retry`),
   batchRetry: (ids: string[]) => api.post('/admin-api/imports/batch-retry', { ids }),
 }
diff --git a/src/api/index.ts b/src/api/index.ts
index 680b1af..eeade16 100644
--- a/src/api/index.ts
+++ b/src/api/index.ts
@@ -2,16 +2,22 @@ export { authAPI } from './auth'
 export { usersAPI } from './users'
 export { dashboardAPI } from './dashboard'
 export { auditAPI } from './audit'
-export { billingAPI, type BillingInfo } from './billing'
-export { costsAPI, type CostItem, type CostSummary } from './costs'
+export { billingAPI } from './billing'
+export { costsAPI } from './costs'
 export { configAPI } from './config'
-export { conversationsAPI, type Conversation } from './conversations'
+export { conversationsAPI } from './conversations'
 export { eventsQueueAPI } from './events-queue'
 export { knowledgeAPI } from './knowledge'
-export { serversAPI, type ServerInfo, type ProcessInfo, type ServerHealth, type HealthService } from './servers'
+export { serversAPI } from './servers'
 export { learningAPI } from './learning'
 export { aiAPI } from './ai'
 
+// 类型统一从 @/types 导出（源）
+export type { BillingInfo } from '@/types'
+export type { CostItem, CostSummary } from '@/types'
+export type { Conversation, MessageRecord } from '@/types'
+export type { ServerInfo, ProcessInfo, ServerHealth, HealthService } from '@/types'
+
 // ── 新增 ──
 export { aiGatewayAPI } from './ai-gateway'
 export { cacheAPI } from './cache'
diff --git a/src/api/knowledge.ts b/src/api/knowledge.ts
index 07df741..8d03260 100644
--- a/src/api/knowledge.ts
+++ b/src/api/knowledge.ts
@@ -1,15 +1,16 @@
 import { api } from '@/lib/api-client'
+import type { KnowledgeBase, KnowledgeSource, PaginatedResult, SourceReference, KnowledgeCandidate, KnowledgeChunk } from '@/types'
 
 export const knowledgeAPI = {
   list(page = 1, limit = 20) {
-    return api.get<{ items: any[]; total: number; page: number; limit: number; totalPages: number }>(`/admin-api/knowledge-bases?page=${page}&limit=${limit}`)
+    return api.get<PaginatedResult<KnowledgeBase>>(`/admin-api/knowledge-bases?page=${page}&limit=${limit}`)
   },
-  getById(id: string) { return api.get<any>(`/admin-api/knowledge-bases/${id}`) },
+  getById(id: string) { return api.get<KnowledgeBase>(`/admin-api/knowledge-bases/${id}`) },
   remove(id: string) { return api.delete<void>(`/admin-api/knowledge-bases/${id}`) },
-  candidates() { return api.get('/admin-api/knowledge-bases/candidates?limit=50') },
-  chunks(sourceId: string) { return api.get(`/admin-api/knowledge-bases/chunks?sourceId=${sourceId}&limit=50`) },
-  sources(kbId: string) { return api.get(`/admin-api/knowledge-bases/${kbId}/sources`) },
-  sourceReferences(sourceId: string) { return api.get(`/admin-api/knowledge-bases/sources/${sourceId}/references`) },
-  allSources(params: string) { return api.get(`/admin-api/knowledge-bases/all-sources?${params}`) },
-  search(params: string) { return api.get(`/admin-api/knowledge-bases?${params}`) },
+  candidates() { return api.get<KnowledgeCandidate[]>('/admin-api/knowledge-bases/candidates?limit=50') },
+  chunks(sourceId: string) { return api.get<KnowledgeChunk[]>(`/admin-api/knowledge-bases/chunks?sourceId=${sourceId}&limit=50`) },
+  sources(kbId: string) { return api.get<KnowledgeSource[]>(`/admin-api/knowledge-bases/${kbId}/sources`) },
+  sourceReferences(sourceId: string) { return api.get<SourceReference[]>(`/admin-api/knowledge-bases/sources/${sourceId}/references`) },
+  allSources(params: string) { return api.get<PaginatedResult<KnowledgeSource>>(`/admin-api/knowledge-bases/all-sources?${params}`) },
+  search(params: string) { return api.get<PaginatedResult<KnowledgeBase>>(`/admin-api/knowledge-bases?${params}`) },
 }
diff --git a/src/api/learning.ts b/src/api/learning.ts
index 87be7bd..225c39e 100644
--- a/src/api/learning.ts
+++ b/src/api/learning.ts
@@ -1,48 +1,64 @@
 import { api } from '@/lib/api-client'
+import type {
+  PaginatedResult,
+  ReadingEvent,
+  LearningSession,
+  MaterialReadingProgress,
+  DailyLearningActivity,
+  LearningRecord,
+  AdminDashboard,
+  AnomalyData,
+  UserTimeline,
+  UserDiagnose,
+  MaterialDiagnose,
+} from '@/types'
 
 const BASE = '/admin-api/learning'
 
-function qs(params?: Record<string, any>): string {
+type QueryParams = Record<string, string | number | undefined>
+
+function qs(params?: QueryParams): string {
   if (!params) return ''
-  const p = Object.entries(params).filter(([, v]) => v !== undefined && v !== '').map(([k, v]) => `${k}=${encodeURIComponent(v)}`).join('&')
+  const p = Object.entries(params)
+    .filter(([, v]) => v !== undefined && v !== '')
+    .map(([k, v]) => `${k}=${encodeURIComponent(String(v))}`)
+    .join('&')
   return p ? `?${p}` : ''
 }
 
-export interface PaginatedResponse<T> { items: T[]; total: number }
-
 export const learningAPI = {
   // dashboard
-  getDashboard: (params?: Record<string, any>) => api.get<any>(`${BASE}/dashboard${qs(params)}`),
+  getDashboard: (params?: QueryParams) => api.get<AdminDashboard>(`${BASE}/dashboard${qs(params)}`),
   getKnowledgeBases: () => api.get<Array<{ id: string; name: string }>>(`${BASE}/knowledge-bases`),
 
   // reading events
-  getReadingEvents: (params?: Record<string, any>) => api.get<PaginatedResponse<unknown>>(`${BASE}/reading-events${qs(params)}`),
-  getReadingEventDetail: (id: string) => api.get<any>(`${BASE}/reading-events/${id}`),
-  getFailedEvents: (params?: Record<string, any>) => api.get<PaginatedResponse<unknown>>(`${BASE}/reading-events/failed${qs(params)}`),
+  getReadingEvents: (params?: QueryParams) => api.get<PaginatedResult<ReadingEvent>>(`${BASE}/reading-events${qs(params)}`),
+  getReadingEventDetail: (id: string) => api.get<ReadingEvent>(`${BASE}/reading-events/${id}`),
+  getFailedEvents: (params?: QueryParams) => api.get<PaginatedResult<ReadingEvent>>(`${BASE}/reading-events/failed${qs(params)}`),
 
   // sessions
-  getSessions: (params?: Record<string, any>) => api.get<PaginatedResponse<unknown>>(`${BASE}/sessions${qs(params)}`),
-  getSessionDetail: (id: string) => api.get<any>(`${BASE}/sessions/${id}`),
+  getSessions: (params?: QueryParams) => api.get<PaginatedResult<LearningSession>>(`${BASE}/sessions${qs(params)}`),
+  getSessionDetail: (id: string) => api.get<LearningSession>(`${BASE}/sessions/${id}`),
   deleteSessions: (ids: string[]) => api.post<{ deleted: number; message: string }>(`${BASE}/sessions/batch-delete`, { ids }),
 
   // progress & activities
-  getProgress: (params?: Record<string, any>) => api.get<PaginatedResponse<unknown>>(`${BASE}/progress${qs(params)}`),
-  getDailyActivities: (params?: Record<string, any>) => api.get<PaginatedResponse<unknown>>(`${BASE}/daily-activities${qs(params)}`),
-  getRecords: (params?: Record<string, any>) => api.get<PaginatedResponse<unknown>>(`${BASE}/records${qs(params)}`),
+  getProgress: (params?: QueryParams) => api.get<PaginatedResult<MaterialReadingProgress>>(`${BASE}/progress${qs(params)}`),
+  getDailyActivities: (params?: QueryParams) => api.get<PaginatedResult<DailyLearningActivity>>(`${BASE}/daily-activities${qs(params)}`),
+  getRecords: (params?: QueryParams) => api.get<PaginatedResult<LearningRecord>>(`${BASE}/records${qs(params)}`),
 
   // user/material
-  getUserTimeline: (userId: string) => api.get(`${BASE}/user-timeline?userId=${encodeURIComponent(userId)}`),
-  getUserDiagnose: (userId: string) => api.get(`${BASE}/user-diagnose?userId=${encodeURIComponent(userId)}`),
-  getMaterialDiagnose: (materialId: string) => api.get(`${BASE}/material-diagnose?materialId=${encodeURIComponent(materialId)}`),
+  getUserTimeline: (userId: string) => api.get<UserTimeline>(`${BASE}/user-timeline?userId=${encodeURIComponent(userId)}`),
+  getUserDiagnose: (userId: string) => api.get<UserDiagnose>(`${BASE}/user-diagnose?userId=${encodeURIComponent(userId)}`),
+  getMaterialDiagnose: (materialId: string) => api.get<MaterialDiagnose>(`${BASE}/material-diagnose?materialId=${encodeURIComponent(materialId)}`),
 
   // misc
-  getAnomalies: () => api.get<any>(`${BASE}/anomalies`),
-  getTemporaryMaterials: (params?: Record<string, any>) => api.get<PaginatedResponse<unknown>>(`${BASE}/temporary-materials${qs(params)}`),
+  getAnomalies: () => api.get<AnomalyData>(`${BASE}/anomalies`),
+  getTemporaryMaterials: (params?: QueryParams) => api.get<PaginatedResult<unknown>>(`${BASE}/temporary-materials${qs(params)}`),
 
