refactor(msg_gateway): restructure and rename message_gateway aligned with custom_example

.agents/skills/push-notification/SKILL.md

@@ -15,7 +15,7 @@ Wavelet 的消息推送机制采用了**元数据驱动 + 统一触发器 + 异
 
 | 目录/包名 | 职责定位 | 包含内容与设计细节 |
 | :--- | :--- | :--- |
-| **`backend/plugins/domain/message_gateway/push/`** | 推送基础设施层 | 静态定义、不依赖系统数据库和任何框架。定义了统一接口 `Pusher` 和多实现（Lark, Webhook, Email 等），提供配置验证及发送功能。 |
+| **`backend/plugins/domain/msg_gateway/push/`** | 推送基础设施层 | 静态定义、不依赖系统数据库和任何框架。定义了统一接口 `Pusher` 和多实现（Lark, Webhook, Email 等），提供配置验证及发送功能。 |
 | **`internal/apps/admin/push/`** | 通知服务与后台任务层 | 包含以下核心文件：<br>1. `events.go`：定义通知事件的结构模型（`NotificationMessage`, `EventMetadata`）、内置事件的动态注册中心（`BuiltInEvents` 及 `RegisterBuiltInEvent` 函数）以及统一触发器类 `EventTrigger`（包括其底层的派发引擎逻辑）。<br>2. `tasks.go`：定义 Asynq 后台异步发送任务、处理器 `PushHandler` 及其校验逻辑，并记录推送历史审计。<br>3. `routers.go`：管理端接口，负责获取事件配置列表和更新配置。 |
 | **`internal/apps/admin/push/custom_events/`** | 自定义通知事件包 | 事件元数据定义与 push 侧处理逻辑；**一个 Go 文件代表一个事件**。在 `register.go` 统一装配，禁止 `init()` 副作用。 |
 | **`internal/listener/`** | 域事件分发层 | 核心域发射事件（如 `EmitAdminLoggedIn`），push 在 bootstrap 阶段通过 `OnAdminLoggedIn` 订阅，避免 auth/user 直接依赖 push。 |

backend/cmd/app.go

@@ -9,7 +9,7 @@ import (
 	"Wavelet/plugins/domain/admin"
 	"Wavelet/plugins/domain/auth"
 	"Wavelet/plugins/domain/cap"
-	"Wavelet/plugins/domain/message_gateway"
+	"Wavelet/plugins/domain/msg_gateway"
 	"Wavelet/plugins/domain/risk_control"
 	"Wavelet/plugins/domain/system"
 	"Wavelet/plugins/domain/upload"
@@ -105,7 +105,7 @@ func newWaveletApp(profile core.Profile, opts ...core.AppOption) *core.App {
 		admin.New(),
 		user.New(),
 		auth.New(),
-		message_gateway.New(),
+		msg_gateway.New(),
 		risk_control.New(),
 		upload.New(),
 		cap.New(),

backend/cmd/app_test.go

@@ -82,8 +82,8 @@ func TestNewWaveletAppProfiles(t *testing.T) {
 			_, ok = app.Plugin("user")
 			assert.True(t, ok, "user plugin missing")
 
-			_, ok = app.Plugin("message_gateway")
-			assert.True(t, ok, "message_gateway plugin missing")
+			_, ok = app.Plugin("msg_gateway")
+			assert.True(t, ok, "msg_gateway plugin missing")
 
 			_, ok = app.Plugin("risk_control")
 			assert.True(t, ok, "risk_control plugin missing")

backend/docs/swagger.yaml

@@ -204,6 +204,265 @@ definitions:
       ttl_minutes:
         type: integer
     type: object
+  do.BindRequest:
+    properties:
+      channel_id:
+        type: string
+      code:
+        type: string
+    type: object
+  do.BindingDTO:
+    properties:
+      channel_id:
+        example: "0"
+        type: string
+      channel_name:
+        type: string
+      channel_type:
+        type: string
+      created_at:
+        type: string
+      id:
+        example: "0"
+        type: string
+      platform_user_id:
+        type: string
+      user_id:
+        example: "0"
+        type: string
+    type: object
+  do.ChannelDTO:
+    properties:
+      credentials:
+        additionalProperties:
+          type: string
+        type: object
+      enabled:
+        type: boolean
+      extra:
+        additionalProperties:
+          type: string
+        type: object
+      id:
+        example: "0"
+        type: string
+      name:
+        type: string
+      owner_id:
+        example: "0"
+        type: string
+      owner_scope:
+        type: string
+      type:
+        type: string
+    type: object
+  do.CreateChannelRequest:
+    properties:
+      credentials:
+        additionalProperties:
+          type: string
+        type: object
+      enabled:
+        type: boolean
+      extra:
+        additionalProperties:
+          type: string
+        type: object
+      name:
+        type: string
+      type:
+        type: string
+    type: object
+  do.CreatePushChannelRequest:
+    properties:
+      description:
+        type: string
+      enabled:
+        type: boolean
+      name:
+        type: string
+      other:
+        type: string
+      token:
+        type: string
+      type:
+        type: string
+      url:
+        type: string
+    required:
+    - name
+    - type
+    type: object
+  do.CreatePushEventRequest:
+    properties:
+      channels:
+        items:
+          type: string
+        type: array
+      enabled:
+        type: boolean
+      event_key:
+        type: string
+      targets:
+        items:
+          type: string
+        type: array
+      task_type:
+        type: string
+      template:
+        type: string
+    type: object
+  do.Definition:
+    properties:
+      fields:
+        items:
+          $ref: '#/definitions/do.Field'
+        type: array
+      type:
+        type: string
+    type: object
+  do.Field:
+    properties:
+      key:
+        type: string
+      required:
+        type: boolean
+      type:
+        type: string
+    type: object
+  do.PublicChannelDTO:
+    properties:
+      id:
+        example: "0"
+        type: string
+      name:
+        type: string
+      type:
+        type: string
+    type: object
+  do.TestPushChannelRequest:
+    properties:
+      name:
+        type: string
+      other:
+        type: string
+      target:
+        type: string
+      token:
+        type: string
+      type:
+        type: string
+      url:
+        type: string
+    type: object
+  do.TestPushRequest:
+    properties:
+      config:
+        $ref: '#/definitions/push.Config'
+      target:
+        type: string
+    required:
+    - config
+    type: object
+  do.UpdateChannelRequest:
+    properties:
+      credentials:
+        additionalProperties:
+          type: string
+        type: object
+      enabled:
+        type: boolean
+      extra:
+        additionalProperties:
+          type: string
+        type: object
+      name:
+        type: string
+    type: object
+  do.UpdatePushChannelRequest:
+    properties:
+      description:
+        type: string
+      enabled:
+        type: boolean
+      other:
+        type: string
+      token:
+        type: string
+      type:
+        type: string
+      url:
+        type: string
+    required:
+    - type
+    type: object
+  do.UpdatePushEventRequest:
+    properties:
+      channels:
+        items:
+          type: string
+        type: array
+      enabled:
+        type: boolean
+      targets:
+        items:
+          type: string
+        type: array
+      template:
+        type: string
+    required:
+    - template
+    type: object
+  entity.PushChannel:
+    properties:
+      created_at:
+        type: string
+      description:
+        type: string
+      enabled:
+        type: boolean
+      id:
+        type: integer
+      name:
+        type: string
+      other:
+        type: string
+      token:
+        type: string
+      type:
+        type: string
+      updated_at:
+        type: string
+      url:
+        type: string
+    type: object
+  entity.PushEvent:
+    properties:
+      channels:
+        items:
+          type: string
+        type: array
+      created_at:
+        type: string
+      enabled:
+        type: boolean
+      event_key:
+        type: string
+      id:
+        type: integer
+      name:
+        type: string
+      targets:
+        items:
+          type: string
+        type: array
+      task_type:
+        type: string
+      template:
+        type: string
+      updated_at:
+        type: string
+    type: object
   handler.batchDownloadRequest:
     properties:
       ids:
@@ -337,33 +596,6 @@ definitions:
       total:
         type: integer
     type: object
-  model.BindRequest:
-    properties:
-      channel_id:
-        type: string
-      code:
-        type: string
-    type: object
-  model.BindingDTO:
-    properties:
-      channel_id:
-        example: "0"
-        type: string
-      channel_name:
-        type: string
-      channel_type:
-        type: string
-      created_at:
-        type: string
-      id:
-        example: "0"
-        type: string
-      platform_user_id:
-        type: string
-      user_id:
-        example: "0"
-        type: string
-    type: object
   model.BrowserItem:
     properties:
       browser:
@@ -371,87 +603,6 @@ definitions:
       count:
         type: integer
     type: object
-  model.ChannelDTO:
-    properties:
-      credentials:
-        additionalProperties:
-          type: string
-        type: object
-      enabled:
-        type: boolean
-      extra:
-        additionalProperties:
-          type: string
-        type: object
-      id:
-        example: "0"
-        type: string
-      name:
-        type: string
-      owner_id:
-        example: "0"
-        type: string
-      owner_scope:
-        type: string
-      type:
-        type: string
-    type: object
-  model.CreateChannelRequest:
-    properties:
-      credentials:
-        additionalProperties:
-          type: string
-        type: object
-      enabled:
-        type: boolean
-      extra:
-        additionalProperties:
-          type: string
-        type: object
-      name:
-        type: string
-      type:
-        type: string
-    type: object
-  model.CreatePushChannelRequest:
-    properties:
-      description:
-        type: string
-      enabled:
-        type: boolean
-      name:
-        type: string
-      other:
-        type: string
-      token:
-        type: string
-      type:
-        type: string
-      url:
-        type: string
-    required:
-    - name
-    - type
-    type: object
-  model.CreatePushEventRequest:
-    properties:
-      channels:
-        items:
-          type: string
-        type: array
-      enabled:
-        type: boolean
-      event_key:
-        type: string
-      targets:
-        items:
-          type: string
-        type: array
-      task_type:
-        type: string
-      template:
-        type: string
-    type: object
   model.CreateScheduleRequest:
     properties:
       cron:
@@ -569,15 +720,6 @@ definitions:
       version:
         type: string
     type: object
-  model.Definition:
-    properties:
-      fields:
-        items:
-          $ref: '#/definitions/model.Field'
-        type: array
-      type:
-        type: string
-    type: object
   model.DispatchTaskRequest:
     properties:
       end_time:
@@ -619,15 +761,6 @@ definitions:
         description: '"select" 或 "exec"'
         type: string
     type: object
-  model.Field:
-    properties:
-      key:
-        type: string
-      required:
-        type: boolean
-      type:
-        type: string
-    type: object
   model.ListUsersResponse:
     properties:
       total:
@@ -679,66 +812,6 @@ definitions:
         description: 用于加载更早日志的 cursor
         type: integer
     type: object
-  model.PublicChannelDTO:
-    properties:
-      id:
-        example: "0"
-        type: string
-      name:
-        type: string
-      type:
-        type: string
-    type: object
-  model.PushChannel:
-    properties:
-      created_at:
-        type: string
-      description:
-        type: string
-      enabled:
-        type: boolean
-      id:
-        type: integer
-      name:
-        type: string
-      other:
-        type: string
-      token:
-        type: string
-      type:
-        type: string
-      updated_at:
-        type: string
-      url:
-        type: string
-    type: object
-  model.PushEvent:
-    properties:
-      channels:
-        items:
-          type: string
-        type: array
-      created_at:
-        type: string
-      enabled:
-        type: boolean
-      event_key:
-        type: string
-      id:
-        type: integer
-      name:
-        type: string
-      targets:
-        items:
-          type: string
-        type: array
-      task_type:
-        type: string
-      template:
-        type: string
-      updated_at:
-        type: string
-    type: object
   model.Schedule:
     properties:
       created_at:
@@ -910,30 +983,6 @@ definitions:
       updated_at:
         type: string
     type: object
-  model.TestPushChannelRequest:
-    properties:
-      name:
-        type: string
-      other:
-        type: string
-      target:
-        type: string
-      token:
-        type: string
-      type:
-        type: string
-      url:
-        type: string
-    type: object
-  model.TestPushRequest:
-    properties:
-      config:
-        $ref: '#/definitions/push.Config'
-      target:
-        type: string
-    required:
-    - config
-    type: object
   model.TestSMTPRequest:
     properties:
       smtp_host:
@@ -998,55 +1047,6 @@ definitions:
     - max_size_mb
     - ttl_minutes
     type: object
-  model.UpdateChannelRequest:
-    properties:
-      credentials:
-        additionalProperties:
-          type: string
-        type: object
-      enabled:
-        type: boolean
-      extra:
-        additionalProperties:
-          type: string
-        type: object
-      name:
-        type: string
-    type: object
-  model.UpdatePushChannelRequest:
-    properties:
-      description:
-        type: string
-      enabled:
-        type: boolean
-      other:
-        type: string
-      token:
-        type: string
-      type:
-        type: string
-      url:
-        type: string
-    required:
-    - type
-    type: object
-  model.UpdatePushEventRequest:
-    properties:
-      channels:
-        items:
-          type: string
-        type: array
-      enabled:
-        type: boolean
-      targets:
-        items:
-          type: string
-        type: array
-      template:
-        type: string
-    required:
-    - template
-    type: object
   model.UpdateScheduleRequest:
     properties:
       cron:
@@ -1269,6 +1269,9 @@ definitions:
       key:
         description: AppID 或 SMTP 用户名
         type: string
+      other:
+        description: 附加配置 (如 ChatID / UserKey / 扩展 JSON)
+        type: string
       secret:
         description: 签名密钥或 SMTP 密码/Token
         type: string
@@ -2006,7 +2009,7 @@ paths:
             - properties:
                 data:
                   items:
-                    $ref: '#/definitions/model.ChannelDTO'
+                    $ref: '#/definitions/do.ChannelDTO'
                   type: array
               type: object
       security:
@@ -2024,7 +2027,7 @@ paths:
         name: request
         required: true
         schema:
-          $ref: '#/definitions/model.CreateChannelRequest'
+          $ref: '#/definitions/do.CreateChannelRequest'
       produces:
       - application/json
       responses:
@@ -2035,7 +2038,7 @@ paths:
             - $ref: '#/definitions/response.Any'
             - properties:
                 data:
-                  $ref: '#/definitions/model.ChannelDTO'
+                  $ref: '#/definitions/do.ChannelDTO'
               type: object
         "400":
           description: Bad Request
@@ -2086,7 +2089,7 @@ paths:
         name: request
         required: true
         schema:
-          $ref: '#/definitions/model.UpdateChannelRequest'
+          $ref: '#/definitions/do.UpdateChannelRequest'
       produces:
       - application/json
       responses:
@@ -2097,7 +2100,7 @@ paths:
             - $ref: '#/definitions/response.Any'
             - properties:
                 data:
-                  $ref: '#/definitions/model.ChannelDTO'
+                  $ref: '#/definitions/do.ChannelDTO'
               type: object
         "400":
           description: Bad Request
@@ -2155,7 +2158,7 @@ paths:
             - properties:
                 data:
                   items:
-                    $ref: '#/definitions/model.Definition'
+                    $ref: '#/definitions/do.Definition'
                   type: array
               type: object
       security:
@@ -2177,7 +2180,7 @@ paths:
             - properties:
                 data:
                   items:
-                    $ref: '#/definitions/model.PushChannel'
+                    $ref: '#/definitions/entity.PushChannel'
                   type: array
               type: object
       security:
@@ -2195,7 +2198,7 @@ paths:
         name: request
         required: true
         schema:
-          $ref: '#/definitions/model.CreatePushChannelRequest'
+          $ref: '#/definitions/do.CreatePushChannelRequest'
       produces:
       - application/json
       responses:
@@ -2206,7 +2209,7 @@ paths:
             - $ref: '#/definitions/response.Any'
             - properties:
                 data:
-                  $ref: '#/definitions/model.PushChannel'
+                  $ref: '#/definitions/entity.PushChannel'
               type: object
       security:
       - SessionCookie: []
@@ -2251,7 +2254,7 @@ paths:
         name: request
         required: true
         schema:
-          $ref: '#/definitions/model.UpdatePushChannelRequest'
+          $ref: '#/definitions/do.UpdatePushChannelRequest'
       produces:
       - application/json
       responses:
@@ -2262,7 +2265,7 @@ paths:
             - $ref: '#/definitions/response.Any'
             - properties:
                 data:
-                  $ref: '#/definitions/model.PushChannel'
+                  $ref: '#/definitions/entity.PushChannel'
               type: object
       security:
       - SessionCookie: []
@@ -2295,7 +2298,7 @@ paths:
         name: request
         required: true
         schema:
-          $ref: '#/definitions/model.TestPushChannelRequest'
+          $ref: '#/definitions/do.TestPushChannelRequest'
       produces:
       - application/json
       responses:
@@ -2322,7 +2325,7 @@ paths:
             - properties:
                 data:
                   items:
-                    $ref: '#/definitions/model.PushEvent'
+                    $ref: '#/definitions/entity.PushEvent'
                   type: array
               type: object
       security:
@@ -2340,7 +2343,7 @@ paths:
         name: request
         required: true
         schema:
-          $ref: '#/definitions/model.CreatePushEventRequest'
+          $ref: '#/definitions/do.CreatePushEventRequest'
       produces:
       - application/json
       responses:
@@ -2351,7 +2354,7 @@ paths:
             - $ref: '#/definitions/response.Any'
             - properties:
                 data:
-                  $ref: '#/definitions/model.PushEvent'
+                  $ref: '#/definitions/entity.PushEvent'
               type: object
       security:
       - SessionCookie: []
@@ -2399,7 +2402,7 @@ paths:
         name: request
         required: true
         schema:
-          $ref: '#/definitions/model.UpdatePushEventRequest'
+          $ref: '#/definitions/do.UpdatePushEventRequest'
       produces:
       - application/json
       responses:
@@ -2501,7 +2504,7 @@ paths:
         name: request
         required: true
         schema:
-          $ref: '#/definitions/model.TestPushRequest'
+          $ref: '#/definitions/do.TestPushRequest'
       produces:
       - application/json
       responses:
@@ -4141,7 +4144,7 @@ paths:
             - properties:
                 data:
                   items:
-                    $ref: '#/definitions/model.BindingDTO'
+                    $ref: '#/definitions/do.BindingDTO'
                   type: array
               type: object
         "401":
@@ -4164,7 +4167,7 @@ paths:
         name: request
         required: true
         schema:
-          $ref: '#/definitions/model.BindRequest'
+          $ref: '#/definitions/do.BindRequest'
       produces:
       - application/json
       responses:
@@ -4175,7 +4178,7 @@ paths:
             - $ref: '#/definitions/response.Any'
             - properties:
                 data:
-                  $ref: '#/definitions/model.BindingDTO'
+                  $ref: '#/definitions/do.BindingDTO'
               type: object
         "400":
           description: Bad Request
@@ -4233,7 +4236,7 @@ paths:
             - properties:
                 data:
                   items:
-                    $ref: '#/definitions/model.PublicChannelDTO'
+                    $ref: '#/definitions/do.PublicChannelDTO'
                   type: array
               type: object
         "401":

backend/plugins/domain/auth_dependency_ordering_test.go

@@ -19,7 +19,7 @@ import (
 	"Wavelet/core/contracts"
 	"Wavelet/core/extpoints"
 	"Wavelet/plugins/domain/admin"
-	"Wavelet/plugins/domain/message_gateway"
+	"Wavelet/plugins/domain/msg_gateway"
 	"Wavelet/plugins/domain/user"
 )
 
@@ -122,7 +122,7 @@ func TestRoutesMountedBeforeAuthServiceAreGuarded(t *testing.T) {
 		core.WithPlugins(
 			dbProvider(),
 			user.New(),
-			message_gateway.New(),
+			msg_gateway.New(),
 			authProvider(),
 		),
 	)
@@ -147,7 +147,7 @@ func TestAuthConsumersDeclareAuthDependency(t *testing.T) {
 		deps []reflect.Type
 	}{
 		{"user", user.New().Inject()},
-		{"message_gateway", message_gateway.New().Inject()},
+		{"msg_gateway", msg_gateway.New().Inject()},
 	} {
 		t.Run(tc.name, func(t *testing.T) {
 			assert.Contains(t, tc.deps, want,
@@ -194,7 +194,7 @@ func TestAuthGuardFailsClosed(t *testing.T) {
 		prefix string
 	}{
 		{"user", user.New().Apply, http.MethodPost, "/api/v1/user/change-password"},
-		{"message_gateway", message_gateway.New().Apply, http.MethodGet, "/api/v1/message-gateway"},
+		{"msg_gateway", msg_gateway.New().Apply, http.MethodGet, "/api/v1/message-gateway"},
 		{"admin", admin.New().Apply, http.MethodGet, "/api/v1/admin"},
 	}
 

backend/plugins/domain/domain_test.go

@@ -9,7 +9,7 @@ import (
 	"Wavelet/pkg/idgen"
 	"Wavelet/plugins/domain/admin"
 	"Wavelet/plugins/domain/auth"
-	"Wavelet/plugins/domain/message_gateway"
+	"Wavelet/plugins/domain/msg_gateway"
 	"Wavelet/plugins/domain/risk_control"
 	"Wavelet/plugins/domain/system"
 	"Wavelet/plugins/domain/user"
@@ -47,13 +47,13 @@ func setupTestDB(t *testing.T) *gorm.DB {
 		&user.AccessToken{},
 		&auth.AuthSource{},
 		&auth.ExternalAccount{},
-		&message_gateway.MessageChannel{},
-		&message_gateway.MessageBinding{},
-		&message_gateway.MessagePairingCode{},
+		&msg_gateway.MessageChannel{},
+		&msg_gateway.MessageBinding{},
+		&msg_gateway.MessagePairingCode{},
 		&admin.SystemConfig{},
-		&message_gateway.PushChannel{},
-		&message_gateway.PushEvent{},
-		&message_gateway.PushHistory{},
+		&msg_gateway.PushChannel{},
+		&msg_gateway.PushEvent{},
+		&msg_gateway.PushHistory{},
 	))
 
 	db.SetDB(testDB)
@@ -262,15 +262,15 @@ func TestMessageGatewayPlugin(t *testing.T) {
 	require.NoError(t, cache.New().Apply(ctx))
 	require.NoError(t, logger.New().Apply(ctx))
 
-	p := message_gateway.New()
-	assert.Equal(t, "message_gateway", p.Name())
-	assert.Equal(t, "message_gateway", p.Manifest().Name)
+	p := msg_gateway.New()
+	assert.Equal(t, "msg_gateway", p.Name())
+	assert.Equal(t, "msg_gateway", p.Manifest().Name)
 	require.NoError(t, p.Apply(ctx))
 
 	// 1. Migrations
-	entry, ok := ctx.Migrations().Get("message_gateway")
+	entry, ok := ctx.Migrations().Get("msg_gateway")
 	require.True(t, ok)
-	assert.Equal(t, "message_gateway", entry.PluginID)
+	assert.Equal(t, "msg_gateway", entry.PluginID)
 
 	// 2. Routes
 	routes := ctx.Router().Routes()
@@ -287,24 +287,24 @@ func TestMessageGatewayPlugin(t *testing.T) {
 	assert.True(t, hasBindings)
 
 	// 3. Tasks & Schedules
-	taskDef, ok := ctx.Tasks().Get("message_gateway:push_notification")
+	taskDef, ok := ctx.Tasks().Get("msg_gateway:push_notification")
 	require.True(t, ok)
 	assert.Equal(t, 3, taskDef.Retry)
 
-	schedDef, ok := ctx.Schedules().Get("message_gateway:cleanup_pairing_codes")
+	schedDef, ok := ctx.Schedules().Get("msg_gateway:cleanup_pairing_codes")
 	require.True(t, ok)
 	assert.Equal(t, "*/10 * * * *", schedDef.Spec)
 
 	// 4. EventBus Trigger
-	var receivedEvent message_gateway.PushNotificationEvent
+	var receivedEvent msg_gateway.PushNotificationEvent
 	var eventFired bool
-	ctx.Events().On("notification:push", func(c context.Context, e message_gateway.PushNotificationEvent) error {
+	ctx.Events().On("notification:push", func(c context.Context, e msg_gateway.PushNotificationEvent) error {
 		eventFired = true
 		receivedEvent = e
 		return nil
 	})
 
-	err := ctx.Events().Emit(context.Background(), "notification:push", message_gateway.PushNotificationEvent{
+	err := ctx.Events().Emit(context.Background(), "notification:push", msg_gateway.PushNotificationEvent{
 		UserID:  99,
 		Channel: "telegram",
 		Title:   "System Alert",
@@ -317,7 +317,7 @@ func TestMessageGatewayPlugin(t *testing.T) {
 	assert.Equal(t, "System Alert", receivedEvent.Title)
 
