渠道: 移除主页/favicon 特性, Base URL 可选+完整地址

- 回退渠道 homepage/favicon 字段与代理接口(未采用)
- Base URL 改为可选: 留空按供应商默认(openai/anthropic),
  兼容兼容型渠道必须填; 填完整地址(含 /v1)时归一化去尾
- 网关 upstreamURL 兜底去 /v1, 避免路径重复

Co-Authored-By: Claude <noreply@anthropic.com>

web/src/views/admin/ChannelsView.vue

@@ -19,7 +19,6 @@ const busyId = ref<number | null>(null)
 const form = reactive({
   name: '',
   formats: ['chat'] as string[],
-  homepage: '',
   base_url: '',
   api_key: '',
   weight: 1,
@@ -29,24 +28,6 @@ const form = reactive({
   enabled: true,
 })
 
-// favicon 兜底：灰色地球
-const FAV_FALLBACK =
-  'data:image/svg+xml;utf8,' +
-  encodeURIComponent(
-    '<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 16 16"><circle cx="8" cy="8" r="6.5" fill="none" stroke="#a1a1aa" stroke-width="1.4"/><ellipse cx="8" cy="8" rx="3" ry="6.5" fill="none" stroke="#a1a1aa" stroke-width="1.4"/><path d="M1.8 8h12.4" stroke="#a1a1aa" stroke-width="1.4"/></svg>',
-  )
-function onFavError(e: Event) {
-  ;(e.target as HTMLImageElement).src = FAV_FALLBACK
-}
-function hostOf(u?: string): string {
-  if (!u) return '-'
-  try {
-    return new URL(u).host
-  } catch {
-    return u
-  }
-}
-
 async function load() {
   try {
     const { data } = await http.get('/admin/channels')
@@ -59,7 +40,7 @@ async function load() {
 function openCreate() {
   editing.value = null
   Object.assign(form, {
-    name: '', formats: ['chat'], homepage: '', base_url: '', api_key: '',
+    name: '', formats: ['chat'], base_url: '', api_key: '',
     weight: 1, priority: 0, timeout_ms: 120000, max_concurrency: 16, enabled: true,
   })
   editOpen.value = true
@@ -69,7 +50,6 @@ function openEdit(ch: Channel) {
   editing.value = ch
   Object.assign(form, {
     name: ch.name, formats: [...(ch.formats?.length ? ch.formats : ['chat'])],
-    homepage: ch.homepage || '',
     base_url: ch.base_url, api_key: '',
     weight: ch.weight, priority: ch.priority, timeout_ms: ch.timeout_ms,
     max_concurrency: ch.max_concurrency, enabled: ch.enabled,
@@ -163,7 +143,6 @@ onMounted(load)
             <tr class="border-b border-edge text-left text-xs text-muted">
               <th scope="col" class="px-4 py-2.5 font-medium">名称</th>
               <th scope="col" class="px-4 py-2.5 font-medium">API 格式</th>
-              <th scope="col" class="px-4 py-2.5 font-medium">主页</th>
               <th scope="col" class="px-4 py-2.5 font-medium">Base URL</th>
               <th scope="col" class="px-4 py-2.5 font-medium">Key</th>
               <th scope="col" class="px-4 py-2.5 font-medium">健康</th>
@@ -183,18 +162,6 @@ onMounted(load)
                   >{{ protocolName(f) }}</span>
                 </div>
               </td>
-              <td class="px-4 py-2.5">
-                <div class="flex items-center gap-2">
-                  <img
-                    :src="`/api/v1/admin/channels/${ch.id}/favicon`"
-                    :alt="ch.name"
-                    class="size-5 shrink-0 rounded-sm"
-                    loading="lazy"
-                    @error="onFavError"
-                  />
-                  <span class="text-xs text-muted">{{ hostOf(ch.homepage) }}</span>
-                </div>
-              </td>
               <td class="px-4 py-2.5 font-mono text-xs text-muted">{{ ch.base_url }}</td>
               <td class="px-4 py-2.5 font-mono text-xs text-muted">{{ ch.api_key_masked || '****' }}</td>
               <td class="px-4 py-2.5">
@@ -215,7 +182,7 @@ onMounted(load)
               </td>
             </tr>
             <tr v-if="channels.length === 0">
-              <td colspan="8" class="px-4 py-10 text-center text-sm text-muted">还没有渠道，点击「添加渠道」</td>
+              <td colspan="7" class="px-4 py-10 text-center text-sm text-muted">还没有渠道，点击「添加渠道」</td>
             </tr>
           </tbody>
         </table>
@@ -245,8 +212,12 @@ onMounted(load)
           </div>
           <p class="mt-1.5 text-xs text-muted">客户端协议不在其中时，网关自动转换为其支持的格式</p>
         </div>
-        <Input v-model="form.base_url" label="Base URL" placeholder="https://api.openai.com" />
-        <Input v-model="form.homepage" label="渠道主页" placeholder="https://openai.com（用于展示 favicon）" />
+        <Input
+          v-model="form.base_url"
+          label="Base URL（可选）"
+          placeholder="https://api.openai.com"
+          hint="留空按供应商默认；可填完整地址，如 https://api.openai.com/v1"
+        />
         <Input
           v-model="form.api_key"
           label="上游 API Key"