   // actions
   recalculate: () => api.post(`${BASE}/recalculate`),
   replayEvent: (eventId: string) => api.post<{ success: boolean; message: string }>(`${BASE}/reading-events/${eventId}/replay`),
-  replayEventsBatch: (params: Record<string, any>) => api.post<{ replayed: number; failed: number }>(`${BASE}/reading-events/replay-batch`, params),
+  replayEventsBatch: (params: QueryParams) => api.post<{ replayed: number; failed: number }>(`${BASE}/reading-events/replay-batch`, params),
   exportData: (type: string) => api.get(`${BASE}/export?type=${encodeURIComponent(type)}`),
   getSessionsRaw: (qs: string) => api.get(`${BASE}/sessions?${qs}`),
   getAnalysis: (qs: string) => api.get(`${BASE}/analysis?${qs}`),
diff --git a/src/api/members.ts b/src/api/members.ts
index 82951e8..1567b70 100644
--- a/src/api/members.ts
+++ b/src/api/members.ts
@@ -1,9 +1,11 @@
 import { api } from '@/lib/api-client'
 
+export interface UpdateMembershipDto { userId: string; planId: string; status?: string; expiresAt?: string }
+
 export const membersAPI = {
   list: () => api.get('/admin-api/users'),
   deletionRequests: () => api.get('/admin-api/users/deletion-requests'),
   processDeletion: (id: string, action: string) => api.post(`/admin-api/users/deletion-requests/${id}/${action}`),
   memberships: () => api.get('/admin-api/users/memberships'),
-  updateMembership: (data: any) => api.post('/admin-api/users/memberships', data),
+  updateMembership: (data: UpdateMembershipDto) => api.post('/admin-api/users/memberships', data),
 }
diff --git a/src/api/notifications.ts b/src/api/notifications.ts
index 5f0fec6..70fb2fb 100644
--- a/src/api/notifications.ts
+++ b/src/api/notifications.ts
@@ -1,12 +1,17 @@
 import { api } from '@/lib/api-client'
+import type { NotificationTemplate } from '@/types'
+
+export type CreateTemplateDto = Omit<NotificationTemplate, 'id' | 'createdAt' | 'updatedAt'>
+export type UpdateTemplateDto = Partial<CreateTemplateDto>
+export interface SendNotificationDto { type: string; title: string; content?: string }
 
 export const notificationsAPI = {
   templates: () => api.get('/admin-api/notifications/templates'),
-  createTemplate: (data: any) => api.post('/admin-api/notifications/templates', data),
-  updateTemplate: (id: string, data: any) => api.patch(`/admin-api/notifications/templates/${id}`, data),
+  createTemplate: (data: CreateTemplateDto) => api.post('/admin-api/notifications/templates', data),
+  updateTemplate: (id: string, data: UpdateTemplateDto) => api.patch(`/admin-api/notifications/templates/${id}`, data),
   deleteTemplate: (id: string) => api.delete(`/admin-api/notifications/templates/${id}`),
   sendLog: () => api.get('/admin-api/notifications/send-log?limit=50'),
   adminNotifications: () => api.get('/admin-api/admin-notifications'),
-  send: (data: any) => api.post('/admin-api/admin-notifications/send', data),
+  send: (data: SendNotificationDto) => api.post('/admin-api/admin-notifications/send', data),
   markRead: (id: string) => api.post(`/admin-api/admin-notifications/${id}/read`),
 }
diff --git a/src/api/quota.ts b/src/api/quota.ts
index 9fd86cb..78f49c3 100644
--- a/src/api/quota.ts
+++ b/src/api/quota.ts
@@ -1,8 +1,11 @@
 import { api } from '@/lib/api-client'
+import type { MembershipPlan } from '@/types'
+
+export type CreatePlanDto = Omit<MembershipPlan, 'id' | 'createdAt'>
 
 export const quotaAPI = {
   plans: () => api.get('/admin-api/quota/plans'),
-  createPlan: (data: any) => api.post('/admin-api/quota/plans', data),
+  createPlan: (data: CreatePlanDto) => api.post('/admin-api/quota/plans', data),
   memberships: () => api.get('/admin-api/quota/memberships'),
   costs: () => api.get('/admin-api/quota/costs'),
 }
diff --git a/src/api/release.ts b/src/api/release.ts
index 528006e..bb97e60 100644
--- a/src/api/release.ts
+++ b/src/api/release.ts
@@ -1,11 +1,17 @@
 import { api } from '@/lib/api-client'
+import type { Changelog, ReleaseDecision, ReleaseChecklistItem } from '@/types'
+
+export type CreateChangelogDto = Omit<Changelog, 'id' | 'createdAt'>
+export type UpdateChangelogDto = Partial<CreateChangelogDto>
+export type CreateDecisionDto = Omit<ReleaseDecision, 'id' | 'createdAt'>
+export type UpdateDecisionDto = Partial<CreateDecisionDto>
 
 export const releaseAPI = {
   changelogs: () => api.get('/admin-api/release/changelogs'),
   decisions: () => api.get('/admin-api/release/decisions'),
-  checklists: (ver: string) => api.get(`/admin-api/release/checklists/${ver}`),
-  create: (type: string, data: any) => api.post(`/admin-api/release/${type}`, data),
-  update: (type: string, id: string, data: any) => api.patch(`/admin-api/release/${type}/${id}`, data),
+  checklists: (ver: string) => api.get<ReleaseChecklistItem[]>(`/admin-api/release/checklists/${ver}`),
+  create: (type: string, data: CreateChangelogDto | CreateDecisionDto) => api.post(`/admin-api/release/${type}`, data),
+  update: (type: string, id: string, data: UpdateChangelogDto | UpdateDecisionDto) => api.patch(`/admin-api/release/${type}/${id}`, data),
   delete: (type: string, id: string) => api.delete(`/admin-api/release/${type}/${id}`),
   toggleChecklist: (id: string, checked: boolean) => api.patch(`/admin-api/release/checklists/${id}`, { checked }),
 }
diff --git a/src/api/secrets.ts b/src/api/secrets.ts
index 1feac90..727270e 100644
--- a/src/api/secrets.ts
+++ b/src/api/secrets.ts
@@ -1,12 +1,15 @@
 import { api } from '@/lib/api-client'
 
+export interface CreateSecretDto { name: string; provider: string; value: string; expiresAt?: string }
+export interface CreateVendorBillDto { provider: string; billMonth: string; amount: number; notes?: string }
+
 export const secretsAPI = {
   list() { return api.get('/admin-api/secrets') },
   logs() { return api.get('/admin-api/secrets/logs') },
-  create(data: any) { return api.post('/admin-api/secrets', data) },
+  create(data: CreateSecretDto) { return api.post('/admin-api/secrets', data) },
   delete(id: string) { return api.delete(`/admin-api/secrets/${id}`) },
   vendorBills() { return api.get('/admin-api/vendor/bills') },
-  createVendorBill(data: any) { return api.post('/admin-api/vendor/bills', data) },
+  createVendorBill(data: CreateVendorBillDto) { return api.post('/admin-api/vendor/bills', data) },
   deleteVendorBill(id: string) { return api.delete(`/admin-api/vendor/bills/${id}`) },
   rotateVendorSecret(id: string) { return api.post(`/admin-api/vendor/secrets/${id}/rotate`) },
   revokeVendorSecret(id: string) { return api.post(`/admin-api/vendor/secrets/${id}/revoke`) },
diff --git a/src/api/servers.ts b/src/api/servers.ts
index 3b1fd6e..b98b2da 100644
--- a/src/api/servers.ts
+++ b/src/api/servers.ts
@@ -1,18 +1,7 @@
 import { api } from '@/lib/api-client'
+import type { ServerInfo, ServerHealth, WorkerInfo } from '@/types'
 
-export interface ServerInfo {
-  hostname: string
-  cpu: { usagePercent: number; cores: number; model?: string }
-  memory: { percent: number; used: string; total: string }
-  network: { domains: string[]; privateIp?: string; publicIp?: string }
-  disks: { mount: string; size: string; used: string; percent: number }[]
-  [key: string]: any
-}
-
-export interface ProcessInfo { pid: number; name: string; cpu: number; memory: number; desc?: string; command?: string; [key: string]: any }
-export interface HealthService { serviceName: string; status: string; message?: string }
-export interface ServerHealth { name: string; status: string; uptime?: string; pid?: number; services?: HealthService[]; queues?: string[]; [key: string]: any }
-export interface WorkerInfo { name: string; status: string; queues?: string[]; [key: string]: any }
+export type { ServerInfo, ProcessInfo, HealthService, ServerHealth, WorkerInfo, ServerMetrics } from '@/types'
 
 export const serversAPI = {
   metrics() { return api.get<{ servers: ServerInfo[] }>('/admin-api/servers') },
diff --git a/src/api/vector.ts b/src/api/vector.ts
index 112f5c7..eeccf80 100644
--- a/src/api/vector.ts
+++ b/src/api/vector.ts
@@ -1,8 +1,9 @@
 import { api } from '@/lib/api-client'
+import type { VectorDebugQuery } from '@/types'
 
 export const vectorAPI = {
   count: () => api.get('/admin-api/vector/count'),
   collection: () => api.get('/admin-api/vector/collection'),
   reindex: () => api.post('/admin-api/vector/reindex'),
-  debugSearch: (data: any) => api.post('/admin-api/vector/debug-search', data),
+  debugSearch: (data: VectorDebugQuery) => api.post('/admin-api/vector/debug-search', data),
 }
diff --git a/src/layouts/AdminLayout.tsx b/src/layouts/AdminLayout.tsx
index bb36c3d..b4410ff 100644
--- a/src/layouts/AdminLayout.tsx
+++ b/src/layouts/AdminLayout.tsx
@@ -3,6 +3,7 @@ import { ProLayout } from '@ant-design/pro-components'
 import { Dropdown, Avatar, Tag, Space, message } from 'antd'
 import { LogoutOutlined, UserOutlined } from '@ant-design/icons'
 import { useAuth } from '@/contexts/AuthContext'
+import { useUIStore } from '@/stores'
 import { filterMenuByRole, adminMenuItems } from '@/config/menu'
 import { ADMIN_ROLE_LABELS, ADMIN_ROLE_COLORS } from '@/constants/roles'
 import type { AdminRole } from '@/types/admin'
@@ -60,6 +61,9 @@ export default function AdminLayout() {
   const location = useLocation()
   const { adminUser, logout, hasPermission } = useAuth()
 