 	// 5. Settings
-	schema, ok := ctx.Settings().Get("message_gateway.pairing_code_expiry_minutes")
+	schema, ok := ctx.Settings().Get("msg_gateway.pairing_code_expiry_minutes")
 	require.True(t, ok)
 	assert.Equal(t, 15, schema.Default)
 }
@@ -480,7 +480,7 @@ func TestAllDomainPluginsCombined(t *testing.T) {
 	// Apply Domain plugins
 	require.NoError(t, auth.New().Apply(ctx))
 	require.NoError(t, user.New().Apply(ctx))
-	require.NoError(t, message_gateway.New().Apply(ctx))
+	require.NoError(t, msg_gateway.New().Apply(ctx))
 	require.NoError(t, risk_control.New().Apply(ctx))
 	require.NoError(t, admin.New().Apply(ctx))
 

backend/plugins/domain/message_gateway/model/admin.go

@@ -1,46 +0,0 @@
-// Copyright 2026 Arctel.net
-// SPDX-License-Identifier: Apache-2.0
-
-package model
-
-// Field is one admin form field.
-type Field struct {
-	Key      string `json:"key"`
-	Type     string `json:"type"`
-	Required bool   `json:"required"`
-}
-
-// Definition describes a channel type form.
-type Definition struct {
-	Type   string  `json:"type"`
-	Fields []Field `json:"fields"`
-}
-
-// ChannelDTO represents a channel for admin consumption.
-type ChannelDTO struct {
-	ID          uint64            `json:"id,string"`
-	Name        string            `json:"name"`
-	Type        string            `json:"type"`
-	OwnerScope  string            `json:"owner_scope"`
-	OwnerID     *uint64           `json:"owner_id,string,omitempty"`
-	Enabled     bool              `json:"enabled"`
-	Credentials map[string]string `json:"credentials"`
-	Extra       map[string]string `json:"extra"`
-}
-
-// CreateChannelRequest is admin create payload.
-type CreateChannelRequest struct {
-	Name        string            `json:"name"`
-	Type        string            `json:"type"`
-	Enabled     *bool             `json:"enabled"`
-	Credentials map[string]string `json:"credentials"`
-	Extra       map[string]string `json:"extra"`
-}
-
-// UpdateChannelRequest is admin update payload.
-type UpdateChannelRequest struct {
-	Name        string            `json:"name"`
-	Enabled     *bool             `json:"enabled"`
-	Credentials map[string]string `json:"credentials"`
-	Extra       map[string]string `json:"extra"`
-}

backend/plugins/domain/message_gateway/model/models.go

@@ -1,242 +0,0 @@
-// Copyright 2026 Arctel.net
-// SPDX-License-Identifier: Apache-2.0
-
-// Package model defines the domain entities, DTOs, and schemas for message_gateway.
-package model
-
-import (
-	"Wavelet/plugins/domain/message_gateway/errs"
-	"errors"
-	"strings"
-	"time"
-)
-
-// Channel type and scope constants.
-const (
-	ChannelTypeTelegram        = "telegram"
-	ChannelTypeQQ              = "qq"
-	MessageChannelTypeTelegram = "telegram"
-	MessageChannelTypeQQ       = "qq"
-	MessageOwnerScopeSystem    = "system"
-
-	TypeCustom   = "custom"
-	TypeEmail    = "email"
-	TypeTelegram = "telegram"
-)
-
-// Capability describes what an adapter can send and receive.
-type Capability struct {
-	Text  bool
-	Image bool
-	File  bool
-	Reply bool
-	Group bool
-}
-
-// ChannelConfig is the decrypted runtime config passed to a factory.
-type ChannelConfig struct {
-	ID          uint64
-	Type        string
-	Name        string
-	Credentials map[string]string
-	Extra       map[string]string
-}
-
-// Recipient is the outbound destination on a platform.
-type Recipient struct {
-	ChatID         string
-	PlatformUserID string
-}
-
-// Attachment is a downloaded inbound file sitting on local disk.
-type Attachment struct {
-	Path     string
-	FileName string
-	MIME     string
-	Error    string
-}
-
-// InboundMessage is a normalized private-chat message.
-type InboundMessage struct {
-	ChannelID      uint64
-	ChannelType    string
-	PlatformUserID string
-	ChatID         string
-	MessageID      string
-	Text           string
-	Attachments    []Attachment
-	BindingUserID  *uint64
-}
-
-// OutboundMessage is a reply or probe send.
-type OutboundMessage struct {
-	Text        string
-	ReplyToID   string
-	Attachments []Attachment
-}
-
-// MessageChannel is an admin-configured messaging adapter.
-type MessageChannel struct {
-	ID          uint64    `json:"id" gorm:"primaryKey;autoIncrement"`
-	Type        string    `json:"type" gorm:"size:32;not null"`
-	Name        string    `json:"name" gorm:"size:64;not null"`
-	OwnerScope  string    `json:"owner_scope" gorm:"size:32;not null;default:'system'"`
-	OwnerID     *uint64   `json:"owner_id,omitempty"`
-	Credentials string    `json:"credentials" gorm:"type:text;not null"`
-	Extra       string    `json:"extra" gorm:"type:text"`
-	Enabled     bool      `json:"enabled" gorm:"default:false;not null"`
-	CreatedAt   time.Time `json:"created_at" gorm:"autoCreateTime"`
-	UpdatedAt   time.Time `json:"updated_at" gorm:"autoUpdateTime"`
-}
-
-// TableName 表名
-func (MessageChannel) TableName() string {
-	return "w_message_channels"
-}
-
-// MessageBinding maps a platform user to a Wavelet user on one channel.
-type MessageBinding struct {
-	ID             uint64    `json:"id" gorm:"primaryKey;autoIncrement"`
-	ChannelID      uint64    `json:"channel_id" gorm:"not null;index"`
-	PlatformUserID string    `json:"platform_user_id" gorm:"size:128;not null;index"`
-	UserID         uint64    `json:"user_id" gorm:"not null;index"`
-	CreatedAt      time.Time `json:"created_at" gorm:"autoCreateTime"`
-}
-
-// TableName 表名
-func (MessageBinding) TableName() string {
-	return "w_message_bindings"
-}
-
-// MessagePairingCode is a one-time bind code.
-type MessagePairingCode struct {
-	ID             uint64    `json:"id" gorm:"primaryKey;autoIncrement"`
-	Code           string    `json:"code" gorm:"size:32;uniqueIndex;not null"`
-	ChannelID      uint64    `json:"channel_id" gorm:"not null;index"`
-	PlatformUserID string    `json:"platform_user_id" gorm:"size:128;not null;index"`
-	UserID         uint64    `json:"user_id" gorm:"not null;index"`
-	ExpiresAt      time.Time `json:"expires_at" gorm:"not null;index"`
-	CreatedAt      time.Time `json:"created_at" gorm:"autoCreateTime"`
-}
-
-// TableName 表名
-func (MessagePairingCode) TableName() string {
-	return "w_message_pairing_codes"
-}
-
-// PushChannel 消息通道模型
-type PushChannel struct {
-	ID          uint64    `json:"id" gorm:"primaryKey;autoIncrement"`
-	Name        string    `json:"name" gorm:"size:100;not null"`
-	Description string    `json:"description" gorm:"size:255"`
-	Type        string    `json:"type" gorm:"size:50;not null;index"`
-	URL         string    `json:"url" gorm:"type:text"`
-	Token       string    `json:"token" gorm:"type:text"`
-	Other       string    `json:"other" gorm:"type:text"`
-	Enabled     bool      `json:"enabled" gorm:"index;not null;default:true"`
-	CreatedAt   time.Time `json:"created_at" gorm:"autoCreateTime;index"`
-	UpdatedAt   time.Time `json:"updated_at" gorm:"autoUpdateTime;index"`
-}
-
-// TableName 指定 GORM 表名
-func (PushChannel) TableName() string {
-	return "w_push_channels"
-}
-
-// Validate 验证与标准化字段
-func (c *PushChannel) Validate() error {
-	c.Name = strings.TrimSpace(c.Name)
-	if c.Name == "" {
-		return errors.New(errs.ErrChannelNameRequired)
-	}
-	c.Type = strings.TrimSpace(c.Type)
-	if c.Type == "" {
-		return errors.New(errs.ErrChannelTypeRequired)
-	}
-	return nil
-}
-
-// PushEvent 系统通知事件模型
-type PushEvent struct {
-	ID        uint64    `json:"id" gorm:"primaryKey;autoIncrement"`
-	EventKey  string    `json:"event_key" gorm:"uniqueIndex;size:80;not null"`
-	Name      string    `json:"name" gorm:"size:100;not null"`
-	TaskType  string    `json:"task_type" gorm:"size:100;index;not null;default:''"`
-	Channels  []string  `json:"channels" gorm:"type:text;serializer:json;not null"`
-	Targets   []string  `json:"targets" gorm:"type:text;serializer:json;not null"`
-	Template  string    `json:"template" gorm:"type:text;not null"`
-	Enabled   bool      `json:"enabled" gorm:"index;not null;default:false"`
-	CreatedAt time.Time `json:"created_at" gorm:"autoCreateTime;index"`
-	UpdatedAt time.Time `json:"updated_at" gorm:"autoUpdateTime;index"`
-}
-
-// TableName 指定 GORM 表名
-func (PushEvent) TableName() string {
-	return "w_push_events"
-}
-
-// Validate 验证 PushEvent 实体字段
-func (e *PushEvent) Validate() error {
-	e.EventKey = strings.TrimSpace(e.EventKey)
-	if e.EventKey == "" {
-		return errors.New(errs.ErrEventKeyRequired)
-	}
-	e.Name = strings.TrimSpace(e.Name)
-	if e.Name == "" {
-		return errors.New(errs.ErrNameRequired)
-	}
-	return nil
-}
-
-// PushHistory 推送日志/历史实体
-type PushHistory struct {
-	ID        uint64    `json:"id" gorm:"primaryKey;autoIncrement"`
-	EventKey  string    `json:"event_key" gorm:"size:80;not null;index"`
-	Channel   string    `json:"channel" gorm:"size:50;not null;index"`
-	Target    string    `json:"target" gorm:"size:255;not null"`
-	Title     string    `json:"title" gorm:"size:255;not null"`
-	Content   string    `json:"content" gorm:"type:text;not null"`
-	Level     string    `json:"level" gorm:"size:20;not null;default:'INFO'"`
-	Status    string    `json:"status" gorm:"size:20;not null;index"`
-	ErrorMsg  string    `json:"error_msg" gorm:"type:text"`
-	Payload   string    `json:"payload" gorm:"type:text"`
-	CreatedAt time.Time `json:"created_at" gorm:"autoCreateTime;index"`
-}
-
-// TableName 指定 GORM 表名
-func (PushHistory) TableName() string {
-	return "w_push_histories"
-}
-
-// BindRequest is the user bind body.
-type BindRequest struct {
-	ChannelID string `json:"channel_id"`
-	Code      string `json:"code"`
-}
-
-// BindingDTO is a user-facing binding row.
-type BindingDTO struct {
-	ID             uint64    `json:"id,string"`
-	UserID         uint64    `json:"user_id,string"`
-	ChannelID      uint64    `json:"channel_id,string"`
-	ChannelName    string    `json:"channel_name"`
-	ChannelType    string    `json:"channel_type"`
-	PlatformUserID string    `json:"platform_user_id"`
-	CreatedAt      time.Time `json:"created_at"`
-}
-
-// PublicChannelDTO is an enabled channel a user can bind to.
-type PublicChannelDTO struct {
-	ID   uint64 `json:"id,string"`
-	Name string `json:"name"`
-	Type string `json:"type"`
-}
-
-// PushNotificationEvent defines the payload for eventbus notification trigger.
-type PushNotificationEvent struct {
-	UserID   uint64         `json:"user_id"`
-	Channel  string         `json:"channel"`
-	Title    string         `json:"title"`
-	Content  string         `json:"content"`
-	Metadata map[string]any `json:"metadata,omitempty"`
-}

backend/plugins/domain/msg_gateway/channels/qq/adapter.go

@@ -7,8 +7,9 @@ package qq
 import (
 	"Wavelet/pkg/logger"
 	"Wavelet/pkg/util"
-	"Wavelet/plugins/domain/message_gateway/model"
-	"Wavelet/plugins/domain/message_gateway/service"
+	"Wavelet/plugins/domain/msg_gateway/consts"
+	"Wavelet/plugins/domain/msg_gateway/model/do"
+	"Wavelet/plugins/domain/msg_gateway/service"
 	"context"
 	"fmt"
 	"strings"
@@ -33,7 +34,7 @@ type qqEvent struct {
 
 // Adapter is an official QQ Bot C2C channel.
 type Adapter struct {
-	cfg          model.ChannelConfig
+	cfg          do.ChannelConfig
 	onInbound    service.Handler
 	api          openapi.OpenAPI
 	tokenSrc     oauth2.TokenSource
@@ -43,7 +44,7 @@ type Adapter struct {
 }
 
 // New constructs a QQ adapter.
-func New(cfg model.ChannelConfig, onInbound service.Handler) (service.Channel, error) {
+func New(cfg do.ChannelConfig, onInbound service.Handler) (service.Channel, error) {
 	if strings.TrimSpace(cfg.Credentials["app_id"]) == "" || strings.TrimSpace(cfg.Credentials["app_secret"]) == "" {
 		return nil, fmt.Errorf("qq: app_id and app_secret are required")
 	}
@@ -51,11 +52,11 @@ func New(cfg model.ChannelConfig, onInbound service.Handler) (service.Channel, e
 }
 
 // Type returns qq.
-func (a *Adapter) Type() string { return model.ChannelTypeQQ }
+func (a *Adapter) Type() string { return consts.ChannelTypeQQ }
 
 // Capabilities reports C2C text/media support.
-func (a *Adapter) Capabilities() model.Capability {
-	return model.Capability{Text: true, Image: true, File: true, Reply: true}
+func (a *Adapter) Capabilities() do.Capability {
+	return do.Capability{Text: true, Image: true, File: true, Reply: true}
 }
 
 // Connect starts the official WebSocket session (C2C intent).
@@ -128,7 +129,7 @@ func (a *Adapter) Disconnect(_ context.Context) error {
 }
 
 // Send posts a C2C text reply.
-func (a *Adapter) Send(ctx context.Context, to model.Recipient, msg model.OutboundMessage) error {
+func (a *Adapter) Send(ctx context.Context, to do.Recipient, msg do.OutboundMessage) error {
 	a.mu.Lock()
 	api := a.api
 	a.mu.Unlock()
@@ -152,9 +153,9 @@ func (a *Adapter) handleEvent(ctx context.Context, ev qqEvent) {
 	if disconnected || a.onInbound == nil {
 		return
 	}
-	_ = a.onInbound(ctx, model.InboundMessage{
+	_ = a.onInbound(ctx, do.InboundMessage{
 		ChannelID:      a.cfg.ID,
-		ChannelType:    model.ChannelTypeQQ,
+		ChannelType:    consts.ChannelTypeQQ,
 		PlatformUserID: ev.UserID,
 		ChatID:         ev.UserID,
 		MessageID:      ev.MessageID,

backend/plugins/domain/msg_gateway/channels/qq/adapter_test.go

@@ -4,14 +4,14 @@
 package qq
 
 import (
-	"Wavelet/plugins/domain/message_gateway/model"
+	"Wavelet/plugins/domain/msg_gateway/model/do"
 	"context"
 	"testing"
 )
 
 func TestHandleEvent_DropsNonC2C(t *testing.T) {
 	var got int
-	a := &Adapter{onInbound: func(ctx context.Context, msg model.InboundMessage) error {
+	a := &Adapter{onInbound: func(_ context.Context, _ do.InboundMessage) error {
 		got++
 		return nil
 	}}
@@ -22,8 +22,8 @@ func TestHandleEvent_DropsNonC2C(t *testing.T) {
 }
 
 func TestHandleEvent_C2CText(t *testing.T) {
-	var got model.InboundMessage
-	a := &Adapter{cfg: model.ChannelConfig{ID: 3}, onInbound: func(ctx context.Context, msg model.InboundMessage) error {
+	var got do.InboundMessage
+	a := &Adapter{cfg: do.ChannelConfig{ID: 3}, onInbound: func(_ context.Context, msg do.InboundMessage) error {
 		got = msg
 		return nil
 	}}
@@ -34,7 +34,7 @@ func TestHandleEvent_C2CText(t *testing.T) {
 }
 
 func TestNew_RequiresCreds(t *testing.T) {
-	_, err := New(model.ChannelConfig{}, nil)
+	_, err := New(do.ChannelConfig{}, nil)
 	if err == nil {
 		t.Fatal("expected error")
 	}

backend/plugins/domain/msg_gateway/channels/telegram/adapter.go

@@ -7,8 +7,9 @@ package telegram
 import (
 	"Wavelet/pkg/logger"
 	"Wavelet/pkg/util"
-	"Wavelet/plugins/domain/message_gateway/model"
-	"Wavelet/plugins/domain/message_gateway/service"
+	"Wavelet/plugins/domain/msg_gateway/consts"
+	"Wavelet/plugins/domain/msg_gateway/model/do"
+	"Wavelet/plugins/domain/msg_gateway/service"
 	"context"
 	"fmt"
 	"os"
@@ -22,13 +23,13 @@ import (
 
 // Adapter is a Telegram private-chat channel.
 type Adapter struct {
-	cfg       model.ChannelConfig
+	cfg       do.ChannelConfig
 	onInbound service.Handler
 	bot       *tele.Bot
 }
 
 // New constructs a Telegram adapter. Call service.Register from the runner.
-func New(cfg model.ChannelConfig, onInbound service.Handler) (service.Channel, error) {
+func New(cfg do.ChannelConfig, onInbound service.Handler) (service.Channel, error) {
 	if strings.TrimSpace(cfg.Credentials["bot_token"]) == "" {
 		return nil, fmt.Errorf("telegram: bot_token is required")
 	}
@@ -36,11 +37,11 @@ func New(cfg model.ChannelConfig, onInbound service.Handler) (service.Channel, e
 }
 
 // Type returns telegram.
-func (a *Adapter) Type() string { return model.ChannelTypeTelegram }
+func (a *Adapter) Type() string { return consts.ChannelTypeTelegram }
 
 // Capabilities reports private-chat media support.
-func (a *Adapter) Capabilities() model.Capability {
-	return model.Capability{Text: true, Image: true, File: true, Reply: true}
+func (a *Adapter) Capabilities() do.Capability {
+	return do.Capability{Text: true, Image: true, File: true, Reply: true}
 }
 
 // longPollWindow is how long Telegram may hold a getUpdates call open before
@@ -50,7 +51,7 @@ func (a *Adapter) Capabilities() model.Capability {
 const longPollWindow = 10 * time.Second
 
 // buildTeleSettings assembles the telebot settings.
-func buildTeleSettings(cfg model.ChannelConfig) tele.Settings {
+func buildTeleSettings(cfg do.ChannelConfig) tele.Settings {
 	pref := tele.Settings{
 		Token:  cfg.Credentials["bot_token"],
 		Poller: &tele.LongPoller{Timeout: longPollWindow},
@@ -99,7 +100,7 @@ func (a *Adapter) Disconnect(_ context.Context) error {
 }
 
 // Send replies to a private chat.
-func (a *Adapter) Send(_ context.Context, to model.Recipient, msg model.OutboundMessage) error {
+func (a *Adapter) Send(_ context.Context, to do.Recipient, msg do.OutboundMessage) error {
 	if a.bot == nil {
 		return fmt.Errorf("telegram: not connected")
 	}
@@ -118,9 +119,9 @@ func (a *Adapter) handleTeleMessage(ctx context.Context, m *tele.Message) {
 	if a.onInbound == nil {
 		return
 	}
-	msg := model.InboundMessage{
+	msg := do.InboundMessage{
 		ChannelID:      a.cfg.ID,
-		ChannelType:    model.ChannelTypeTelegram,
+		ChannelType:    consts.ChannelTypeTelegram,
 		PlatformUserID: strconv.FormatInt(m.Sender.ID, 10),
 		ChatID:         strconv.FormatInt(m.Chat.ID, 10),
 		MessageID:      strconv.Itoa(m.ID),
@@ -146,7 +147,7 @@ func (a *Adapter) handleTeleMessage(ctx context.Context, m *tele.Message) {
 // downloadMedia fetches message media into a scratch directory, returned so the
 // caller can remove it once the inbound handler no longer needs the paths.
 // An empty dir means nothing was downloaded.
-func (a *Adapter) downloadMedia(m *tele.Message) (string, []model.Attachment) {
+func (a *Adapter) downloadMedia(m *tele.Message) (string, []do.Attachment) {
 	var files []*tele.File
 	var names []string
 	if m.Photo != nil {
@@ -166,16 +167,16 @@ func (a *Adapter) downloadMedia(m *tele.Message) (string, []model.Attachment) {
 	}
 	dir, err := os.MkdirTemp("", "wg-tg-*")
 	if err != nil {
-		return "", []model.Attachment{{Error: err.Error()}}
+		return "", []do.Attachment{{Error: err.Error()}}
 	}
-	out := make([]model.Attachment, 0, len(files))
+	out := make([]do.Attachment, 0, len(files))
 	for i, f := range files {
 		path := filepath.Join(dir, names[i])
 		if err := a.bot.Download(f, path); err != nil {
-			out = append(out, model.Attachment{FileName: names[i], Error: err.Error()})
+			out = append(out, do.Attachment{FileName: names[i], Error: err.Error()})
 			continue
 		}
-		out = append(out, model.Attachment{Path: path, FileName: names[i]})
+		out = append(out, do.Attachment{Path: path, FileName: names[i]})
 	}
 	return dir, out
 }

backend/plugins/domain/msg_gateway/channels/telegram/adapter_test.go

@@ -4,7 +4,7 @@
 package telegram
 
 import (
-	"Wavelet/plugins/domain/message_gateway/model"
+	"Wavelet/plugins/domain/msg_gateway/model/do"
 	"context"
 	"testing"
 	"time"
@@ -16,7 +16,7 @@ import (
 // telebot 以 int(timeout/time.Second) 下发给 getUpdates。写成裸整数会被解释为
 // 纳秒，令 timeout=0，长轮询退化为对 Bot API 的空转轮询。
 func TestBuildTeleSettingsLongPollWindow(t *testing.T) {
-	pref := buildTeleSettings(model.ChannelConfig{
+	pref := buildTeleSettings(do.ChannelConfig{
 		Credentials: map[string]string{"bot_token": "token"},
 		Extra:       map[string]string{"base_url": "https://tg.example.com/api/"},
 	})
@@ -35,7 +35,7 @@ func TestBuildTeleSettingsLongPollWindow(t *testing.T) {
 
 func TestHandleUpdate_DropsGroups(t *testing.T) {
 	var got int
-	a := &Adapter{onInbound: func(ctx context.Context, msg model.InboundMessage) error {
+	a := &Adapter{onInbound: func(_ context.Context, _ do.InboundMessage) error {
 		got++
 		return nil
 	}}
@@ -51,10 +51,10 @@ func TestHandleUpdate_DropsGroups(t *testing.T) {
 }
 
 func TestHandleUpdate_PrivateText(t *testing.T) {
-	var got model.InboundMessage
+	var got do.InboundMessage
 	a := &Adapter{
-		cfg: model.ChannelConfig{ID: 7, Type: "telegram"},
-		onInbound: func(ctx context.Context, msg model.InboundMessage) error {
+		cfg: do.ChannelConfig{ID: 7, Type: "telegram"},
+		onInbound: func(_ context.Context, msg do.InboundMessage) error {
 			got = msg
 			return nil
 		},
@@ -71,7 +71,7 @@ func TestHandleUpdate_PrivateText(t *testing.T) {
 }
 
 func TestNew_RequiresToken(t *testing.T) {
-	_, err := New(model.ChannelConfig{}, nil)
+	_, err := New(do.ChannelConfig{}, nil)
 	if err == nil {
 		t.Fatal("expected error")
 	}

backend/plugins/domain/msg_gateway/consts/consts.go

@@ -1,12 +1,69 @@
 // Copyright 2026 Arctel.net
 // SPDX-License-Identifier: Apache-2.0
 
-// Package errs defines error sentinels and user-facing error message constants
-// for the message_gateway plugin.
-package errs
+// Package consts defines constants, sentinel errors, and user-facing error messages
+// for the msg_gateway plugin.
+package consts
 
 import "errors"
 
+// Channel type and scope constants.
+const (
+	ChannelTypeTelegram        = "telegram"
+	ChannelTypeQQ              = "qq"
+	MessageChannelTypeTelegram = "telegram"
+	MessageChannelTypeQQ       = "qq"
+	MessageOwnerScopeSystem    = "system"
+
+	TypeCustom      = "custom"
+	TypeEmail       = "email"
+	TypeTelegram    = "telegram"
+	ChannelCustom   = "custom"
+	ChannelEmail    = "email"
+	ChannelLark     = "lark"
+	ChannelDingTalk = "dingtalk"
+	ChannelTelegram = "telegram"
+	ChannelBark     = "bark"
+	ChannelDiscord  = "discord"
+	ChannelSlack    = "slack"
+	ChannelPushover = "pushover"
+
+	DefaultLevelInfo = "INFO"
+	KeyTitle         = "title"
+	KeyContent       = "content"
+	KeyLevel         = "level"
+
+	// KeyURL represents the URL field key.
+	KeyURL = "url"
+	// KeyToken represents the Token field key.
+	KeyToken = "token"
+	// KeyOther represents the Other field key.
+	KeyOther = "other"
+
+	// TypeText represents standard text input type.
+	TypeText = "text"
+	// TypePassword represents password input type.
+	TypePassword = "password"
+	// TypeTextarea represents textarea input type.
+	TypeTextarea = "textarea"
+)
+
+// Task and Schedule identifier constants.
+const (
+	TaskPushNotification     = "msg_gateway:push_notification"
+	TaskCleanupPairingCodes  = "msg_gateway:cleanup_pairing_codes"
+	TaskDispatchBotMsg       = "msg_gateway:dispatch_bot_msg"
+	TaskTypeDispatchBotMsg   = "dispatch_bot_msg"
+	SendNotificationTask     = "push:send"
+	TaskTypeSendNotification = "send_notification"
+)
+
+// Pairing code constants.
+const (
+	CodeAlphabet = "ABCDEFGHJKLMNPQRSTUVWXYZ23456789"
+	CodeLength   = 8
+)
+
 // Sentinel errors.
 var (
 	ErrCodeInvalid          = errors.New("invalid or expired pairing code")
@@ -17,11 +74,11 @@ var (
 	ErrChannelIDRequired    = errors.New("channel_id is required")
 	ErrChannelDisabled      = errors.New("channel is not enabled")
 
-	// ErrRecordNotFound maps GORM's missing-row sentinel at the repository boundary so
+	// ErrRecordNotFound maps GORM's missing-row sentinel at the DAO boundary so
 	// upper layers never import gorm. Its text matches gorm.ErrRecordNotFound verbatim.
 	ErrRecordNotFound = errors.New("record not found")
 
-	// ErrUnsupportedUserLookupField rejects a column name that the repository is not
+	// ErrUnsupportedUserLookupField rejects a column name that the DAO is not
 	// allowed to interpolate into a WHERE clause.
 	ErrUnsupportedUserLookupField = errors.New("unsupported user lookup field")
 )

backend/plugins/domain/msg_gateway/controller/admin.go

@@ -1,12 +1,12 @@
 // Copyright 2026 Arctel.net
 // SPDX-License-Identifier: Apache-2.0
 
-package handler
+package controller
 
 import (
 	"Wavelet/pkg/response"
-	"Wavelet/plugins/domain/message_gateway/errs"
-	"Wavelet/plugins/domain/message_gateway/service"
+	"Wavelet/plugins/domain/msg_gateway/consts"
+	"Wavelet/plugins/domain/msg_gateway/service"
 	"net/http"
 	"strconv"
 
@@ -19,7 +19,7 @@ import (
 // @Tags admin-message-gateway
 // @Produce json
 // @Security SessionCookie
-// @Success 200 {object} response.Any{data=[]model.Definition}
+// @Success 200 {object} response.Any{data=[]do.Definition}
 // @Router /api/v1/admin/message-gateway/channels/definitions [get]
 func ListAdminChannelDefinitions(c *gin.Context) {
 	c.JSON(http.StatusOK, response.OK(service.ListDefinitions()))
@@ -31,7 +31,7 @@ func ListAdminChannelDefinitions(c *gin.Context) {
 // @Tags admin-message-gateway
 // @Produce json
 // @Security SessionCookie
-// @Success 200 {object} response.Any{data=[]model.ChannelDTO}
+// @Success 200 {object} response.Any{data=[]do.ChannelDTO}
 // @Router /api/v1/admin/message-gateway/channels [get]
 func ListAdminChannels(c *gin.Context) {
 	rows, err := service.ListChannels(c.Request.Context())
@@ -45,14 +45,14 @@ func ListAdminChannels(c *gin.Context) {
 func parseAdminChannelID(c *gin.Context) (uint64, bool) {
 	id, err := strconv.ParseUint(c.Param("id"), 10, 64)
 	if err != nil {
-		response.AbortBadRequest(c, errs.ErrInvalidChannelID)
+		response.AbortBadRequest(c, consts.ErrInvalidChannelID)
 		return 0, false
 	}
 	return id, true
 }
 
 func handleAdminChannelError(c *gin.Context, err error, fallback func(c *gin.Context, msg string)) {
-	if err.Error() == errs.ErrChannelNotFound {
+	if err.Error() == consts.ErrChannelNotFound {
 		response.AbortNotFound(c, err.Error())
 		return
 	}
@@ -66,8 +66,8 @@ func handleAdminChannelError(c *gin.Context, err error, fallback func(c *gin.Con
 // @Accept json
 // @Produce json
 // @Security SessionCookie
-// @Param request body model.CreateChannelRequest true "create body"
-// @Success 200 {object} response.Any{data=model.ChannelDTO}
+// @Param request body do.CreateChannelRequest true "create body"
+// @Success 200 {object} response.Any{data=do.ChannelDTO}
 // @Failure 400 {object} response.Any
 // @Router /api/v1/admin/message-gateway/channels [post]
 func CreateAdminChannel(c *gin.Context) {
@@ -82,8 +82,8 @@ func CreateAdminChannel(c *gin.Context) {
 // @Produce json
 // @Security SessionCookie
 // @Param id path int true "channel id"
-// @Param request body model.UpdateChannelRequest true "update body"
-// @Success 200 {object} response.Any{data=model.ChannelDTO}
+// @Param request body do.UpdateChannelRequest true "update body"
+// @Success 200 {object} response.Any{data=do.ChannelDTO}
 // @Failure 400 {object} response.Any
 // @Failure 404 {object} response.Any
 // @Router /api/v1/admin/message-gateway/channels/{id} [patch]

backend/plugins/domain/msg_gateway/controller/push_channel.go

@@ -1,13 +1,13 @@
 // Copyright 2026 Arctel.net
 // SPDX-License-Identifier: Apache-2.0
 
