渠道: Base URL 智能识别前缀/完整端点 + API 格式垂直堆叠

- upstreamURL 按内容智能拼接: 完整端点直接用 / 含 /v1 只拼资源路径 / 纯域名拼全路径
- resolveBaseURL 不再去 /v1, 交网关识别
- 渠道表 API 格式改垂直堆叠, 显示短标识 chat/completions / responses / messages
- 前端 Base URL 提示支持前缀或完整端点

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

server/internal/api/admin_channels.go

@@ -33,7 +33,8 @@ func (h *Handler) AdminChannels(c *gin.Context) {
 			masked = "****"
 		}
 		out = append(out, gin.H{
-			"id": ch.ID, "name": ch.Name, "provider": ch.Provider, "formats": ch.FormatsEffective(), "base_url": ch.BaseURL,
+			"id": ch.ID, "name": ch.Name, "provider": ch.Provider, "formats": ch.FormatsEffective(),
+			"base_url": ch.BaseURL,
 			"api_key_masked": masked, "weight": ch.Weight, "priority": ch.Priority,
 			"timeout_ms": ch.TimeoutMS, "max_concurrency": ch.MaxConcurrency,
 			"health_status": ch.HealthStatus, "enabled": ch.Enabled,
@@ -47,7 +48,7 @@ type channelBody struct {
 	Name           string   `json:"name" binding:"required,min=1,max=64"`
 	Provider       string   `json:"provider"` // 可选：为空时按 formats 推断（兼容旧数据）
 	Formats        []string `json:"formats"`  // 原生支持的协议 chat|responses|messages（主配置）
-	BaseURL        string   `json:"base_url"` // 可选：为空时按供应商默认（openai/anthropic）
+	BaseURL        string   `json:"base_url"` // 可选：留空按供应商默认；支持前缀或完整端点
 	APIKey         string   `json:"api_key"`
 	Weight         *int     `json:"weight"`
 	Priority       *int     `json:"priority"`
@@ -56,7 +57,7 @@ type channelBody struct {
 	Enabled        *bool    `json:"enabled"`
 }
 
-// resolveBaseURL 渠道 base_url：留空按供应商默认；兼容用户填完整地址（含 /v1）。
+// resolveBaseURL 渠道 base_url：留空按供应商默认；网关按内容智能识别前缀/完整端点。
 func resolveBaseURL(provider, raw string) (string, error) {
 	base := strings.TrimRight(raw, "/")
 	if base == "" {
@@ -70,7 +71,7 @@ func resolveBaseURL(provider, raw string) (string, error) {
 	if base == "" {
 		return "", errors.New("base_url required for compatible channels")
 	}
-	return strings.TrimSuffix(base, "/v1"), nil
+	return base, nil
 }
 
 func validateProvider(p string) bool {

server/internal/proxy/passthrough.go

@@ -15,6 +15,7 @@ import (
 	"time"
 
 	"github.com/gin-gonic/gin"
+	"github.com/openteam/server/internal/channel"
 	"github.com/openteam/server/internal/store"
 )
 

web/src/lib/protocol.ts

@@ -5,6 +5,17 @@ export const PROTOCOL_NAMES: Record<string, string> = {
   messages: 'Anthropic Messages',
 }
 
+// 渠道表格用的短标识
+export const PROTOCOL_SHORT: Record<string, string> = {
+  chat: 'chat/completions',
+  responses: 'responses',
+  messages: 'messages',
+}
+
+export function protocolShort(p: string): string {
+  return PROTOCOL_SHORT[p] ?? p
+}
+
 export const PROTOCOL_OPTIONS: { value: string; label: string }[] = [
   { value: 'chat', label: 'OpenAI Chat Completions' },
   { value: 'responses', label: 'OpenAI Responses API' },

web/src/views/admin/ChannelsView.vue

@@ -2,12 +2,12 @@
 import { onMounted, reactive, ref } from 'vue'
 import { http, errMsg } from '@/api/client'
 import { useToastStore } from '@/stores/toast'
-import { PROTOCOL_OPTIONS, protocolName } from '@/lib/protocol'
+import { PROTOCOL_OPTIONS, protocolShort } from '@/lib/protocol'
 import Button from '@/components/ui/Button.vue'
 import Input from '@/components/ui/Input.vue'
 import Modal from '@/components/ui/Modal.vue'
 import Badge from '@/components/ui/Badge.vue'
-import type { Channel } from '@/types'
+import type { Channel, ChannelModelMapping } from '@/types'
 
 const toast = useToastStore()
 const channels = ref<Channel[]>([])
@@ -154,12 +154,12 @@ onMounted(load)
             <tr v-for="ch in channels" :key="ch.id" class="table-row">
               <td class="px-4 py-2.5 text-ink">{{ ch.name }}</td>
               <td class="px-4 py-2.5">
-                <div class="flex flex-wrap gap-1">
+                <div class="flex flex-col gap-0.5">
-                  <span
+                  <code
                     v-for="f in ch.formats || []"
                     :key="f"
-                    class="rounded-full bg-surface2 px-2 py-0.5 text-[10px] leading-4 text-muted"
+                    class="font-mono text-[11px] leading-4 text-muted"
-                  >{{ protocolName(f) }}</span>
+                  >{{ protocolShort(f) }}</code>
                 </div>
               </td>
               <td class="px-4 py-2.5 font-mono text-xs text-muted">{{ ch.base_url }}</td>
@@ -215,8 +215,8 @@ onMounted(load)
         <Input
           v-model="form.base_url"
           label="Base URL（可选）"
-          placeholder="https://api.openai.com"
+          placeholder="https://api.openai.com/v1"
-          hint="留空按供应商默认；可填完整地址，如 https://api.openai.com/v1"
+          hint="支持前缀或完整端点，如 https://api.openai.com/v1 或 https://api.openai.com/v1/chat/completions；留空按供应商默认"
         />
         <Input
           v-model="form.api_key"