+  const sidebarCollapsed = useUIStore((s) => s.sidebarCollapsed)
+  const setSidebarCollapsed = useUIStore((s) => s.setSidebarCollapsed)
+
   const currentRole = adminUser?.role as AdminRole | undefined
 
   const handleLogout = async () => {
@@ -135,6 +139,8 @@ export default function AdminLayout() {
           </Space>
         ) : null
       }
+      collapsed={sidebarCollapsed}
+      onCollapse={setSidebarCollapsed}
       siderWidth={220}
       token={{
         header: { heightLayoutHeader: 48 },
diff --git a/src/pages/AiGateway.tsx b/src/pages/AiGateway.tsx
index 12df719..1dfc0d4 100644
--- a/src/pages/AiGateway.tsx
+++ b/src/pages/AiGateway.tsx
@@ -15,25 +15,25 @@ export default function AiGatewayPage() {
 
   const { data: status } = useQuery({
     queryKey: ['ai-gateway', 'status'],
-    queryFn: (): Promise<any> => aiGatewayAPI.status(),
+    queryFn: () =>aiGatewayAPI.status(),
     staleTime: 30_000,
   })
 
   const { data: routes, refetch: refetchRoutes } = useQuery({
     queryKey: ['ai-gateway', 'routes'],
-    queryFn: (): Promise<any> => aiGatewayAPI.routes(),
+    queryFn: () =>aiGatewayAPI.routes(),
     enabled: activeTab === 'routes',
   })
 
   const { data: providers, refetch: refetchProviders } = useQuery({
     queryKey: ['ai-gateway', 'providers'],
-    queryFn: (): Promise<any> => aiGatewayAPI.providers(),
+    queryFn: () =>aiGatewayAPI.providers(),
     enabled: activeTab === 'providers',
   })
 
   const { data: fallbackEvents } = useQuery({
     queryKey: ['ai-gateway', 'fallback-events'],
-    queryFn: (): Promise<any> => aiGatewayAPI.fallbackEvents(),
+    queryFn: () =>aiGatewayAPI.fallbackEvents(),
     enabled: activeTab === 'fallback',
     refetchInterval: 30_000,
   })
diff --git a/src/pages/Billing.tsx b/src/pages/Billing.tsx
index 238ea48..9fe28a9 100644
--- a/src/pages/Billing.tsx
+++ b/src/pages/Billing.tsx
@@ -25,8 +25,8 @@ function BillingContent() {
 
   const { data: billing } = useQuery({ queryKey: ['billing'], queryFn: billingAPI.get, staleTime: 60_000 })
   const { data: costs } = useQuery({ queryKey: ['costs', 'summary'], queryFn: costsAPI.summary, staleTime: 30_000 })
-  const { data: aiReport } = useQuery({ queryKey: ['costs', 'report'], queryFn: (): Promise<any> => costsAPI.report(), staleTime: 30_000 })
-  const { data: topUsers } = useQuery({ queryKey: ['costs', 'top-users'], queryFn: (): Promise<any> => costsAPI.topUsers(), staleTime: 30_000 })
+  const { data: aiReport } = useQuery({ queryKey: ['costs', 'report'], queryFn: () => costsAPI.report(), staleTime: 30_000 })
+  const { data: topUsers } = useQuery({ queryKey: ['costs', 'top-users'], queryFn: () => costsAPI.topUsers(), staleTime: 30_000 })
 
   const refresh = async () => { setRefreshing(true); await qc.invalidateQueries({ queryKey: ['billing'] }); await qc.invalidateQueries({ queryKey: ['costs'] }); setTimeout(() => setRefreshing(false), 800) }
 
diff --git a/src/pages/ChatLogs.tsx b/src/pages/ChatLogs.tsx
index 4b36680..a36109f 100644
--- a/src/pages/ChatLogs.tsx
+++ b/src/pages/ChatLogs.tsx
@@ -14,13 +14,13 @@ export default function ChatLogsPage() {
 
   const { data: sessions, isLoading } = useQuery({
     queryKey: ['chat-logs', 'sessions'],
-    queryFn: (): Promise<any> => chatLogsAPI.sessions(),
+    queryFn: () => chatLogsAPI.sessions(),
     staleTime: 10_000,
   })
 
   const { data: messages } = useQuery({
     queryKey: ['chat-logs', 'messages', selectedSession?.id],
-    queryFn: (): Promise<any> => chatLogsAPI.sessionMessages(selectedSession?.id || ''),
+    queryFn: () => chatLogsAPI.sessionMessages(selectedSession?.id || ''),
     enabled: !!selectedSession?.id,
   })
 
diff --git a/src/pages/ContentSafety.tsx b/src/pages/ContentSafety.tsx
index 1f50c83..270dbb3 100644
--- a/src/pages/ContentSafety.tsx
+++ b/src/pages/ContentSafety.tsx
@@ -15,10 +15,10 @@ function CSPage() {
   const [category, setCategory] = useState('general')
   const [risk, setRisk] = useState('medium')
 
-  const { data: words } = useQuery({ queryKey: ['safety', 'words'], queryFn: (): Promise<any> => contentSafetyAPI.words() })
-  const { data: checks } = useQuery({ queryKey: ['safety', 'checks'], queryFn: (): Promise<any> => contentSafetyAPI.checks() })
-  const { data: reports } = useQuery({ queryKey: ['safety', 'reports'], queryFn: (): Promise<any> => contentSafetyAPI.reports() })
-  const { data: violations } = useQuery({ queryKey: ['safety', 'violations'], queryFn: (): Promise<any> => contentSafetyAPI.violations() })
+  const { data: words } = useQuery({ queryKey: ['safety', 'words'], queryFn: () => contentSafetyAPI.words() })
+  const { data: checks } = useQuery({ queryKey: ['safety', 'checks'], queryFn: () => contentSafetyAPI.checks() })
+  const { data: reports } = useQuery({ queryKey: ['safety', 'reports'], queryFn: () => contentSafetyAPI.reports() })
+  const { data: violations } = useQuery({ queryKey: ['safety', 'violations'], queryFn: () => contentSafetyAPI.violations() })
 
   const addWord = async () => {
     await contentSafetyAPI.addWord({ word: newWord, category, riskLevel: risk })
diff --git a/src/pages/Events.tsx b/src/pages/Events.tsx
index 68ac39a..19cd9a7 100644
--- a/src/pages/Events.tsx
+++ b/src/pages/Events.tsx
@@ -14,26 +14,26 @@ function EventsPage() {
 
   const { data: overview } = useQuery({
     queryKey: ['events', 'overview'],
-    queryFn: (): Promise<any> => eventsQueueAPI.overview(),
+    queryFn: () =>eventsQueueAPI.overview(),
     staleTime: 10_000,
   })
 
   const { data: stats } = useQuery({
     queryKey: ['events', 'stats'],
-    queryFn: (): Promise<any> => eventsQueueAPI.stats(),
+    queryFn: () =>eventsQueueAPI.stats(),
     enabled: activeTab === 'stats',
   })
 
   const { data: workers } = useQuery({
     queryKey: ['events', 'workers'],
-    queryFn: (): Promise<any> => eventsQueueAPI.workers(),
+    queryFn: () =>eventsQueueAPI.workers(),
     enabled: activeTab === 'stats',
     refetchInterval: 15_000,
   })
 
   const { data: failed } = useQuery({
     queryKey: ['events', 'failed', selectedQueue],
-    queryFn: (): Promise<any> => selectedQueue ? eventsQueueAPI.failedJobs(selectedQueue) : Promise.resolve(null),
+    queryFn: () =>selectedQueue ? eventsQueueAPI.failedJobs(selectedQueue) : Promise.resolve(null),
     enabled: !!selectedQueue,
   })
 
diff --git a/src/pages/ImportMonitor.tsx b/src/pages/ImportMonitor.tsx
index 14c1c3c..b26aff0 100644
--- a/src/pages/ImportMonitor.tsx
+++ b/src/pages/ImportMonitor.tsx
@@ -4,12 +4,14 @@ import { Table, Tag, Typography, Button, App, Drawer, Space, Select, Popconfirm,
 import { ReloadOutlined, RetweetOutlined, ImportOutlined, EyeOutlined } from '@ant-design/icons'
 import { importsAdminAPI, knowledgeAPI } from '@/api'
 import { importStatusLabels, importStepLabels } from '@/constants/labels'
+import type { TablePaginationConfig } from 'antd'
+import type { FilterValue, SorterResult } from 'antd/es/table/interface'
+import type { KnowledgeBase, ImportJob, ImportJobDetail, ImportStepLog } from '@/types'
 import dayjs from 'dayjs'
 
 const { Title, Text } = Typography
 
-// 格式化知识库选项：用户 - 名称 (id前8位)
-function formatKbLabel(kb: any) {
+function formatKbLabel(kb: KnowledgeBase) {
   const user = kb.user?.email || kb.user?.nickname || kb.userId || '?'
   const name = kb.title || '未命名'
   const shortId = kb.id?.slice(0, 8) || kb.id
@@ -20,7 +22,7 @@ export default function ImportMonitorPage() {
   const { message } = App.useApp()
   const qc = useQueryClient()
   const [drawerOpen, setDrawerOpen] = useState(false)
-  const [selectedJob, setSelectedJob] = useState<any>(null)
+  const [selectedJob, setSelectedJob] = useState<ImportJobDetail | null>(null)
   const [selectedRowKeys, setSelectedRowKeys] = useState<React.Key[]>([])
   const [kbFilter, setKbFilter] = useState<string | undefined>(undefined)
   const [retryAllOpen, setRetryAllOpen] = useState(false)
@@ -28,7 +30,6 @@ export default function ImportMonitorPage() {
   const [sortBy, setSortBy] = useState<string>('createdAt')
   const [sortOrder, setSortOrder] = useState<string>('descend')
 
-  // 知识库远程搜索（防抖）
   const [kbSearch, setKbSearch] = useState('')
   const kbSearchTimer = useRef<ReturnType<typeof setTimeout>>(undefined)
 
