平台订单工具区：同步失败提示补齐一键切到可同步入口

resources/views/admin/platform_orders/index.blade.php

@@ -292,6 +292,8 @@
         <div class="muted text-danger mb-10">
             提示：当前筛选包含「同步失败/失败原因」范围。建议先治理失败原因（修复数据或重试同步），再执行批量同步订阅等工具动作。
             <a class="link" href="{{ request()->fullUrlWithQuery(['sync_status' => 'failed', 'page' => null]) }}">进入同步失败集合</a>
+            <span class="muted">｜</span>
+            <a class="link" href="{{ request()->fullUrlWithQuery(['syncable_only' => '1', 'page' => null]) }}">切到只看可同步（用于批量重试同步）</a>
         </div>
     @endif
 

tests/Feature/AdminPlatformOrderToolsGovernanceHintTest.php

@@ -58,6 +58,8 @@ class AdminPlatformOrderToolsGovernanceHintTest extends TestCase
             ->assertOk()
             ->assertSee('当前筛选包含「同步失败/失败原因」范围', false)
             ->assertSee('进入同步失败集合', false)
-            ->assertSee('sync_status=failed', false);
+            ->assertSee('切到只看可同步（用于批量重试同步）', false)
+            ->assertSee('sync_status=failed', false)
+            ->assertSee('syncable_only=1', false);
     }
 }