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refactor: 优化 URL 路径拼接,修复 /v1 重复问题

## 主要变更

**核心修改**:
- 路由定义:/:protocol/v1/*path → /:protocol/*path
- proxy_handler:nativePath 直接使用 path 参数,不添加 /v1 前缀
- OpenAI 适配器:DetectInterfaceType 和 BuildUrl 去掉 /v1 前缀
- Anthropic 适配器:保持 /v1 前缀(Claude Code 兼容)

**URL 格式变化**:
- OpenAI: /openai/v1/chat/completions → /openai/chat/completions
- Anthropic: /anthropic/v1/messages (保持不变)

**base_url 配置**:
- OpenAI: 配置到版本路径,如 https://api.openai.com/v1
- Anthropic: 不配置版本路径,如 https://api.anthropic.com

## 测试验证

- 所有单元测试通过
- 所有集成测试通过
- 真实 API 测试验证成功
- 跨协议转换正常工作

## 文档更新

- 更新 backend/README.md URL 格式说明
- 同步 OpenSpec 规范文件
This commit is contained in:
2026-04-21 20:21:17 +08:00
parent 24f03595a7
commit b7e205f4b6
16 changed files with 193 additions and 145 deletions

View File

@@ -260,7 +260,7 @@ func TestDetectInterfaceType(t *testing.T) {
adapter.ifaceType = InterfaceTypeChat
_ = engine.RegisterAdapter(adapter)
ifaceType, err := engine.DetectInterfaceType("/v1/chat/completions", "test")
ifaceType, err := engine.DetectInterfaceType("/chat/completions", "test")
require.NoError(t, err)
assert.Equal(t, InterfaceTypeChat, ifaceType)
}
@@ -278,9 +278,9 @@ func TestConvertHttpRequest_Passthrough(t *testing.T) {
engine := NewConversionEngine(registry, nil)
_ = engine.RegisterAdapter(newMockAdapter("openai", true))
provider := NewTargetProvider("https://api.openai.com", "sk-test", "gpt-4")
provider := NewTargetProvider("https://api.openai.com/v1", "sk-test", "gpt-4")
spec := HTTPRequestSpec{
URL: "/v1/chat/completions",
URL: "/chat/completions",
Method: "POST",
Body: []byte(`{"model":"gpt-4","messages":[{"role":"user","content":"hi"}]}`),
}