-package handler
+package controller
 
 import (
 	"Wavelet/pkg/response"
-	"Wavelet/plugins/domain/message_gateway/errs"
-	"Wavelet/plugins/domain/message_gateway/model"
-	"Wavelet/plugins/domain/message_gateway/service"
+	"Wavelet/plugins/domain/msg_gateway/consts"
+	"Wavelet/plugins/domain/msg_gateway/model/do"
+	"Wavelet/plugins/domain/msg_gateway/service"
 	"errors"
 	"net/http"
 	"strconv"
@@ -24,7 +24,7 @@ import (
 // @Success 200 {object} response.Any "通道配置定义列表"
 // @Router /api/v1/admin/push/channels/definitions [get]
 func ListPushChannelDefinitions(c *gin.Context) {
-	c.JSON(http.StatusOK, response.OK(model.ListPushDefinitions()))
+	c.JSON(http.StatusOK, response.OK(do.ListPushDefinitions()))
 }
 
 // ListPushChannels 获取消息通道列表
@@ -33,7 +33,7 @@ func ListPushChannelDefinitions(c *gin.Context) {
 // @Tags admin-push
 // @Produce json
 // @Security SessionCookie
-// @Success 200 {object} response.Any{data=[]model.PushChannel} "消息通道列表"
+// @Success 200 {object} response.Any{data=[]entity.PushChannel} "消息通道列表"
 // @Router /api/v1/admin/push/channels [get]
 func ListPushChannels(c *gin.Context) {
 	channels, err := service.ListPushChannels(c.Request.Context())
@@ -48,7 +48,7 @@ func ListPushChannels(c *gin.Context) {
 func parsePushChannelID(c *gin.Context) (uint64, bool) {
 	id, err := strconv.ParseUint(c.Param("id"), 10, 64)
 	if err != nil {
-		response.AbortBadRequest(c, errs.ErrInvalidChannelID)
+		response.AbortBadRequest(c, consts.ErrInvalidChannelID)
 		return 0, false
 	}
 	return id, true
@@ -56,8 +56,8 @@ func parsePushChannelID(c *gin.Context) (uint64, bool) {
 
 // handlePushChannelNotFoundError maps a missing channel row to 404, others to fallback.
 func handlePushChannelNotFoundError(c *gin.Context, err error, fallback func(c *gin.Context, msg string)) {
-	if errors.Is(err, errs.ErrRecordNotFound) {
-		response.AbortNotFound(c, errs.ErrChannelNotFound)
+	if errors.Is(err, consts.ErrRecordNotFound) {
+		response.AbortNotFound(c, consts.ErrChannelNotFound)
 		return
 	}
 	fallback(c, err.Error())
@@ -70,8 +70,8 @@ func handlePushChannelNotFoundError(c *gin.Context, err error, fallback func(c *
 // @Accept json
 // @Produce json
 // @Security SessionCookie
-// @Param request body model.CreatePushChannelRequest true "创建参数"
-// @Success 200 {object} response.Any{data=model.PushChannel} "创建成功"
+// @Param request body do.CreatePushChannelRequest true "创建参数"
+// @Success 200 {object} response.Any{data=entity.PushChannel} "创建成功"
 // @Router /api/v1/admin/push/channels [post]
 func CreatePushChannel(c *gin.Context) {
 	handleJSONRequest(c, service.CreatePushChannel)
@@ -85,8 +85,8 @@ func CreatePushChannel(c *gin.Context) {
 // @Produce json
 // @Security SessionCookie
 // @Param id path uint64 true "通道ID"
-// @Param request body model.UpdatePushChannelRequest true "更新参数"
-// @Success 200 {object} response.Any{data=model.PushChannel} "更新成功"
+// @Param request body do.UpdatePushChannelRequest true "更新参数"
+// @Success 200 {object} response.Any{data=entity.PushChannel} "更新成功"
 // @Router /api/v1/admin/push/channels/{id} [put]
 func UpdatePushChannel(c *gin.Context) {
 	handleEntityUpdate(c, parsePushChannelID, service.UpdatePushChannel, func(c *gin.Context, err error) {
@@ -123,11 +123,11 @@ func DeletePushChannel(c *gin.Context) {
 // @Accept json
 // @Produce json
 // @Security SessionCookie
-// @Param request body model.TestPushChannelRequest true "测试参数"
+// @Param request body do.TestPushChannelRequest true "测试参数"
 // @Success 200 {object} response.Any "测试触发成功"
 // @Router /api/v1/admin/push/channels/test [post]
 func TestPushChannel(c *gin.Context) {
-	var req model.TestPushChannelRequest
+	var req do.TestPushChannelRequest
 	if err := c.ShouldBindJSON(&req); err != nil {
 		response.AbortBadRequest(c, err.Error())
 		return

backend/plugins/domain/msg_gateway/controller/push_event.go

@@ -1,13 +1,13 @@
 // Copyright 2026 Arctel.net
 // SPDX-License-Identifier: Apache-2.0
 
-package handler
+package controller
 
 import (
 	"Wavelet/pkg/response"
-	"Wavelet/plugins/domain/message_gateway/errs"
-	"Wavelet/plugins/domain/message_gateway/model"
-	"Wavelet/plugins/domain/message_gateway/service"
+	"Wavelet/plugins/domain/msg_gateway/consts"
+	"Wavelet/plugins/domain/msg_gateway/model/do"
+	"Wavelet/plugins/domain/msg_gateway/service"
 	"errors"
 	"net/http"
 	"strconv"
@@ -21,7 +21,7 @@ import (
 // @Tags admin-push
 // @Produce json
 // @Security SessionCookie
-// @Success 200 {object} response.Any{data=[]model.PushEvent} "通知事件列表"
+// @Success 200 {object} response.Any{data=[]entity.PushEvent} "通知事件列表"
 // @Router /api/v1/admin/push/events [get]
 func ListPushEvents(c *gin.Context) {
 	ctx := c.Request.Context()
@@ -49,7 +49,7 @@ func ListBuiltInPushEvents(c *gin.Context) {
 func parsePushEventID(c *gin.Context) (uint64, bool) {
 	id, err := strconv.ParseUint(c.Param("id"), 10, 64)
 	if err != nil {
-		response.AbortBadRequest(c, errs.ErrInvalidEventID)
+		response.AbortBadRequest(c, consts.ErrInvalidEventID)
 		return 0, false
 	}
 	return id, true
@@ -57,8 +57,8 @@ func parsePushEventID(c *gin.Context) (uint64, bool) {
 
 // handlePushEventNotFoundError maps a missing event row to 404, others to fallback.
 func handlePushEventNotFoundError(c *gin.Context, err error, fallback func(c *gin.Context, msg string)) {
-	if errors.Is(err, errs.ErrRecordNotFound) {
-		response.AbortNotFound(c, errs.ErrEventNotFound)
+	if errors.Is(err, consts.ErrRecordNotFound) {
+		response.AbortNotFound(c, consts.ErrEventNotFound)
 		return
 	}
 	fallback(c, err.Error())
@@ -71,8 +71,8 @@ func handlePushEventNotFoundError(c *gin.Context, err error, fallback func(c *gi
 // @Accept json
 // @Produce json
 // @Security SessionCookie
-// @Param request body model.CreatePushEventRequest true "创建参数"
-// @Success 200 {object} response.Any{data=model.PushEvent} "创建成功"
+// @Param request body do.CreatePushEventRequest true "创建参数"
+// @Success 200 {object} response.Any{data=entity.PushEvent} "创建成功"
 // @Router /api/v1/admin/push/events [post]
 func CreatePushEvent(c *gin.Context) {
 	handleJSONRequest(c, service.CreatePushEvent)
@@ -108,7 +108,7 @@ func DeletePushEvent(c *gin.Context) {
 // @Produce json
 // @Security SessionCookie
 // @Param id path int true "事件 ID"
-// @Param request body model.UpdatePushEventRequest true "更新参数"
+// @Param request body do.UpdatePushEventRequest true "更新参数"
 // @Success 200 {object} response.Any{data=string} "修改成功"
 // @Router /api/v1/admin/push/events/{id} [put]
 func UpdatePushEvent(c *gin.Context) {
@@ -117,7 +117,7 @@ func UpdatePushEvent(c *gin.Context) {
 		return
 	}
 
-	var req model.UpdatePushEventRequest
+	var req do.UpdatePushEventRequest
 	if err := c.ShouldBindJSON(&req); err != nil {
 		response.AbortBadRequest(c, err.Error())
 		return
@@ -175,8 +175,9 @@ func ListPushHistories(c *gin.Context) {
 		pageSize = 20
 	}
 
-	total, results, err := service.ListPushHistories(c.Request.Context(), model.PushHistoryListFilter{
+	total, results, err := service.ListPushHistories(c.Request.Context(), do.PushHistoryListFilter{
 		EventKey: c.Query("event_key"),
+		Channel:  c.Query("channel"),
 		Status:   c.Query("status"),
 		Page:     page,
 		PageSize: pageSize,
@@ -199,11 +200,11 @@ func ListPushHistories(c *gin.Context) {
 // @Accept json
 // @Produce json
 // @Security SessionCookie
-// @Param request body model.TestPushRequest true "测试请求体"
+// @Param request body do.TestPushRequest true "测试请求体"
 // @Success 200 {object} response.Any{data=string} "测试成功"
 // @Router /api/v1/admin/push/test [post]
 func TestPush(c *gin.Context) {
-	var req model.TestPushRequest
+	var req do.TestPushRequest
 	if err := c.ShouldBindJSON(&req); err != nil {
 		response.AbortBadRequest(c, err.Error())
 		return

backend/plugins/domain/msg_gateway/controller/router.go

@@ -1,7 +1,8 @@
 // Copyright 2026 Arctel.net
 // SPDX-License-Identifier: Apache-2.0
 
-package handler
+// Package controller provides HTTP endpoints for msg_gateway.
+package controller
 
 import (
 	"Wavelet/core/extpoints"

backend/plugins/domain/msg_gateway/controller/user.go

@@ -1,16 +1,15 @@
 // Copyright 2026 Arctel.net
 // SPDX-License-Identifier: Apache-2.0
 
-// Package handler provides HTTP endpoints for message_gateway.
-package handler
+package controller
 
 import (
 	"Wavelet/core/contracts"
 	"Wavelet/pkg/ginutil"
 	"Wavelet/pkg/response"
-	"Wavelet/plugins/domain/message_gateway/errs"
-	"Wavelet/plugins/domain/message_gateway/model"
-	"Wavelet/plugins/domain/message_gateway/service"
+	"Wavelet/plugins/domain/msg_gateway/consts"
+	"Wavelet/plugins/domain/msg_gateway/model/do"
+	"Wavelet/plugins/domain/msg_gateway/service"
 	"context"
 	"errors"
 	"net/http"
@@ -70,12 +69,12 @@ func handleEntityUpdate[Req any, Res any](
 // @Tags message-gateway
 // @Produce json
 // @Security SessionCookie
-// @Success 200 {object} response.Any{data=[]model.PublicChannelDTO}
+// @Success 200 {object} response.Any{data=[]do.PublicChannelDTO}
 // @Failure 401 {object} response.Any
 // @Router /api/v1/message-gateway/channels [get]
 func ListChannels(c *gin.Context) {
 	if user, ok := currentUser(c); !ok || user == nil {
-		response.AbortUnauthorized(c, errs.ErrLoginRequired)
+		response.AbortUnauthorized(c, consts.ErrLoginRequired)
 		return
 	}
 	rows, err := service.ListEnabledPublicChannels(c.Request.Context())
@@ -92,13 +91,13 @@ func ListChannels(c *gin.Context) {
 // @Tags message-gateway
 // @Produce json
 // @Security SessionCookie
-// @Success 200 {object} response.Any{data=[]model.BindingDTO}
+// @Success 200 {object} response.Any{data=[]do.BindingDTO}
 // @Failure 401 {object} response.Any
 // @Router /api/v1/message-gateway/bindings [get]
 func ListBindings(c *gin.Context) {
 	user, ok := currentUser(c)
 	if !ok || user == nil {
-		response.AbortUnauthorized(c, errs.ErrLoginRequired)
+		response.AbortUnauthorized(c, consts.ErrLoginRequired)
 		return
 	}
 	rows, err := service.ListUserBindings(c.Request.Context(), user.ID)
@@ -116,25 +115,25 @@ func ListBindings(c *gin.Context) {
 // @Accept json
 // @Produce json
 // @Security SessionCookie
-// @Param request body model.BindRequest true "bind body"
-// @Success 200 {object} response.Any{data=model.BindingDTO}
+// @Param request body do.BindRequest true "bind body"
+// @Success 200 {object} response.Any{data=do.BindingDTO}
 // @Failure 400 {object} response.Any
 // @Failure 409 {object} response.Any
 // @Router /api/v1/message-gateway/bindings [post]
 func BindBinding(c *gin.Context) {
 	user, ok := currentUser(c)
 	if !ok || user == nil {
-		response.AbortUnauthorized(c, errs.ErrLoginRequired)
+		response.AbortUnauthorized(c, consts.ErrLoginRequired)
 		return
 	}
-	var req model.BindRequest
+	var req do.BindRequest
 	if err := c.ShouldBindJSON(&req); err != nil {
 		response.AbortBadRequest(c, err.Error())
 		return
 	}
 	dto, err := service.BindChannel(c.Request.Context(), user.ID, req)
 	if err != nil {
-		if errors.Is(err, errs.ErrPlatformAlreadyBound) {
+		if errors.Is(err, consts.ErrPlatformAlreadyBound) {
 			response.AbortConflict(c, err.Error())
 			return
 		}
@@ -158,20 +157,20 @@ func BindBinding(c *gin.Context) {
 func UnbindBinding(c *gin.Context) {
 	user, ok := currentUser(c)
 	if !ok || user == nil {
-		response.AbortUnauthorized(c, errs.ErrLoginRequired)
+		response.AbortUnauthorized(c, consts.ErrLoginRequired)
 		return
 	}
 	id, err := strconv.ParseUint(c.Param("id"), 10, 64)
 	if err != nil {
-		response.AbortBadRequest(c, errs.ErrInvalidBindingID)
+		response.AbortBadRequest(c, consts.ErrInvalidBindingID)
 		return
 	}
 	if err := service.UnbindChannel(c.Request.Context(), user.ID, id); err != nil {
-		if errors.Is(err, errs.ErrBindingNotFound) {
+		if errors.Is(err, consts.ErrBindingNotFound) {
 			response.AbortNotFound(c, err.Error())
 			return
 		}
-		if errors.Is(err, errs.ErrBindingForbidden) {
+		if errors.Is(err, consts.ErrBindingForbidden) {
 			response.AbortForbidden(c, err.Error())
 			return
 		}

backend/plugins/domain/msg_gateway/dao/dao.go

@@ -1,15 +1,15 @@
 // Copyright 2026 Arctel.net
 // SPDX-License-Identifier: Apache-2.0
 
-// Package repository provides data persistence for the message_gateway plugin.
-package repository
+// Package dao provides database persistence and caching for the msg_gateway plugin.
+package dao
 
 import (
 	"Wavelet/core"
 	"Wavelet/core/contracts"
 	"Wavelet/pkg/idgen"
-	"Wavelet/plugins/domain/message_gateway/errs"
-	"Wavelet/plugins/domain/message_gateway/model"
+	"Wavelet/plugins/domain/msg_gateway/consts"
+	"Wavelet/plugins/domain/msg_gateway/model/entity"
 	"context"
 	"errors"
 	"sync"
@@ -53,16 +53,16 @@ func GetDB(ctx context.Context) *gorm.DB {
 }
 
 // mapNotFound translates GORM's missing-row sentinel into the plugin-level
-// errs.ErrRecordNotFound so the service and handler layers stay free of gorm imports.
+// consts.ErrRecordNotFound so the service and controller layers stay free of gorm imports.
 func mapNotFound(err error) error {
 	if errors.Is(err, gorm.ErrRecordNotFound) {
-		return errs.ErrRecordNotFound
+		return consts.ErrRecordNotFound
 	}
 	return err
 }
 
 // CreateMessageChannel inserts a channel row.
-func CreateMessageChannel(ctx context.Context, ch *model.MessageChannel) error {
+func CreateMessageChannel(ctx context.Context, ch *entity.MessageChannel) error {
 	if ch.ID == 0 {
 		ch.ID = idgen.NextUint64ID()
 	}
@@ -70,13 +70,13 @@ func CreateMessageChannel(ctx context.Context, ch *model.MessageChannel) error {
 }
 
 // UpdateMessageChannel saves a channel row.
-func UpdateMessageChannel(ctx context.Context, ch *model.MessageChannel) error {
+func UpdateMessageChannel(ctx context.Context, ch *entity.MessageChannel) error {
 	return GetDB(ctx).Save(ch).Error
 }
 
 // GetMessageChannel loads a channel by id.
-func GetMessageChannel(ctx context.Context, id uint64) (*model.MessageChannel, error) {
-	var ch model.MessageChannel
+func GetMessageChannel(ctx context.Context, id uint64) (*entity.MessageChannel, error) {
+	var ch entity.MessageChannel
 	if err := GetDB(ctx).Where("id = ?", id).First(&ch).Error; err != nil {
 		return nil, mapNotFound(err)
 	}
@@ -84,8 +84,8 @@ func GetMessageChannel(ctx context.Context, id uint64) (*model.MessageChannel, e
 }
 
 // ListMessageChannels returns all channels newest first.
-func ListMessageChannels(ctx context.Context) ([]model.MessageChannel, error) {
-	var rows []model.MessageChannel
+func ListMessageChannels(ctx context.Context) ([]entity.MessageChannel, error) {
+	var rows []entity.MessageChannel
 	if err := GetDB(ctx).Order("id DESC").Find(&rows).Error; err != nil {
 		return nil, err
 	}
@@ -95,18 +95,18 @@ func ListMessageChannels(ctx context.Context) ([]model.MessageChannel, error) {
 // DeleteMessageChannel removes pairings, bindings, then the channel.
 func DeleteMessageChannel(ctx context.Context, id uint64) error {
 	return GetDB(ctx).Transaction(func(tx *gorm.DB) error {
-		if err := tx.Where("channel_id = ?", id).Delete(&model.MessagePairingCode{}).Error; err != nil {
+		if err := tx.Where("channel_id = ?", id).Delete(&entity.MessagePairingCode{}).Error; err != nil {
 			return err
 		}
-		if err := tx.Where("channel_id = ?", id).Delete(&model.MessageBinding{}).Error; err != nil {
+		if err := tx.Where("channel_id = ?", id).Delete(&entity.MessageBinding{}).Error; err != nil {
 			return err
 		}
-		return tx.Delete(&model.MessageChannel{}, id).Error
+		return tx.Delete(&entity.MessageChannel{}, id).Error
 	})
 }
 
 // CreateMessageBinding inserts a binding.
-func CreateMessageBinding(ctx context.Context, b *model.MessageBinding) error {
+func CreateMessageBinding(ctx context.Context, b *entity.MessageBinding) error {
 	if b.ID == 0 {
 		b.ID = idgen.NextUint64ID()
 	}
@@ -114,8 +114,8 @@ func CreateMessageBinding(ctx context.Context, b *model.MessageBinding) error {
 }
 
 // GetBindingByChannelPlatform finds a binding for a platform user on a channel.
-func GetBindingByChannelPlatform(ctx context.Context, channelID uint64, platformUserID string) (*model.MessageBinding, error) {
-	var b model.MessageBinding
+func GetBindingByChannelPlatform(ctx context.Context, channelID uint64, platformUserID string) (*entity.MessageBinding, error) {
+	var b entity.MessageBinding
 	err := GetDB(ctx).Where("channel_id = ? AND platform_user_id = ?", channelID, platformUserID).First(&b).Error
 	if err != nil {
 		return nil, mapNotFound(err)
@@ -124,8 +124,8 @@ func GetBindingByChannelPlatform(ctx context.Context, channelID uint64, platform
 }
 
 // ListBindingsByUser lists bindings for a Wavelet user.
-func ListBindingsByUser(ctx context.Context, userID uint64) ([]model.MessageBinding, error) {
-	var rows []model.MessageBinding
+func ListBindingsByUser(ctx context.Context, userID uint64) ([]entity.MessageBinding, error) {
+	var rows []entity.MessageBinding
 	if err := GetDB(ctx).Where("user_id = ?", userID).Order("id DESC").Find(&rows).Error; err != nil {
 		return nil, err
 	}
@@ -133,8 +133,8 @@ func ListBindingsByUser(ctx context.Context, userID uint64) ([]model.MessageBind
 }
 
 // ListBindingsByChannel lists bindings on one messaging channel.
-func ListBindingsByChannel(ctx context.Context, channelID uint64) ([]model.MessageBinding, error) {
-	var rows []model.MessageBinding
+func ListBindingsByChannel(ctx context.Context, channelID uint64) ([]entity.MessageBinding, error) {
+	var rows []entity.MessageBinding
 	if err := GetDB(ctx).Where("channel_id = ?", channelID).Order("id DESC").Find(&rows).Error; err != nil {
 		return nil, err
 	}
@@ -142,8 +142,8 @@ func ListBindingsByChannel(ctx context.Context, channelID uint64) ([]model.Messa
 }
 
 // GetMessageBinding loads a binding by id.
-func GetMessageBinding(ctx context.Context, id uint64) (*model.MessageBinding, error) {
-	var b model.MessageBinding
+func GetMessageBinding(ctx context.Context, id uint64) (*entity.MessageBinding, error) {
+	var b entity.MessageBinding
 	if err := GetDB(ctx).Where("id = ?", id).First(&b).Error; err != nil {
 		return nil, mapNotFound(err)
 	}
@@ -152,12 +152,12 @@ func GetMessageBinding(ctx context.Context, id uint64) (*model.MessageBinding, e
 
 // DeleteMessageBinding deletes a binding by id.
 func DeleteMessageBinding(ctx context.Context, id uint64) error {
-	return GetDB(ctx).Delete(&model.MessageBinding{}, id).Error
+	return GetDB(ctx).Delete(&entity.MessageBinding{}, id).Error
 }
 
 // UpsertPairingCode reuses an unexpired code for the same channel+platform user.
-func UpsertPairingCode(ctx context.Context, channelID uint64, platformUserID, code string, expiresAt time.Time) (*model.MessagePairingCode, error) {
-	var existing model.MessagePairingCode
+func UpsertPairingCode(ctx context.Context, channelID uint64, platformUserID, code string, expiresAt time.Time) (*entity.MessagePairingCode, error) {
+	var existing entity.MessagePairingCode
 	err := GetDB(ctx).
 		Where("channel_id = ? AND platform_user_id = ? AND expires_at > ?", channelID, platformUserID, time.Now()).
 		First(&existing).Error
@@ -167,7 +167,7 @@ func UpsertPairingCode(ctx context.Context, channelID uint64, platformUserID, co
 	if !errors.Is(err, gorm.ErrRecordNotFound) {
 		return nil, err
 	}
-	row := &model.MessagePairingCode{
+	row := &entity.MessagePairingCode{
 		Code:           code,
 		ChannelID:      channelID,
 		PlatformUserID: platformUserID,
@@ -180,8 +180,8 @@ func UpsertPairingCode(ctx context.Context, channelID uint64, platformUserID, co
 }
 
 // GetPairingCode loads a pairing code by normalized code string.
-func GetPairingCode(ctx context.Context, code string) (*model.MessagePairingCode, error) {
-	var row model.MessagePairingCode
+func GetPairingCode(ctx context.Context, code string) (*entity.MessagePairingCode, error) {
+	var row entity.MessagePairingCode
 	if err := GetDB(ctx).Where("code = ?", code).First(&row).Error; err != nil {
 		return nil, mapNotFound(err)
 	}
@@ -190,17 +190,17 @@ func GetPairingCode(ctx context.Context, code string) (*model.MessagePairingCode
 
 // DeletePairingCode removes a pairing code.
 func DeletePairingCode(ctx context.Context, code string) error {
-	return GetDB(ctx).Where("code = ?", code).Delete(&model.MessagePairingCode{}).Error
+	return GetDB(ctx).Where("code = ?", code).Delete(&entity.MessagePairingCode{}).Error
 }
 
 // DeleteExpiredPairingCodes removes expired pairing rows.
 func DeleteExpiredPairingCodes(ctx context.Context) error {
-	return GetDB(ctx).Where("expires_at <= ?", time.Now()).Delete(&model.MessagePairingCode{}).Error
+	return GetDB(ctx).Where("expires_at <= ?", time.Now()).Delete(&entity.MessagePairingCode{}).Error
 }
 
 // ListEnabledMessageChannels returns enabled channels.
-func ListEnabledMessageChannels(ctx context.Context) ([]model.MessageChannel, error) {
-	var rows []model.MessageChannel
+func ListEnabledMessageChannels(ctx context.Context) ([]entity.MessageChannel, error) {
+	var rows []entity.MessageChannel
 	if err := GetDB(ctx).Where("enabled = ?", true).Find(&rows).Error; err != nil {
 		return nil, err
 	}

backend/plugins/domain/msg_gateway/dao/push.go

@@ -1,13 +1,14 @@
 // Copyright 2026 Arctel.net
 // SPDX-License-Identifier: Apache-2.0
 
-package repository
+package dao
 
 import (
 	"Wavelet/core"
 	"Wavelet/core/contracts"
-	"Wavelet/plugins/domain/message_gateway/errs"
-	"Wavelet/plugins/domain/message_gateway/model"
+	"Wavelet/plugins/domain/msg_gateway/consts"
+	"Wavelet/plugins/domain/msg_gateway/model/do"
+	"Wavelet/plugins/domain/msg_gateway/model/entity"
 	"context"
 	"errors"
 	"fmt"
@@ -48,8 +49,8 @@ func GetCache(ctx context.Context) contracts.CacheService {
 }
 
 // ListPushChannelsRecord returns all push channels ordered by creation time descending.
-func ListPushChannelsRecord(ctx context.Context) ([]model.PushChannel, error) {
-	var channels []model.PushChannel
+func ListPushChannelsRecord(ctx context.Context) ([]entity.PushChannel, error) {
+	var channels []entity.PushChannel
 	if err := GetDB(ctx).Order("created_at DESC").Find(&channels).Error; err != nil {
 		return nil, err
 	}
@@ -57,17 +58,17 @@ func ListPushChannelsRecord(ctx context.Context) ([]model.PushChannel, error) {
 }
 
 // GetPushChannelByIDRecord loads a push channel by primary key.
-func GetPushChannelByIDRecord(ctx context.Context, id uint64) (model.PushChannel, error) {
-	var channel model.PushChannel
+func GetPushChannelByIDRecord(ctx context.Context, id uint64) (entity.PushChannel, error) {
+	var channel entity.PushChannel
 	if err := GetDB(ctx).Where("id = ?", id).First(&channel).Error; err != nil {
-		return model.PushChannel{}, mapNotFound(err)
+		return entity.PushChannel{}, mapNotFound(err)
 	}
 	return channel, nil
 }
 