@@ -37,10 +38,9 @@ export default function ImportMonitorPage() {
     kbSearchTimer.current = setTimeout(() => setKbSearch(val), 300)
   }, [])
 
-  // 知识库列表
   const { data: kbData, isLoading: kbLoading } = useQuery({
     queryKey: ['admin-knowledge-bases', kbSearch],
-    queryFn: (): Promise<any> => {
+    queryFn: () => {
       const params = new URLSearchParams({ limit: '50' })
       if (kbSearch) params.set('search', kbSearch)
       return knowledgeAPI.search(params.toString())
@@ -56,17 +56,16 @@ export default function ImportMonitorPage() {
 
   const { data, isLoading } = useQuery({
     queryKey: ['admin-imports', 'list', kbFilter, sortBy, sortOrder],
-    queryFn: (): Promise<any> => importsAdminAPI.list(queryParams.toString()),
+    queryFn: () => importsAdminAPI.list(queryParams.toString()),
   })
 
-  // 默认过滤已删除 source 的记录
   const tableData = showDeleted
     ? (data?.items || [])
-    : (data?.items || []).filter((r: any) => !r.sourceDeleted)
+    : (data?.items || []).filter((r: ImportJob) => !r.sourceDeleted)
 
   const { data: detail } = useQuery({
     queryKey: ['admin-import-detail', selectedJob?.id],
-    queryFn: (): Promise<any> => importsAdminAPI.detail(selectedJob?.id || ''),
+    queryFn: () => importsAdminAPI.detail(selectedJob?.id || ''),
     enabled: !!selectedJob?.id,
   })
 
@@ -83,17 +82,17 @@ export default function ImportMonitorPage() {
       await importsAdminAPI.retry(id)
       message.success('已重新入队，等待 Worker 处理')
       refreshList()
-    } catch (err: any) {
-      const msg = err?.response?.data?.message || err?.message || '重试失败'
-      message.error(`重试失败: ${msg}`)
+    } catch (err: unknown) {
+      const e = err as { response?: { data?: { message?: string } }; message?: string }
+      message.error(`重试失败: ${e?.response?.data?.message || e?.message || '未知错误'}`)
     }
   }
 
   const handleBatchRetry = async () => {
     try {
       const ids = selectedRowKeys as string[]
-      const res = await importsAdminAPI.batchRetry(ids as string[])
-      const { updated, skipped, skippedCount } = res
+      const res = await importsAdminAPI.batchRetry(ids)
+      const { updated, skipped, skippedCount } = res as { updated: number; skipped: string[]; skippedCount: number }
       let msg = `已重新入队 ${updated} 个任务`
       if (skippedCount > 0) {
         msg += `，${skippedCount} 个跳过（源已删除: ${skipped.slice(0, 3).join(', ')}${skipped.length > 3 ? '...' : ''}）`
@@ -101,9 +100,9 @@ export default function ImportMonitorPage() {
       message.success(msg)
       setSelectedRowKeys([])
       refreshList()
-    } catch (err: any) {
-      const msg = err?.response?.data?.message || err?.message || '批量重试失败'
-      message.error(msg)
+    } catch (err: unknown) {
+      const e = err as { response?: { data?: { message?: string } }; message?: string }
+      message.error(e?.response?.data?.message || e?.message || '批量重试失败')
     }
   }
 
@@ -111,14 +110,14 @@ export default function ImportMonitorPage() {
     try {
       const allItems = data?.items || []
       const retryableIds = allItems
-        .filter((r: any) => r.status?.startsWith('FAILED') || r.status === 'CLAIMED' || r.status === 'QUEUED')
-        .map((r: any) => r.id)
+        .filter((r: ImportJob) => r.status?.startsWith('FAILED') || r.status === 'CLAIMED' || r.status === 'QUEUED')
+        .map((r: ImportJob) => r.id)
       if (retryableIds.length === 0) {
         message.warning('没有可重新解析的任务')
         return
       }
       const res = await importsAdminAPI.batchRetry(retryableIds)
-      const { updated, skipped, skippedCount } = res
+      const { updated, skipped, skippedCount } = res as { updated: number; skipped: string[]; skippedCount: number }
       let msg = `已重新入队 ${updated} 个任务`
       if (skippedCount > 0) {
         msg += `，${skippedCount} 个跳过（源已删除: ${skipped.slice(0, 3).join(', ')}${skipped.length > 3 ? '...' : ''}）`
@@ -127,58 +126,40 @@ export default function ImportMonitorPage() {
       setSelectedRowKeys([])
       setRetryAllOpen(false)
       refreshList()
-    } catch (err: any) {
-      const msg = err?.response?.data?.message || err?.message || '全部重试失败'
-      message.error(msg)
-      setRetryAllOpen(false)
+    } catch (err: unknown) {
+      const e = err as { response?: { data?: { message?: string } }; message?: string }
+      message.error(e?.response?.data?.message || e?.message || '全部重试失败')
     }
   }
 
   const statusColor: Record<string, string> = {
-    QUEUED: 'blue',
-    CLAIMED: 'cyan',
-    DOWNLOADING: 'processing',
-    PARSING: 'processing',
-    OCR_PROCESSING: 'processing',
-    VISION_PROCESSING: 'processing',
-    CLEANING: 'processing',
-    CHUNKING: 'processing',
-    EMBEDDING: 'processing',
-    INDEXING: 'processing',
-    GENERATING_CANDIDATES: 'processing',
-    COMPLETED: 'green',
-    FAILED: 'red',
-    FAILED_RETRYABLE: 'orange',
-    FAILED_FINAL: 'red',
+    COMPLETED: 'green', QUEUED: 'default', CLAIMED: 'blue',
+    DOWNLOADING: 'processing', PARSING: 'processing', CHUNKING: 'processing',
+    EMBEDDING: 'processing', INDEXING: 'processing', GENERATING_CANDIDATES: 'processing',
+    FAILED: 'red', FAILED_RETRYABLE: 'orange', CANCELLED: 'default',
   }
 
   const columns = [
-    { title: '名称', dataIndex: 'sourceName', width: 180, ellipsis: true, sorter: true, sortOrder: sortBy === 'sourceName' ? (sortOrder as any) : undefined,
-      render: (v: string, r: any) => (
-        <Space size={4}>
-          <Text ellipsis style={{ maxWidth: 140 }}>{v}</Text>
-          {r.sourceDeleted && <Tag color="error" style={{ fontSize: 10 }}>源已删</Tag>}
-        </Space>
-      ),
-    },
-    { title: '类型', dataIndex: 'sourceType', width: 80, sorter: true, sortOrder: sortBy === 'sourceType' ? (sortOrder as any) : undefined, render: (s: string) => (s === 'file' ? '文件' : s === 'url' ? '链接' : s === 'text' ? '文本' : s) },
-    { title: '状态', dataIndex: 'status', width: 100, sorter: true, sortOrder: sortBy === 'status' ? (sortOrder as any) : undefined, render: (s: string) => <Tag color={statusColor[s] || 'default'}>{importStatusLabels[s] || s}</Tag> },
-    { title: '进度', dataIndex: 'progress', width: 70, sorter: true, sortOrder: sortBy === 'progress' ? (sortOrder as any) : undefined, render: (v: number) => `${v || 0}%` },
-    { title: '重试', dataIndex: 'retryCount', width: 60, align: 'center' as const, sorter: true, sortOrder: sortBy === 'retryCount' ? (sortOrder as any) : undefined },
+    { title: '名称', dataIndex: 'sourceName', width: 180, ellipsis: true, sorter: true, sortOrder: sortBy === 'sourceName' ? (sortOrder as 'ascend' | 'descend') : undefined,
+      render: (v: string, r: ImportJob) => (
+        <a onClick={() => { setSelectedJob(r); setDrawerOpen(true) }} style={{ fontSize: 12 }}>{v || '—'}</a>
+      ) },
+    { title: '类型', dataIndex: 'sourceType', width: 80, sorter: true, sortOrder: sortBy === 'sourceType' ? (sortOrder as 'ascend' | 'descend') : undefined, render: (s: string) => (s === 'file' ? '文件' : s === 'url' ? '链接' : s === 'text' ? '文本' : s) },
+    { title: '状态', dataIndex: 'status', width: 100, sorter: true, sortOrder: sortBy === 'status' ? (sortOrder as 'ascend' | 'descend') : undefined, render: (s: string) => <Tag color={statusColor[s] || 'default'}>{importStatusLabels[s] || s}</Tag> },
+    { title: '进度', dataIndex: 'progress', width: 70, sorter: true, sortOrder: sortBy === 'progress' ? (sortOrder as 'ascend' | 'descend') : undefined, render: (v: number) => `${v || 0}%` },
+    { title: '重试', dataIndex: 'retryCount', width: 60, align: 'center' as const, sorter: true, sortOrder: sortBy === 'retryCount' ? (sortOrder as 'ascend' | 'descend') : undefined },
     { title: '错误', dataIndex: 'errorMessage', width: 180, ellipsis: true, render: (v: string) => v ? <Text type="danger" style={{ fontSize: 12 }}>{v}</Text> : '-' },
-    { title: '时间', dataIndex: 'createdAt', width: 130, sorter: true, sortOrder: sortBy === 'createdAt' ? (sortOrder as any) : undefined, render: (d: string) => dayjs(d).format('MM-DD HH:mm') },
-    {
-      title: '操作', width: 100,
-      render: (_: any, r: any) => (
-        <Space size="small">
+    { title: '时间', dataIndex: 'createdAt', width: 130, sorter: true, sortOrder: sortBy === 'createdAt' ? (sortOrder as 'ascend' | 'descend') : undefined, render: (d: string) => dayjs(d).format('MM-DD HH:mm') },
+    { title: '操作', width: 160,
+      render: (_: unknown, r: ImportJob) => (
+        <Space size={0}>
           <Button type="link" size="small" icon={<EyeOutlined />} onClick={() => { setSelectedJob(r); setDrawerOpen(true) }}>详情</Button>
-          {(r.status?.startsWith('FAILED') || r.status === 'CLAIMED' || r.status === 'QUEUED') && <Button type="link" size="small" icon={<RetweetOutlined />} onClick={() => handleRetry(r.id, r.sourceDeleted)}>重新解析</Button>}
+          <Button type="link" size="small" icon={<RetweetOutlined />} disabled={r.sourceDeleted} onClick={() => handleRetry(r.id, r.sourceDeleted)}>重试</Button>
         </Space>
-      ),
-    },
+      ) },
   ]
 
