feat(app): 完成 P0 钱包解锁、下载落盘与手机号登录

test/commerce/commerce_api_test.dart

@@ -0,0 +1,81 @@
+// Author: fruit.com.cn
+
+import 'dart:convert';
+
+import 'package:flutter_test/flutter_test.dart';
+import 'package:fruitshorts/core/data/remote/api_client.dart';
+import 'package:fruitshorts/core/data/remote/commerce_api.dart';
+
+import '../support/fake_http_adapter.dart';
+
+void main() {
+  test('should_parse_wallet_and_ledger_when_server_returns_string_ids', () async {
+    final adapter = FakeHttpAdapter(
+      (options) async => FakeHttpResponse(
+        jsonEncode({
+          'code': 0,
+          'message': 'ok',
+          'data': {
+            'wallet': {
+              'id': '2111012753262120962',
+              'coinBalance': '320',
+              'totalRechargedCoin': '500',
+              'totalConsumedCoin': '180',
+              'totalRefundedCoin': '0',
+            },
+            'ledger': [
+              {
+                'id': '2111012753262120963',
+                'changeAmount': '-50',
+                'balanceAfter': '320',
+                'bizType': 'UNLOCK',
+                'remark': '解锁第 3 集',
+                'createdAt': '2026-10-19 10:00:00',
+              },
+            ],
+          },
+        }),
+      ),
+    );
+    final api = CommerceApi(
+      ApiClient(baseUrl: 'http://127.0.0.1:8081', adapter: adapter),
+    );
+
+    final snapshot = await api.wallet();
+
+    expect(adapter.requests.single.uri.path, '/app/wallet');
+    expect(snapshot.wallet.coinBalance, 320);
+    expect(snapshot.ledger.single.id, '2111012753262120963');
+    expect(snapshot.ledger.single.changeAmount, -50);
+  });
+
+  test('should_post_unlock_for_episode_when_requested', () async {
+    final adapter = FakeHttpAdapter(
+      (options) async => FakeHttpResponse(
+        jsonEncode({
+          'code': 0,
+          'message': 'ok',
+          'data': {
+            'episodeId': '12',
+            'dramaId': '5',
+            'unlocked': true,
+            'accessType': 'UNLOCKED',
+            'coinCost': '50',
+            'coinBalance': '270',
+          },
+        }),
+      ),
+    );
+    final api = CommerceApi(
+      ApiClient(baseUrl: 'http://127.0.0.1:8081', adapter: adapter),
+    );
+
+    final result = await api.unlock('12');
+
+    expect(adapter.requests.single.method, 'POST');
+    expect(adapter.requests.single.uri.path, '/app/episodes/12/unlock');
+    expect(result.unlocked, isTrue);
+    expect(result.coinCost, 50);
+    expect(result.coinBalance, 270);
+  });
+}