feat(frontend): add import from URL page and form

TODO.md

@@ -31,7 +31,7 @@ MVP is functionally complete (core app + docs + tests).
 - [x] Add import endpoint tests (valid recipe page, non-recipe page, malformed JSON-LD)
 
 ### Phase 2: Import UI
-- [ ] Add “Import from URL” UI page/form in frontend
+- [x] Add “Import from URL” UI page/form in frontend
 - [ ] Show parsed preview (title, ingredients, steps, source URL)
 - [ ] Allow edit-before-save flow, then save to existing create recipe API
 - [ ] Add frontend error states (invalid URL, parse failure, timeout)

frontend/src/App.tsx

@@ -3,6 +3,7 @@ import { RecipeListPage } from './pages/RecipeListPage';
 import { RecipeDetailPage } from './pages/RecipeDetailPage';
 import { CookModePage } from './pages/CookModePage';
 import { NotFoundPage } from './pages/NotFoundPage';
+import { ImportUrlPage } from './pages/ImportUrlPage';
 import { ErrorBoundary } from './components/ErrorBoundary';
 import { ToastContainer } from './components/Toast';
 import { useToast } from './hooks/useToast';
@@ -65,6 +66,9 @@ function App() {
                   <Link to="/recipe/new" className={linkClass('/recipe/new')}>
                     Add Recipe
                   </Link>
+                  <Link to="/import/url" className={linkClass('/import/url')}>
+                    Import URL
+                  </Link>
                 </nav>
               </div>
             </div>
@@ -76,6 +80,7 @@ function App() {
               <Route path="/recipe/new" element={<RecipeDetailPage />} />
               <Route path="/recipe/:id" element={<RecipeDetailPage />} />
               <Route path="/recipe/:id/cook" element={<CookModePage />} />
+              <Route path="/import/url" element={<ImportUrlPage />} />
               <Route path="*" element={<NotFoundPage />} />
             </Routes>
           </main>

frontend/src/pages/ImportUrlPage.tsx

@@ -0,0 +1,78 @@
+import { useState } from 'react';
+import type { FormEvent } from 'react';
+import { importRecipeFromUrl } from '../services/api';
+import type { UrlImportResult } from '../types/recipe';
+
+export function ImportUrlPage() {
+  const [url, setUrl] = useState('');
+  const [loading, setLoading] = useState(false);
+  const [error, setError] = useState<string | null>(null);
+  const [result, setResult] = useState<UrlImportResult | null>(null);
+
+  const handleSubmit = async (event: FormEvent) => {
+    event.preventDefault();
+    setLoading(true);
+    setError(null);
+    setResult(null);
+
+    try {
+      const imported = await importRecipeFromUrl(url);
+      setResult(imported);
+    } catch (err) {
+      const message = err instanceof Error ? err.message : 'Failed to import recipe URL';
+      setError(message);
+    } finally {
+      setLoading(false);
+    }
+  };
+
+  return (
+    <div className="max-w-3xl mx-auto">
+      <h2 className="text-2xl font-bold text-gray-900 mb-2">Import from URL</h2>
+      <p className="text-gray-600 mb-6">
+        Paste a recipe URL and we&apos;ll try to fetch the page and extract recipe data.
+      </p>
+
+      <form onSubmit={handleSubmit} className="bg-white rounded-lg shadow p-6 space-y-4">
+        <div>
+          <label htmlFor="import-url" className="block text-sm font-medium text-gray-700 mb-2">
+            Recipe URL
+          </label>
+          <input
+            id="import-url"
+            type="url"
+            required
+            value={url}
+            onChange={(event) => setUrl(event.target.value)}
+            placeholder="https://example.com/my-recipe"
+            className="w-full px-4 py-2 border border-gray-300 rounded-lg focus:ring-2 focus:ring-blue-500 focus:border-transparent"
+          />
+        </div>
+
+        <button
+          type="submit"
+          disabled={loading}
+          className="bg-blue-600 hover:bg-blue-700 text-white px-4 py-2 rounded-lg font-medium transition-colors disabled:opacity-50 disabled:cursor-not-allowed"
+        >
+          {loading ? 'Importing…' : 'Import URL'}
+        </button>
+      </form>
+
+      {error && (
+        <div className="mt-4 bg-red-50 border border-red-200 rounded-lg p-4">
+          <p className="text-red-800">
+            <strong>Error:</strong> {error}
+          </p>
+        </div>
+      )}
+
+      {result && (
+        <div className="mt-4 bg-green-50 border border-green-200 rounded-lg p-4">
+          <h3 className="font-semibold text-green-900 mb-1">Import fetched successfully</h3>
+          <p className="text-green-800 text-sm">Source: {result.source_url}</p>
+          <p className="text-green-800 text-sm">JSON-LD blocks found: {result.json_ld_blocks.length}</p>
+        </div>
+      )}
+    </div>
+  );
+}

frontend/src/services/api.ts

@@ -2,7 +2,7 @@
  * API client for Recipe Manager backend
  */
 
-import type { Recipe, Tag, ApiResponse } from '../types/recipe';
+import type { Recipe, Tag, ApiResponse, UrlImportResult } from '../types/recipe';
 
 // Use relative URL - nginx will proxy to backend in production
 // For local development (npm run dev), configure vite.config.ts proxy
@@ -239,3 +239,28 @@ export async function deleteTag(id: number): Promise<void> {
     throw new Error(result.error || 'Failed to delete tag');
   }
 }
+
+
+/**
+ * Import recipe data from URL
+ */
+export async function importRecipeFromUrl(url: string): Promise<UrlImportResult> {
+  const response = await fetch(`${API_BASE_URL}/import/url`, {
+    method: 'POST',
+    headers: {
+      'Content-Type': 'application/json',
+    },
+    body: JSON.stringify({ url }),
+  });
+
+  if (!response.ok) {
+    throw new Error(`Failed to import URL: ${response.statusText}`);
+  }
+
+  const result: ApiResponse<UrlImportResult> = await response.json();
+  if (!result.success || !result.data) {
+    throw new Error(result.error || 'Failed to import URL');
+  }
+
+  return result.data;
+}

frontend/src/types/recipe.ts

@@ -34,3 +34,14 @@ export interface ApiResponse<T> {
   data?: T;
   error?: string;
 }
+
+
+/**
+ * URL import result returned by backend import endpoint
+ */
+export interface UrlImportResult {
+  source_url: string;
+  html: string;
+  json_ld_blocks: string[];
+  draft_recipe: Recipe | null;
+}