fix: format all Go files with gofmt

- Fix alignment in struct fields (sessionProfileResponse, textureInfo, Handler)
- Align struct field values in internal/templates/templates.go, internal/api/api.go

internal/templates/templates.go

@@ -19,10 +19,10 @@ type pageData struct {
 
 // Handler serves template-rendered pages.
 type Handler struct {
-	db      *database.DB
-	cfg     *config.Config
-	tmpl    *template.Template
-	loaded  bool
+	db     *database.DB
+	cfg    *config.Config
+	tmpl   *template.Template
+	loaded bool
 }
 
 // NewHandler creates a new templates handler and parses on-disk templates.