 // GetPushChannelByNameRecord loads a push channel by its unique name.
-func GetPushChannelByNameRecord(ctx context.Context, name string) (*model.PushChannel, error) {
-	var channel model.PushChannel
+func GetPushChannelByNameRecord(ctx context.Context, name string) (*entity.PushChannel, error) {
+	var channel entity.PushChannel
 	if err := GetDB(ctx).Where("name = ?", name).First(&channel).Error; err != nil {
 		return nil, mapNotFound(err)
 	}
@@ -77,14 +78,14 @@ func GetPushChannelByNameRecord(ctx context.Context, name string) (*model.PushCh
 // CountPushChannelsByNameRecord returns how many channels share the given name.
 func CountPushChannelsByNameRecord(ctx context.Context, name string) (int64, error) {
 	var count int64
-	if err := GetDB(ctx).Model(&model.PushChannel{}).Where("name = ?", name).Count(&count).Error; err != nil {
+	if err := GetDB(ctx).Model(&entity.PushChannel{}).Where("name = ?", name).Count(&count).Error; err != nil {
 		return 0, err
 	}
 	return count, nil
 }
 
 // CreatePushChannelRecord persists a new channel and invalidates cache.
-func CreatePushChannelRecord(ctx context.Context, channel *model.PushChannel) error {
+func CreatePushChannelRecord(ctx context.Context, channel *entity.PushChannel) error {
 	if err := GetDB(ctx).Create(channel).Error; err != nil {
 		return err
 	}
@@ -93,7 +94,7 @@ func CreatePushChannelRecord(ctx context.Context, channel *model.PushChannel) er
 }
 
 // SavePushChannelRecord updates a channel and invalidates cache.
-func SavePushChannelRecord(ctx context.Context, channel *model.PushChannel) error {
+func SavePushChannelRecord(ctx context.Context, channel *entity.PushChannel) error {
 	if err := GetDB(ctx).Save(channel).Error; err != nil {
 		return err
 	}
@@ -102,7 +103,7 @@ func SavePushChannelRecord(ctx context.Context, channel *model.PushChannel) erro
 }
 
 // DeletePushChannelRecord removes a channel and invalidates cache.
-func DeletePushChannelRecord(ctx context.Context, channel *model.PushChannel) error {
+func DeletePushChannelRecord(ctx context.Context, channel *entity.PushChannel) error {
 	if err := GetDB(ctx).Delete(channel).Error; err != nil {
 		return err
 	}
@@ -131,8 +132,8 @@ func getCachedOrQuery[T any](ctx context.Context, cacheKey string, ttl time.Dura
 }
 
 // GetActivePushChannelByName loads an enabled push channel, preferring the cache layer.
-func GetActivePushChannelByName(ctx context.Context, name string) (*model.PushChannel, error) {
-	channel, err := getCachedOrQuery(ctx, "push:channel:active:"+name, activePushChannelCacheTTL, func(db *gorm.DB, dest *model.PushChannel) error {
+func GetActivePushChannelByName(ctx context.Context, name string) (*entity.PushChannel, error) {
+	channel, err := getCachedOrQuery(ctx, "push:channel:active:"+name, activePushChannelCacheTTL, func(db *gorm.DB, dest *entity.PushChannel) error {
 		return db.Where("name = ? AND enabled = ?", name, true).First(dest).Error
 	})
 	if err != nil {
@@ -149,8 +150,8 @@ func DeleteActivePushChannelCache(ctx context.Context, name string) {
 }
 
 // ListPushEventsRecord returns all push events ordered by creation time descending.
-func ListPushEventsRecord(ctx context.Context) ([]model.PushEvent, error) {
-	var events []model.PushEvent
+func ListPushEventsRecord(ctx context.Context) ([]entity.PushEvent, error) {
+	var events []entity.PushEvent
 	if err := GetDB(ctx).Order("created_at DESC").Find(&events).Error; err != nil {
 		return nil, err
 	}
@@ -158,19 +159,19 @@ func ListPushEventsRecord(ctx context.Context) ([]model.PushEvent, error) {
 }
 
 // GetPushEventByIDRecord loads a push event by primary key.
-func GetPushEventByIDRecord(ctx context.Context, id uint64) (model.PushEvent, error) {
-	var event model.PushEvent
+func GetPushEventByIDRecord(ctx context.Context, id uint64) (entity.PushEvent, error) {
+	var event entity.PushEvent
 	if err := GetDB(ctx).First(&event, id).Error; err != nil {
-		return model.PushEvent{}, mapNotFound(err)
+		return entity.PushEvent{}, mapNotFound(err)
 	}
 	return event, nil
 }
 
 // GetPushEventByKeyRecord loads a push event by event key.
-func GetPushEventByKeyRecord(ctx context.Context, key string) (model.PushEvent, error) {
-	var event model.PushEvent
+func GetPushEventByKeyRecord(ctx context.Context, key string) (entity.PushEvent, error) {
+	var event entity.PushEvent
 	if err := GetDB(ctx).Where("event_key = ?", key).First(&event).Error; err != nil {
-		return model.PushEvent{}, mapNotFound(err)
+		return entity.PushEvent{}, mapNotFound(err)
 	}
 	return event, nil
 }
@@ -178,14 +179,14 @@ func GetPushEventByKeyRecord(ctx context.Context, key string) (model.PushEvent,
 // CountPushEventsByKeyRecord returns how many events use the given event key.
 func CountPushEventsByKeyRecord(ctx context.Context, key string) (int64, error) {
 	var count int64
-	if err := GetDB(ctx).Model(&model.PushEvent{}).Where("event_key = ?", key).Count(&count).Error; err != nil {
+	if err := GetDB(ctx).Model(&entity.PushEvent{}).Where("event_key = ?", key).Count(&count).Error; err != nil {
 		return 0, err
 	}
 	return count, nil
 }
 
 // CreatePushEventRecord persists a new push event and invalidates cache.
-func CreatePushEventRecord(ctx context.Context, event *model.PushEvent) error {
+func CreatePushEventRecord(ctx context.Context, event *entity.PushEvent) error {
 	if err := GetDB(ctx).Create(event).Error; err != nil {
 		return err
 	}
@@ -194,7 +195,7 @@ func CreatePushEventRecord(ctx context.Context, event *model.PushEvent) error {
 }
 
 // SavePushEventRecord updates a push event and invalidates cache.
-func SavePushEventRecord(ctx context.Context, event *model.PushEvent) error {
+func SavePushEventRecord(ctx context.Context, event *entity.PushEvent) error {
 	if err := GetDB(ctx).Save(event).Error; err != nil {
 		return err
 	}
@@ -203,7 +204,7 @@ func SavePushEventRecord(ctx context.Context, event *model.PushEvent) error {
 }
 
 // UpdatePushEventEnabledRecord toggles the enabled flag for a push event.
-func UpdatePushEventEnabledRecord(ctx context.Context, event *model.PushEvent, enabled bool) error {
+func UpdatePushEventEnabledRecord(ctx context.Context, event *entity.PushEvent, enabled bool) error {
 	event.Enabled = enabled
 	if err := GetDB(ctx).Model(event).Update("enabled", enabled).Error; err != nil {
 		return err
@@ -213,7 +214,7 @@ func UpdatePushEventEnabledRecord(ctx context.Context, event *model.PushEvent, e
 }
 
 // DeletePushEventRecord removes a push event and invalidates cache.
-func DeletePushEventRecord(ctx context.Context, event *model.PushEvent) error {
+func DeletePushEventRecord(ctx context.Context, event *entity.PushEvent) error {
 	if err := GetDB(ctx).Delete(event).Error; err != nil {
 		return err
 	}
@@ -222,8 +223,8 @@ func DeletePushEventRecord(ctx context.Context, event *model.PushEvent) error {
 }
 
 // ListActivePushEventsByTaskTypeRecord returns enabled events bound to a task type.
-func ListActivePushEventsByTaskTypeRecord(ctx context.Context, taskType string) ([]model.PushEvent, error) {
-	var events []model.PushEvent
+func ListActivePushEventsByTaskTypeRecord(ctx context.Context, taskType string) ([]entity.PushEvent, error) {
+	var events []entity.PushEvent
 	if err := GetDB(ctx).Where("task_type = ? AND enabled = ?", taskType, true).Find(&events).Error; err != nil {
 		return nil, err
 	}
@@ -231,8 +232,8 @@ func ListActivePushEventsByTaskTypeRecord(ctx context.Context, taskType string)
 }
 
 // GetActivePushEventByKey loads an enabled push event, preferring the cache layer.
-func GetActivePushEventByKey(ctx context.Context, key string) (*model.PushEvent, error) {
-	event, err := getCachedOrQuery(ctx, "push:event:active:"+key, activePushEventCacheTTL, func(db *gorm.DB, dest *model.PushEvent) error {
+func GetActivePushEventByKey(ctx context.Context, key string) (*entity.PushEvent, error) {
+	event, err := getCachedOrQuery(ctx, "push:event:active:"+key, activePushEventCacheTTL, func(db *gorm.DB, dest *entity.PushEvent) error {
 		return db.Where("event_key = ? AND enabled = ?", key, true).First(dest).Error
 	})
 	if err != nil {
@@ -249,8 +250,8 @@ func DeleteActivePushEventCache(ctx context.Context, key string) {
 }
 
 // ListPushHistoriesRecord returns paginated push history records.
-func ListPushHistoriesRecord(ctx context.Context, filter model.PushHistoryListFilter) (int64, []model.PushHistory, error) {
-	query := GetDB(ctx).Model(&model.PushHistory{}).Order("created_at DESC")
+func ListPushHistoriesRecord(ctx context.Context, filter do.PushHistoryListFilter) (int64, []entity.PushHistory, error) {
+	query := GetDB(ctx).Model(&entity.PushHistory{}).Order("created_at DESC")
 	if filter.EventKey != "" {
 		query = query.Where("event_key = ?", filter.EventKey)
 	}
@@ -263,7 +264,7 @@ func ListPushHistoriesRecord(ctx context.Context, filter model.PushHistoryListFi
 		return 0, nil, err
 	}
 
-	var results []model.PushHistory
+	var results []entity.PushHistory
 	offset := (filter.Page - 1) * filter.PageSize
 	if err := query.Offset(offset).Limit(filter.PageSize).Find(&results).Error; err != nil {
 		return 0, nil, err
@@ -273,28 +274,23 @@ func ListPushHistoriesRecord(ctx context.Context, filter model.PushHistoryListFi
 }
 
 // CreatePushHistoryRecord persists a push history audit record.
-func CreatePushHistoryRecord(ctx context.Context, history *model.PushHistory) error {
+func CreatePushHistoryRecord(ctx context.Context, history *entity.PushHistory) error {
 	return GetDB(ctx).Create(history).Error
 }
 
 // PushHistoryQuery returns a scoped query builder for push histories.
 func PushHistoryQuery(ctx context.Context) *gorm.DB {
-	return GetDB(ctx).Model(&model.PushHistory{})
+	return GetDB(ctx).Model(&entity.PushHistory{})
 }
 
 // smtpConfigKeys are the system-config rows backing the built-in email channel.
 var smtpConfigKeys = []string{"smtp_host", "smtp_port", "smtp_username", "smtp_password"}
 
 // LoadSMTPConfigRecord reads the SMTP settings in one query.
-//
-// A key that is simply absent leaves its field empty, which is how an unconfigured
-// mailer is represented. A read that fails is returned as an error, so callers
-// cannot mistake an unhealthy database for "no SMTP configured" and silently drop
-// the notification.
-func LoadSMTPConfigRecord(ctx context.Context) (model.SMTPConfig, error) {
+func LoadSMTPConfigRecord(ctx context.Context) (do.SMTPConfig, error) {
 	db := GetDB(ctx)
 	if db == nil {
-		return model.SMTPConfig{}, errors.New("database not available")
+		return do.SMTPConfig{}, errors.New("database not available")
 	}
 
 	var rows []struct {
@@ -305,10 +301,10 @@ func LoadSMTPConfigRecord(ctx context.Context) (model.SMTPConfig, error) {
 		Select("key", "value").
 		Where("key IN ?", smtpConfigKeys).
 		Find(&rows).Error; err != nil {
-		return model.SMTPConfig{}, fmt.Errorf("read smtp system configs: %w", err)
+		return do.SMTPConfig{}, fmt.Errorf("read smtp system configs: %w", err)
 	}
 
-	var cfg model.SMTPConfig
+	var cfg do.SMTPConfig
 	for _, row := range rows {
 		switch row.Key {
 		case "smtp_host":
@@ -325,8 +321,6 @@ func LoadSMTPConfigRecord(ctx context.Context) (model.SMTPConfig, error) {
 }
 
 // userLookupColumns allow-lists the columns FindUserByFieldRecord may filter on.
-// The column name is concatenated into the WHERE clause, so anything not listed
-// here must never reach the database.
 var userLookupColumns = map[string]struct{}{
 	"id":       {},
 	"username": {},
@@ -336,11 +330,11 @@ var userLookupColumns = map[string]struct{}{
 // contract is not wired yet. field must be one of userLookupColumns.
 func FindUserByFieldRecord(ctx context.Context, field string, value any) (*contracts.UserDTO, error) {
 	if _, ok := userLookupColumns[field]; !ok {
-		return nil, errs.ErrUnsupportedUserLookupField
+		return nil, consts.ErrUnsupportedUserLookupField
 	}
 	db := GetDB(ctx)
 	if db == nil {
-		return nil, errs.ErrRecordNotFound
+		return nil, consts.ErrRecordNotFound
 	}
 	var user contracts.UserDTO
 	if err := db.Table("w_users").Where(field+" = ?", value).First(&user).Error; err != nil {
@@ -354,7 +348,7 @@ func FindUserByFieldRecord(ctx context.Context, field string, value any) (*contr
 func FindFirstAdminUserRecord(ctx context.Context) (*contracts.UserDTO, error) {
 	db := GetDB(ctx)
 	if db == nil {
-		return nil, errs.ErrRecordNotFound
+		return nil, consts.ErrRecordNotFound
 	}
 	var adminUser contracts.UserDTO
 	if err := db.Table("w_users").Where("is_admin = ?", true).Order("id ASC").First(&adminUser).Error; err != nil {

backend/plugins/domain/msg_gateway/dao/push_test.go

@@ -1,12 +1,12 @@
 // Copyright 2026 Arctel.net
 // SPDX-License-Identifier: Apache-2.0
 
-package repository_test
+package dao_test
 
 import (
 	"Wavelet/pkg/testhelper"
-	"Wavelet/plugins/domain/message_gateway/errs"
-	"Wavelet/plugins/domain/message_gateway/repository"
+	"Wavelet/plugins/domain/msg_gateway/consts"
+	"Wavelet/plugins/domain/msg_gateway/dao"
 	"context"
 	"errors"
 	"testing"
@@ -35,19 +35,19 @@ func TestFindUserByFieldRecordRejectsUnlistedColumns(t *testing.T) {
 		t.Fatalf("seed user failed: %v", err)
 	}
 
-	repository.SetDBServiceForTest(stubDBService{db: db})
-	t.Cleanup(func() { repository.SetDBServiceForTest(nil) })
+	dao.SetDBServiceForTest(stubDBService{db: db})
+	t.Cleanup(func() { dao.SetDBServiceForTest(nil) })
 
 	ctx := context.Background()
 
-	user, err := repository.FindUserByFieldRecord(ctx, "username", "seeded")
+	user, err := dao.FindUserByFieldRecord(ctx, "username", "seeded")
 	if err != nil {
 		t.Fatalf("allowlisted lookup by username failed: %v", err)
 	}
 	if user.ID != 77 {
 		t.Errorf("allowlisted lookup returned ID %d, want 77", user.ID)
 	}
-	if _, err := repository.FindUserByFieldRecord(ctx, "id", uint64(77)); err != nil {
+	if _, err := dao.FindUserByFieldRecord(ctx, "id", uint64(77)); err != nil {
 		t.Errorf("allowlisted lookup by id failed: %v", err)
 	}
 
@@ -61,7 +61,7 @@ func TestFindUserByFieldRecordRejectsUnlistedColumns(t *testing.T) {
 		{"empty field", ""},
 	}
 	for _, tc := range cases {
-		if _, err := repository.FindUserByFieldRecord(ctx, tc.field, "seeded"); !errors.Is(err, errs.ErrUnsupportedUserLookupField) {
+		if _, err := dao.FindUserByFieldRecord(ctx, tc.field, "seeded"); !errors.Is(err, consts.ErrUnsupportedUserLookupField) {
 			t.Errorf("%s: got err %v, want ErrUnsupportedUserLookupField", tc.name, err)
 		}
 	}
@@ -100,10 +100,10 @@ func TestLoadSMTPConfigRecordMapsEveryKey(t *testing.T) {
 		}
 	}
 
-	repository.SetDBServiceForTest(stubDBService{db: db})
-	t.Cleanup(func() { repository.SetDBServiceForTest(nil) })
+	dao.SetDBServiceForTest(stubDBService{db: db})
+	t.Cleanup(func() { dao.SetDBServiceForTest(nil) })
 
-	cfg, err := repository.LoadSMTPConfigRecord(context.Background())
+	cfg, err := dao.LoadSMTPConfigRecord(context.Background())
 	if err != nil {
 		t.Fatalf("LoadSMTPConfigRecord: %v", err)
 	}
@@ -122,10 +122,10 @@ func TestLoadSMTPConfigRecordSurfacesReadFailure(t *testing.T) {
 		t.Fatalf("open bare sqlite: %v", err)
 	}
 
-	repository.SetDBServiceForTest(stubDBService{db: bare})
-	t.Cleanup(func() { repository.SetDBServiceForTest(nil) })
+	dao.SetDBServiceForTest(stubDBService{db: bare})
+	t.Cleanup(func() { dao.SetDBServiceForTest(nil) })
 
-	if _, err := repository.LoadSMTPConfigRecord(context.Background()); err == nil {
+	if _, err := dao.LoadSMTPConfigRecord(context.Background()); err == nil {
 		t.Fatal("LoadSMTPConfigRecord returned nil error although the config table cannot be read")
 	}
 }

backend/plugins/domain/msg_gateway/model/do/message.go

@@ -0,0 +1,124 @@
+// Copyright 2026 Arctel.net
+// SPDX-License-Identifier: Apache-2.0
+
+// Package do defines domain objects, DTOs, and request/response payloads for msg_gateway.
+package do
+
+import "time"
+
+// Capability describes what an adapter can send and receive.
+type Capability struct {
+	Text  bool
+	Image bool
+	File  bool
+	Reply bool
+	Group bool
+}
+
+// ChannelConfig is the decrypted runtime config passed to a factory.
+type ChannelConfig struct {
+	ID          uint64
+	Type        string
+	Name        string
+	Credentials map[string]string
+	Extra       map[string]string
+}
+
+// Recipient is the outbound destination on a platform.
+type Recipient struct {
+	ChatID         string
+	PlatformUserID string
+}
+
+// Attachment is a downloaded inbound file sitting on local disk.
+type Attachment struct {
+	Path     string
+	FileName string
+	MIME     string
+	Error    string
+}
+
+// InboundMessage is a normalized private-chat message.
+type InboundMessage struct {
+	ChannelID      uint64
+	ChannelType    string
+	PlatformUserID string
+	ChatID         string
+	MessageID      string
+	Text           string
+	Attachments    []Attachment
+	BindingUserID  *uint64
+}
+
+// OutboundMessage is a reply or probe send.
+type OutboundMessage struct {
+	Text        string
+	ReplyToID   string
+	Attachments []Attachment
+}
+
+// BindRequest is the user bind body.
+type BindRequest struct {
+	ChannelID string `json:"channel_id"`
+	Code      string `json:"code"`
+}
+
+// BindingDTO is a user-facing binding row.
+type BindingDTO struct {
+	ID             uint64    `json:"id,string"`
+	UserID         uint64    `json:"user_id,string"`
+	ChannelID      uint64    `json:"channel_id,string"`
+	ChannelName    string    `json:"channel_name"`
+	ChannelType    string    `json:"channel_type"`
+	PlatformUserID string    `json:"platform_user_id"`
+	CreatedAt      time.Time `json:"created_at"`
+}
+
+// PublicChannelDTO is an enabled channel a user can bind to.
+type PublicChannelDTO struct {
+	ID   uint64 `json:"id,string"`
+	Name string `json:"name"`
+	Type string `json:"type"`
+}
+
+// Field is one admin form field.
+type Field struct {
+	Key      string `json:"key"`
+	Type     string `json:"type"`
+	Required bool   `json:"required"`
+}
+
+// Definition describes a channel type form.
+type Definition struct {
+	Type   string  `json:"type"`
+	Fields []Field `json:"fields"`
+}
+
+// ChannelDTO represents a channel for admin consumption.
+type ChannelDTO struct {
+	ID          uint64            `json:"id,string"`
+	Name        string            `json:"name"`
+	Type        string            `json:"type"`
+	OwnerScope  string            `json:"owner_scope"`
+	OwnerID     *uint64           `json:"owner_id,string,omitempty"`
+	Enabled     bool              `json:"enabled"`
+	Credentials map[string]string `json:"credentials"`
+	Extra       map[string]string `json:"extra"`
+}
+
+// CreateChannelRequest is admin create payload.
+type CreateChannelRequest struct {
+	Name        string            `json:"name"`
+	Type        string            `json:"type"`
+	Enabled     *bool             `json:"enabled"`
+	Credentials map[string]string `json:"credentials"`
+	Extra       map[string]string `json:"extra"`
+}
+
+// UpdateChannelRequest is admin update payload.
+type UpdateChannelRequest struct {
+	Name        string            `json:"name"`
+	Enabled     *bool             `json:"enabled"`
+	Credentials map[string]string `json:"credentials"`
+	Extra       map[string]string `json:"extra"`
+}

backend/plugins/domain/msg_gateway/model/do/push.go

@@ -1,44 +1,13 @@
 // Copyright 2026 Arctel.net
 // SPDX-License-Identifier: Apache-2.0
 
-package model
+package do
 
 import (
+	"Wavelet/plugins/domain/msg_gateway/consts"
+	pkgpush "Wavelet/plugins/domain/msg_gateway/push"
 	"sync"
 	"time"
-
-	pkgpush "Wavelet/plugins/domain/message_gateway/push"
-)
-
-// Push channel and payload constants.
-const (
-	ChannelCustom    = "custom"
-	ChannelEmail     = "email"
-	ChannelLark      = "lark"
-	ChannelDingTalk  = "dingtalk"
-	ChannelTelegram  = "telegram"
-	ChannelBark      = "bark"
-	ChannelDiscord   = "discord"
-	ChannelSlack     = "slack"
-	ChannelPushover  = "pushover"
-	DefaultLevelInfo = "INFO"
-	KeyTitle         = "title"
-	KeyContent       = "content"
-	KeyLevel         = "level"
-
-	// KeyURL represents the URL field key.
-	KeyURL = "url"
-	// KeyToken represents the Token field key.
-	KeyToken = "token"
-	// KeyOther represents the Other field key.
-	KeyOther = "other"
-
-	// TypeText represents standard text input type.
-	TypeText = "text"
-	// TypePassword represents password input type.
-	TypePassword = "password"
-	// TypeTextarea represents textarea input type.
-	TypeTextarea = "textarea"
 )
 
 // SMTPConfig mirrors the system SMTP settings consumed by the push service.
@@ -140,12 +109,12 @@ type NotificationMessage struct {
 	Ext     map[string]any `json:"ext,omitempty"`
 }
 
-// Flatten converts the structured NotificationMessage back to a flat map (original json structure).
+// Flatten converts the structured NotificationMessage back to a flat map.
 func (m NotificationMessage) Flatten() map[string]any {
 	res := map[string]any{
-		KeyTitle:   m.Title,
-		KeyContent: m.Content,
-		KeyLevel:   m.Level,
+		consts.KeyTitle:   m.Title,
+		consts.KeyContent: m.Content,
+		consts.KeyLevel:   m.Level,
 	}
 	for k, v := range m.Ext {
 		res[k] = v
@@ -161,7 +130,7 @@ type EventMetadata struct {
 	Description     string              `json:"description"`
 }
 
-// SendPayload is the async push dispatch载荷 consumed by the notification worker.
+// SendPayload is the async push dispatch payload consumed by the notification worker.
 type SendPayload struct {
 	EventKey string              `json:"event_key"`
 	Config   pkgpush.Config      `json:"config"`
@@ -181,6 +150,15 @@ type PushHistoryListFilter struct {
 	PageSize  int
 }
 
+// PushNotificationEvent defines the payload for eventbus notification trigger.
+type PushNotificationEvent struct {
+	UserID   uint64         `json:"user_id"`
+	Channel  string         `json:"channel"`
+	Title    string         `json:"title"`
+	Content  string         `json:"content"`
+	Metadata map[string]any `json:"metadata,omitempty"`
+}
+
 var (
 	pushDefMu       sync.RWMutex
 	pushDefinitions = make(map[string]PushDefinition)
@@ -199,15 +177,15 @@ func ListPushDefinitions() []PushDefinition {
 	defer pushDefMu.RUnlock()
 
 	order := []string{
-		ChannelCustom,
-		ChannelLark,
-		ChannelDingTalk,
-		ChannelTelegram,
-		ChannelBark,
-		ChannelDiscord,
-		ChannelSlack,
-		ChannelPushover,
-		ChannelEmail,
+		consts.ChannelCustom,
+		consts.ChannelLark,
+		consts.ChannelDingTalk,
+		consts.ChannelTelegram,
+		consts.ChannelBark,
+		consts.ChannelDiscord,
+		consts.ChannelSlack,
+		consts.ChannelPushover,
+		consts.ChannelEmail,
 	}
 	res := make([]PushDefinition, 0, len(pushDefinitions))
 	for _, t := range order {
@@ -230,25 +208,25 @@ func ListPushDefinitions() []PushDefinition {
 	return res
 }
 
-//nolint:funlen,goconst // Channel definitions registration table
+//nolint:funlen,goconst,dupl // Channel definitions registration table
 func init() {
 	RegisterPushChannelDefinition(PushDefinition{
-		Type:        ChannelCustom,
+		Type:        consts.ChannelCustom,
 		Name:        "自定义消息通道",
 		Description: "使用自定义 HTTP POST 请求向外部 Webhook 发送数据。",
 		Fields: []PushField{
 			{
-				Key:         KeyURL,
+				Key:         consts.KeyURL,
 				Label:       "请求地址",
-				Type:        TypeText,
+				Type:        consts.TypeText,
 				Required:    true,
 				Placeholder: "在此填写完整的请求地址，必须使用 HTTPS 协议",
 				Description: "接口请求的完整 HTTPS URL，例如 https://api.example.com/webhook",
 			},
 			{
-				Key:         KeyOther,
+				Key:         consts.KeyOther,
 				Label:       "请求体 (JSON)",
-				Type:        TypeTextarea,
+				Type:        consts.TypeTextarea,
 				Required:    true,
 				Placeholder: "在此输入请求体，支持模板变量，必须为合法的 JSON 格式",
 				Description: "可使用的变量：$title, $description, $content, $url, $to。例如 {\"text\": \"$content\"}",
@@ -257,30 +235,30 @@ func init() {
 	})
 
 	RegisterPushChannelDefinition(PushDefinition{
-		Type:        ChannelLark,
+		Type:        consts.ChannelLark,
 		Name:        "飞书群机器人",
 		Description: "配置飞书群自定义机器人的 Webhook 接口投递。",
 		Fields: []PushField{
 			{
-				Key:         KeyURL,
+				Key:         consts.KeyURL,
 				Label:       "Webhook 地址",
-				Type:        TypeText,
+				Type:        consts.TypeText,
 				Required:    true,
 				Placeholder: "https://open.feishu.cn/open-apis/bot/v2/hook/YOUR_TOKEN",
 				Description: "从飞书群机器人设置中复制的 Webhook URL",
 			},
 			{
-				Key:         KeyToken,
+				Key:         consts.KeyToken,
 				Label:       "签名校验密钥 (Secret) (可选)",
-				Type:        TypeText,
+				Type:        consts.TypeText,
 				Required:    false,
 				Placeholder: "可选，若机器人启用了安全设置中的签名校验，请在此输入",
 				Description: "飞书群机器人安全设置中的签名校验 Key",
 			},
 			{
-				Key:         KeyOther,
+				Key:         consts.KeyOther,
 				Label:       "自定义卡片 JSON 模版 (可选)",
-				Type:        TypeTextarea,
+				Type:        consts.TypeTextarea,
 				Required:    false,
 				Placeholder: "可选，留空则默认使用系统内置的精美互动卡片",
 				Description: "若填写，必须是合法的飞书卡片 JSON 格式",
@@ -289,22 +267,22 @@ func init() {
 	})
 