-  const stepCols = [
+  const stepColumns = [
     { title: '步骤', dataIndex: 'step', width: 120, render: (s: string) => importStepLabels[s] || importStatusLabels[s] || s },
     { title: '状态', dataIndex: 'status', width: 80, render: (s: string) => <Tag color={s === 'COMPLETED' || s === 'completed' ? 'green' : s?.includes('FAILED') || s === 'failed' ? 'red' : 'blue'}>{importStepLabels[s] || importStatusLabels[s] || s}</Tag> },
     { title: '详情', dataIndex: 'detail', ellipsis: true },
@@ -186,99 +167,56 @@ export default function ImportMonitorPage() {
     { title: '完成', dataIndex: 'completedAt', width: 130, render: (d: string) => d ? dayjs(d).format('HH:mm:ss') : '-' },
   ]
 
-  const kbOptions = (kbData?.items || []).map((kb: any) => ({
+  const kbOptions = (kbData?.items || []).map((kb: KnowledgeBase) => ({
     value: kb.id,
     label: formatKbLabel(kb),
   }))
 
   return (
-    <div>
-      <div style={{ display: 'flex', justifyContent: 'space-between', marginBottom: 16 }}>
-        <Title level={5} style={{ margin: 0 }}><ImportOutlined /> 文档导入</Title>
+    <div style={{ padding: '0 0 24px' }}>
+      <div style={{ display: 'flex', justifyContent: 'space-between', alignItems: 'center', marginBottom: 16 }}>
+        <Title level={5} style={{ margin: 0 }}><ImportOutlined /> 文档导入监控</Title>
         <Space>
-          <Button icon={<ReloadOutlined />} onClick={() => qc.invalidateQueries({ queryKey: ['admin-imports', 'list'] })}>刷新</Button>
+          <Button icon={<ReloadOutlined />} onClick={refreshList} size="small">刷新</Button>
         </Space>
       </div>
-
-      <Row style={{ marginBottom: 12 }} gutter={12}>
+      <Row gutter={[8, 8]} style={{ marginBottom: 16 }}>
         <Col>
-          <Select
-            allowClear
-            showSearch
-            filterOption={false}
-            placeholder="搜索知识库（名称/ID/用户）"
-            style={{ width: 320 }}
-            value={kbFilter}
-            loading={kbLoading}
-            onChange={(val) => { setKbFilter(val); setSelectedRowKeys([]) }}
-            onSearch={handleKbSearch}
-            options={kbOptions}
-            notFoundContent={kbLoading ? '搜索中...' : '无匹配知识库'}
-          />
-        </Col>
-        <Col>
-          <Checkbox checked={showDeleted} onChange={(e) => setShowDeleted(e.target.checked)}>
-            显示已删除源
-          </Checkbox>
-        </Col>
-        <Col>
-          <Button
-            disabled={selectedRowKeys.length === 0}
-            icon={<RetweetOutlined />}
-            onClick={handleBatchRetry}
-          >
-            批量重新解析 ({selectedRowKeys.length})
-          </Button>
-        </Col>
-        <Col>
-          <Popconfirm
-            title="确定重新解析当前筛选的所有任务？"
-            description="将把所有 FAILED / QUEUED / CLAIMED 任务重新入队"
-            open={retryAllOpen}
-            onOpenChange={setRetryAllOpen}
-            onConfirm={handleRetryAll}
-            okText="确定"
-            cancelText="取消"
-          >
-            <Button icon={<RetweetOutlined />}>全部重新解析</Button>
-          </Popconfirm>
+          <Select allowClear showSearch placeholder="知识库" value={kbFilter} onChange={setKbFilter} onSearch={handleKbSearch} filterOption={false} options={kbOptions} loading={kbLoading} style={{ width: 280 }} notFoundContent={kbSearch ? '未找到' : '输入关键词搜索'} />
         </Col>
+        <Col><Checkbox checked={showDeleted} onChange={e => setShowDeleted(e.target.checked)}>显示已删除源</Checkbox></Col>
+        <Col><Popconfirm title="确认重试所有可重试任务？" open={retryAllOpen} onOpenChange={setRetryAllOpen} onConfirm={handleRetryAll}><Button size="small" icon={<RetweetOutlined />}>全部重试</Button></Popconfirm></Col>
+        {selectedRowKeys.length > 0 && <Col><Button size="small" type="primary" onClick={handleBatchRetry}>批量重试 ({selectedRowKeys.length})</Button></Col>}
       </Row>
-
       <Table
-        dataSource={tableData}
-        columns={columns}
         rowKey="id"
+        columns={columns}
+        dataSource={tableData}
         loading={isLoading}
-        pagination={{ pageSize: 30 }}
+        rowSelection={{ selectedRowKeys, onChange: keys => setSelectedRowKeys(keys) }}
+        pagination={false}
         size="small"
-        rowSelection={{
-          selectedRowKeys,
-          onChange: (keys) => setSelectedRowKeys(keys),
-        }}
-        onChange={(_pagination, _filters, sorter: any) => {
-          if (sorter.order) {
-            setSortBy(sorter.field || 'createdAt')
-            setSortOrder(sorter.order)
-          } else {
-            setSortBy('createdAt')
-            setSortOrder('descend')
-          }
+        onChange={(_pagination: TablePaginationConfig, _filters: Record<string, FilterValue>, sorter: SorterResult<ImportJob> | SorterResult<ImportJob>[]) => {
+          const s = Array.isArray(sorter) ? sorter[0] : sorter
+          if (s.columnKey) setSortBy(String(s.columnKey))
+          setSortOrder(s.order || 'descend')
         }}
       />
-
-      <Drawer title={selectedJob?.sourceName || '导入详情'} open={drawerOpen} onClose={() => setDrawerOpen(false)} width={700}>
-        {detail && (
+      <Drawer title={selectedJob?.sourceName || '导入详情'} open={drawerOpen} onClose={() => { setDrawerOpen(false); setSelectedJob(null) }} width={700}>
+        {detail ? (
           <>
-            <Title level={5} style={{ fontSize: 14 }}>Job: {detail.job?.id}</Title>
-            <Text>状态: <Tag color={statusColor[detail.job?.status]}>{importStatusLabels[detail.job?.status] || detail.job?.status}</Tag></Text>
-            <Text style={{ marginLeft: 16 }}>进度: {detail.job?.progress || 0}%</Text>
-            <Text style={{ marginLeft: 16 }}>重试: {detail.job?.retryCount}/{detail.job?.maxRetries}</Text>
-            {detail.job?.errorMessage && <div style={{ marginTop: 8 }}><Text type="danger">{detail.job?.errorMessage}</Text></div>}
-            <Title level={5} style={{ fontSize: 14, marginTop: 16 }}>步骤日志 ({detail.steps?.length || 0})</Title>
-            <Table dataSource={detail.steps || []} columns={stepCols} rowKey="id" pagination={false} size="small" />
+            <Space wrap style={{ marginBottom: 16 }}>
+              <Tag color={statusColor[detail.status] || 'default'}>{importStatusLabels[detail.status] || detail.status}</Tag>
+              <Text type="secondary">进度: {detail.progress || 0}%</Text>
+              <Text type="secondary">重试: {detail.retryCount}</Text>
+              <Text type="secondary">知识库: {detail.kbName || detail.kbId?.slice(0, 8)}</Text>
+              <Text type="secondary">创建: {dayjs(detail.createdAt).format('YYYY-MM-DD HH:mm:ss')}</Text>
+            </Space>
+            {detail.errorMessage && <Text type="danger" style={{ display: 'block', marginBottom: 12 }}>错误: {detail.errorMessage}</Text>}
+            <Title level={5}>步骤日志</Title>
+            <Table rowKey="id" columns={stepColumns} dataSource={(detail.steps || []) as ImportStepLog[]} pagination={false} size="small" />
           </>
-        )}
+        ) : <Text type="secondary">加载中...</Text>}
       </Drawer>
     </div>
   )
diff --git a/src/pages/KnowledgeBases.tsx b/src/pages/KnowledgeBases.tsx
index c2e4501..7d6d592 100644
--- a/src/pages/KnowledgeBases.tsx
+++ b/src/pages/KnowledgeBases.tsx
@@ -23,14 +23,14 @@ function KBPage() {
 
   const { data: sources } = useQuery({
     queryKey: ['kb-sources', selectedKb?.id],
-    queryFn: (): Promise<any> => knowledgeAPI.sources(selectedKb?.id || ''),
+    queryFn: () => knowledgeAPI.sources(selectedKb?.id || ''),
     enabled: !!selectedKb?.id,
   })
 
   const [refSourceId, setRefSourceId] = useState<string | null>(null)
   const { data: references } = useQuery({
     queryKey: ['source-refs', refSourceId],
-    queryFn: (): Promise<any> => knowledgeAPI.sourceReferences(refSourceId || ''),
+    queryFn: () => knowledgeAPI.sourceReferences(refSourceId || ''),
     enabled: !!refSourceId,
   })
 
diff --git a/src/pages/KnowledgeOps.tsx b/src/pages/KnowledgeOps.tsx
index 53e3a2a..b11809d 100644
--- a/src/pages/KnowledgeOps.tsx
+++ b/src/pages/KnowledgeOps.tsx
@@ -16,12 +16,12 @@ export default function KnowledgeOpsPage() {
 
   const { data: candidates } = useQuery({
     queryKey: ['ops', 'candidates'],
-    queryFn: (): Promise<any> => knowledgeAPI.candidates(),
+    queryFn: () => knowledgeAPI.candidates(),
   })
 
   const { data: chunks } = useQuery({
     queryKey: ['ops', 'chunks', sourceId],
-    queryFn: (): Promise<any> => knowledgeAPI.chunks(sourceId),
+    queryFn: () => knowledgeAPI.chunks(sourceId),
     enabled: !!sourceId,
   })
 
diff --git a/src/pages/MemberManagement.tsx b/src/pages/MemberManagement.tsx
index 45e2893..e3a31d2 100644
--- a/src/pages/MemberManagement.tsx
+++ b/src/pages/MemberManagement.tsx
@@ -13,9 +13,9 @@ export default function MemberManagement() {
   const [addOpen, setAddOpen] = useState(false)
   const [form] = Form.useForm()
 
