feat(web): add api.{get,post,del} typed facade over apiFetch

web/src/lib/api/client.test.ts

@@ -1,5 +1,5 @@
 import { afterEach, describe, expect, test, vi } from 'vitest';
-import { apiFetch, type ApiError } from './client';
+import { api, apiFetch, type ApiError } from './client';
 
 afterEach(() => {
   vi.unstubAllGlobals();
@@ -55,3 +55,27 @@ describe('apiFetch', () => {
     });
   });
 });
+
+describe('api.get/post/del', () => {
+  test('api.get returns typed JSON on 200', async () => {
+    stubFetch(200, { id: 'abc', name: 'A' });
+    type T = { id: string; name: string };
+    const result = await api.get<T>('/api/artists/abc');
+    expect(result).toEqual({ id: 'abc', name: 'A' });
+  });
+
+  test('api.post serializes body and sets method', async () => {
+    const spy = stubFetch(200, { ok: true });
+    await api.post('/api/auth/login', { username: 'u', password: 'p' });
+    const init = spy.mock.calls[0][1] as RequestInit;
+    expect(init.method).toBe('POST');
+    expect(init.body).toBe(JSON.stringify({ username: 'u', password: 'p' }));
+  });
+
+  test('api.del sends DELETE and resolves to null on 204', async () => {
+    const spy = stubFetch(204, null);
+    const result = await api.del('/api/sessions/xyz');
+    expect(spy.mock.calls[0][1]).toMatchObject({ method: 'DELETE' });
+    expect(result).toBeNull();
+  });
+});