refactor: clean up Member module and update Console

- Remove redundant PointsRule repositories (use single PointsRuleRepository)
- Clean up Member migrations and consolidate to single Init migration
- Update Console frontend API and components for Tenant
- Add H5LinkService for member H5 integration

Directory.Build.props

@@ -0,0 +1,9 @@
+<Project>
+  <!-- Import central package management from parent directory -->
+  <Import Project="$(MSBuildThisFileDirectory)../Directory.Packages.props" Condition="Exists('$(MSBuildThisFileDirectory)../Directory.Packages.props')" />
+  
+  <PropertyGroup>
+    <Nullable>enable</Nullable>
+    <ImplicitUsings>enable</ImplicitUsings>
+  </PropertyGroup>
+</Project>