-  const { data: usersData } = useQuery({ queryKey: ['users', 'list'], queryFn: (): Promise<any> => membersAPI.list() })
-  const { data: memberships } = useQuery({ queryKey: ['users', 'memberships'], queryFn: (): Promise<any> => membersAPI.memberships() })
-  const { data: deletions } = useQuery({ queryKey: ['users', 'deletions'], queryFn: (): Promise<any> => membersAPI.deletionRequests() })
+  const { data: usersData } = useQuery({ queryKey: ['users', 'list'], queryFn: () => membersAPI.list() })
+  const { data: memberships } = useQuery({ queryKey: ['users', 'memberships'], queryFn: () => membersAPI.memberships() })
+  const { data: deletions } = useQuery({ queryKey: ['users', 'deletions'], queryFn: () => membersAPI.deletionRequests() })
 
   const assignMembership = async (v: any) => {
     await membersAPI.updateMembership({ userId: v.userId, planId: v.planId, expiresAt: v.expiresAt?.toISOString() })
diff --git a/src/pages/Membership.tsx b/src/pages/Membership.tsx
index e19f19d..630eb40 100644
--- a/src/pages/Membership.tsx
+++ b/src/pages/Membership.tsx
@@ -13,9 +13,9 @@ function MembershipPage() {
   const [addOpen, setAddOpen] = useState(false)
   const [newPlan, setNewPlan] = useState({ name: '', code: '', priceMonthly: 0, monthlyChatCount: 10 })
 
-  const { data: plans } = useQuery({ queryKey: ['quota', 'plans'], queryFn: (): Promise<any> => quotaAPI.plans() })
-  const { data: memberships } = useQuery({ queryKey: ['quota', 'memberships'], queryFn: (): Promise<any> => quotaAPI.memberships() })
-  const { data: costs } = useQuery({ queryKey: ['quota', 'costs'], queryFn: (): Promise<any> => quotaAPI.costs() })
+  const { data: plans } = useQuery({ queryKey: ['quota', 'plans'], queryFn: () => quotaAPI.plans() })
+  const { data: memberships } = useQuery({ queryKey: ['quota', 'memberships'], queryFn: () => quotaAPI.memberships() })
+  const { data: costs } = useQuery({ queryKey: ['quota', 'costs'], queryFn: () => quotaAPI.costs() })
 
   const addPlan = async () => {
     await quotaAPI.createPlan(newPlan)
diff --git a/src/pages/Metrics.tsx b/src/pages/Metrics.tsx
index 0b6810b..f951a4f 100644
--- a/src/pages/Metrics.tsx
+++ b/src/pages/Metrics.tsx
@@ -9,11 +9,11 @@ const { Title } = Typography
 function MetricsPage() {
   const qc = useQueryClient()
 
-  const { data: overview } = useQuery({ queryKey: ['metrics', 'overview'], queryFn: (): Promise<any> => metricsAPI.overview(), staleTime: 10_000 })
-  const { data: top } = useQuery({ queryKey: ['metrics', 'top'], queryFn: (): Promise<any> => metricsAPI.top(), staleTime: 10_000 })
-  const { data: recent } = useQuery({ queryKey: ['metrics', 'recent'], queryFn: (): Promise<any> => metricsAPI.recent(), staleTime: 5_000 })
-  const { data: ai } = useQuery({ queryKey: ['metrics', 'ai'], queryFn: (): Promise<any> => metricsAPI.ai(), staleTime: 10_000 })
-  const { data: worker } = useQuery({ queryKey: ['metrics', 'worker'], queryFn: (): Promise<any> => metricsAPI.worker(), staleTime: 10_000 })
+  const { data: overview } = useQuery({ queryKey: ['metrics', 'overview'], queryFn: () => metricsAPI.overview(), staleTime: 10_000 })
+  const { data: top } = useQuery({ queryKey: ['metrics', 'top'], queryFn: () => metricsAPI.top(), staleTime: 10_000 })
+  const { data: recent } = useQuery({ queryKey: ['metrics', 'recent'], queryFn: () => metricsAPI.recent(), staleTime: 5_000 })
+  const { data: ai } = useQuery({ queryKey: ['metrics', 'ai'], queryFn: () => metricsAPI.ai(), staleTime: 10_000 })
+  const { data: worker } = useQuery({ queryKey: ['metrics', 'worker'], queryFn: () => metricsAPI.worker(), staleTime: 10_000 })
 
   const topCols = [
     { title: '接口', dataIndex: 'path', width: 300, ellipsis: true },
diff --git a/src/pages/Secrets.tsx b/src/pages/Secrets.tsx
index e0325a7..39d1c2b 100644
--- a/src/pages/Secrets.tsx
+++ b/src/pages/Secrets.tsx
@@ -16,9 +16,9 @@ function SecretsPage() {
   const [form, setForm] = useState({ name: '', provider: 'deepseek', value: '', expiresAt: '' })
   const [billForm, setBillForm] = useState({ provider: 'deepseek', billMonth: dayjs().format('YYYY-MM'), amount: 0, notes: '' })
 
-  const { data: secrets } = useQuery({ queryKey: ['secrets'], queryFn: (): Promise<any> => secretsAPI.list() })
-  const { data: logs } = useQuery({ queryKey: ['secrets', 'logs'], queryFn: (): Promise<any> => secretsAPI.logs() })
-  const { data: bills } = useQuery({ queryKey: ['vendor', 'bills'], queryFn: (): Promise<any> => secretsAPI.vendorBills() })
+  const { data: secrets } = useQuery({ queryKey: ['secrets'], queryFn: () => secretsAPI.list() })
+  const { data: logs } = useQuery({ queryKey: ['secrets', 'logs'], queryFn: () => secretsAPI.logs() })
+  const { data: bills } = useQuery({ queryKey: ['vendor', 'bills'], queryFn: () => secretsAPI.vendorBills() })
 
   const addSecret = async () => {
     await secretsAPI.create(form)
diff --git a/src/pages/VectorAdmin.tsx b/src/pages/VectorAdmin.tsx
index 1f66dc6..0c6c1f6 100644
--- a/src/pages/VectorAdmin.tsx
+++ b/src/pages/VectorAdmin.tsx
@@ -11,13 +11,13 @@ export default function VectorAdminPage() {
 
   const { data: coll, isLoading: collLoading } = useQuery({
     queryKey: ['vector', 'collection'],
-    queryFn: (): Promise<any> => vectorAPI.collection(),
+    queryFn: () => vectorAPI.collection(),
     staleTime: 30_000,
   })
 
   const { data: count } = useQuery({
     queryKey: ['vector', 'count'],
-    queryFn: (): Promise<any> => vectorAPI.count(),
+    queryFn: () => vectorAPI.count(),
     staleTime: 30_000,
   })
 
