feat(ui): 渠道表单模型标签和映射输入框显示平台对应颜色

- PricingEntryCard 折叠态模型 tag 按平台着色
- ModelTagInput 模型标签按平台着色
- 模型映射输入框边框按平台着色

frontend/src/components/admin/channel/ModelTagInput.vue

@@ -5,7 +5,8 @@
       <span
         v-for="(model, idx) in models"
         :key="idx"
-        class="inline-flex items-center gap-1 rounded-md bg-primary-50 px-2 py-0.5 text-sm text-primary-700 dark:bg-primary-900/30 dark:text-primary-300"
+        class="inline-flex items-center gap-1 rounded-md px-2 py-0.5 text-sm"
+        :class="getPlatformTagClass(props.platform || '')"
       >
         {{ model }}
         <button
@@ -38,12 +39,14 @@
 import { ref } from 'vue'
 import { useI18n } from 'vue-i18n'
 import Icon from '@/components/icons/Icon.vue'
+import { getPlatformTagClass } from './types'
 
 const { t } = useI18n()
 
 const props = defineProps<{
   models: string[]
   placeholder?: string
+  platform?: string
 }>()
 
 const emit = defineEmits<{

frontend/src/components/admin/channel/PricingEntryCard.vue

@@ -19,7 +19,8 @@
           <span
             v-for="(m, i) in entry.models.slice(0, 3)"
             :key="i"
-            class="inline-flex shrink-0 rounded bg-gray-200 px-1.5 py-0.5 text-xs text-gray-700 dark:bg-dark-600 dark:text-gray-300"
+            class="inline-flex shrink-0 rounded px-1.5 py-0.5 text-xs"
+            :class="getPlatformTagClass(props.platform || '')"
           >
             {{ m }}
           </span>
@@ -74,6 +75,7 @@
             </label>
             <ModelTagInput
               :models="entry.models"
+              :platform="props.platform"
               @update:models="onModelsUpdate($event)"
               :placeholder="t('admin.channels.form.modelsPlaceholder', '输入模型名后按回车添加，支持通配符 *')"
               class="mt-1"
@@ -232,7 +234,7 @@ import Icon from '@/components/icons/Icon.vue'
 import IntervalRow from './IntervalRow.vue'
 import ModelTagInput from './ModelTagInput.vue'
 import type { PricingFormEntry, IntervalFormEntry } from './types'
-import { perTokenToMTok } from './types'
+import { perTokenToMTok, getPlatformTagClass } from './types'
 import type { BillingMode } from '@/api/admin/channels'
 import channelsAPI from '@/api/admin/channels'
 
@@ -240,6 +242,7 @@ const { t } = useI18n()
 
 const props = defineProps<{
   entry: PricingFormEntry
+  platform?: string
 }>()
 
 const emit = defineEmits<{

frontend/src/components/admin/channel/types.ts

@@ -72,3 +72,27 @@ export function formIntervalsToAPI(intervals: IntervalFormEntry[]): PricingInter
     sort_order: iv.sort_order
   }))
 }
+
+/** 平台对应的模型 tag 样式（背景+文字） */
+export function getPlatformTagClass(platform: string): string {
+  switch (platform) {
+    case 'anthropic': return 'bg-orange-100 text-orange-700 dark:bg-orange-900/30 dark:text-orange-400'
+    case 'openai': return 'bg-emerald-100 text-emerald-700 dark:bg-emerald-900/30 dark:text-emerald-400'
+    case 'gemini': return 'bg-blue-100 text-blue-700 dark:bg-blue-900/30 dark:text-blue-400'
+    case 'antigravity': return 'bg-purple-100 text-purple-700 dark:bg-purple-900/30 dark:text-purple-400'
+    case 'sora': return 'bg-rose-100 text-rose-700 dark:bg-rose-900/30 dark:text-rose-400'
+    default: return 'bg-gray-100 text-gray-700 dark:bg-gray-900/30 dark:text-gray-400'
+  }
+}
+
+/** 平台对应的输入框边框色 */
+export function getPlatformBorderClass(platform: string): string {
+  switch (platform) {
+    case 'anthropic': return 'border-orange-300 dark:border-orange-700'
+    case 'openai': return 'border-emerald-300 dark:border-emerald-700'
+    case 'gemini': return 'border-blue-300 dark:border-blue-700'
+    case 'antigravity': return 'border-purple-300 dark:border-purple-700'
+    case 'sora': return 'border-rose-300 dark:border-rose-700'
+    default: return 'border-gray-300 dark:border-dark-600'
+  }
+}