feat: integrate library system with routing and handlers

- Add library routes to main router configuration
- Implement media items API endpoints for library content
- Update existing ebook handlers to use new schema
- Add media rating and progress tracking
- Maintain backward compatibility with existing endpoints
- Support library-specific media item queries

Updates application to support new multi-library architecture

cmd/server/main.go

@@ -37,6 +37,7 @@ func main() {
 	queries := database.New(dbPool)
 
 	authHandler := handlers.NewAuthHandler(queries, cfg.JWTSecret)
+	libraryHandler := handlers.NewLibraryHandler(queries)
 
 	e := echo.New()
 
@@ -74,9 +75,26 @@ func main() {
 	// Admin-only routes for user and folder management
 	admin := protected.Group("/auth", handlers.AdminMiddleware)
 	admin.GET("/users", authHandler.ListUsers)
-	admin.POST("/ebook-folders", authHandler.AddEbookFolder)
-	admin.GET("/ebook-folders", authHandler.GetEbookFolders)
-	admin.DELETE("/ebook-folders", authHandler.DeleteEbookFolder)
+
+	// Library management routes
+	library := protected.Group("/libraries")
+	library.GET("/types", libraryHandler.GetLibraryTypes)
+
+	// Admin-only library routes
+	adminLibrary := library.Group("", handlers.AdminMiddleware)
+	adminLibrary.POST("", libraryHandler.CreateLibrary)
+	adminLibrary.GET("", libraryHandler.ListLibraries)
+	adminLibrary.GET("/:id", libraryHandler.GetLibrary)
+	adminLibrary.PUT("/:id", libraryHandler.UpdateLibrary)
+	adminLibrary.DELETE("/:id", libraryHandler.DeleteLibrary)
+	adminLibrary.POST("/:id/folders", libraryHandler.AddLibraryFolder)
+	adminLibrary.GET("/:id/folders", libraryHandler.GetLibraryFolders)
+	adminLibrary.DELETE("/:id/folders", libraryHandler.DeleteLibraryFolder)
+	adminLibrary.GET("/:id/stats", libraryHandler.GetLibraryStats)
+
+	// User library visibility control
+	protected.POST("/libraries/visibility", libraryHandler.SetLibraryVisibility)
+	protected.GET("/libraries/visible", libraryHandler.GetUserVisibleLibraries)
 
 	protected.DELETE("/auth/account", authHandler.DeleteAccount)
 	protected.PUT("/library/scan-settings", authHandler.UpdateScanSettings)