revert: completely remove all Sora functionality

backend/internal/server/routes/admin.go

@@ -34,8 +34,6 @@ func RegisterAdminRoutes(
 
 		// OpenAI OAuth
 		registerOpenAIOAuthRoutes(admin, h)
-		// Sora OAuth（实现复用 OpenAI OAuth 服务，入口独立）
-		registerSoraOAuthRoutes(admin, h)
 
 		// Gemini OAuth
 		registerGeminiOAuthRoutes(admin, h)
@@ -321,19 +319,6 @@ func registerOpenAIOAuthRoutes(admin *gin.RouterGroup, h *handler.Handlers) {
 	}
 }
 
-func registerSoraOAuthRoutes(admin *gin.RouterGroup, h *handler.Handlers) {
-	sora := admin.Group("/sora")
-	{
-		sora.POST("/generate-auth-url", h.Admin.OpenAIOAuth.GenerateAuthURL)
-		sora.POST("/exchange-code", h.Admin.OpenAIOAuth.ExchangeCode)
-		sora.POST("/refresh-token", h.Admin.OpenAIOAuth.RefreshToken)
-		sora.POST("/st2at", h.Admin.OpenAIOAuth.ExchangeSoraSessionToken)
-		sora.POST("/rt2at", h.Admin.OpenAIOAuth.RefreshToken)
-		sora.POST("/accounts/:id/refresh", h.Admin.OpenAIOAuth.RefreshAccountToken)
-		sora.POST("/create-from-oauth", h.Admin.OpenAIOAuth.CreateAccountFromOAuth)
-	}
-}
-
 func registerGeminiOAuthRoutes(admin *gin.RouterGroup, h *handler.Handlers) {
 	gemini := admin.Group("/gemini")
 	{

backend/internal/server/routes/gateway.go

@@ -23,11 +23,6 @@ func RegisterGatewayRoutes(
 	cfg *config.Config,
 ) {
 	bodyLimit := middleware.RequestBodyLimit(cfg.Gateway.MaxBodySize)
-	soraMaxBodySize := cfg.Gateway.SoraMaxBodySize
-	if soraMaxBodySize <= 0 {
-		soraMaxBodySize = cfg.Gateway.MaxBodySize
-	}
-	soraBodyLimit := middleware.RequestBodyLimit(soraMaxBodySize)
 	clientRequestID := middleware.ClientRequestID()
 	opsErrorLogger := handler.OpsErrorLoggerMiddleware(opsService)
 	endpointNorm := handler.InboundEndpointMiddleware()
@@ -163,28 +158,6 @@ func RegisterGatewayRoutes(
 		antigravityV1Beta.POST("/models/*modelAction", h.Gateway.GeminiV1BetaModels)
 	}
 
-	// Sora 专用路由（强制使用 sora 平台）
-	soraV1 := r.Group("/sora/v1")
-	soraV1.Use(soraBodyLimit)
-	soraV1.Use(clientRequestID)
-	soraV1.Use(opsErrorLogger)
-	soraV1.Use(endpointNorm)
-	soraV1.Use(middleware.ForcePlatform(service.PlatformSora))
-	soraV1.Use(gin.HandlerFunc(apiKeyAuth))
-	soraV1.Use(requireGroupAnthropic)
-	{
-		soraV1.POST("/chat/completions", h.SoraGateway.ChatCompletions)
-		soraV1.GET("/models", h.Gateway.Models)
-	}
-
-	// Sora 媒体代理（可选 API Key 验证）
-	if cfg.Gateway.SoraMediaRequireAPIKey {
-		r.GET("/sora/media/*filepath", gin.HandlerFunc(apiKeyAuth), h.SoraGateway.MediaProxy)
-	} else {
-		r.GET("/sora/media/*filepath", h.SoraGateway.MediaProxy)
-	}
-	// Sora 媒体代理（签名 URL，无需 API Key）
-	r.GET("/sora/media-signed/*filepath", h.SoraGateway.MediaProxySigned)
 }
 
 // getGroupPlatform extracts the group platform from the API Key stored in context.

backend/internal/server/routes/gateway_test.go

@@ -22,7 +22,6 @@ func newGatewayRoutesTestRouter() *gin.Engine {
 		&handler.Handlers{
 			Gateway:       &handler.GatewayHandler{},
 			OpenAIGateway: &handler.OpenAIGatewayHandler{},
-			SoraGateway:   &handler.SoraGatewayHandler{},
 		},
 		servermiddleware.APIKeyAuthMiddleware(func(c *gin.Context) {
 			c.Next()

backend/internal/server/routes/sora_client.go

@@ -1,36 +0,0 @@
-package routes
-
-import (
-	"github.com/Wei-Shaw/sub2api/internal/handler"
-	"github.com/Wei-Shaw/sub2api/internal/server/middleware"
-	"github.com/Wei-Shaw/sub2api/internal/service"
-
-	"github.com/gin-gonic/gin"
-)
-
-// RegisterSoraClientRoutes 注册 Sora 客户端 API 路由（需要用户认证）。
-func RegisterSoraClientRoutes(
-	v1 *gin.RouterGroup,
-	h *handler.Handlers,
-	jwtAuth middleware.JWTAuthMiddleware,
-	settingService *service.SettingService,
-) {
-	if h.SoraClient == nil {
-		return
-	}
-
-	authenticated := v1.Group("/sora")
-	authenticated.Use(gin.HandlerFunc(jwtAuth))
-	authenticated.Use(middleware.BackendModeUserGuard(settingService))
-	{
-		authenticated.POST("/generate", h.SoraClient.Generate)
-		authenticated.GET("/generations", h.SoraClient.ListGenerations)
-		authenticated.GET("/generations/:id", h.SoraClient.GetGeneration)
-		authenticated.DELETE("/generations/:id", h.SoraClient.DeleteGeneration)
-		authenticated.POST("/generations/:id/cancel", h.SoraClient.CancelGeneration)
-		authenticated.POST("/generations/:id/save", h.SoraClient.SaveToStorage)
-		authenticated.GET("/quota", h.SoraClient.GetQuota)
-		authenticated.GET("/models", h.SoraClient.GetModels)
-		authenticated.GET("/storage-status", h.SoraClient.GetStorageStatus)
-	}
-}