 	RegisterPushChannelDefinition(PushDefinition{
-		Type:        ChannelDingTalk,
+		Type:        consts.ChannelDingTalk,
 		Name:        "钉钉群机器人",
 		Description: "配置钉钉群自定义机器人的 Webhook 接口投递。",
 		Fields: []PushField{
 			{
-				Key:         KeyURL,
+				Key:         consts.KeyURL,
 				Label:       "Webhook 地址",
-				Type:        TypeText,
+				Type:        consts.TypeText,
 				Required:    true,
 				Placeholder: "https://oapi.dingtalk.com/robot/send?access_token=YOUR_TOKEN",
 				Description: "从钉钉群机器人设置中获取的完整 Webhook URL",
 			},
 			{
-				Key:         KeyToken,
+				Key:         consts.KeyToken,
 				Label:       "加签密钥 (Secret) (可选)",
-				Type:        TypeText,
+				Type:        consts.TypeText,
 				Required:    false,
 				Placeholder: "可选，若机器人启用了安全设置中的加签校验，请在此输入 SEC 开头的密钥",
 				Description: "钉钉群机器人安全设置中的加签 Secret",
@@ -313,30 +291,30 @@ func init() {
 	})
 
 	RegisterPushChannelDefinition(PushDefinition{
-		Type:        ChannelTelegram,
+		Type:        consts.ChannelTelegram,
 		Name:        "Telegram 机器人",
 		Description: "配置 Telegram 机器人推送消息。",
 		Fields: []PushField{
 			{
-				Key:         KeyURL,
+				Key:         consts.KeyURL,
 				Label:       "API 基础地址 (可选)",
-				Type:        TypeText,
+				Type:        consts.TypeText,
 				Required:    false,
 				Placeholder: "https://api.telegram.org",
 				Description: "接口请求的 HTTPS 基础地址，留空默认为 https://api.telegram.org",
 			},
 			{
-				Key:         KeyToken,
+				Key:         consts.KeyToken,
 				Label:       "机器人 Token (Bot Token)",
-				Type:        TypePassword,
+				Type:        consts.TypePassword,
 				Required:    true,
 				Placeholder: "在此输入 Telegram 机器人的 Bot Token",
 				Description: "通过 BotFather 申请到的机器人 Access Token",
 			},
 			{
-				Key:         KeyOther,
+				Key:         consts.KeyOther,
 				Label:       "默认会话 ID (Chat ID) (可选)",
-				Type:        TypeText,
+				Type:        consts.TypeText,
 				Required:    false,
 				Placeholder: "例如 -100123456789 或 @channel_name",
 				Description: "默认的消息接收 Chat ID。如果通知事件中未配置 targets，将推送到此 ID",
@@ -345,30 +323,30 @@ func init() {
 	})
 
 	RegisterPushChannelDefinition(PushDefinition{
-		Type:        ChannelBark,
+		Type:        consts.ChannelBark,
 		Name:        "Bark (iOS 推送)",
 		Description: "配置 Bark 推送通知至 iPhone / iPad 客户端。",
 		Fields: []PushField{
 			{
-				Key:         KeyToken,
+				Key:         consts.KeyToken,
 				Label:       "设备 Key (Device Key)",
-				Type:        TypeText,
+				Type:        consts.TypeText,
 				Required:    true,
 				Placeholder: "Bark App 首页显示的 Device Key",
 				Description: "从 Bark App 复制的设备专属 Key",
 			},
 			{
-				Key:         KeyURL,
+				Key:         consts.KeyURL,
 				Label:       "Bark 服务器地址 (可选)",
-				Type:        TypeText,
+				Type:        consts.TypeText,
 				Required:    false,
 				Placeholder: "https://api.day.app",
 				Description: "Bark 服务器地址，留空默认使用官方公共服务器 https://api.day.app",
 			},
 			{
-				Key:         KeyOther,
+				Key:         consts.KeyOther,
 				Label:       "额外配置 JSON (可选)",
-				Type:        TypeTextarea,
+				Type:        consts.TypeTextarea,
 				Required:    false,
 				Placeholder: "{\"group\": \"Wavelet\", \"sound\": \"minuet\", \"icon\": \"https://...\"}",
 				Description: "可选的 JSON 配置，支持 group (分组)、sound (铃声)、icon (自定义图标)",
@@ -377,14 +355,14 @@ func init() {
 	})
 
 	RegisterPushChannelDefinition(PushDefinition{
-		Type:        ChannelDiscord,
+		Type:        consts.ChannelDiscord,
 		Name:        "Discord 频道",
 		Description: "配置 Discord 频道的 Incoming Webhook 消息推送。",
 		Fields: []PushField{
 			{
-				Key:         KeyURL,
+				Key:         consts.KeyURL,
 				Label:       "Webhook 地址",
-				Type:        TypeText,
+				Type:        consts.TypeText,
 				Required:    true,
 				Placeholder: "https://discord.com/api/webhooks/...",
 				Description: "从 Discord 频道集成设置中复制的 Webhook URL",
@@ -393,14 +371,14 @@ func init() {
 	})
 
 	RegisterPushChannelDefinition(PushDefinition{
-		Type:        ChannelSlack,
+		Type:        consts.ChannelSlack,
 		Name:        "Slack 频道",
 		Description: "配置 Slack 频道的 Incoming Webhook 消息推送。",
 		Fields: []PushField{
 			{
-				Key:         KeyURL,
+				Key:         consts.KeyURL,
 				Label:       "Webhook 地址",
-				Type:        TypeText,
+				Type:        consts.TypeText,
 				Required:    true,
 				Placeholder: "https://hooks.slack.com/services/...",
 				Description: "从 Slack 应用配置中复制的 Incoming Webhook URL",
@@ -409,22 +387,22 @@ func init() {
 	})
 
 	RegisterPushChannelDefinition(PushDefinition{
-		Type:        ChannelPushover,
+		Type:        consts.ChannelPushover,
 		Name:        "Pushover 推送",
 		Description: "配置 Pushover 即时推送到手机/桌面客户端。",
 		Fields: []PushField{
 			{
-				Key:         KeyToken,
+				Key:         consts.KeyToken,
 				Label:       "应用 Token (App Token)",
-				Type:        TypePassword,
+				Type:        consts.TypePassword,
 				Required:    true,
 				Placeholder: "Pushover 创建应用生成的 API Token / Key",
 				Description: "从 Pushover 控制台创建的 Application API Token",
 			},
 			{
-				Key:         KeyURL,
+				Key:         consts.KeyURL,
 				Label:       "用户 Key (User Key)",
-				Type:        TypeText,
+				Type:        consts.TypeText,
 				Required:    true,
 				Placeholder: "Pushover 账号主页的 User Key",
 				Description: "Pushover 个人账号的 User Key",
@@ -433,7 +411,7 @@ func init() {
 	})
 
 	RegisterPushChannelDefinition(PushDefinition{
-		Type:        ChannelEmail,
+		Type:        consts.ChannelEmail,
 		Name:        "邮件推送通道",
 		Description: "邮件推送通道直接使用系统全局 SMTP 设置进行发送，无需在此填写服务器配置。",
 		Fields:      []PushField{},

backend/plugins/domain/msg_gateway/model/entity/channel.go

@@ -0,0 +1,56 @@
+// Copyright 2026 Arctel.net
+// SPDX-License-Identifier: Apache-2.0
+
+// Package entity defines GORM table mapping entities for msg_gateway.
+package entity
+
+import "time"
+
+// MessageChannel is an admin-configured messaging adapter entity.
+type MessageChannel struct {
+	ID          uint64    `json:"id" gorm:"primaryKey;autoIncrement"`
+	Type        string    `json:"type" gorm:"size:32;not null"`
+	Name        string    `json:"name" gorm:"size:64;not null"`
+	OwnerScope  string    `json:"owner_scope" gorm:"size:32;not null;default:'system'"`
+	OwnerID     *uint64   `json:"owner_id,omitempty"`
+	Credentials string    `json:"credentials" gorm:"type:text;not null"`
+	Extra       string    `json:"extra" gorm:"type:text"`
+	Enabled     bool      `json:"enabled" gorm:"default:false;not null"`
+	CreatedAt   time.Time `json:"created_at" gorm:"autoCreateTime"`
+	UpdatedAt   time.Time `json:"updated_at" gorm:"autoUpdateTime"`
+}
+
+// TableName 表名
+func (MessageChannel) TableName() string {
+	return "w_message_channels"
+}
+
+// MessageBinding maps a platform user to a Wavelet user on one channel.
+type MessageBinding struct {
+	ID             uint64    `json:"id" gorm:"primaryKey;autoIncrement"`
+	ChannelID      uint64    `json:"channel_id" gorm:"not null;index"`
+	PlatformUserID string    `json:"platform_user_id" gorm:"size:128;not null;index"`
+	UserID         uint64    `json:"user_id" gorm:"not null;index"`
+	CreatedAt      time.Time `json:"created_at" gorm:"autoCreateTime"`
+}
+
+// TableName 表名
+func (MessageBinding) TableName() string {
+	return "w_message_bindings"
+}
+
+// MessagePairingCode is a one-time bind code.
+type MessagePairingCode struct {
+	ID             uint64    `json:"id" gorm:"primaryKey;autoIncrement"`
+	Code           string    `json:"code" gorm:"size:32;uniqueIndex;not null"`
+	ChannelID      uint64    `json:"channel_id" gorm:"not null;index"`
+	PlatformUserID string    `json:"platform_user_id" gorm:"size:128;not null;index"`
+	UserID         uint64    `json:"user_id" gorm:"not null;index"`
+	ExpiresAt      time.Time `json:"expires_at" gorm:"not null;index"`
+	CreatedAt      time.Time `json:"created_at" gorm:"autoCreateTime"`
+}
+
+// TableName 表名
+func (MessagePairingCode) TableName() string {
+	return "w_message_pairing_codes"
+}

backend/plugins/domain/msg_gateway/model/entity/push.go

@@ -0,0 +1,95 @@
+// Copyright 2026 Arctel.net
+// SPDX-License-Identifier: Apache-2.0
+
+package entity
+
+import (
+	"Wavelet/plugins/domain/msg_gateway/consts"
+	"errors"
+	"strings"
+	"time"
+)
+
+// PushChannel 消息通道实体
+type PushChannel struct {
+	ID          uint64    `json:"id" gorm:"primaryKey;autoIncrement"`
+	Name        string    `json:"name" gorm:"size:100;not null"`
+	Description string    `json:"description" gorm:"size:255"`
+	Type        string    `json:"type" gorm:"size:50;not null;index"`
+	URL         string    `json:"url" gorm:"type:text"`
+	Token       string    `json:"token" gorm:"type:text"`
+	Other       string    `json:"other" gorm:"type:text"`
+	Enabled     bool      `json:"enabled" gorm:"index;not null;default:true"`
+	CreatedAt   time.Time `json:"created_at" gorm:"autoCreateTime;index"`
+	UpdatedAt   time.Time `json:"updated_at" gorm:"autoUpdateTime;index"`
+}
+
+// TableName 指定 GORM 表名
+func (PushChannel) TableName() string {
+	return "w_push_channels"
+}
+
+// Validate 验证与标准化字段
+func (c *PushChannel) Validate() error {
+	c.Name = strings.TrimSpace(c.Name)
+	if c.Name == "" {
+		return errors.New(consts.ErrChannelNameRequired)
+	}
+	c.Type = strings.TrimSpace(c.Type)
+	if c.Type == "" {
+		return errors.New(consts.ErrChannelTypeRequired)
+	}
+	return nil
+}
+
+// PushEvent 系统通知事件实体
+type PushEvent struct {
+	ID        uint64    `json:"id" gorm:"primaryKey;autoIncrement"`
+	EventKey  string    `json:"event_key" gorm:"uniqueIndex;size:80;not null"`
+	Name      string    `json:"name" gorm:"size:100;not null"`
+	TaskType  string    `json:"task_type" gorm:"size:100;index;not null;default:''"`
+	Channels  []string  `json:"channels" gorm:"type:text;serializer:json;not null"`
+	Targets   []string  `json:"targets" gorm:"type:text;serializer:json;not null"`
+	Template  string    `json:"template" gorm:"type:text;not null"`
+	Enabled   bool      `json:"enabled" gorm:"index;not null;default:false"`
+	CreatedAt time.Time `json:"created_at" gorm:"autoCreateTime;index"`
+	UpdatedAt time.Time `json:"updated_at" gorm:"autoUpdateTime;index"`
+}
+
+// TableName 指定 GORM 表名
+func (PushEvent) TableName() string {
+	return "w_push_events"
+}
+
+// Validate 验证 PushEvent 实体字段
+func (e *PushEvent) Validate() error {
+	e.EventKey = strings.TrimSpace(e.EventKey)
+	if e.EventKey == "" {
+		return errors.New(consts.ErrEventKeyRequired)
+	}
+	e.Name = strings.TrimSpace(e.Name)
+	if e.Name == "" {
+		return errors.New(consts.ErrNameRequired)
+	}
+	return nil
+}
+
+// PushHistory 推送日志/历史实体
+type PushHistory struct {
+	ID        uint64    `json:"id" gorm:"primaryKey;autoIncrement"`
+	EventKey  string    `json:"event_key" gorm:"size:80;not null;index"`
+	Channel   string    `json:"channel" gorm:"size:50;not null;index"`
+	Target    string    `json:"target" gorm:"size:255;not null"`
+	Title     string    `json:"title" gorm:"size:255;not null"`
+	Content   string    `json:"content" gorm:"type:text;not null"`
+	Level     string    `json:"level" gorm:"size:20;not null;default:'INFO'"`
+	Status    string    `json:"status" gorm:"size:20;not null;index"`
+	ErrorMsg  string    `json:"error_msg" gorm:"type:text"`
+	Payload   string    `json:"payload" gorm:"type:text"`
+	CreatedAt time.Time `json:"created_at" gorm:"autoCreateTime;index"`
+}
+
+// TableName 指定 GORM 表名
+func (PushHistory) TableName() string {
+	return "w_push_histories"
+}

backend/plugins/domain/msg_gateway/msg_gateway_test.go

@@ -1,11 +1,11 @@
 // Copyright 2026 Arctel.net
 // SPDX-License-Identifier: Apache-2.0
 
-package message_gateway_test
+package msg_gateway_test
 
 import (
 	"Wavelet/pkg/testhelper"
-	"Wavelet/plugins/domain/message_gateway"
+	"Wavelet/plugins/domain/msg_gateway"
 	"context"
 	"testing"
 	"time"
@@ -31,17 +31,17 @@ func (m *mockDBService) Named(_ string) *gorm.DB {
 
 func TestUpsertPairingCode_ReusesUnexpired(t *testing.T) {
 	testDB, _, cleanup := testhelper.SetupTestEnvironment(t)
-	message_gateway.SetDBServiceForTest(&mockDBService{db: testDB})
+	msg_gateway.SetDBServiceForTest(&mockDBService{db: testDB})
 	defer func() {
-		message_gateway.SetDBServiceForTest(nil)
+		msg_gateway.SetDBServiceForTest(nil)
 		cleanup()
 	}()
 	ctx := context.Background()
-	first, err := message_gateway.UpsertPairingCode(ctx, 1, "tg-1", "ABCD1234", time.Now().Add(15*time.Minute))
+	first, err := msg_gateway.UpsertPairingCode(ctx, 1, "tg-1", "ABCD1234", time.Now().Add(15*time.Minute))
 	if err != nil {
 		t.Fatal(err)
 	}
-	second, err := message_gateway.UpsertPairingCode(ctx, 1, "tg-1", "ZZZZ9999", time.Now().Add(15*time.Minute))
+	second, err := msg_gateway.UpsertPairingCode(ctx, 1, "tg-1", "ZZZZ9999", time.Now().Add(15*time.Minute))
 	if err != nil {
 		t.Fatal(err)
 	}

backend/plugins/domain/msg_gateway/pairing_test.go

@@ -1,7 +1,7 @@
 // Copyright 2026 Arctel.net
 // SPDX-License-Identifier: Apache-2.0
 
-package message_gateway
+package msg_gateway
 
 import (
 	"strings"

backend/plugins/domain/msg_gateway/plugin.go

@@ -1,8 +1,8 @@
 // Copyright 2026 Arctel.net
 // SPDX-License-Identifier: Apache-2.0
 
-// Package message_gateway provides the Bot gateway, multi-channel notification dispatching, and asynchronous push worker domain plugin for Cordis.
-package message_gateway
+// Package msg_gateway provides the Bot gateway, multi-channel notification dispatching, and asynchronous push worker domain plugin for Cordis.
+package msg_gateway
 
 import (
 	"Wavelet/core"
@@ -10,12 +10,14 @@ import (
 	"Wavelet/core/extpoints"
 	"Wavelet/pkg/ginutil"
 	"Wavelet/pkg/util"
-	"Wavelet/plugins/domain/message_gateway/channels/qq"
-	"Wavelet/plugins/domain/message_gateway/channels/telegram"
-	"Wavelet/plugins/domain/message_gateway/handler"
-	"Wavelet/plugins/domain/message_gateway/model"
-	"Wavelet/plugins/domain/message_gateway/repository"
-	"Wavelet/plugins/domain/message_gateway/service"
+	"Wavelet/plugins/domain/msg_gateway/channels/qq"
+	"Wavelet/plugins/domain/msg_gateway/channels/telegram"
+	"Wavelet/plugins/domain/msg_gateway/consts"
+	"Wavelet/plugins/domain/msg_gateway/controller"
+	"Wavelet/plugins/domain/msg_gateway/dao"
+	"Wavelet/plugins/domain/msg_gateway/model/do"
+	"Wavelet/plugins/domain/msg_gateway/model/entity"
+	"Wavelet/plugins/domain/msg_gateway/service"
 	"context"
 	"embed"
 	"reflect"
@@ -26,7 +28,7 @@ import (
 //go:embed migrations/*/*.sql
 var mgMigrations embed.FS
 
-// Option configures the message_gateway plugin.
+// Option configures the msg_gateway plugin.
 type Option func(*Plugin)
 
 // WithAutoStartRunner enables automatic bot runner startup in the background.
@@ -42,7 +44,7 @@ type Plugin struct {
 	cancelRunner    context.CancelFunc
 }
 
-// New creates a new message_gateway domain plugin.
+// New creates a new msg_gateway domain plugin.
 func New(opts ...Option) *Plugin {
 	p := &Plugin{}
 	for _, opt := range opts {
@@ -53,12 +55,12 @@ func New(opts ...Option) *Plugin {
 	return p
 }
 
-// Name returns the unique identifier for the message_gateway domain plugin.
+// Name returns the unique identifier for the msg_gateway domain plugin.
 func (p *Plugin) Name() string {
-	return "message_gateway"
+	return "msg_gateway"
 }
 
-// Inject declares required dependencies for the message_gateway domain plugin.
+// Inject declares required dependencies for the msg_gateway domain plugin.
 func (p *Plugin) Inject() []reflect.Type {
 	return []reflect.Type{
 		reflect.TypeFor[contracts.DBService](),
@@ -72,7 +74,7 @@ func (p *Plugin) Inject() []reflect.Type {
 // Manifest returns the plugin metadata.
 func (p *Plugin) Manifest() core.Manifest {
 	return core.Manifest{
-		Name:        "message_gateway",
+		Name:        "msg_gateway",
 		Version:     "1.0.0",
 		Description: "Bot gateway, multi-channel notification push, and async worker dispatch plugin",
 		Author:      "Wavelet Team",
@@ -83,29 +85,29 @@ type mgAppConfig struct {
 	SessionSecret string `config:"session_secret" env:"APP_SESSION_SECRET" secret:"true"`
 }
 
-// DeclareConfig declares configuration bindings for the message_gateway plugin.
+// DeclareConfig declares configuration bindings for the msg_gateway plugin.
 func (p *Plugin) DeclareConfig() []core.ConfigBinding {
 	return []core.ConfigBinding{
 		{Prefix: "app", Target: &mgAppConfig{}},
 	}
 }
 
-// Apply registers message_gateway migrations, routes, tasks, schedules, events, and settings into the Context.
+// Apply registers msg_gateway migrations, routes, tasks, schedules, events, and settings into the Context.
 func (p *Plugin) Apply(ctx *core.Context) error {
 	var cfg mgAppConfig
 	if err := ctx.Config().Bind("app", &cfg); err == nil && cfg.SessionSecret != "" {
 		service.SetCredentialSecret(cfg.SessionSecret)
 	}
-	core.Bind[contracts.DBService](ctx, repository.SetDBService)
+	core.Bind[contracts.DBService](ctx, dao.SetDBService)
 	core.Bind[contracts.CacheService](ctx, func(cache contracts.CacheService) {
-		repository.SetCacheService(cache)
+		dao.SetCacheService(cache)
 		service.SetCacheService(cache)
 	})
 	core.Bind[contracts.TaskService](ctx, service.SetTaskService)
 	core.Bind[contracts.UserService](ctx, service.SetUserService)
 	ctx.OnDispose(func() error {
-		repository.SetDBService(nil)
-		repository.SetCacheService(nil)
+		dao.SetDBService(nil)
+		dao.SetCacheService(nil)
 		service.SetCacheService(nil)
 		service.SetTaskService(nil)
 		service.SetUserService(nil)
@@ -126,25 +128,25 @@ func (p *Plugin) Apply(ctx *core.Context) error {
 	}
 
 	// 1. Register migrations
-	ctx.Migrations().Register("message_gateway", mgMigrations)
+	ctx.Migrations().Register("msg_gateway", mgMigrations)
 
 	// 2. Register User HTTP Routes
-	handler.RegisterUserRoutes(ctx.Router().Group("/api/v1"), loginMW)
+	controller.RegisterUserRoutes(ctx.Router().Group("/api/v1"), loginMW)
 
 	// 3. Register Admin Message Gateway HTTP Routes
-	handler.RegisterAdminRoutes(ctx.Router().Group("/api/v1/admin"), loginMW, adminMW)
+	controller.RegisterAdminRoutes(ctx.Router().Group("/api/v1/admin"), loginMW, adminMW)
 
 	// 4. Register Admin Push HTTP Routes
-	handler.RegisterAdminPushRoutes(ctx.Router().Group("/api/v1/admin"), loginMW, adminMW)
+	controller.RegisterAdminPushRoutes(ctx.Router().Group("/api/v1/admin"), loginMW, adminMW)
 
-	service.Register(model.MessageChannelTypeTelegram, telegram.New)
-	service.Register(model.MessageChannelTypeQQ, qq.New)
+	service.Register(consts.MessageChannelTypeTelegram, telegram.New)
+	service.Register(consts.MessageChannelTypeQQ, qq.New)
 
 	const defaultTaskRetry = 3
 	pushHandler := &service.PushHandler{}
 
 	// 5. Register background tasks
-	ctx.Task().Register("message_gateway:push_notification", func(c context.Context, payload []byte) error {
+	ctx.Task().Register(consts.TaskPushNotification, func(c context.Context, payload []byte) error {
 		return pushHandler.Execute(c, payload)
 	},
 		extpoints.WithTaskType("push_notification"),
@@ -163,8 +165,8 @@ func (p *Plugin) Apply(ctx *core.Context) error {
 	ctx.Task().Register(service.TaskDispatchBotMsg, &service.BotDispatchHandler{},
 		extpoints.WithTaskMeta(service.BotDispatchMeta))
 
-	ctx.Task().Register("message_gateway:cleanup_pairing_codes", func(c context.Context, _ []byte) error {
-		return repository.DeleteExpiredPairingCodes(c)
+	ctx.Task().Register(consts.TaskCleanupPairingCodes, func(c context.Context, _ []byte) error {
+		return dao.DeleteExpiredPairingCodes(c)
 	},
 		extpoints.WithTaskType("cleanup_pairing_codes"),
 		extpoints.WithTaskName("清理过期配对码"),
@@ -176,17 +178,17 @@ func (p *Plugin) Apply(ctx *core.Context) error {
 	)
 
 	// 6. Register Cron Schedules
-	ctx.Schedule().RegisterCron("*/10 * * * *", "message_gateway:cleanup_pairing_codes", map[string]any{"action": "cleanup"})
+	ctx.Schedule().RegisterCron("*/10 * * * *", consts.TaskCleanupPairingCodes, map[string]any{"action": "cleanup"})
 
 	// 7. Register EventBus listeners for decoupled push triggers
-	ctx.Events().On("notification:push", func(c context.Context, e model.PushNotificationEvent) error {
-		meta := model.EventMetadata{
+	ctx.Events().On("notification:push", func(c context.Context, e do.PushNotificationEvent) error {
+		meta := do.EventMetadata{
 			Key:  "eventbus:" + e.Channel,
 			Name: e.Title,
-			DefaultTemplate: model.NotificationMessage{
+			DefaultTemplate: do.NotificationMessage{
 				Title:   e.Title,
 				Content: e.Content,
-				Level:   model.DefaultLevelInfo,
+				Level:   consts.DefaultLevelInfo,
 				Ext:     e.Metadata,
 			},
 			Description: "EventBus triggered notification",
@@ -211,14 +213,14 @@ func (p *Plugin) Apply(ctx *core.Context) error {
 
 	// 10. Register Settings Schemas
 	ctx.Settings().Register(extpoints.SettingSchema{
-		Key:         "message_gateway.pairing_code_expiry_minutes",
+		Key:         "msg_gateway.pairing_code_expiry_minutes",
 		Default:     15,
 		Description: "Expiry duration for bot pairing codes in minutes",
 		Type:        "integer",
 		Category:    "messaging",
 	})
 	ctx.Settings().Register(extpoints.SettingSchema{
-		Key:         "message_gateway.max_bindings_per_user",
+		Key:         "msg_gateway.max_bindings_per_user",
 		Default:     5,
 		Description: "Maximum platform bot bindings per user",
 		Type:        "integer",
@@ -250,77 +252,77 @@ const (
 	CodeLength   = service.CodeLength
 )
 
-// MessageChannel is an alias for model.MessageChannel.
-type MessageChannel = model.MessageChannel
+// MessageChannel is an alias for entity.MessageChannel.
+type MessageChannel = entity.MessageChannel
 
-// MessageBinding is an alias for model.MessageBinding.
-type MessageBinding = model.MessageBinding
+// MessageBinding is an alias for entity.MessageBinding.
+type MessageBinding = entity.MessageBinding
 
-// MessagePairingCode is an alias for model.MessagePairingCode.
-type MessagePairingCode = model.MessagePairingCode
+// MessagePairingCode is an alias for entity.MessagePairingCode.
+type MessagePairingCode = entity.MessagePairingCode
 
-// PushChannel is an alias for model.PushChannel.
-type PushChannel = model.PushChannel
+// PushChannel is an alias for entity.PushChannel.
+type PushChannel = entity.PushChannel
 
-// PushEvent is an alias for model.PushEvent.
-type PushEvent = model.PushEvent
+// PushEvent is an alias for entity.PushEvent.
+type PushEvent = entity.PushEvent
 
-// PushHistory is an alias for model.PushHistory.
-type PushHistory = model.PushHistory
+// PushHistory is an alias for entity.PushHistory.
+type PushHistory = entity.PushHistory
 
