docs(architecture): 同步 005 JSON — 补充备课模块 providers/services 文件清单 + i18n + auditFixes 字段

- modules.lesson_preparation.files 新增 providers/lesson-plan-provider.tsx 和 services/default-data-service.ts
- 新增 i18n 字段记录 lessonPreparation 命名空间和消息文件路径
- 新增 auditFixes 字段记录 P0-1/P0-2/P0-3/P1-1/P1-2/P1-3/P1-4/P1-5/P1-7/P1-8/P2-1/P2-4 修复项

docs/architecture/005_architecture_data.json

@@ -12847,7 +12847,7 @@
   },
   "dbTables": {
     "_meta": {
-      "total": 54,
+      "total": 55,
       "orm": "Drizzle ORM 0.45",
       "database": "MySQL",
       "idStrategy": "CUID2 (varchar length 128)",
@@ -13201,6 +13201,13 @@
           "columns": 8,
           "indexes": 1,
           "foreignKeys": 1
+        },
+        "systemSettings": {
+          "owner": "settings",
+          "description": "系统设置（键值对存储：category + key + value + valueType，P0-3 新增）",
+          "columns": 7,
+          "indexes": 2,
+          "foreignKeys": 0
         }
       }
     },
@@ -13591,7 +13598,9 @@
           "components.ui.card",
           "components.ui.tabs",
           "components.ui.alert-dialog",
-          "components.form-fields"
+          "components.ui.badge",
+          "components.form-fields",
+          "components.locale-switcher"
         ],
         "auth": [
           "auth"
@@ -13614,14 +13623,15 @@
         ],
         "users": [
           "data-access.UserProfile",
-          "data-access.UpdateUserProfileInput"
+          "data-access.UpdateUserProfileInput",
+          "data-access.updateUserAvatar"
         ],
         "notifications": [
           "types.NotificationPreferences",
           "types.UpdateNotificationPreferencesInput"
         ]
       },
-      "note": "组件层通过 SettingsService 接口注入解耦，不直接 import messaging/actions；页面层 app/(dashboard)/settings/page.tsx 负责注入 users/actions + messaging/actions 实现"
+      "note": "组件层通过 SettingsService 接口注入解耦，不直接 import messaging/actions；页面层 app/(dashboard)/settings/page.tsx 负责注入 users/actions + messaging/actions 实现。P0-3/P2-8/P2-9/P2-10/P2-11 已修复：AdminSettingsView 接入真实数据层（system_settings 表）、头像上传、2FA/登录历史、通知测试按钮、语言切换集成。"
     },
     "users": {
       "dependsOn": [