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fix(handler): log correct upstream endpoint for raw CC path

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DeriveUpstreamEndpoint hard-codes /v1/responses for PlatformOpenAI,
but APIKey accounts probed to not support Responses API are forwarded
directly to /v1/chat/completions via forwardAsRawChatCompletions.

Add resolveRawCCUpstreamEndpoint which returns /v1/chat/completions
when the account's extra.openai_responses_supported is explicitly false.
This commit is contained in:
alfadb
2026-05-02 10:31:57 +08:00
parent adf01ac880
commit e736de1ed9
1 changed files with 15 additions and 1 deletions
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16
backend/internal/handler/openai_chat_completions.go
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@@ -10,6 +10,7 @@ import (
pkghttputil "github.com/Wei-Shaw/sub2api/internal/pkg/httputil"
"github.com/Wei-Shaw/sub2api/internal/pkg/ip"
"github.com/Wei-Shaw/sub2api/internal/pkg/logger"
"github.com/Wei-Shaw/sub2api/internal/pkg/openai_compat"
middleware2 "github.com/Wei-Shaw/sub2api/internal/server/middleware"
"github.com/Wei-Shaw/sub2api/internal/service"
"github.com/gin-gonic/gin"
@@ -276,7 +277,7 @@ func (h *OpenAIGatewayHandler) ChatCompletions(c *gin.Context) {
Account: account,
Subscription: subscription,
InboundEndpoint: GetInboundEndpoint(c),
UpstreamEndpoint: GetUpstreamEndpoint(c, account.Platform),
UpstreamEndpoint: resolveRawCCUpstreamEndpoint(c, account),
UserAgent: userAgent,
IPAddress: clientIP,
APIKeyService: h.apiKeyService,
@@ -299,3 +300,16 @@ func (h *OpenAIGatewayHandler) ChatCompletions(c *gin.Context) {
return
}
}
// resolveRawCCUpstreamEndpoint returns the actual upstream endpoint for
// OpenAI Chat Completions requests. For APIKey accounts whose upstream
// has been probed to not support the Responses API, the request is
// forwarded directly to /v1/chat/completions — not through the default
// CC→Responses conversion path.
func resolveRawCCUpstreamEndpoint(c *gin.Context, account *service.Account) string {
if account != nil && account.Type == service.AccountTypeAPIKey &&
!openai_compat.ShouldUseResponsesAPI(account.Extra) {
return "/v1/chat/completions"
}
return GetUpstreamEndpoint(c, account.Platform)
}