fix(router): adjust type check for extra parameter in navigation

fix(import): ensure correct typing for passing markdown and imageUrl
fix(recipes): delete local image file on recipe deletion to avoid orphan files

backend/src/recipes/recipes.service.ts

@@ -1,5 +1,7 @@
 import { Injectable, NotFoundException } from '@nestjs/common';
 import { Prisma } from '@prisma/client';
+import * as fs from 'node:fs/promises';
+import * as path from 'node:path';
 import { PrismaService } from '../prisma/prisma.service';
 import { CreateRecipeDto } from './dto/create-recipe.dto';
 import { ParseMarkdownDto } from './dto/parse-markdown.dto';
@@ -272,6 +274,15 @@ export class RecipesService {
 
     await this.prisma.recipeIngredient.deleteMany({ where: { recipeId: id } });
     await this.prisma.recipe.delete({ where: { id } });
+
+    // Radera lokal bildfil om den finns (undviker orphan-filer på disk).
+    if (existingRecipe.imageUrl?.startsWith('/images/')) {
+      const filename = path.basename(existingRecipe.imageUrl);
+      const filePath = path.join(IMAGE_DEST_DIR, filename);
+      await fs.unlink(filePath).catch(() => {
+        // Filen kanske redan är borttagen — ignorera felet.
+      });
+    }
   }
 
   async updateImage(id: number, sourceUrl: string) {

flutter/lib/core/router/app_router.dart

@@ -71,7 +71,9 @@ final appRouterProvider = Provider<GoRouter>((ref) {
           final extra = state.extra;
           String? initialMarkdown;
           String? initialImageUrl;
-          if (extra is Map<String, dynamic>) {
+          // Use 'is Map' without type params — Dart reifies generics, so
+          // Map<String,String?> does NOT match Map<String,dynamic> at runtime.
+          if (extra is Map) {
             initialMarkdown = extra['markdown'] as String?;
             initialImageUrl = extra['imageUrl'] as String?;
           } else if (extra is String) {

flutter/lib/features/import/presentation/recipe_import_tab.dart

@@ -78,8 +78,9 @@ class _RecipeImportTabState extends ConsumerState<RecipeImportTab> {
             );
 
       if (!mounted) return;
-      // Pass both markdown and imageUrl so CreateRecipeScreen can pre-fill both.
-      context.push('/recipes/create', extra: {
+      // Explicitly typed as <String, dynamic> so the router's
+      // 'is Map<String, dynamic>' runtime check succeeds.
+      context.push('/recipes/create', extra: <String, dynamic>{
         'markdown': result.markdown,
         'imageUrl': result.imageUrl,
       });