-// PushNotificationEvent is an alias for model.PushNotificationEvent.
-type PushNotificationEvent = model.PushNotificationEvent
+// PushNotificationEvent is an alias for do.PushNotificationEvent.
+type PushNotificationEvent = do.PushNotificationEvent
 
-// ChannelConfig is an alias for model.ChannelConfig.
-type ChannelConfig = model.ChannelConfig
+// ChannelConfig is an alias for do.ChannelConfig.
+type ChannelConfig = do.ChannelConfig
 
-// Capability is an alias for model.Capability.
-type Capability = model.Capability
+// Capability is an alias for do.Capability.
+type Capability = do.Capability
 
-// Recipient is an alias for model.Recipient.
-type Recipient = model.Recipient
+// Recipient is an alias for do.Recipient.
+type Recipient = do.Recipient
 
-// Attachment is an alias for model.Attachment.
-type Attachment = model.Attachment
+// Attachment is an alias for do.Attachment.
+type Attachment = do.Attachment
 
-// InboundMessage is an alias for model.InboundMessage.
-type InboundMessage = model.InboundMessage
+// InboundMessage is an alias for do.InboundMessage.
+type InboundMessage = do.InboundMessage
 
-// OutboundMessage is an alias for model.OutboundMessage.
-type OutboundMessage = model.OutboundMessage
+// OutboundMessage is an alias for do.OutboundMessage.
+type OutboundMessage = do.OutboundMessage
 
-// BindingDTO is an alias for model.BindingDTO.
-type BindingDTO = model.BindingDTO
+// BindingDTO is an alias for do.BindingDTO.
+type BindingDTO = do.BindingDTO
 
-// PublicChannelDTO is an alias for model.PublicChannelDTO.
-type PublicChannelDTO = model.PublicChannelDTO
+// PublicChannelDTO is an alias for do.PublicChannelDTO.
+type PublicChannelDTO = do.PublicChannelDTO
 
-// Definition is an alias for model.Definition.
-type Definition = model.Definition
+// Definition is an alias for do.Definition.
+type Definition = do.Definition
 
-// ChannelDTO is an alias for model.ChannelDTO.
-type ChannelDTO = model.ChannelDTO
+// ChannelDTO is an alias for do.ChannelDTO.
+type ChannelDTO = do.ChannelDTO
 
-// CreateChannelRequest is an alias for model.CreateChannelRequest.
-type CreateChannelRequest = model.CreateChannelRequest
+// CreateChannelRequest is an alias for do.CreateChannelRequest.
+type CreateChannelRequest = do.CreateChannelRequest
 
-// UpdateChannelRequest is an alias for model.UpdateChannelRequest.
-type UpdateChannelRequest = model.UpdateChannelRequest
+// UpdateChannelRequest is an alias for do.UpdateChannelRequest.
+type UpdateChannelRequest = do.UpdateChannelRequest
 
-// PushDefinition is an alias for model.PushDefinition.
-type PushDefinition = model.PushDefinition
+// PushDefinition is an alias for do.PushDefinition.
+type PushDefinition = do.PushDefinition
 
-// PushField is an alias for model.PushField.
-type PushField = model.PushField
+// PushField is an alias for do.PushField.
+type PushField = do.PushField
 
-// NotificationMessage is an alias for model.NotificationMessage.
-type NotificationMessage = model.NotificationMessage
+// NotificationMessage is an alias for do.NotificationMessage.
+type NotificationMessage = do.NotificationMessage
 
-// EventMetadata is an alias for model.EventMetadata.
-type EventMetadata = model.EventMetadata
+// EventMetadata is an alias for do.EventMetadata.
+type EventMetadata = do.EventMetadata
 
-// SendPayload is an alias for model.SendPayload.
-type SendPayload = model.SendPayload
+// SendPayload is an alias for do.SendPayload.
+type SendPayload = do.SendPayload
 
 // Handler is an alias for service.Handler.
 type Handler = service.Handler
@@ -342,8 +344,8 @@ type PushHandler = service.PushHandler
 
 // Re-exported variables and functions.
 var (
-	SetDBServiceForTest = repository.SetDBServiceForTest
-	UpsertPairingCode   = repository.UpsertPairingCode
+	SetDBServiceForTest = dao.SetDBServiceForTest
+	UpsertPairingCode   = dao.UpsertPairingCode
 	Register            = service.Register
 	Lookup              = service.Lookup
 	GenerateCode        = service.GenerateCode

backend/plugins/domain/msg_gateway/plugin_registry_test.go

@@ -1,13 +1,13 @@
 // Copyright 2026 Arctel.net
 // SPDX-License-Identifier: Apache-2.0
 
-package message_gateway_test
+package msg_gateway_test
 
 import (
 	"Wavelet/core"
 	"Wavelet/core/contracts"
-	"Wavelet/plugins/domain/message_gateway"
-	"Wavelet/plugins/domain/message_gateway/service"
+	"Wavelet/plugins/domain/msg_gateway"
+	"Wavelet/plugins/domain/msg_gateway/service"
 	"context"
 	"testing"
 
@@ -17,7 +17,7 @@ import (
 
 func TestPushRegistry(t *testing.T) {
 	ctx := core.NewContext(context.Background())
-	require.NoError(t, message_gateway.New().Apply(ctx))
+	require.NoError(t, msg_gateway.New().Apply(ctx))
 
 	registry, err := core.Inject[contracts.PushRegistry](ctx)
 	require.NoError(t, err)

backend/plugins/domain/msg_gateway/plugin_test.go

@@ -1,11 +1,11 @@
 // Copyright 2026 Arctel.net
 // SPDX-License-Identifier: Apache-2.0
 
-package message_gateway_test
+package msg_gateway_test
 
 import (
 	"Wavelet/core"
-	"Wavelet/plugins/domain/message_gateway"
+	"Wavelet/plugins/domain/msg_gateway"
 	"context"
 	"io/fs"
 	"testing"
@@ -14,32 +14,32 @@ import (
 	"github.com/stretchr/testify/require"
 )
 
-func TestMessageGatewayPluginUnit(t *testing.T) {
+func TestMsgGatewayPluginUnit(t *testing.T) {
 	ctx := core.NewContext(context.Background())
-	p := message_gateway.New()
-	assert.Equal(t, "message_gateway", p.Name())
+	p := msg_gateway.New()
+	assert.Equal(t, "msg_gateway", p.Name())
 	assert.Equal(t, "1.0.0", p.Manifest().Version)
 	require.NoError(t, p.Apply(ctx))
 
 	// Verify migrations
-	entry, ok := ctx.Migrations().Get("message_gateway")
+	entry, ok := ctx.Migrations().Get("msg_gateway")
 	require.True(t, ok)
 	entries, err := fs.ReadDir(entry.FS, entry.Dir)
 	require.NoError(t, err)
 	assert.NotEmpty(t, entries)
 
 	// Verify tasks
-	task, ok := ctx.Tasks().Get("message_gateway:push_notification")
+	task, ok := ctx.Tasks().Get("msg_gateway:push_notification")
 	require.True(t, ok)
 	assert.Equal(t, 3, task.Retry)
 
 	// Verify schedules
-	sched, ok := ctx.Schedules().Get("message_gateway:cleanup_pairing_codes")
+	sched, ok := ctx.Schedules().Get("msg_gateway:cleanup_pairing_codes")
 	require.True(t, ok)
 	assert.Equal(t, "*/10 * * * *", sched.Spec)
 
 	// Verify settings
-	setting, ok := ctx.Settings().Get("message_gateway.max_bindings_per_user")
+	setting, ok := ctx.Settings().Get("msg_gateway.max_bindings_per_user")
 	require.True(t, ok)
 	assert.Equal(t, 5, setting.Default)
 }
@@ -48,7 +48,7 @@ func TestMessageGatewayPluginUnit(t *testing.T) {
 // Register，则每次触发都投递到无人处理的任务类型，清理逻辑静默失效。
 func TestEveryScheduleHasTaskHandler(t *testing.T) {
 	ctx := core.NewContext(context.Background())
-	require.NoError(t, message_gateway.New().Apply(ctx))
+	require.NoError(t, msg_gateway.New().Apply(ctx))
 
 	schedules := ctx.Schedules().Schedules()
 	require.NotEmpty(t, schedules)

backend/plugins/domain/msg_gateway/registry_test.go

@@ -1,7 +1,7 @@
 // Copyright 2026 Arctel.net
 // SPDX-License-Identifier: Apache-2.0
 
-package message_gateway
+package msg_gateway
 
 import (
 	"context"

backend/plugins/domain/msg_gateway/service/admin.go

@@ -4,9 +4,10 @@
 package service
 
 import (
-	"Wavelet/plugins/domain/message_gateway/errs"
-	"Wavelet/plugins/domain/message_gateway/model"
-	"Wavelet/plugins/domain/message_gateway/repository"
+	"Wavelet/plugins/domain/msg_gateway/consts"
+	"Wavelet/plugins/domain/msg_gateway/dao"
+	"Wavelet/plugins/domain/msg_gateway/model/do"
+	"Wavelet/plugins/domain/msg_gateway/model/entity"
 	"context"
 	"encoding/json"
 	"errors"
@@ -22,19 +23,19 @@ import (
 const defaultTelegramAPI = "https://api.telegram.org"
 
 // ListDefinitions returns the admin form schema of every supported channel type.
-func ListDefinitions() []model.Definition {
-	return []model.Definition{
+func ListDefinitions() []do.Definition {
+	return []do.Definition{
 		{
-			Type: model.MessageChannelTypeTelegram,
-			Fields: []model.Field{
-				{Key: "token", Type: model.TypePassword, Required: true},
-				{Key: "api_base", Type: model.TypeText, Required: false},
+			Type: consts.MessageChannelTypeTelegram,
+			Fields: []do.Field{
+				{Key: "token", Type: consts.TypePassword, Required: true},
+				{Key: "api_base", Type: consts.TypeText, Required: false},
 			},
 		},
 		{
-			Type: model.MessageChannelTypeQQ,
-			Fields: []model.Field{
-				{Key: "app_id", Type: model.TypeText, Required: true},
+			Type: consts.MessageChannelTypeQQ,
+			Fields: []do.Field{
+				{Key: "app_id", Type: consts.TypeText, Required: true},
 				{Key: "client_secret", Type: "password", Required: true},
 			},
 		},
@@ -42,25 +43,25 @@ func ListDefinitions() []model.Definition {
 }
 
 // CreateChannel validates the admin payload and persists an encrypted channel.
-func CreateChannel(ctx context.Context, req model.CreateChannelRequest) (model.ChannelDTO, error) {
+func CreateChannel(ctx context.Context, req do.CreateChannelRequest) (do.ChannelDTO, error) {
 	name := strings.TrimSpace(req.Name)
 	if name == "" {
-		return model.ChannelDTO{}, errors.New(errs.ErrNameRequired)
+		return do.ChannelDTO{}, errors.New(consts.ErrNameRequired)
 	}
 	channelType := strings.TrimSpace(req.Type)
-	if channelType != model.MessageChannelTypeTelegram && channelType != model.MessageChannelTypeQQ {
-		return model.ChannelDTO{}, errors.New(errs.ErrTypeInvalid)
+	if channelType != consts.MessageChannelTypeTelegram && channelType != consts.MessageChannelTypeQQ {
+		return do.ChannelDTO{}, errors.New(consts.ErrTypeInvalid)
 	}
 	creds := req.Credentials
 	if creds == nil {
 		creds = map[string]string{}
 	}
 	if err := ValidateCredentials(channelType, creds, false); err != nil {
-		return model.ChannelDTO{}, err
+		return do.ChannelDTO{}, err
 	}
 	cipher, err := EncryptCredentials(creds)
 	if err != nil {
-		return model.ChannelDTO{}, err
+		return do.ChannelDTO{}, err
 	}
 	extra := req.Extra
 	if extra == nil {
@@ -70,32 +71,32 @@ func CreateChannel(ctx context.Context, req model.CreateChannelRequest) (model.C
 	if req.Enabled != nil {
 		enabled = *req.Enabled
 	}
-	row := &model.MessageChannel{
+	row := &entity.MessageChannel{
 		Name:        name,
 		Type:        channelType,
-		OwnerScope:  model.MessageOwnerScopeSystem,
+		OwnerScope:  consts.MessageOwnerScopeSystem,
 		Enabled:     enabled,
 		Credentials: cipher,
 		Extra:       EncodeExtra(extra),
 	}
-	if err := repository.CreateMessageChannel(ctx, row); err != nil {
-		return model.ChannelDTO{}, err
+	if err := dao.CreateMessageChannel(ctx, row); err != nil {
+		return do.ChannelDTO{}, err
 	}
 	return ToDTO(row, creds, extra), nil
 }
 
 // UpdateChannel patches a channel; empty secrets keep the stored ciphertext.
-func UpdateChannel(ctx context.Context, id uint64, req model.UpdateChannelRequest) (model.ChannelDTO, error) {
-	row, err := repository.GetMessageChannel(ctx, id)
+func UpdateChannel(ctx context.Context, id uint64, req do.UpdateChannelRequest) (do.ChannelDTO, error) {
+	row, err := dao.GetMessageChannel(ctx, id)
 	if err != nil {
-		if errors.Is(err, errs.ErrRecordNotFound) {
-			return model.ChannelDTO{}, errors.New(errs.ErrChannelNotFound)
+		if errors.Is(err, consts.ErrRecordNotFound) {
+			return do.ChannelDTO{}, errors.New(consts.ErrChannelNotFound)
 		}
-		return model.ChannelDTO{}, err
+		return do.ChannelDTO{}, err
 	}
 	creds, err := DecryptCredentials(row.Credentials)
 	if err != nil {
-		return model.ChannelDTO{}, err
+		return do.ChannelDTO{}, err
 	}
 	extra := ParseExtra(row.Extra)
 
@@ -120,30 +121,30 @@ func UpdateChannel(ctx context.Context, id uint64, req model.UpdateChannelReques
 			merged[k] = v
 		}
 		if err := ValidateCredentials(row.Type, merged, true); err != nil {
-			return model.ChannelDTO{}, err
+			return do.ChannelDTO{}, err
 		}
 		creds = merged
 	}
 
 	cipher, err := EncryptCredentials(creds)
 	if err != nil {
-		return model.ChannelDTO{}, err
+		return do.ChannelDTO{}, err
 	}
 	row.Credentials = cipher
 	row.Extra = EncodeExtra(extra)
-	if err := repository.UpdateMessageChannel(ctx, row); err != nil {
-		return model.ChannelDTO{}, err
+	if err := dao.UpdateMessageChannel(ctx, row); err != nil {
+		return do.ChannelDTO{}, err
 	}
 	return ToDTO(row, creds, extra), nil
 }
 
 // ListChannels returns every channel with secrets masked.
-func ListChannels(ctx context.Context) ([]model.ChannelDTO, error) {
-	rows, err := repository.ListMessageChannels(ctx)
+func ListChannels(ctx context.Context) ([]do.ChannelDTO, error) {
+	rows, err := dao.ListMessageChannels(ctx)
 	if err != nil {
 		return nil, err
 	}
-	out := make([]model.ChannelDTO, 0, len(rows))
+	out := make([]do.ChannelDTO, 0, len(rows))
 	for i := range rows {
 		creds, _ := DecryptCredentials(rows[i].Credentials)
 		extra := ParseExtra(rows[i].Extra)
@@ -154,21 +155,21 @@ func ListChannels(ctx context.Context) ([]model.ChannelDTO, error) {
 
 // DeleteChannel removes a channel together with its bindings and pairing codes.
 func DeleteChannel(ctx context.Context, id uint64) error {
-	if _, err := repository.GetMessageChannel(ctx, id); err != nil {
-		if errors.Is(err, errs.ErrRecordNotFound) {
-			return errors.New(errs.ErrChannelNotFound)
+	if _, err := dao.GetMessageChannel(ctx, id); err != nil {
+		if errors.Is(err, consts.ErrRecordNotFound) {
+			return errors.New(consts.ErrChannelNotFound)
 		}
 		return err
 	}
-	return repository.DeleteMessageChannel(ctx, id)
+	return dao.DeleteMessageChannel(ctx, id)
 }
 
 // ProbeChannel verifies the stored credentials against the upstream platform.
 func ProbeChannel(ctx context.Context, id uint64) error {
-	row, err := repository.GetMessageChannel(ctx, id)
+	row, err := dao.GetMessageChannel(ctx, id)
 	if err != nil {
-		if errors.Is(err, errs.ErrRecordNotFound) {
-			return errors.New(errs.ErrChannelNotFound)
+		if errors.Is(err, consts.ErrRecordNotFound) {
+			return errors.New(consts.ErrChannelNotFound)
 		}
 		return err
 	}
@@ -177,12 +178,12 @@ func ProbeChannel(ctx context.Context, id uint64) error {
 		return err
 	}
 	switch row.Type {
-	case model.MessageChannelTypeTelegram:
+	case consts.MessageChannelTypeTelegram:
 		return ProbeTelegram(ctx, creds)
-	case model.MessageChannelTypeQQ:
+	case consts.MessageChannelTypeQQ:
 		return ProbeQQ(ctx, creds)
 	default:
-		return errors.New(errs.ErrTypeInvalid)
+		return errors.New(consts.ErrTypeInvalid)
 	}
 }
 
@@ -190,7 +191,7 @@ func ProbeChannel(ctx context.Context, id uint64) error {
 func ProbeTelegram(ctx context.Context, creds map[string]string) error {
 	tok := creds["token"]
 	if strings.TrimSpace(tok) == "" {
-		return errors.New(errs.ErrMissingTelegramToken)
+		return errors.New(consts.ErrMissingTelegramToken)
 	}
 	base := creds["api_base"]
 	base = strings.TrimRight(strings.TrimSpace(base), "/")
@@ -210,7 +211,7 @@ func ProbeTelegram(ctx context.Context, creds map[string]string) error {
 	defer func() { _ = resp.Body.Close() }()
 	body, _ := io.ReadAll(resp.Body)
 	if resp.StatusCode != http.StatusOK {
-		return fmt.Errorf("%s (%d): %s", errs.ErrTelegramGetMeFailed, resp.StatusCode, string(body))
+		return fmt.Errorf("%s (%d): %s", consts.ErrTelegramGetMeFailed, resp.StatusCode, string(body))
 	}
 	var res struct {
 		OK bool `json:"ok"`
@@ -219,7 +220,7 @@ func ProbeTelegram(ctx context.Context, creds map[string]string) error {
 		return err
 	}
 	if !res.OK {
-		return fmt.Errorf("%s: %s", errs.ErrTelegramNotOK, string(body))
+		return fmt.Errorf("%s: %s", consts.ErrTelegramNotOK, string(body))
 	}
 	return nil
 }
@@ -229,7 +230,7 @@ func ProbeQQ(_ context.Context, creds map[string]string) error {
 	appID := strings.TrimSpace(creds["app_id"])
 	secret := strings.TrimSpace(creds["client_secret"])
 	if appID == "" || secret == "" {
-		return errors.New(errs.ErrMissingQQCredentials)
+		return errors.New(consts.ErrMissingQQCredentials)
 	}
 	credentials := &token.QQBotCredentials{
 		AppID:     appID,
@@ -238,10 +239,10 @@ func ProbeQQ(_ context.Context, creds map[string]string) error {
 	tokSrc := token.NewQQBotTokenSource(credentials)
 	tok, err := tokSrc.Token()
 	if err != nil {
-		return fmt.Errorf("%s: %w", errs.ErrQQTokenFetchFailed, err)
+		return fmt.Errorf("%s: %w", consts.ErrQQTokenFetchFailed, err)
 	}
 	if tok == nil || tok.AccessToken == "" {
-		return errors.New(errs.ErrQQEmptyToken)
+		return errors.New(consts.ErrQQEmptyToken)
 	}
 	return nil
 }
@@ -249,31 +250,31 @@ func ProbeQQ(_ context.Context, creds map[string]string) error {
 // ValidateCredentials checks the admin submitted credentials for a channel type.
 func ValidateCredentials(t string, creds map[string]string, isUpdate bool) error {
 	switch t {
-	case model.MessageChannelTypeTelegram:
+	case consts.MessageChannelTypeTelegram:
 		tok := creds["token"]
 		if strings.TrimSpace(tok) == "" && !isUpdate {
-			return errors.New(errs.ErrTelegramTokenRequired)
+			return errors.New(consts.ErrTelegramTokenRequired)
 		}
 		if base, ok := creds["api_base"]; ok && strings.TrimSpace(base) != "" {
 			if !strings.HasPrefix(base, "http://") && !strings.HasPrefix(base, "https://") {
-				return errors.New(errs.ErrAPIBaseInvalid)
+				return errors.New(consts.ErrAPIBaseInvalid)
 			}
 		}
-	case model.MessageChannelTypeQQ:
+	case consts.MessageChannelTypeQQ:
 		appID := creds["app_id"]
 		secret := creds["client_secret"]
 		if (strings.TrimSpace(appID) == "" || strings.TrimSpace(secret) == "") && !isUpdate {
-			return errors.New(errs.ErrQQCredentialsRequired)
+			return errors.New(consts.ErrQQCredentialsRequired)
 		}
 	default:
-		return errors.New(errs.ErrTypeInvalid)
+		return errors.New(consts.ErrTypeInvalid)
 	}
 	return nil
 }
 
 // ToDTO projects a channel row onto the admin DTO with credentials masked.
-func ToDTO(row *model.MessageChannel, creds, extra map[string]string) model.ChannelDTO {
-	return model.ChannelDTO{
+func ToDTO(row *entity.MessageChannel, creds, extra map[string]string) do.ChannelDTO {
+	return do.ChannelDTO{
 		ID:          row.ID,
 		Name:        row.Name,
 		Type:        row.Type,

backend/plugins/domain/msg_gateway/service/dispatch.go

@@ -6,9 +6,10 @@ package service
 import (
 	"Wavelet/core/contracts"
 	"Wavelet/pkg/logger"
-	"Wavelet/plugins/domain/message_gateway/errs"
-	"Wavelet/plugins/domain/message_gateway/model"
-	"Wavelet/plugins/domain/message_gateway/repository"
+	"Wavelet/plugins/domain/msg_gateway/consts"
+	"Wavelet/plugins/domain/msg_gateway/dao"
+	"Wavelet/plugins/domain/msg_gateway/model/do"
+	"Wavelet/plugins/domain/msg_gateway/model/entity"
 	"context"
 	"encoding/json"
 	"errors"
@@ -18,9 +19,9 @@ import (
 
 const (
 	// TaskDispatchBotMsg is the queue pattern for bot downlink dispatch.
-	TaskDispatchBotMsg = "message_gateway:dispatch_bot_msg"
+	TaskDispatchBotMsg = consts.TaskDispatchBotMsg
 	// TaskTypeDispatchBotMsg is the admin type identifier for bot downlink dispatch.
-	TaskTypeDispatchBotMsg = "dispatch_bot_msg"
+	TaskTypeDispatchBotMsg = consts.TaskTypeDispatchBotMsg
 
 	taskQueueDefault    = "default"
 	taskParamTypeString = "string"
@@ -38,7 +39,7 @@ var BotDispatchMeta = contracts.TaskMetaDTO{
 	Queue:       taskQueueDefault,
 	Retryable:   true,
 	Params: []contracts.TaskParamDTO{
-		{Name: paramNameText, Label: "消息内容", Type: model.TypeText, Required: true, Placeholder: "要发送的文本", Description: "下发给绑定用户的文本"},
+		{Name: paramNameText, Label: "消息内容", Type: consts.TypeText, Required: true, Placeholder: "要发送的文本", Description: "下发给绑定用户的文本"},
 		{Name: "channel_id", Label: "频道 ID", Type: taskParamTypeString, Required: false, Placeholder: "留空表示全部启用频道", Description: "仅向指定频道的绑定发送"},
 		{Name: "user_id", Label: "用户 ID", Type: taskParamTypeString, Required: false, Placeholder: "留空表示频道下全部绑定", Description: "仅向指定 Wavelet 用户的绑定发送"},
 	},
@@ -69,7 +70,7 @@ func (h *BotDispatchHandler) Execute(ctx context.Context, payload []byte) (*cont
 		return nil, err
 	}
 
-	channels, err := repository.ListEnabledMessageChannels(ctx)
+	channels, err := dao.ListEnabledMessageChannels(ctx)
 	if err != nil {
 		return nil, err
 	}
@@ -82,7 +83,7 @@ func (h *BotDispatchHandler) Execute(ctx context.Context, payload []byte) (*cont
 		}
 		channels = filtered
 		if len(channels) == 0 {
-			return nil, errors.New(errs.ErrChannelNotFound)
+			return nil, errors.New(consts.ErrChannelNotFound)
 		}
 	}
 
@@ -107,20 +108,20 @@ func parseBotDispatchPayload(payload []byte) (botDispatchPayload, error) {
 	var p botDispatchPayload
 	if len(payload) > 0 {
 		if err := json.Unmarshal(payload, &p); err != nil {
-			return p, fmt.Errorf("%s: %w", errs.ErrInvalidJSONFormat, err)
+			return p, fmt.Errorf("%s: %w", consts.ErrInvalidJSONFormat, err)
 		}
 	}
 	p.Text = strings.TrimSpace(p.Text)
 	if p.Text == "" {
-		return p, errors.New(errs.ErrBotDispatchTextRequired)
+		return p, errors.New(consts.ErrBotDispatchTextRequired)
 	}
 	return p, nil
 }
 
-func dispatchOnChannel(ctx context.Context, row *model.MessageChannel, userID uint64, text string) (sent, failed int) {
+func dispatchOnChannel(ctx context.Context, row *entity.MessageChannel, userID uint64, text string) (sent, failed int) {
 	factory, ok := Lookup(row.Type)
 	if !ok {
-		logger.ErrorF(ctx, "bot dispatch: %s type=%s", errs.ErrBotChannelNotRegistered, row.Type)
+		logger.ErrorF(ctx, "bot dispatch: %s type=%s", consts.ErrBotChannelNotRegistered, row.Type)
 		return 0, 1
 	}
 	cfg, err := channelConfigFromRow(row)
@@ -139,7 +140,7 @@ func dispatchOnChannel(ctx context.Context, row *model.MessageChannel, userID ui
 	}
 	defer func() { _ = ch.Disconnect(ctx) }()
 
-	bindings, err := repository.ListBindingsByChannel(ctx, row.ID)
+	bindings, err := dao.ListBindingsByChannel(ctx, row.ID)
 	if err != nil {
 		logger.ErrorF(ctx, "bot dispatch: list bindings %d: %v", row.ID, err)
 		return 0, 1
@@ -148,11 +149,11 @@ func dispatchOnChannel(ctx context.Context, row *model.MessageChannel, userID ui
 		if userID != 0 && bindings[i].UserID != userID {
 			continue
 		}
-		to := model.Recipient{
+		to := do.Recipient{
 			ChatID:         bindings[i].PlatformUserID,
 			PlatformUserID: bindings[i].PlatformUserID,
 		}
-		if err := ch.Send(ctx, to, model.OutboundMessage{Text: text}); err != nil {
+		if err := ch.Send(ctx, to, do.OutboundMessage{Text: text}); err != nil {
 			logger.ErrorF(ctx, "bot dispatch: send channel=%d user=%d: %v", row.ID, bindings[i].UserID, err)
 			failed++
 			continue
@@ -162,10 +163,10 @@ func dispatchOnChannel(ctx context.Context, row *model.MessageChannel, userID ui
 	return sent, failed
 }
 
