Add short video configuration and related API endpoints

- Updated .env.example to include SHORT_VIDEO_API_KEY, SHORT_VIDEO_FREE_QUOTA, and SHORT_VIDEO_TIMEOUT_SECONDS.
- Enhanced main.go to auto-migrate new VideoParseLog and VideoParseUnlock models.
- Introduced VideoService and VideoHandler for handling video-related operations.
- Added protected API routes for removing watermarks and unlocking video features.
- Updated config.go to support short video configuration settings.
- Expanded documentation to reflect new features and configuration options.

cmd/api/main.go

@@ -9,6 +9,7 @@ import (
 	"wx_service/config"
 	"wx_service/internal/database"
 	"wx_service/internal/handler"
+	"wx_service/internal/middleware"
 	"wx_service/internal/model"
 	"wx_service/internal/service"
 )
@@ -19,7 +20,7 @@ func main() {
 	if err := database.InitDB(); err != nil {
 		log.Fatalf("init database failed: %v", err)
 	}
-	if err := database.AutoMigrate(&model.MiniProgram{}, &model.User{}); err != nil {
+	if err := database.AutoMigrate(&model.MiniProgram{}, &model.User{}, &model.VideoParseLog{}, &model.VideoParseUnlock{}); err != nil {
 		log.Fatalf("auto migrate failed: %v", err)
 	}
 
@@ -29,10 +30,21 @@ func main() {
 	miniProgramService := service.NewMiniProgramService(database.DB)
 	authService := service.NewAuthService(database.DB, miniProgramService)
 	authHandler := handler.NewAuthHandler(authService)
+	videoService, err := service.NewVideoService(database.DB, config.AppConfig.ShortVideo)
+	if err != nil {
+		log.Fatalf("init video service failed: %v", err)
+	}
+	videoHandler := handler.NewVideoHandler(videoService)
 
 	api := router.Group("/api/v1")
 	{
 		api.POST("/auth/login", authHandler.LoginWithWeChat)
+		protected := api.Group("")
+		protected.Use(middleware.AuthMiddleware(database.DB))
+		{
+			protected.POST("/video/remove_watermark", videoHandler.RemoveWatermark)
+			protected.POST("/video/remove_watermark/unlock", videoHandler.UnlockQuota)
+		}
 	}
 
 	router.GET("/healthz", func(c *gin.Context) {