diff --git a/src/pages/learning/SessionPage.tsx b/src/pages/learning/SessionPage.tsx
index f5f8ba6..3499395 100644
--- a/src/pages/learning/SessionPage.tsx
+++ b/src/pages/learning/SessionPage.tsx
@@ -82,7 +82,7 @@ export default function SessionPage() {
             <Descriptions.Item label="结束时间" span={2}>{detail.endedAt ? dayjs(detail.endedAt).format('YYYY-MM-DD HH:mm:ss') : '-'}</Descriptions.Item>
             <Descriptions.Item label="最后事件时间" span={2}>{detail.lastEventAt ? dayjs(detail.lastEventAt).format('YYYY-MM-DD HH:mm:ss') : '-'}</Descriptions.Item>
             <Descriptions.Item label="关联事件数">{detail.eventCount ?? '-'}</Descriptions.Item>
-            <Descriptions.Item label="时长组成">{detail.durationBreakdown || '-'}</Descriptions.Item>
+            <Descriptions.Item label="时长组成">{String(detail.durationBreakdown ?? '-')}</Descriptions.Item>
           </Descriptions>
         )}
         {detail?.clientSessionId && (
diff --git a/src/stores/index.ts b/src/stores/index.ts
new file mode 100644
index 0000000..777968d
--- /dev/null
+++ b/src/stores/index.ts
@@ -0,0 +1 @@
+export { useUIStore } from './ui-store'
diff --git a/src/stores/ui-store.ts b/src/stores/ui-store.ts
new file mode 100644
index 0000000..638be16
--- /dev/null
+++ b/src/stores/ui-store.ts
@@ -0,0 +1,22 @@
+import { create } from 'zustand'
+import { persist } from 'zustand/middleware'
+
+interface UIStore {
+  sidebarCollapsed: boolean
+  toggleSidebar: () => void
+  setSidebarCollapsed: (collapsed: boolean) => void
+}
+
+export const useUIStore = create<UIStore>()(
+  persist(
+    (set) => ({
+      sidebarCollapsed: false,
+      toggleSidebar: () => set((s) => ({ sidebarCollapsed: !s.sidebarCollapsed })),
+      setSidebarCollapsed: (collapsed) => set({ sidebarCollapsed: collapsed }),
+    }),
+    {
+      name: 'admin-ui-prefs',
+      partialize: (state) => ({ sidebarCollapsed: state.sidebarCollapsed }),
+    },
+  ),
+)
diff --git a/src/types/ai.ts b/src/types/ai.ts
new file mode 100644
index 0000000..d917eaa
--- /dev/null
+++ b/src/types/ai.ts
@@ -0,0 +1,51 @@
+// ── AI Gateway ──
+
+export interface AiRoute {
+  id: string
+  name?: string
+  fromProvider: string
+  fromModel: string
+  toProvider: string
+  toModel: string
+  preferredProvider?: string
+  preferredModel?: string
+  fallbackProvider?: string
+  fallbackModel?: string
+  enabled: boolean
+  priority?: number
+  createdAt?: string
+}
+
+export interface AiProvider {
+  name: string
+  enabled: boolean
+  models?: string[]
+  status?: string
+}
+
+export interface FallbackEvent {
+  id: string
+  routeId?: string
+  fromProvider: string
+  fromModel: string
+  toProvider: string
+  toModel: string
+  reason?: string
+  createdAt: string
+}
+
+export interface AiGatewayStatus {
+  providers: AiProvider[]
+  routes: AiRoute[]
+}
+
+export interface AiCostRecord {
+  id: string
+  provider: string
+  model: string
+  feature?: string
+  promptTokens?: number
+  completionTokens?: number
+  cost?: number
+  createdAt: string
+}
diff --git a/src/types/billing.ts b/src/types/billing.ts
new file mode 100644
index 0000000..e873510
--- /dev/null
+++ b/src/types/billing.ts
@@ -0,0 +1,40 @@
+// ── 成本 / 账单 ──
+
+export interface CostItem {
+  id: string
+  name: string
+  currency: string
+  amount: number
+  purchaseDate?: string
+  expiryDate?: string
+  billingCycle?: string
+  category?: string
+  provider?: string
+  note?: string
+}
+
+export interface CostSummary {
+  totalMonthly: number
+  totalYearly: number
+  totalOneTime: number
+  items: CostItem[]
+  byMonth: CostByMonth[]
+  expiringSoon: CostItem[]
+}
+
+export interface CostByMonth {
+  month: string
+  total: number
+}
+
+// ── 供应商账单 ──
+
+export interface BillingInfo {
+  name: string
+  model: string
+  balance: string
+  currency: string
+  status: 'ok' | 'unknown'
+  consoleUrl: string
+  note: string
+}
diff --git a/src/types/chat.ts b/src/types/chat.ts
new file mode 100644
index 0000000..4ba51f2
--- /dev/null
+++ b/src/types/chat.ts
@@ -0,0 +1,20 @@
+// ── 对话 / 聊天 ──
+
+export interface Conversation {
+  id: string
+  title: string
+  userId?: string
+  knowledgeBaseId?: string
+  messageCount?: number
+  createdAt?: string
+  updatedAt?: string
+}
+
+export interface MessageRecord {
+  id: string
+  content: string
+  role: 'user' | 'assistant' | 'system'
+  conversationId?: string
+  userId?: string
+  createdAt?: string
+}
diff --git a/src/types/compliance.ts b/src/types/compliance.ts
new file mode 100644
index 0000000..3702f2d
--- /dev/null
+++ b/src/types/compliance.ts
@@ -0,0 +1,49 @@
+// ── 合规 / 安全 ──
+
+export interface PrivacyPolicy {
+  id: string
+  version: string
+  title: string
+  content: string
+  effectiveAt: string
+  published: boolean
+  createdAt?: string
+}
+
+export interface UserAgreement {
+  id: string
+  version: string
+  title: string
+  content: string
+  effectiveAt: string
+  published: boolean
+  createdAt?: string
+}
+
+export interface Filing {
+  id: string
+  type: string
+  title: string
+  description?: string
+  status: string
+  filedAt?: string
+  createdAt?: string
+}
+
+export interface DeletionRequest {
+  id: string
+  userId: string
+  userName?: string
+  reason?: string
+  status: 'pending' | 'approved' | 'rejected'
+  createdAt: string
+}
+
+export interface SecurityEvent {
+  id: string
+  type: string
+  userId?: string
+  detail?: string
+  severity?: string
+  createdAt: string
+}
diff --git a/src/types/config.ts b/src/types/config.ts
new file mode 100644
index 0000000..c8ef87e
--- /dev/null
+++ b/src/types/config.ts
@@ -0,0 +1,26 @@
+// ── 系统配置 ──
+
+export interface AppConfig {
+  key: string
+  value: string
+  description?: string
+  category?: string
+  updatedAt?: string
+}
+
+export interface FeatureFlag {
+  name: string
+  enabled: boolean
+  description?: string
+  whitelist?: string
+  updatedAt?: string
+}
+
+export interface ConfigChangeLog {
+  id: string
+  key: string
+  oldValue?: string
+  newValue: string
+  changedBy?: string
+  changedAt: string
+}
diff --git a/src/types/events.ts b/src/types/events.ts
new file mode 100644
index 0000000..3c5fa5d
--- /dev/null
+++ b/src/types/events.ts
@@ -0,0 +1,31 @@
+// ── 事件队列 ──
+
+export interface QueueInfo {
+  name: string
+  waiting: number
+  active: number
+  failed: number
+  completed?: number
+  delayed?: number
+}
+
+export interface FailedJob {
+  id: string
+  name: string
+  failedReason: string
+  queue?: string
+  failedAt?: string
+}
+
+export interface JobDetail {
+  id: string
+  data: Record<string, unknown>
+  queue?: string
+  status?: string
+  attempts?: number
+  createdAt?: string
+}
+
+export interface QueueOverview {
+  queues: QueueInfo[]
+}
diff --git a/src/types/index.ts b/src/types/index.ts
new file mode 100644
index 0000000..b562c07
--- /dev/null
+++ b/src/types/index.ts
@@ -0,0 +1,64 @@
+// ── 领域模型 ──
+export type { AdminRole, AdminUser, TrendPoint, DashboardStats, AuditLog } from './admin'
+export type {
+  ReadingEvent,
+  LearningSession,
+  MaterialReadingProgress,
+  DailyLearningActivity,
+  LearningRecord,
+  AdminDashboard,
+  AnomalyData,
+  UserTimeline,
+  UserDiagnose,
+  MaterialDiagnose,
+  ExportResult,
+} from './learning'
+export type {
+  KnowledgeBase,
+  KnowledgeSource,
+  SourceReference,
+  ImportJob,
+  ImportJobStatus,
+  ImportStepLog,
+  ImportJobDetail,
+  KnowledgeChunk,
+  KnowledgeCandidate,
+} from './knowledge'
+export type {
+  ServerInfo,
+  ProcessInfo,
+  HealthService,
+  ServerHealth,
+  WorkerInfo,
+  ServerMetrics,
+} from './server'
+export type { AiRoute, AiProvider, FallbackEvent, AiGatewayStatus, AiCostRecord } from './ai'
+export type { CostItem, CostSummary, CostByMonth, BillingInfo } from './billing'
+export type { QueueInfo, FailedJob, JobDetail, QueueOverview } from './events'
+export type { Conversation, MessageRecord } from './chat'
+export type { MemberUser, MembershipPlan, Membership } from './user'
+export type {
+  PrivacyPolicy,
+  UserAgreement,
+  Filing,
+  DeletionRequest,
+  SecurityEvent,
+} from './compliance'
+export type { AppConfig, FeatureFlag, ConfigChangeLog } from './config'
+export type { SensitiveWord, SafetyCheck, SafetyReport, Violation } from './safety'
+export type { ApiKey, VendorBill } from './secret'
+export type { ReviewCard, Changelog, ReleaseDecision, ReleaseChecklistItem } from './review'
+export type { VectorSearchResult, VectorDebugQuery, VectorDebugResponse } from './vector'
+
+// ── 通用 / API ──
+export type {
+  PaginatedResult,
+  PaginationParams,
+  CacheStats,
+  NotificationTemplate,
+  NotificationLog,
+  ReviewCardItem,
+} from './api'
+
+// ── UI ──
+export type { TypedColumn, SortState, FilterState, ModalControl, DrawerControl } from './ui'
diff --git a/src/types/knowledge.ts b/src/types/knowledge.ts
new file mode 100644
index 0000000..773c6e0
--- /dev/null
+++ b/src/types/knowledge.ts
@@ -0,0 +1,110 @@
+// ── 知识库 ──
+
+export interface KnowledgeBase {
+  id: string
+  name: string
+  title?: string
+  description?: string
+  userId: string
+  user?: { nickname?: string; email?: string }
+  sourceCount?: number
+  chunkCount?: number
+  candidateCount?: number
+  createdAt: string
+  updatedAt?: string
+}
+
+// ── 知识源 ──
+
+export interface KnowledgeSource {
+  id: string
+  knowledgeBaseId: string
+  kbName?: string
+  sourceName: string
+  sourceType: 'file' | 'url' | 'text'
+  sourceUrl?: string
+  status: string
+  fileType?: string
+  fileSize?: number
+  createdAt: string
+}
+
+export interface SourceReference {
+  id: string
+  sourceId: string
+  title?: string
+  url?: string
+  type?: string
+}
+
+// ── 文档导入任务 ──
+
+export interface ImportJob {
+  id: string
+  kbId: string
+  kbName?: string
+  sourceId?: string
+  sourceName: string
+  sourceType: 'file' | 'url' | 'text'
+  status: ImportJobStatus
+  progress: number
+  retryCount: number
+  errorMessage?: string
+  sourceDeleted?: boolean
+  createdAt: string
+  updatedAt?: string
+}
+
+export type ImportJobStatus =
+  | 'QUEUED'
+  | 'CLAIMED'
+  | 'DOWNLOADING'
+  | 'PARSING'
+  | 'CHUNKING'
+  | 'EMBEDDING'
+  | 'INDEXING'
+  | 'GENERATING_CANDIDATES'
+  | 'COMPLETED'
+  | 'FAILED'
+  | 'FAILED_RETRYABLE'
+  | 'CANCELLED'
+
+// ── 导入步骤日志 ──
+
+export interface ImportStepLog {
+  id: string
+  importId: string
+  step: string
+  status: string
+  detail?: string
+  startedAt?: string
+  completedAt?: string
+}
+
+export interface ImportJobDetail extends ImportJob {
+  steps?: ImportStepLog[]
+}
+
+// ── 知识块 ──
+
+export interface KnowledgeChunk {
+  id: string
+  sourceId: string
+  content: string
+  chunkIndex?: number
+  tokenCount?: number
+  confidence?: number
+}
+
+// ── 候选知识点 ──
+
+export interface KnowledgeCandidate {
+  id: string
+  knowledgeBaseId: string
+  sourceId: string
+  importId?: string
+  title: string
+  content?: string
+  confidence?: number
+  status?: string
+}
diff --git a/src/types/learning.ts b/src/types/learning.ts
index cf5da19..a4d1bbc 100644
--- a/src/types/learning.ts
+++ b/src/types/learning.ts
@@ -17,6 +17,8 @@ export interface ReadingEvent {
   appVersion?: string;
   status: string;
   errorCode?: string;
+  errorMessage?: string;
+  retryCount?: number;
   warningCodes?: unknown;
   serverReceivedAt: string;
   processedAt?: string;
@@ -38,8 +40,17 @@ export interface LearningSession {
   totalActiveSeconds: number;
   clientSessionId?: string;
   materialId?: string;
+  materialName?: string;
   readingTargetType?: string;
+  targetType?: string;
   lastPosition?: unknown;
+  userName?: string;
+  kbName?: string;
+  interrupted?: boolean;
+  missingMaterialClosed?: boolean;
+  abnormalDelta?: number;
+  eventCount?: number;
+  durationBreakdown?: unknown;
   lastEventAt?: string;
   createdAt: string;
 }
@@ -98,10 +109,11 @@ export interface LearningRecord {
 
