feat(admin): 系统渠道 - 增加复制渠道

backend/internal/handler/auth.go

@@ -427,6 +427,19 @@ func RegisterAdminRoutes(r *gin.RouterGroup, svc *service.Service) {
 		}
 		ok(c, gin.H{"channel": channel})
 	})
+	r.POST("/admin/channels/:id/duplicate", func(c *gin.Context) {
+		user, err := currentUser(c, svc)
+		if err != nil {
+			failService(c, err)
+			return
+		}
+		channel, err := svc.DuplicateSystemChannel(user, c.Param("id"))
+		if err != nil {
+			failService(c, err)
+			return
+		}
+		ok(c, gin.H{"channel": channel})
+	})
 	r.PATCH("/admin/channels/:id", func(c *gin.Context) {
 		user, err := currentUser(c, svc)
 		if err != nil {

backend/internal/handler/openapi.yaml

@@ -22,6 +22,7 @@ tags:
   - name: tasks
   - name: assets
   - name: agent
+  - name: admin
 paths:
   /agent/capabilities:
     get:
@@ -185,6 +186,24 @@ paths:
             application/yaml:
               schema:
                 type: string
+  /admin/channels/{id}/duplicate:
+    post:
+      tags: [admin]
+      summary: 复制系统渠道
+      parameters:
+        - in: path
+          name: id
+          required: true
+          schema: { type: string }
+      responses:
+        "200":
+          $ref: "#/components/responses/Envelope"
+        "401":
+          $ref: "#/components/responses/Error"
+        "403":
+          $ref: "#/components/responses/Error"
+        "404":
+          $ref: "#/components/responses/Error"
   /auth/session:
     get:
       tags: [auth]