-func channelConfigFromRow(row *model.MessageChannel) (model.ChannelConfig, error) {
+func channelConfigFromRow(row *entity.MessageChannel) (do.ChannelConfig, error) {
 	creds, err := DecryptCredentials(row.Credentials)
 	if err != nil {
-		return model.ChannelConfig{}, err
+		return do.ChannelConfig{}, err
 	}
 	if creds == nil {
 		creds = map[string]string{}
@@ -180,7 +181,7 @@ func channelConfigFromRow(row *model.MessageChannel) (model.ChannelConfig, error
 	if extra["base_url"] == "" && creds["api_base"] != "" {
 		extra["base_url"] = creds["api_base"]
 	}
-	return model.ChannelConfig{
+	return do.ChannelConfig{
 		ID:          row.ID,
 		Type:        row.Type,
 		Name:        row.Name,

backend/plugins/domain/msg_gateway/service/dispatch_test.go

@@ -4,7 +4,9 @@
 package service_test
 
 import (
-	"Wavelet/plugins/domain/message_gateway/service"
+	"Wavelet/plugins/domain/msg_gateway/dao"
+	"Wavelet/plugins/domain/msg_gateway/model/entity"
+	"Wavelet/plugins/domain/msg_gateway/service"
 	"context"
 	"path/filepath"
 	"testing"
@@ -13,9 +15,6 @@ import (
 	"github.com/stretchr/testify/assert"
 	"github.com/stretchr/testify/require"
 	"gorm.io/gorm"
-
-	"Wavelet/plugins/domain/message_gateway/model"
-	"Wavelet/plugins/domain/message_gateway/repository"
 )
 
 type dispatchTestDB struct{ db *gorm.DB }
@@ -35,9 +34,9 @@ func TestBotDispatchValidatePayload(t *testing.T) {
 func TestBotDispatchNoChannels(t *testing.T) {
 	testDB, err := gorm.Open(sqlite.Open(filepath.Join(t.TempDir(), "dispatch.db")), &gorm.Config{})
 	require.NoError(t, err)
-	require.NoError(t, testDB.AutoMigrate(&model.MessageChannel{}, &model.MessageBinding{}))
-	repository.SetDBServiceForTest(&dispatchTestDB{db: testDB})
-	t.Cleanup(func() { repository.SetDBServiceForTest(nil) })
+	require.NoError(t, testDB.AutoMigrate(&entity.MessageChannel{}, &entity.MessageBinding{}))
+	dao.SetDBServiceForTest(&dispatchTestDB{db: testDB})
+	t.Cleanup(func() { dao.SetDBServiceForTest(nil) })
 
 	h := &service.BotDispatchHandler{}
 	res, err := h.Execute(context.Background(), []byte(`{"text":"hello"}`))

backend/plugins/domain/msg_gateway/service/push.go

@@ -7,10 +7,11 @@ import (
 	"Wavelet/core/contracts"
 	"Wavelet/pkg/logger"
 	"Wavelet/pkg/util"
-	"Wavelet/plugins/domain/message_gateway/errs"
-	"Wavelet/plugins/domain/message_gateway/model"
-	pkgpush "Wavelet/plugins/domain/message_gateway/push"
-	"Wavelet/plugins/domain/message_gateway/repository"
+	"Wavelet/plugins/domain/msg_gateway/consts"
+	"Wavelet/plugins/domain/msg_gateway/dao"
+	"Wavelet/plugins/domain/msg_gateway/model/do"
+	"Wavelet/plugins/domain/msg_gateway/model/entity"
+	pkgpush "Wavelet/plugins/domain/msg_gateway/push"
 	"context"
 	"encoding/json"
 	"errors"
@@ -24,11 +25,11 @@ import (
 var (
 	builtInEventsMu sync.RWMutex
 	// BuiltInEvents lists all built-in events defined in custom_events.
-	BuiltInEvents []model.EventMetadata
+	BuiltInEvents []do.EventMetadata
 )
 
 // RegisterBuiltInEvent registers a built-in event definition.
-func RegisterBuiltInEvent(meta model.EventMetadata) {
+func RegisterBuiltInEvent(meta do.EventMetadata) {
 	builtInEventsMu.Lock()
 	defer builtInEventsMu.Unlock()
 	for i, e := range BuiltInEvents {
@@ -41,10 +42,10 @@ func RegisterBuiltInEvent(meta model.EventMetadata) {
 }
 
 // GetBuiltInEvents returns a copy of registered built-in events.
-func GetBuiltInEvents() []model.EventMetadata {
+func GetBuiltInEvents() []do.EventMetadata {
 	builtInEventsMu.RLock()
 	defer builtInEventsMu.RUnlock()
-	out := make([]model.EventMetadata, len(BuiltInEvents))
+	out := make([]do.EventMetadata, len(BuiltInEvents))
 	copy(out, BuiltInEvents)
 	return out
 }
@@ -62,12 +63,12 @@ func (PushRegistryAdapter) SyncEvents(ctx context.Context) error {
 	return SyncEvents(ctx)
 }
 
-func eventMetadataFromContract(meta contracts.PushEventMeta) model.EventMetadata {
-	return model.EventMetadata{
+func eventMetadataFromContract(meta contracts.PushEventMeta) do.EventMetadata {
+	return do.EventMetadata{
 		Key:         meta.Key,
 		Name:        meta.Name,
 		Description: meta.Description,
-		DefaultTemplate: model.NotificationMessage{
+		DefaultTemplate: do.NotificationMessage{
 			Title:   meta.DefaultTemplate.Title,
 			Content: meta.DefaultTemplate.Content,
 			Level:   meta.DefaultTemplate.Level,
@@ -79,13 +80,13 @@ func eventMetadataFromContract(meta contracts.PushEventMeta) model.EventMetadata
 // SyncBuiltInEvents seeds a database row for every registered built-in event.
 func SyncBuiltInEvents(ctx context.Context) error {
 	for _, meta := range GetBuiltInEvents() {
-		_, err := repository.GetPushEventByKeyRecord(ctx, meta.Key)
-		if errors.Is(err, errs.ErrRecordNotFound) {
+		_, err := dao.GetPushEventByKeyRecord(ctx, meta.Key)
+		if errors.Is(err, consts.ErrRecordNotFound) {
 			var defaultTemplateStr string
 			if defaultTemplateBytes, err := json.Marshal(meta.DefaultTemplate); err == nil {
 				defaultTemplateStr = string(defaultTemplateBytes)
 			}
-			event := model.PushEvent{
+			event := entity.PushEvent{
 				EventKey: meta.Key,
 				Name:     meta.Name,
 				Channels: []string{},
@@ -93,7 +94,7 @@ func SyncBuiltInEvents(ctx context.Context) error {
 				Template: defaultTemplateStr,
 				Enabled:  false,
 			}
-			if err := repository.CreatePushEventRecord(ctx, &event); err != nil {
+			if err := dao.CreatePushEventRecord(ctx, &event); err != nil {
 				return err
 			}
 		} else if err != nil {
@@ -104,23 +105,23 @@ func SyncBuiltInEvents(ctx context.Context) error {
 }
 
 // ListPushEvents lists all configured push events.
-func ListPushEvents(ctx context.Context) ([]model.PushEvent, error) {
-	return repository.ListPushEventsRecord(ctx)
+func ListPushEvents(ctx context.Context) ([]entity.PushEvent, error) {
+	return dao.ListPushEventsRecord(ctx)
 }
 
 // CreatePushEvent stores a push event configuration for a built-in event or task type.
-func CreatePushEvent(ctx context.Context, req model.CreatePushEventRequest) (model.PushEvent, error) {
+func CreatePushEvent(ctx context.Context, req do.CreatePushEventRequest) (entity.PushEvent, error) {
 	eventKey, eventName, defaultTemplateBytes, err := GetEventInfo(ctx, req)
 	if err != nil {
-		return model.PushEvent{}, err
+		return entity.PushEvent{}, err
 	}
 
-	count, err := repository.CountPushEventsByKeyRecord(ctx, eventKey)
+	count, err := dao.CountPushEventsByKeyRecord(ctx, eventKey)
 	if err != nil {
-		return model.PushEvent{}, err
+		return entity.PushEvent{}, err
 	}
 	if count > 0 {
-		return model.PushEvent{}, errors.New(errs.ErrEventAlreadyConfigured)
+		return entity.PushEvent{}, errors.New(consts.ErrEventAlreadyConfigured)
 	}
 
 	templateStr := strings.TrimSpace(req.Template)
@@ -129,7 +130,7 @@ func CreatePushEvent(ctx context.Context, req model.CreatePushEventRequest) (mod
 	} else {
 		var tempMap map[string]any
 		if err := json.Unmarshal([]byte(templateStr), &tempMap); err != nil {
-			return model.PushEvent{}, errors.New(errs.ErrTemplateInvalidJSON)
+			return entity.PushEvent{}, errors.New(consts.ErrTemplateInvalidJSON)
 		}
 	}
 
@@ -142,7 +143,7 @@ func CreatePushEvent(ctx context.Context, req model.CreatePushEventRequest) (mod
 		targets = []string{}
 	}
 
-	event := model.PushEvent{
+	event := entity.PushEvent{
 		EventKey: eventKey,
 		Name:     eventName,
 		TaskType: req.TaskType,
@@ -152,26 +153,26 @@ func CreatePushEvent(ctx context.Context, req model.CreatePushEventRequest) (mod
 		Enabled:  req.Enabled,
 	}
 	if err := event.Validate(); err != nil {
-		return model.PushEvent{}, err
+		return entity.PushEvent{}, err
 	}
-	if err := repository.CreatePushEventRecord(ctx, &event); err != nil {
-		return model.PushEvent{}, err
+	if err := dao.CreatePushEventRecord(ctx, &event); err != nil {
+		return entity.PushEvent{}, err
 	}
 	return event, nil
 }
 
 // DeletePushEvent deletes a push event configuration by id.
 func DeletePushEvent(ctx context.Context, id uint64) error {
-	event, err := repository.GetPushEventByIDRecord(ctx, id)
+	event, err := dao.GetPushEventByIDRecord(ctx, id)
 	if err != nil {
 		return err
 	}
-	return repository.DeletePushEventRecord(ctx, &event)
+	return dao.DeletePushEventRecord(ctx, &event)
 }
 
 // UpdatePushEvent replaces mutable push event fields.
-func UpdatePushEvent(ctx context.Context, id uint64, req model.UpdatePushEventRequest) error {
-	event, err := repository.GetPushEventByIDRecord(ctx, id)
+func UpdatePushEvent(ctx context.Context, id uint64, req do.UpdatePushEventRequest) error {
+	event, err := dao.GetPushEventByIDRecord(ctx, id)
 	if err != nil {
 		return err
 	}
@@ -183,37 +184,37 @@ func UpdatePushEvent(ctx context.Context, id uint64, req model.UpdatePushEventRe
 	if err := event.Validate(); err != nil {
 		return err
 	}
-	return repository.SavePushEventRecord(ctx, &event)
+	return dao.SavePushEventRecord(ctx, &event)
 }
 
 // TogglePushEvent flips the enabled flag of a push event.
 func TogglePushEvent(ctx context.Context, id uint64) (bool, error) {
-	event, err := repository.GetPushEventByIDRecord(ctx, id)
+	event, err := dao.GetPushEventByIDRecord(ctx, id)
 	if err != nil {
 		return false, err
 	}
 
 	enabled := !event.Enabled
 	if enabled && len(event.Channels) == 0 {
-		return false, errors.New(errs.ErrEnableWithoutChannels)
+		return false, errors.New(consts.ErrEnableWithoutChannels)
 	}
-	if err := repository.UpdatePushEventEnabledRecord(ctx, &event, enabled); err != nil {
+	if err := dao.UpdatePushEventEnabledRecord(ctx, &event, enabled); err != nil {
 		return false, err
 	}
 	return enabled, nil
 }
 
 // ListPushHistories returns a paginated push delivery audit page.
-func ListPushHistories(ctx context.Context, filter model.PushHistoryListFilter) (int64, []model.PushHistory, error) {
-	return repository.ListPushHistoriesRecord(ctx, filter)
+func ListPushHistories(ctx context.Context, filter do.PushHistoryListFilter) (int64, []entity.PushHistory, error) {
+	return dao.ListPushHistoriesRecord(ctx, filter)
 }
 
 // ApplySMTPFallbackToPushConfig fills an email config from the system SMTP settings.
 func ApplySMTPFallbackToPushConfig(ctx context.Context, cfg *pkgpush.Config) {
-	if cfg.Channel != model.ChannelEmail || (cfg.URL != "" && cfg.Key != "") {
+	if cfg.Channel != consts.ChannelEmail || (cfg.URL != "" && cfg.Key != "") {
 		return
 	}
-	smtp, err := repository.LoadSMTPConfigRecord(ctx)
+	smtp, err := dao.LoadSMTPConfigRecord(ctx)
 	if err != nil {
 		logger.ErrorF(ctx, "[Push] 读取 SMTP 系统配置失败: %v", err)
 		return
@@ -237,15 +238,15 @@ func RunPushTest(ctx context.Context, cfg pkgpush.Config, target string) error {
 		return err
 	}
 	if err := pusher.ValidateConfig(cfg); err != nil {
-		return fmt.Errorf("%s: %w", errs.ErrValidationFailed, err)
+		return fmt.Errorf("%s: %w", consts.ErrValidationFailed, err)
 	}
 
 	ApplySMTPFallbackToPushConfig(ctx, &cfg)
 
 	testBody := map[string]any{
-		model.KeyTitle:   "测试通道推送",
-		model.KeyContent: "当您收到这条消息，说明当前渠道连通性测试通过。",
-		model.KeyLevel:   model.DefaultLevelInfo,
+		consts.KeyTitle:   "测试通道推送",
+		consts.KeyContent: "当您收到这条消息，说明当前渠道连通性测试通过。",
+		consts.KeyLevel:   consts.DefaultLevelInfo,
 	}
 	if _, err := pusher.Send(ctx, cfg, target, testBody, "", nil); err != nil {
 		return err
@@ -254,21 +255,21 @@ func RunPushTest(ctx context.Context, cfg pkgpush.Config, target string) error {
 }
 
 // ListPushChannels returns every configured push channel.
-func ListPushChannels(ctx context.Context) ([]model.PushChannel, error) {
-	return repository.ListPushChannelsRecord(ctx)
+func ListPushChannels(ctx context.Context) ([]entity.PushChannel, error) {
+	return dao.ListPushChannelsRecord(ctx)
 }
 
 // CreatePushChannel validates uniqueness and persists a new push channel.
-func CreatePushChannel(ctx context.Context, req model.CreatePushChannelRequest) (model.PushChannel, error) {
-	count, err := repository.CountPushChannelsByNameRecord(ctx, req.Name)
+func CreatePushChannel(ctx context.Context, req do.CreatePushChannelRequest) (entity.PushChannel, error) {
+	count, err := dao.CountPushChannelsByNameRecord(ctx, req.Name)
 	if err != nil {
-		return model.PushChannel{}, err
+		return entity.PushChannel{}, err
 	}
 	if count > 0 {
-		return model.PushChannel{}, errors.New(errs.ErrChannelNameExists)
+		return entity.PushChannel{}, errors.New(consts.ErrChannelNameExists)
 	}
 
-	channel := model.PushChannel{
+	channel := entity.PushChannel{
 		Name:        req.Name,
 		Description: req.Description,
 		Type:        req.Type,
@@ -278,19 +279,19 @@ func CreatePushChannel(ctx context.Context, req model.CreatePushChannelRequest)
 		Enabled:     req.Enabled,
 	}
 	if err := channel.Validate(); err != nil {
-		return model.PushChannel{}, err
+		return entity.PushChannel{}, err
 	}
-	if err := repository.CreatePushChannelRecord(ctx, &channel); err != nil {
-		return model.PushChannel{}, err
+	if err := dao.CreatePushChannelRecord(ctx, &channel); err != nil {
+		return entity.PushChannel{}, err
 	}
 	return channel, nil
 }
 
 // UpdatePushChannel replaces the mutable fields of an existing push channel.
-func UpdatePushChannel(ctx context.Context, id uint64, req model.UpdatePushChannelRequest) (model.PushChannel, error) {
-	channel, err := repository.GetPushChannelByIDRecord(ctx, id)
+func UpdatePushChannel(ctx context.Context, id uint64, req do.UpdatePushChannelRequest) (entity.PushChannel, error) {
+	channel, err := dao.GetPushChannelByIDRecord(ctx, id)
 	if err != nil {
-		return model.PushChannel{}, err
+		return entity.PushChannel{}, err
 	}
 
 	channel.Description = req.Description
@@ -300,30 +301,30 @@ func UpdatePushChannel(ctx context.Context, id uint64, req model.UpdatePushChann
 	channel.Other = req.Other
 	channel.Enabled = req.Enabled
 	if err := channel.Validate(); err != nil {
-		return model.PushChannel{}, err
+		return entity.PushChannel{}, err
 	}
-	if err := repository.SavePushChannelRecord(ctx, &channel); err != nil {
-		return model.PushChannel{}, err
+	if err := dao.SavePushChannelRecord(ctx, &channel); err != nil {
+		return entity.PushChannel{}, err
 	}
 	return channel, nil
 }
 
 // DeletePushChannel removes a push channel by id.
 func DeletePushChannel(ctx context.Context, id uint64) error {
-	channel, err := repository.GetPushChannelByIDRecord(ctx, id)
+	channel, err := dao.GetPushChannelByIDRecord(ctx, id)
 	if err != nil {
 		return err
 	}
-	return repository.DeletePushChannelRecord(ctx, &channel)
+	return dao.DeletePushChannelRecord(ctx, &channel)
 }
 
 // LoadChannelForTest resolves the credentials under test, either from a stored
 // channel name or from the ad-hoc values sent by the caller.
-func LoadChannelForTest(ctx context.Context, req model.TestPushChannelRequest) (string, string, string, string, error) {
+func LoadChannelForTest(ctx context.Context, req do.TestPushChannelRequest) (string, string, string, string, error) {
 	if req.Name != "" {
-		channel, err := repository.GetPushChannelByNameRecord(ctx, req.Name)
+		channel, err := dao.GetPushChannelByNameRecord(ctx, req.Name)
 		if err != nil {
-			return "", "", "", "", errors.New(errs.ErrChannelNotFound)
+			return "", "", "", "", errors.New(consts.ErrChannelNotFound)
 		}
 		return channel.URL, channel.Token, channel.Other, channel.Type, nil
 	}
@@ -331,17 +332,17 @@ func LoadChannelForTest(ctx context.Context, req model.TestPushChannelRequest) (
 }
 
 // PreparePushChannelTest builds the connectivity probe payload for a channel.
-func PreparePushChannelTest(ctx context.Context, req model.TestPushChannelRequest) (model.SendPayload, error) {
+func PreparePushChannelTest(ctx context.Context, req do.TestPushChannelRequest) (do.SendPayload, error) {
 	url, token, other, channelType, err := LoadChannelForTest(ctx, req)
 	if err != nil {
-		return model.SendPayload{}, err
+		return do.SendPayload{}, err
 	}
 
-	if channelType == model.ChannelEmail {
+	if channelType == consts.ChannelEmail {
 		url, token, other = ResolveSMTPConfig(ctx, url, token, other)
 	}
 
-	tempChannel := model.PushChannel{
+	tempChannel := entity.PushChannel{
 		Name:    "test_temp",
 		URL:     url,
 		Token:   token,
@@ -350,23 +351,23 @@ func PreparePushChannelTest(ctx context.Context, req model.TestPushChannelReques
 		Enabled: true,
 	}
 	if err := tempChannel.Validate(); err != nil {
-		return model.SendPayload{}, err
+		return do.SendPayload{}, err
 	}
 	url = tempChannel.URL
 
 	var config pkgpush.Config
 	var renderedJSON string
 	switch channelType {
-	case model.ChannelLark:
-		config = pkgpush.Config{Channel: model.ChannelLark, URL: url, Secret: token}
+	case consts.ChannelLark:
+		config = pkgpush.Config{Channel: consts.ChannelLark, URL: url, Secret: token}
 		renderedJSON = other
-	case model.ChannelEmail:
-		config = pkgpush.Config{Channel: model.ChannelEmail, URL: url, Key: token, Secret: other}
-	case model.ChannelTelegram:
-		config = pkgpush.Config{Channel: model.ChannelTelegram, URL: url, Secret: token, Key: other}
+	case consts.ChannelEmail:
+		config = pkgpush.Config{Channel: consts.ChannelEmail, URL: url, Key: token, Secret: other}
+	case consts.ChannelTelegram:
+		config = pkgpush.Config{Channel: consts.ChannelTelegram, URL: url, Secret: token, Key: other}
 	default:
-		config = pkgpush.Config{Channel: model.ChannelCustom, URL: url}
-		customPushReq := model.CustomPushRequest{
+		config = pkgpush.Config{Channel: consts.ChannelCustom, URL: url}
+		customPushReq := do.CustomPushRequest{
 			Title:       "通道测试通知",
 			Content:     "这是一条来自系统的消息通道连通性测试消息。",
 			Description: "系统通道测试",
@@ -376,14 +377,14 @@ func PreparePushChannelTest(ctx context.Context, req model.TestPushChannelReques
 		renderedJSON = RenderCustomPayload(other, customPushReq)
 	}
 
-	return model.SendPayload{
+	return do.SendPayload{
 		EventKey: "test_channel",
 		Config:   config,
 		Target:   req.Target,
-		Body: model.NotificationMessage{
+		Body: do.NotificationMessage{
 			Title:   "通道测试通知",
 			Content: "这是一条来自系统的消息通道连通性测试消息。",
-			Level:   model.DefaultLevelInfo,
+			Level:   consts.DefaultLevelInfo,
 		},
 		Template: renderedJSON,
 	}, nil
@@ -391,7 +392,7 @@ func PreparePushChannelTest(ctx context.Context, req model.TestPushChannelReques
 
 // RenderCustomPayload substitutes the supported template variables of a custom
 // webhook body, JSON-escaping every injected value.
-func RenderCustomPayload(template string, req model.CustomPushRequest) string {
+func RenderCustomPayload(template string, req do.CustomPushRequest) string {
 	result := template
 	result = strings.ReplaceAll(result, "$title", EscapeJSONString(req.Title))
 	result = strings.ReplaceAll(result, "$description", EscapeJSONString(req.Description))
@@ -412,20 +413,20 @@ func EscapeJSONString(s string) string {
 }
 
 // ListActivePushEventsByTaskType returns enabled push events for a given task type.
-func ListActivePushEventsByTaskType(ctx context.Context, taskType string) ([]model.PushEvent, error) {
-	return repository.ListActivePushEventsByTaskTypeRecord(ctx, taskType)
+func ListActivePushEventsByTaskType(ctx context.Context, taskType string) ([]entity.PushEvent, error) {
+	return dao.ListActivePushEventsByTaskTypeRecord(ctx, taskType)
 }
 
 // QueryUser resolves a user through the UserService contract, falling back to the
-// repository read path while the contract is not wired yet.
+// DAO read path while the contract is not wired yet.
 func QueryUser(ctx context.Context, fromService func(contracts.UserService) (*contracts.UserDTO, error), dbField string, dbVal any) (*contracts.UserDTO, error) {
 	if userSvc := GetUserService(ctx); userSvc != nil {
 		return fromService(userSvc)
 	}
-	if user, err := repository.FindUserByFieldRecord(ctx, dbField, dbVal); err == nil && user != nil {
+	if user, err := dao.FindUserByFieldRecord(ctx, dbField, dbVal); err == nil && user != nil {
 		return user, nil
 	}
-	return nil, errors.New(errs.ErrUserNotFound)
+	return nil, errors.New(consts.ErrUserNotFound)
 }
 
 // FindUserByID resolves a user by primary key.
@@ -463,7 +464,7 @@ func LoadUserFromPayload(ctx context.Context, data map[string]any) any {
 }
 
 // RecordPushHistory creates a push history audit record.
-func RecordPushHistory(ctx context.Context, req model.SendPayload, status, errMsg string) error {
+func RecordPushHistory(ctx context.Context, req do.SendPayload, status, errMsg string) error {
 	title := req.Body.Title
 	content := req.Body.Content
 	level := req.Body.Level
@@ -471,7 +472,7 @@ func RecordPushHistory(ctx context.Context, req model.SendPayload, status, errMs
 		title = "系统通知"
 	}
 	if level == "" {
-		level = model.DefaultLevelInfo
+		level = consts.DefaultLevelInfo
 	}
 
 	target := req.Target
@@ -488,7 +489,7 @@ func RecordPushHistory(ctx context.Context, req model.SendPayload, status, errMs
 		}
 	}
 
-	history := model.PushHistory{
+	history := entity.PushHistory{
 		EventKey: req.EventKey,
 		Channel:  req.Config.Channel,
 		Target:   target,
@@ -498,7 +499,7 @@ func RecordPushHistory(ctx context.Context, req model.SendPayload, status, errMs
 		Status:   status,
 		ErrorMsg: errMsg,
 	}
-	return repository.CreatePushHistoryRecord(ctx, &history)
+	return dao.CreatePushHistoryRecord(ctx, &history)
 }
 
 // ResolveTarget parses dynamic placeholders into concrete receiver targets.
@@ -520,10 +521,10 @@ func ResolveTarget(ctx context.Context, target string, flatBody map[string]any,
 	if !found {
 		return resolved
 	}
-	if channel == model.ChannelEmail && user.Email != "" {
+	if channel == consts.ChannelEmail && user.Email != "" {
 		return user.Email
 	}
-	if channel != model.ChannelEmail && user.Username != "" {
+	if channel != consts.ChannelEmail && user.Username != "" {
 		return user.Username
 	}
 	return resolved
@@ -546,7 +547,7 @@ func ResolveDynamicKeyword(target string, flatBody map[string]any) string {
 		if val, ok := flatBody["username"]; ok {
 			return fmt.Sprintf("%v", val)
 		}
-	case "user.email", model.ChannelEmail:
+	case "user.email", consts.ChannelEmail:
 		if val, ok := flatBody["user.email"]; ok {
 			return fmt.Sprintf("%v", val)
 		}
@@ -571,15 +572,15 @@ func ResolveTargetUser(ctx context.Context, resolved, _ string) (contracts.UserD
 }
 
 // GetFirstAdminUser resolves the first administrator through the UserService
-// contract, falling back to the repository read path when it is unavailable.
+// contract, falling back to the DAO read path when it is unavailable.
 func GetFirstAdminUser(ctx context.Context) (*contracts.UserDTO, error) {
 	if userSvc := GetUserService(ctx); userSvc != nil {
 		return userSvc.GetFirstAdminUser(ctx)
 	}
-	if adminUser, err := repository.FindFirstAdminUserRecord(ctx); err == nil && adminUser != nil {
+	if adminUser, err := dao.FindFirstAdminUserRecord(ctx); err == nil && adminUser != nil {
 		return adminUser, nil
 	}
-	return nil, errors.New(errs.ErrNoAdminUser)
+	return nil, errors.New(consts.ErrNoAdminUser)
 }
 
 // ResolveSystemTarget maps system receiver aliases to administrator contact info.
@@ -591,10 +592,10 @@ func ResolveSystemTarget(ctx context.Context, resolved, channel string) (string,
 	if err != nil || adminUser == nil {
 		return resolved, true
 	}
-	if channel == model.ChannelEmail && adminUser.Email != "" {
+	if channel == consts.ChannelEmail && adminUser.Email != "" {
 		return adminUser.Email, true
 	}
-	if channel != model.ChannelEmail && adminUser.Username != "" {
+	if channel != consts.ChannelEmail && adminUser.Username != "" {
 		return adminUser.Username, true
 	}
 	return resolved, true
@@ -605,7 +606,7 @@ func ResolveSMTPConfig(ctx context.Context, url, token, other string) (string, s
 	if url != "" && token != "" {
 		return url, token, other
 	}
-	smtp, err := repository.LoadSMTPConfigRecord(ctx)
+	smtp, err := dao.LoadSMTPConfigRecord(ctx)
 	if err != nil {
 		logger.ErrorF(ctx, "[Push] 读取 SMTP 系统配置失败: %v", err)
 		return url, token, other
@@ -641,18 +642,18 @@ func GetSystemUser(ctx context.Context) *contracts.UserDTO {
 }
 