 // ── Dashboard ──
 export interface AdminDashboard {
-  overview: { totalEvents: number; todayEvents: number; failedEvents: number; duplicateEvents: number };
+  overview: { totalEvents: number; todayEvents: number; failedEvents: number; duplicateEvents: number; warningEvents?: number; totalActiveSeconds?: number };
   sessions: { active: number; interrupted: number; completed: number; total: number };
   users: { activeToday: number; totalWithEvents: number };
   materials: { totalRead: number; totalMarkedRead: number };
+  recentAnomalies?: Array<{ eventId: string; eventType: string; errorCode?: string; createdAt: string }>;
 }
 
 // ── Anomalies ──
diff --git a/src/types/review.ts b/src/types/review.ts
new file mode 100644
index 0000000..cdc1d65
--- /dev/null
+++ b/src/types/review.ts
@@ -0,0 +1,49 @@
+// ── 复习 / 发布 ──
+
+import type { ReviewCardItem } from './api'
+
+export type { ReviewCardItem }
+
+export interface ReviewCard {
+  id: string
+  userId: string
+  userName?: string
+  frontText: string
+  backText?: string
+  difficulty: string | null
+  status: string
+  scheduleState: string | null
+  intervalDays: number
+  repetitionCount: number
+  lapseCount: number
+  nextReviewAt: string | null
+  createdAt?: string
+}
+
+export interface Changelog {
+  id: string
+  version: string
+  title: string
+  content: string
+  type: 'feature' | 'fix' | 'improvement' | 'breaking'
+  published: boolean
+  publishedAt?: string
+  createdAt: string
+}
+
+export interface ReleaseDecision {
+  id: string
+  title: string
+  description?: string
+  status: string
+  priority?: string
+  assignee?: string
+  createdAt: string
+}
+
+export interface ReleaseChecklistItem {
+  id: string
+  label: string
+  checked: boolean
+  category?: string
+}
diff --git a/src/types/safety.ts b/src/types/safety.ts
new file mode 100644
index 0000000..a80d7d9
--- /dev/null
+++ b/src/types/safety.ts
@@ -0,0 +1,42 @@
+// ── 内容安全 ──
+
+export interface SensitiveWord {
+  id: string
+  word: string
+  category?: string
+  risk: 'low' | 'medium' | 'high'
+  enabled: boolean
+  createdAt?: string
+}
+
+export interface SafetyCheck {
+  id: string
+  userId: string
+  userName?: string
+  content: string
+  type: string
+  result: string
+  matchedWords?: string[]
+  createdAt: string
+}
+
+export interface SafetyReport {
+  id: string
+  userId: string
+  userName?: string
+  targetType: string
+  targetId: string
+  reason: string
+  status: 'pending' | 'handled' | 'dismissed'
+  createdAt: string
+}
+
+export interface Violation {
+  id: string
+  userId: string
+  userName?: string
+  type: string
+  detail?: string
+  penalty: 'none' | 'warning' | 'suspend' | 'ban'
+  createdAt: string
+}
diff --git a/src/types/secret.ts b/src/types/secret.ts
new file mode 100644
index 0000000..b262441
--- /dev/null
+++ b/src/types/secret.ts
@@ -0,0 +1,22 @@
+// ── 密钥 / API Key ──
+
+export interface ApiKey {
+  id: string
+  name: string
+  type: string
+  key: string
+  status: string
+  expiresAt?: string
+  lastUsedAt?: string
+  createdAt: string
+}
+
+export interface VendorBill {
+  id: string
+  vendor: string
+  amount: number
+  currency: string
+  period?: string
+  status?: string
+  createdAt?: string
+}
diff --git a/src/types/server.ts b/src/types/server.ts
new file mode 100644
index 0000000..5cf9584
--- /dev/null
+++ b/src/types/server.ts
@@ -0,0 +1,53 @@
+// ── 服务器信息 ──
+
+export interface ServerInfo {
+  name: string
+  hostname?: string
+  role?: string
+  cpu: { usagePercent: number; cores: number; model?: string }
+  memory: { percent: number; used: string; total: string }
+  network: { domains: string[]; privateIp?: string; publicIp?: string }
+  disks: { mount: string; size: string; used: string; percent: number }[]
+  uptime?: string
+  processes?: ProcessInfo[]
+}
+
+export interface ProcessInfo {
+  pid: number
+  name: string
+  cpu: number
+  memory: number
+  desc?: string
+  command?: string
+}
+
+export interface HealthService {
+  serviceName: string
+  status: string
+  message?: string
+}
+
+export interface ServerHealth {
+  name: string
+  serverName?: string
+  status: string
+  uptime?: string
+  pid?: number
+  services?: HealthService[]
+  queues?: string[]
+}
+
+export interface WorkerInfo {
+  name: string
+  status: string
+  instanceId?: string
+  hostname?: string
+  appVersion?: string
+  queues?: string[]
+  startedAt?: string
+  lastHeartbeatAgo?: number
+}
+
+export interface ServerMetrics {
+  servers: ServerInfo[]
+}
diff --git a/src/types/ui.ts b/src/types/ui.ts
new file mode 100644
index 0000000..307f0b1
--- /dev/null
+++ b/src/types/ui.ts
@@ -0,0 +1,40 @@
+import type { ReactNode } from 'react'
+
+// ── 通用表格列类型（替代 (_: any, r: any)）──
+
+export interface TypedColumn<T> {
+  title: string
+  dataIndex?: keyof T & string
+  key?: string
+  width?: number | string
+  ellipsis?: boolean
+  align?: 'left' | 'center' | 'right'
+  sorter?: boolean
+  sortOrder?: 'ascend' | 'descend' | null
+  render?: (value: unknown, record: T, index: number) => ReactNode
+}
+
+// ── 排序 / 筛选 ──
+
+export interface SortState {
+  sortBy: string
+  sortOrder: 'ascend' | 'descend'
+}
+
+export interface FilterState {
+  page: number
+  pageSize?: number
+  search?: string
+}
+
+// ── 通用 UI 状态 ──
+
+export interface ModalControl<T = unknown> {
+  open: boolean
+  editing?: T
+}
+
+export interface DrawerControl<T = unknown> {
+  open: boolean
+  selected?: T
+}
diff --git a/src/types/user.ts b/src/types/user.ts
new file mode 100644
index 0000000..48a789d
--- /dev/null
+++ b/src/types/user.ts
@@ -0,0 +1,37 @@
+// ── 用户 / 会员 ──
+
+export interface MemberUser {
+  id: string
+  userId: string
+  userName?: string
+  email?: string
+  nickname?: string
+  role?: string
+  status?: string
+  plan?: MembershipPlan
+  quotaUsed?: number
+  quotaLimit?: number
+  createdAt?: string
+}
+
+export interface MembershipPlan {
+  id: string
+  name: string
+  code: string
+  priceMonthly: number
+  monthlyChatCount?: number
+  monthlyStorageBytes?: number
+  maxKnowledgeBases?: number
+  enabled?: boolean
+  createdAt?: string
+}
+
+export interface Membership {
+  id: string
+  userId: string
+  planId: string
+  plan?: MembershipPlan
+  status: 'active' | 'cancelled' | 'expired' | 'pending'
+  startedAt: string
+  expiresAt?: string
+}
diff --git a/src/types/vector.ts b/src/types/vector.ts
new file mode 100644
index 0000000..de89f67
--- /dev/null
+++ b/src/types/vector.ts
@@ -0,0 +1,22 @@
+// ── 向量检索 ──
+
+export interface VectorSearchResult {
+  id: string
+  score: number
+  content?: string
+  sourceId?: string
+  sourceName?: string
+  metadata?: Record<string, unknown>
+}
+
+export interface VectorDebugQuery {
+  query: string
+  limit?: number
+  collection?: string
+}
+
+export interface VectorDebugResponse {
+  results: VectorSearchResult[]
+  latency?: number
+  collection?: string
+}
diff --git a/src/vite-env.d.ts b/src/vite-env.d.ts
new file mode 100644
index 0000000..a07f26b
--- /dev/null
+++ b/src/vite-env.d.ts
@@ -0,0 +1,10 @@
+/// <reference types="vite/client" />
+
+interface ImportMetaEnv {
+  /** API 后端地址（仅本地开发使用，生产通过 Nginx 代理） */
+  readonly VITE_API_BASE_URL?: string
+}
+
+interface ImportMeta {
+  readonly env: ImportMetaEnv
+}
diff --git a/tsconfig.app.json b/tsconfig.app.json
index a358e37..3f53ce4 100644
--- a/tsconfig.app.json
+++ b/tsconfig.app.json
@@ -15,6 +15,11 @@
     "noEmit": true,
     "jsx": "react-jsx",
 
+    /* Strict — 渐进式收紧 */
+    "strict": true,
+    "noImplicitAny": false,
+    "strictNullChecks": false,
+
     /* Linting */
     "baseUrl": ".",
     "paths": { "@/*": ["src/*"] },