feat(admin): success flash支持可选链接并用于BAS批次复盘入口

app/Http/Controllers/Admin/PlatformOrderController.php

@@ -1635,7 +1635,10 @@ class PlatformOrderController extends Controller
             (string) $runId,
         );
 
-        return redirect()->back()->with('success', '批量同步订阅任务已提交到队列：命中 ' . $matchedTotal . ' 条，本次处理 ' . $processed . ' 条（limit=' . $limit . '，run_id=' . $runId . '）。');
+        return redirect()->back()
+            ->with('success', '批量同步订阅任务已提交到队列：命中 ' . $matchedTotal . ' 条，本次处理 ' . $processed . ' 条（limit=' . $limit . '，run_id=' . $runId . '）。')
+            ->with('success_link_href', '/admin/platform-batches/show?type=bas&run_id=' . urlencode((string) $runId))
+            ->with('success_link_label', '进入批次复盘');
     }
 
     public function batchMarkPaidAndActivate(Request $request, SubscriptionActivationService $service): RedirectResponse

resources/views/admin/layouts/app.blade.php

@@ -77,7 +77,18 @@
 
         {{-- 页面标题已统一收敛到各页面的 PageHeader 组件，避免重复出现“大标题”。 --}}
         @if(session('success'))
-            <div class="flash" data-flash="success">{{ session('success') }}</div>
+            <div class="flash" data-flash="success">
+                <span>{{ session('success') }}</span>
+                @if(session('success_link_href'))
+                    @php
+                        $flashLinkHref = \App\Support\BackUrl::sanitizeForLinks((string) session('success_link_href'));
+                        $flashLinkLabel = (string) (session('success_link_label') ?: '查看');
+                    @endphp
+                    @if($flashLinkHref !== '')
+                        <a href="{{ $flashLinkHref }}" class="btn btn-secondary btn-sm" style="margin-left:8px;">{{ $flashLinkLabel }}</a>
+                    @endif
+                @endif
+            </div>
         @endif
         @if(session('warning'))
             <div class="warning" data-flash="warning">{{ session('warning') }}</div>

tests/Feature/AdminFlashSuccessShouldSupportOptionalLinkTest.php

@@ -0,0 +1,52 @@
+<?php
+
+namespace Tests\Feature;
+
+use Illuminate\Foundation\Testing\RefreshDatabase;
+use Tests\TestCase;
+
+class AdminFlashSuccessShouldSupportOptionalLinkTest extends TestCase
+{
+    use RefreshDatabase;
+
+    protected function loginAsPlatformAdmin(): void
+    {
+        $this->seed();
+
+        $this->post('/admin/login', [
+            'email' => 'platform.admin@demo.local',
+            'password' => 'Platform@123456',
+        ])->assertRedirect('/admin');
+    }
+
+    public function test_flash_success_should_render_optional_link_when_session_keys_present(): void
+    {
+        $this->loginAsPlatformAdmin();
+
+        $res = $this->withSession([
+            'success' => '操作成功',
+            'success_link_href' => '/admin/platform-batches/show?type=bas&run_id=BAS202603171234560001',
+            'success_link_label' => '进入批次复盘',
+        ])->get('/admin');
+
+        $res->assertOk();
+        $res->assertSee('操作成功');
+        $res->assertSee('进入批次复盘');
+        $res->assertSee('/admin/platform-batches/show?type=bas&amp;run_id=BAS202603171234560001', false);
+    }
+
+    public function test_flash_success_link_should_be_sanitized_to_relative_path(): void
+    {
+        $this->loginAsPlatformAdmin();
+
+        $res = $this->withSession([
+            'success' => 'ok',
+            'success_link_href' => 'https://evil.example.com/x',
+            'success_link_label' => '查看',
+        ])->get('/admin');
+
+        $res->assertOk();
+        // 外链应被 sanitize 掉，不应渲染 href
+        $res->assertDontSee('https://evil.example.com/x');
+    }
+}