feat: refine OT flow, reports, theming and sidebar UX

backend/internal/settings/handler.go

@@ -9,7 +9,7 @@ import (
 func RegisterRoutes(app *fiber.App, db *database.DB, secret string) {
 	read := []fiber.Handler{
 		auth.RequireAuth(secret),
-		auth.RequireRole("tenant_admin", "manager"),
+		auth.RequireRole("tenant_admin", "manager", "technician"),
 		auth.TenantMiddleware(db),
 	}
 	admin := []fiber.Handler{

backend/internal/settings/repository.go

@@ -15,6 +15,7 @@ var AllowedKeys = map[string]bool{
 	"company_phone":   true,
 	"company_email":   true,
 	"company_logo":    true,
+	"ui_theme":        true,
 }
 
 func GetSettings(ctx context.Context, conn *pgxpool.Conn) (map[string]string, error) {