fix: allow messages dispatch for composite groups

frontend/src/views/admin/GroupsView.vue

@@ -1614,9 +1614,9 @@
           </p>
         </div>
 
-        <!-- OpenAI Messages 调度配置（仅 openai 平台） -->
+        <!-- OpenAI Messages 调度配置（OpenAI 与 Composite 平台） -->
         <div
-          v-if="createForm.platform === 'openai'"
+          v-if="supportsMessagesDispatchPlatform(createForm.platform)"
           class="border-t border-gray-200 dark:border-dark-400 pt-4 mt-4"
         >
           <h4 class="text-sm font-medium text-gray-700 dark:text-gray-300 mb-3">
@@ -1655,7 +1655,13 @@
             {{ t("admin.groups.openaiMessages.allowDispatchHint") }}
           </p>
 
-          <div v-if="createForm.allow_messages_dispatch" class="mt-3">
+          <div
+            v-if="
+              createForm.platform === 'openai' &&
+              createForm.allow_messages_dispatch
+            "
+            class="mt-3"
+          >
             <div
               class="relative overflow-hidden rounded-xl border border-gray-200 bg-white shadow-sm dark:border-dark-600 dark:bg-dark-800"
             >
@@ -3336,9 +3342,9 @@
           </p>
         </div>
 
-        <!-- OpenAI Messages 调度配置（仅 openai 平台） -->
+        <!-- OpenAI Messages 调度配置（OpenAI 与 Composite 平台） -->
         <div
-          v-if="editForm.platform === 'openai'"
+          v-if="supportsMessagesDispatchPlatform(editForm.platform)"
           class="border-t border-gray-200 dark:border-dark-400 pt-4 mt-4"
         >
           <h4 class="text-sm font-medium text-gray-700 dark:text-gray-300 mb-3">
@@ -3377,7 +3383,12 @@
             {{ t("admin.groups.openaiMessages.allowDispatchHint") }}
           </p>
 
-          <div v-if="editForm.allow_messages_dispatch" class="mt-3">
+          <div
+            v-if="
+              editForm.platform === 'openai' && editForm.allow_messages_dispatch
+            "
+            class="mt-3"
+          >
             <div
               class="relative overflow-hidden rounded-xl border border-gray-200 bg-white shadow-sm dark:border-dark-600 dark:bg-dark-800"
             >
@@ -4462,6 +4473,7 @@ import {
   messagesDispatchConfigToFormState,
   messagesDispatchFormStateToConfig,
   resetMessagesDispatchFormState,
+  supportsMessagesDispatchPlatform,
   type MessagesDispatchMappingRow,
 } from "./groupsMessagesDispatch";
 import {
@@ -6646,7 +6658,7 @@ watch(
     if (!["anthropic", "antigravity"].includes(newVal)) {
       createForm.fallback_group_id_on_invalid_request = null;
     }
-    if (newVal !== "openai") {
+    if (!supportsMessagesDispatchPlatform(newVal)) {
       resetMessagesDispatchFormState(createForm);
     }
     if (!supportsLivePlatform(newVal)) {
@@ -6696,7 +6708,7 @@ watch(
     if (!["anthropic", "antigravity"].includes(newVal)) {
       editForm.fallback_group_id_on_invalid_request = null;
     }
-    if (newVal !== "openai") {
+    if (!supportsMessagesDispatchPlatform(newVal)) {
       resetMessagesDispatchFormState(editForm);
     }
     if (!supportsLivePlatform(newVal)) {
@@ -6748,7 +6760,7 @@ watch(
     if (!['anthropic', 'antigravity'].includes(newVal)) {
       editForm.fallback_group_id_on_invalid_request = null
     }
-    if (newVal !== 'openai') {
+    if (!supportsMessagesDispatchPlatform(newVal)) {
       editForm.allow_messages_dispatch = false
       editForm.default_mapped_model = ''
     }

frontend/src/views/admin/__tests__/groupsMessagesDispatch.spec.ts

@@ -5,9 +5,16 @@ import {
   messagesDispatchConfigToFormState,
   messagesDispatchFormStateToConfig,
   resetMessagesDispatchFormState,
+  supportsMessagesDispatchPlatform,
 } from "../groupsMessagesDispatch";
 
 describe("groupsMessagesDispatch", () => {
+  it("supports OpenAI and composite groups", () => {
+    expect(supportsMessagesDispatchPlatform("openai")).toBe(true);
+    expect(supportsMessagesDispatchPlatform("composite")).toBe(true);
+    expect(supportsMessagesDispatchPlatform("anthropic")).toBe(false);
+  });
+
   it("returns the expected default form state", () => {
     expect(createDefaultMessagesDispatchFormState()).toEqual({
       allow_messages_dispatch: false,

frontend/src/views/admin/groupsMessagesDispatch.ts

@@ -13,6 +13,10 @@ export interface MessagesDispatchFormState {
   exact_model_mappings: MessagesDispatchMappingRow[];
 }
 
+export function supportsMessagesDispatchPlatform(platform: string): boolean {
+  return platform === "openai" || platform === "composite";
+}
+
 export function createDefaultMessagesDispatchFormState(): MessagesDispatchFormState {
   return {
     allow_messages_dispatch: false,