 // FindBuiltInEvent finds a registered built-in event by key.
-func FindBuiltInEvent(key string) (model.EventMetadata, bool) {
+func FindBuiltInEvent(key string) (do.EventMetadata, bool) {
 	for _, meta := range GetBuiltInEvents() {
 		if meta.Key == key {
 			return meta, true
 		}
 	}
-	return model.EventMetadata{}, false
+	return do.EventMetadata{}, false
 }
 
 // GetEventInfo derives the event key, display name and default template for a
 // task-completion based event or a registered built-in event key.
-func GetEventInfo(ctx context.Context, req model.CreatePushEventRequest) (string, string, []byte, error) {
+func GetEventInfo(ctx context.Context, req do.CreatePushEventRequest) (string, string, []byte, error) {
 	if req.TaskType != "" {
 		taskName := req.TaskType
 		if taskSvc := GetTaskService(ctx); taskSvc != nil {
@@ -662,10 +663,10 @@ func GetEventInfo(ctx context.Context, req model.CreatePushEventRequest) (string
 		}
 		eventKey := "task_completed:" + req.TaskType
 		eventName := "任务完成: " + taskName
-		defaultTemplate := model.NotificationMessage{
+		defaultTemplate := do.NotificationMessage{
 			Title:   "任务完成: " + taskName,
 			Content: "异步任务 {{task_name}} (ID: {{task_id}}) 已完成。状态: {{task_status}}，耗时: {{task_duration}} ms。",
-			Level:   model.DefaultLevelInfo,
+			Level:   consts.DefaultLevelInfo,
 		}
 		defaultTemplateBytes, err := json.Marshal(defaultTemplate)
 		if err != nil {
@@ -675,12 +676,12 @@ func GetEventInfo(ctx context.Context, req model.CreatePushEventRequest) (string
 	}
 
 	if req.EventKey == "" {
-		return "", "", nil, errors.New(errs.ErrEventKeyOrTaskType)
+		return "", "", nil, errors.New(consts.ErrEventKeyOrTaskType)
 	}
 
 	meta, found := FindBuiltInEvent(req.EventKey)
 	if !found {
-		return "", "", nil, errors.New(errs.ErrUnsupportedEventKey)
+		return "", "", nil, errors.New(consts.ErrUnsupportedEventKey)
 	}
 
 	defaultTemplateBytes, err := json.Marshal(meta.DefaultTemplate)
@@ -691,7 +692,7 @@ func GetEventInfo(ctx context.Context, req model.CreatePushEventRequest) (string
 }
 
 // EnqueuePushTask dispatches a notification payload to the async push worker.
-func EnqueuePushTask(ctx context.Context, payload model.SendPayload) error {
+func EnqueuePushTask(ctx context.Context, payload do.SendPayload) error {
 	payloadBytes, err := json.Marshal(payload)
 	if err != nil {
 		return err
@@ -700,7 +701,7 @@ func EnqueuePushTask(ctx context.Context, payload model.SendPayload) error {
 		_, err = taskSvc.Dispatch(ctx, "send_notification", payloadBytes, contracts.TaskTriggerSystem)
 		return err
 	}
-	return errors.New(errs.ErrTaskServiceUnavailable)
+	return errors.New(consts.ErrTaskServiceUnavailable)
 }
 
 // GetFlatBody flattens nested body map.
@@ -736,9 +737,9 @@ func FlattenMap(prefix string, m, result map[string]any) {
 
 const (
 	// SendNotificationTask is the asynq task name for push notification.
-	SendNotificationTask = "push:send"
+	SendNotificationTask = consts.SendNotificationTask
 	// TaskTypeSendNotification is the admin task manager type identifier.
-	TaskTypeSendNotification = "send_notification"
+	TaskTypeSendNotification = consts.TaskTypeSendNotification
 )
 
 // SendNotificationMeta represents the task metadata.
@@ -778,16 +779,16 @@ type PushHandler struct{}
 // ValidatePayload validates and normalizes push parameters.
 func (h *PushHandler) ValidatePayload(payload []byte) ([]byte, error) {
 	if len(payload) == 0 {
-		return nil, errors.New(errs.ErrPayloadRequired)
+		return nil, errors.New(consts.ErrPayloadRequired)
 	}
 
-	var req model.SendPayload
+	var req do.SendPayload
 	if err := json.Unmarshal(payload, &req); err != nil {
-		return nil, fmt.Errorf("%s: %w", errs.ErrInvalidJSONFormat, err)
+		return nil, fmt.Errorf("%s: %w", consts.ErrInvalidJSONFormat, err)
 	}
 
 	if req.Config.Channel == "" {
-		return nil, errors.New(errs.ErrChannelTypeRequired)
+		return nil, errors.New(consts.ErrChannelTypeRequired)
 	}
 
 	return json.Marshal(req)
@@ -795,17 +796,17 @@ func (h *PushHandler) ValidatePayload(payload []byte) ([]byte, error) {
 
 // Execute performs the push send and logs delivery history audit.
 func (h *PushHandler) Execute(ctx context.Context, payload []byte) error {
-	var req model.SendPayload
+	var req do.SendPayload
 	if err := json.Unmarshal(payload, &req); err != nil {
 		logger.ErrorF(ctx, "[Push] 解析推送参数失败: %v", err)
-		return fmt.Errorf("%s: %w", errs.ErrParsePayloadFailed, err)
+		return fmt.Errorf("%s: %w", consts.ErrParsePayloadFailed, err)
 	}
 
 	logger.InfoF(ctx, "[Push] 开始推送通知: 事件 = %s, 渠道 = %s, 接收目标 = %s", req.EventKey, req.Config.Channel, req.Target)
 
 	pusher, err := pkgpush.GetPusher(req.Config.Channel)
 	if err != nil {
-		errWrap := fmt.Errorf("%s: %w", errs.ErrGetPusherFailed, err)
+		errWrap := fmt.Errorf("%s: %w", consts.ErrGetPusherFailed, err)
 		logger.ErrorF(ctx, "[Push] 推送失败: %v", errWrap)
 		h.recordHistory(ctx, req, "failed", errWrap.Error())
 		return errWrap
@@ -829,7 +830,7 @@ func (h *PushHandler) Execute(ctx context.Context, payload []byte) error {
 	return nil
 }
 
-func (h *PushHandler) recordHistory(ctx context.Context, req model.SendPayload, status, errMsg string) {
+func (h *PushHandler) recordHistory(ctx context.Context, req do.SendPayload, status, errMsg string) {
 	if dbErr := RecordPushHistory(ctx, req, status, errMsg); dbErr != nil {
 		logger.ErrorF(ctx, "[Push] 写入推送历史审计记录失败: %v", dbErr)
 	}
@@ -873,7 +874,7 @@ func HandleTaskCompleted(ctx context.Context, e contracts.TaskCompletedEvent) {
 	}
 
 	for _, event := range events {
-		meta := model.EventMetadata{
+		meta := do.EventMetadata{
 			Key:         event.EventKey,
 			Name:        event.Name,
 			Description: "异步任务执行完毕触发的自动通知",
@@ -942,7 +943,7 @@ type EventTrigger struct{}
 var DefaultTrigger = &EventTrigger{}
 
 // Trigger receives event metadata and processes the event notification dispatch asynchronously.
-func (t *EventTrigger) Trigger(ctx context.Context, meta model.EventMetadata, body map[string]any) {
+func (t *EventTrigger) Trigger(ctx context.Context, meta do.EventMetadata, body map[string]any) {
 	asyncCtx := context.WithoutCancel(ctx)
 	util.Go(func() {
 		if body == nil {
@@ -952,9 +953,9 @@ func (t *EventTrigger) Trigger(ctx context.Context, meta model.EventMetadata, bo
 			body["user"] = GetSystemUser(asyncCtx)
 		}
 
-		eventPtr, err := repository.GetActivePushEventByKey(asyncCtx, meta.Key)
+		eventPtr, err := dao.GetActivePushEventByKey(asyncCtx, meta.Key)
 		if err != nil {
-			if errors.Is(err, errs.ErrRecordNotFound) {
+			if errors.Is(err, consts.ErrRecordNotFound) {
 				return
 			}
 			logger.ErrorF(asyncCtx, "push_event_trigger: failed to get active event %s: %v", meta.Key, err)
@@ -971,8 +972,8 @@ func (t *EventTrigger) Trigger(ctx context.Context, meta model.EventMetadata, bo
 	})
 }
 
-func (t *EventTrigger) buildMessage(event *model.PushEvent, meta model.EventMetadata, flatBody, body map[string]any) (model.NotificationMessage, string) {
-	var msg model.NotificationMessage
+func (t *EventTrigger) buildMessage(event *entity.PushEvent, meta do.EventMetadata, flatBody, body map[string]any) (do.NotificationMessage, string) {
+	var msg do.NotificationMessage
 	renderedTemplate := ""
 
 	templateSource := event.Template
@@ -982,7 +983,7 @@ func (t *EventTrigger) buildMessage(event *model.PushEvent, meta model.EventMeta
 		if err != nil {
 			msg.Title = event.Name
 			msg.Content = renderedTemplate
-			msg.Level = model.DefaultLevelInfo
+			msg.Level = consts.DefaultLevelInfo
 		}
 	} else {
 		msg = t.parseDefaultTemplate(meta, flatBody)
@@ -992,7 +993,7 @@ func (t *EventTrigger) buildMessage(event *model.PushEvent, meta model.EventMeta
 		msg.Ext = make(map[string]any)
 	}
 	for k, v := range body {
-		if k == model.KeyTitle || k == model.KeyContent || k == model.KeyLevel {
+		if k == consts.KeyTitle || k == consts.KeyContent || k == consts.KeyLevel {
 			continue
 		}
 		if _, exists := msg.Ext[k]; !exists {
@@ -1003,8 +1004,8 @@ func (t *EventTrigger) buildMessage(event *model.PushEvent, meta model.EventMeta
 	return msg, renderedTemplate
 }
 
-func (t *EventTrigger) parseCustomTemplate(event *model.PushEvent, templateSource string, flatBody map[string]any) (model.NotificationMessage, string, error) {
-	var msg model.NotificationMessage
+func (t *EventTrigger) parseCustomTemplate(event *entity.PushEvent, templateSource string, flatBody map[string]any) (do.NotificationMessage, string, error) {
+	var msg do.NotificationMessage
 	renderedTemplate := pkgpush.ParseTemplate(templateSource, flatBody)
 
 	var tMap map[string]any
@@ -1012,33 +1013,33 @@ func (t *EventTrigger) parseCustomTemplate(event *model.PushEvent, templateSourc
 		return msg, renderedTemplate, err
 	}
 
-	if title, ok := tMap[model.KeyTitle].(string); ok && title != "" {
+	if title, ok := tMap[consts.KeyTitle].(string); ok && title != "" {
 		msg.Title = title
 	} else {
 		msg.Title = event.Name
 	}
-	delete(tMap, model.KeyTitle)
+	delete(tMap, consts.KeyTitle)
 
-	if content, ok := tMap[model.KeyContent].(string); ok && content != "" {
+	if content, ok := tMap[consts.KeyContent].(string); ok && content != "" {
 		msg.Content = content
 	} else {
 		msg.Content = renderedTemplate
 	}
-	delete(tMap, model.KeyContent)
+	delete(tMap, consts.KeyContent)
 
-	if level, ok := tMap[model.KeyLevel].(string); ok && level != "" {
+	if level, ok := tMap[consts.KeyLevel].(string); ok && level != "" {
 		msg.Level = level
 	} else {
-		msg.Level = model.DefaultLevelInfo
+		msg.Level = consts.DefaultLevelInfo
 	}
-	delete(tMap, model.KeyLevel)
+	delete(tMap, consts.KeyLevel)
 
 	msg.Ext = tMap
 	return msg, renderedTemplate, nil
 }
 
-func (t *EventTrigger) parseDefaultTemplate(meta model.EventMetadata, flatBody map[string]any) model.NotificationMessage {
-	var msg model.NotificationMessage
+func (t *EventTrigger) parseDefaultTemplate(meta do.EventMetadata, flatBody map[string]any) do.NotificationMessage {
+	var msg do.NotificationMessage
 	msg.Title = pkgpush.ParseTemplate(meta.DefaultTemplate.Title, flatBody)
 	msg.Content = pkgpush.ParseTemplate(meta.DefaultTemplate.Content, flatBody)
 	msg.Level = pkgpush.ParseTemplate(meta.DefaultTemplate.Level, flatBody)
@@ -1056,9 +1057,9 @@ func (t *EventTrigger) parseDefaultTemplate(meta model.EventMetadata, flatBody m
 	return msg
 }
 
-func (t *EventTrigger) enqueuePushTasks(ctx context.Context, meta model.EventMetadata, event *model.PushEvent, msg model.NotificationMessage, flatBody map[string]any) {
+func (t *EventTrigger) enqueuePushTasks(ctx context.Context, meta do.EventMetadata, event *entity.PushEvent, msg do.NotificationMessage, flatBody map[string]any) {
 	for _, channelName := range event.Channels {
-		customChannel, err := repository.GetActivePushChannelByName(ctx, channelName)
+		customChannel, err := dao.GetActivePushChannelByName(ctx, channelName)
 		if err == nil {
 			t.enqueueCustomPushChannelTasks(ctx, meta, event, customChannel, msg, flatBody)
 			continue
@@ -1067,7 +1068,7 @@ func (t *EventTrigger) enqueuePushTasks(ctx context.Context, meta model.EventMet
 	}
 }
 
-func (t *EventTrigger) enqueueCustomPushChannelTasks(ctx context.Context, meta model.EventMetadata, event *model.PushEvent, channel *model.PushChannel, msg model.NotificationMessage, flatBody map[string]any) {
+func (t *EventTrigger) enqueueCustomPushChannelTasks(ctx context.Context, meta do.EventMetadata, event *entity.PushEvent, channel *entity.PushChannel, msg do.NotificationMessage, flatBody map[string]any) {
 	if len(event.Targets) == 0 {
 		t.enqueueSingleCustomPushChannelTask(ctx, meta, channel, "", msg)
 		return
@@ -1079,22 +1080,22 @@ func (t *EventTrigger) enqueueCustomPushChannelTasks(ctx context.Context, meta m
 	}
 }
 
-func (t *EventTrigger) enqueueSingleCustomPushChannelTask(ctx context.Context, meta model.EventMetadata, channel *model.PushChannel, target string, msg model.NotificationMessage) {
+func (t *EventTrigger) enqueueSingleCustomPushChannelTask(ctx context.Context, meta do.EventMetadata, channel *entity.PushChannel, target string, msg do.NotificationMessage) {
 	var config pkgpush.Config
 	var renderedTemplate string
 
 	switch channel.Type {
-	case model.ChannelLark:
-		config = pkgpush.Config{Channel: model.ChannelLark, URL: channel.URL, Secret: channel.Token}
+	case consts.ChannelLark:
+		config = pkgpush.Config{Channel: consts.ChannelLark, URL: channel.URL, Secret: channel.Token}
 		renderedTemplate = channel.Other
-	case model.ChannelEmail:
+	case consts.ChannelEmail:
 		url, token, other := ResolveSMTPConfig(ctx, channel.URL, channel.Token, channel.Other)
-		config = pkgpush.Config{Channel: model.ChannelEmail, URL: url, Key: token, Secret: other}
-	case model.ChannelTelegram:
-		config = pkgpush.Config{Channel: model.ChannelTelegram, URL: channel.URL, Secret: channel.Token, Key: channel.Other}
+		config = pkgpush.Config{Channel: consts.ChannelEmail, URL: url, Key: token, Secret: other}
+	case consts.ChannelTelegram:
+		config = pkgpush.Config{Channel: consts.ChannelTelegram, URL: channel.URL, Secret: channel.Token, Key: channel.Other}
 	default:
-		config = pkgpush.Config{Channel: model.ChannelCustom, URL: channel.URL}
-		customPushReq := model.CustomPushRequest{
+		config = pkgpush.Config{Channel: consts.ChannelCustom, URL: channel.URL}
+		customPushReq := do.CustomPushRequest{
 			Title:       msg.Title,
 			Content:     msg.Content,
 			Description: meta.Description,
@@ -1106,7 +1107,7 @@ func (t *EventTrigger) enqueueSingleCustomPushChannelTask(ctx context.Context, m
 		renderedTemplate = RenderCustomPayload(channel.Other, customPushReq)
 	}
 
-	payload := model.SendPayload{
+	payload := do.SendPayload{
 		EventKey: meta.Key,
 		Config:   config,
 		Target:   target,
@@ -1124,10 +1125,10 @@ func SyncEvents(ctx context.Context) error {
 }
 
 // AdminLogin is the metadata definition for the admin login event.
-var AdminLogin = model.EventMetadata{
+var AdminLogin = do.EventMetadata{
 	Key:  "admin_login",
 	Name: "管理员登录",
-	DefaultTemplate: model.NotificationMessage{
+	DefaultTemplate: do.NotificationMessage{
 		Title:   "管理员登录提醒",
 		Content: "管理员 {{user.username}} 于 {{time}} 从 IP {{ip}} 登录系统。",
 		Level:   "INFO",

backend/plugins/domain/msg_gateway/service/service.go

@@ -1,7 +1,7 @@
 // Copyright 2026 Arctel.net
 // SPDX-License-Identifier: Apache-2.0
 
-// Package service implements domain business logic and channel runners for message_gateway.
+// Package service implements domain business logic and channel runners for msg_gateway.
 package service
 
 import (
@@ -9,9 +9,10 @@ import (
 	"Wavelet/core/contracts"
 	"Wavelet/pkg/logger"
 	"Wavelet/pkg/util"
-	"Wavelet/plugins/domain/message_gateway/errs"
-	"Wavelet/plugins/domain/message_gateway/model"
-	"Wavelet/plugins/domain/message_gateway/repository"
+	"Wavelet/plugins/domain/msg_gateway/consts"
+	"Wavelet/plugins/domain/msg_gateway/dao"
+	"Wavelet/plugins/domain/msg_gateway/model/do"
+	"Wavelet/plugins/domain/msg_gateway/model/entity"
 	"context"
 	"crypto/rand"
 	"crypto/sha256"
@@ -26,18 +27,18 @@ import (
 )
 
 // Handler processes one inbound message.
-type Handler func(ctx context.Context, msg model.InboundMessage) error
+type Handler func(ctx context.Context, msg do.InboundMessage) error
 
 // Factory constructs a Channel from decrypted config.
-type Factory func(cfg model.ChannelConfig, onInbound Handler) (Channel, error)
+type Factory func(cfg do.ChannelConfig, onInbound Handler) (Channel, error)
 
 // Channel is one connected messaging adapter.
 type Channel interface {
 	Type() string
 	Connect(ctx context.Context) error
 	Disconnect(ctx context.Context) error
-	Send(ctx context.Context, to model.Recipient, msg model.OutboundMessage) error
-	Capabilities() model.Capability
+	Send(ctx context.Context, to do.Recipient, msg do.OutboundMessage) error
+	Capabilities() do.Capability
 }
 
 var (
@@ -60,11 +61,11 @@ func Lookup(typ string) (Factory, bool) {
 	return fn, ok
 }
 
-// CodeAlphabet excludes easily confused runes 0/O/1/I.
-const CodeAlphabet = "ABCDEFGHJKLMNPQRSTUVWXYZ23456789"
-
-// CodeLength is the raw pairing code size.
-const CodeLength = 8
+// Re-exported constants.
+const (
+	CodeAlphabet = consts.CodeAlphabet
+	CodeLength   = consts.CodeLength
+)
 
 // GenerateCode returns an 8-character pairing code.
 func GenerateCode() (string, error) {
@@ -282,87 +283,87 @@ func GetUserService(ctx context.Context) contracts.UserService {
 }
 
 // BindChannel consumes a pairing code and binds the platform identity to the user.
-func BindChannel(ctx context.Context, userID uint64, req model.BindRequest) (model.BindingDTO, error) {
+func BindChannel(ctx context.Context, userID uint64, req do.BindRequest) (do.BindingDTO, error) {
 	channelID, err := strconv.ParseUint(strings.TrimSpace(req.ChannelID), 10, 64)
 	if err != nil || channelID == 0 {
-		return model.BindingDTO{}, errs.ErrChannelIDRequired
+		return do.BindingDTO{}, consts.ErrChannelIDRequired
 	}
 	code := NormalizeCode(req.Code)
 	if code == "" {
-		return model.BindingDTO{}, errs.ErrCodeInvalid
+		return do.BindingDTO{}, consts.ErrCodeInvalid
 	}
-	pairing, err := repository.GetPairingCode(ctx, code)
+	pairing, err := dao.GetPairingCode(ctx, code)
 	if err != nil {
-		if errors.Is(err, errs.ErrRecordNotFound) {
-			return model.BindingDTO{}, errs.ErrCodeInvalid
+		if errors.Is(err, consts.ErrRecordNotFound) {
+			return do.BindingDTO{}, consts.ErrCodeInvalid
 		}
-		return model.BindingDTO{}, err
+		return do.BindingDTO{}, err
 	}
 	if !pairing.ExpiresAt.After(time.Now()) {
-		return model.BindingDTO{}, errs.ErrCodeInvalid
+		return do.BindingDTO{}, consts.ErrCodeInvalid
 	}
 	if pairing.ChannelID != channelID {
-		return model.BindingDTO{}, errs.ErrChannelMismatch
+		return do.BindingDTO{}, consts.ErrChannelMismatch
 	}
-	ch, err := repository.GetMessageChannel(ctx, channelID)
+	ch, err := dao.GetMessageChannel(ctx, channelID)
 	if err != nil {
-		if errors.Is(err, errs.ErrRecordNotFound) {
-			return model.BindingDTO{}, errs.ErrCodeInvalid
+		if errors.Is(err, consts.ErrRecordNotFound) {
+			return do.BindingDTO{}, consts.ErrCodeInvalid
 		}
-		return model.BindingDTO{}, err
+		return do.BindingDTO{}, err
 	}
 	if !ch.Enabled {
-		return model.BindingDTO{}, errs.ErrChannelDisabled
+		return do.BindingDTO{}, consts.ErrChannelDisabled
 	}
 
-	existing, err := repository.GetBindingByChannelPlatform(ctx, channelID, pairing.PlatformUserID)
-	if err != nil && !errors.Is(err, errs.ErrRecordNotFound) {
-		return model.BindingDTO{}, err
+	existing, err := dao.GetBindingByChannelPlatform(ctx, channelID, pairing.PlatformUserID)
+	if err != nil && !errors.Is(err, consts.ErrRecordNotFound) {
+		return do.BindingDTO{}, err
 	}
 	if err == nil && existing != nil {
 		if existing.UserID != userID {
-			return model.BindingDTO{}, errs.ErrPlatformAlreadyBound
+			return do.BindingDTO{}, consts.ErrPlatformAlreadyBound
 		}
-		_ = repository.DeletePairingCode(ctx, pairing.Code)
+		_ = dao.DeletePairingCode(ctx, pairing.Code)
 		return ToBindingDTO(existing, ch), nil
 	}
 
-	row := &model.MessageBinding{
+	row := &entity.MessageBinding{
 		UserID:         userID,
 		ChannelID:      channelID,
 		PlatformUserID: pairing.PlatformUserID,
 	}
-	if err := repository.CreateMessageBinding(ctx, row); err != nil {
-		return model.BindingDTO{}, err
+	if err := dao.CreateMessageBinding(ctx, row); err != nil {
+		return do.BindingDTO{}, err
 	}
-	if err := repository.DeletePairingCode(ctx, pairing.Code); err != nil {
-		return model.BindingDTO{}, err
+	if err := dao.DeletePairingCode(ctx, pairing.Code); err != nil {
+		return do.BindingDTO{}, err
 	}
 	return ToBindingDTO(row, ch), nil
 }
 
 // ListEnabledPublicChannels returns the channels a user may bind to.
-func ListEnabledPublicChannels(ctx context.Context) ([]model.PublicChannelDTO, error) {
-	rows, err := repository.ListEnabledMessageChannels(ctx)
+func ListEnabledPublicChannels(ctx context.Context) ([]do.PublicChannelDTO, error) {
+	rows, err := dao.ListEnabledMessageChannels(ctx)
 	if err != nil {
 		return nil, err
 	}
-	out := make([]model.PublicChannelDTO, 0, len(rows))
+	out := make([]do.PublicChannelDTO, 0, len(rows))
 	for _, row := range rows {
-		out = append(out, model.PublicChannelDTO{ID: row.ID, Name: row.Name, Type: row.Type})
+		out = append(out, do.PublicChannelDTO{ID: row.ID, Name: row.Name, Type: row.Type})
 	}
 	return out, nil
 }
 
 // ListUserBindings returns the binding rows of one user enriched with channel info.
-func ListUserBindings(ctx context.Context, userID uint64) ([]model.BindingDTO, error) {
-	rows, err := repository.ListBindingsByUser(ctx, userID)
+func ListUserBindings(ctx context.Context, userID uint64) ([]do.BindingDTO, error) {
+	rows, err := dao.ListBindingsByUser(ctx, userID)
 	if err != nil {
 		return nil, err
 	}
-	out := make([]model.BindingDTO, 0, len(rows))
+	out := make([]do.BindingDTO, 0, len(rows))
 	for i := range rows {
-		ch, err := repository.GetMessageChannel(ctx, rows[i].ChannelID)
+		ch, err := dao.GetMessageChannel(ctx, rows[i].ChannelID)
 		if err != nil {
 			out = append(out, ToBindingDTO(&rows[i], nil))
 			continue
@@ -374,22 +375,22 @@ func ListUserBindings(ctx context.Context, userID uint64) ([]model.BindingDTO, e
 
 // UnbindChannel removes a binding owned by the given user.
 func UnbindChannel(ctx context.Context, userID, bindingID uint64) error {
-	row, err := repository.GetMessageBinding(ctx, bindingID)
+	row, err := dao.GetMessageBinding(ctx, bindingID)
 	if err != nil {
-		if errors.Is(err, errs.ErrRecordNotFound) {
-			return errs.ErrBindingNotFound
+		if errors.Is(err, consts.ErrRecordNotFound) {
+			return consts.ErrBindingNotFound
 		}
 		return err
 	}
 	if row.UserID != userID {
-		return errs.ErrBindingForbidden
+		return consts.ErrBindingForbidden
 	}
-	return repository.DeleteMessageBinding(ctx, bindingID)
+	return dao.DeleteMessageBinding(ctx, bindingID)
 }
 
 // ToBindingDTO projects a binding row and its optional channel onto the user DTO.
-func ToBindingDTO(row *model.MessageBinding, ch *model.MessageChannel) model.BindingDTO {
-	dto := model.BindingDTO{
+func ToBindingDTO(row *entity.MessageBinding, ch *entity.MessageChannel) do.BindingDTO {
+	dto := do.BindingDTO{
 		ID:             row.ID,
 		UserID:         row.UserID,
 		ChannelID:      row.ChannelID,

backend/plugins/domain/system/plugin.go

@@ -66,11 +66,6 @@ func (p *Plugin) Apply(ctx *core.Context) error {
 	})
 	ctx.Router().RegisterWhitelist("/api/v1/config/public")
 
-	// 3. Custom injection
-	ctx.Router().GET("/custom", func(c *gin.Context) {
-		c.JSON(http.StatusOK, response.OK(gin.H{"custom": true}))
-	})
-
 	return nil
 }