修复智能体bug

go/models/platform_agent_api.go

@@ -3,12 +3,14 @@ package models
 import "time"
 
 // PlatformAgentApi 智能体API管理表: yz_platform_agent_api
-// 按上游接口存储调用地址、密钥列表、模型列表
+// 按上游接口存储调用地址、请求协议、密钥列表、模型列表
 // Provider 为用户自由填写的上游名称，不做枚举约束
+// Protocol 显式指定请求协议，决定拼哪个端点路径与用哪种鉴权头
 // ApiKeys 存 JSON 数组，支持同一上游下挂多个账号的密钥，每条可带备注
 type PlatformAgentApi struct {
 	ID           uint64     `orm:"column(id);pk;auto" json:"id"`
 	Provider     string     `orm:"column(provider);size(100)" json:"provider"`
+	Protocol     string     `orm:"column(protocol);size(30);default(chat_completions)" json:"protocol"`
 	BaseURL      string     `orm:"column(base_url);size(500)" json:"base_url"`
 	UseCustomURL int8       `orm:"column(use_custom_url);default(0)" json:"use_custom_url"`
 	CustomURL    string     `orm:"column(custom_url);size(500)" json:"custom_url"`
@@ -42,3 +44,17 @@ type AgentApiKey struct {
 	Key    string `json:"key"`
 	Remark string `json:"remark"`
 }
+
+// 请求协议枚举，与前端 constants.js 的 PROTOCOLS 保持一致
+const (
+	// AgentProtocolChatCompletions OpenAI Chat Completions API，端点 {base}/chat/completions
+	AgentProtocolChatCompletions = "chat_completions"
+	// AgentProtocolResponses OpenAI Responses API，端点 {base}/responses
+	AgentProtocolResponses = "responses"
+	// AgentProtocolAnthropic Anthropic Messages API，端点 {base}/messages
+	AgentProtocolAnthropic = "anthropic"
+	// AgentProtocolGemini Google Gemini generateContent，端点 {base}/models/{model}:generateContent
+	AgentProtocolGemini = "gemini"
+	// AgentProtocolCustom 自定义：直接把填写的地址当完整端点请求，不追加任何路径
+	AgentProtocolCustom = "custom"
+)