[CLAUDE] Scaffold: khoi tao SOLUTION_ERP Phase 0

- .NET 10 Clean Architecture: Domain/Application/Infrastructure/Api (4 project)
- 2 React + Vite + TS app: fe-admin (:8082), fe-user (:8080) voi proxy /api
- Node engines >=20, .nvmrc = 20 cho CI (bai hoc NamGroup)
- SQL Server 2022 qua docker-compose (dev)
- Parse 8 FORM -> docs/forms-spec.md (catalog + ma HD format RG-001)
- Parse QUY_TRINH -> docs/workflow-contract.md (9 phase state machine + role matrix)
- docs: CLAUDE.md, STATUS.md, PROJECT-MAP.md, migration-todos.md (roadmap 5 phase)
- .claude/skills: 3 placeholder (contract-workflow, form-engine, permission-matrix)

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>

src/Backend/SolutionErp.Infrastructure/SolutionErp.Infrastructure.csproj

@@ -0,0 +1,22 @@
+<Project Sdk="Microsoft.NET.Sdk">
+
+  <ItemGroup>
+    <ProjectReference Include="..\SolutionErp.Application\SolutionErp.Application.csproj" />
+  </ItemGroup>
+
+  <ItemGroup>
+    <PackageReference Include="Microsoft.AspNetCore.Identity.EntityFrameworkCore" Version="10.0.6" />
+    <PackageReference Include="Microsoft.EntityFrameworkCore.SqlServer" Version="10.0.6" />
+    <PackageReference Include="Microsoft.EntityFrameworkCore.Tools" Version="10.0.6">
+      <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
+      <PrivateAssets>all</PrivateAssets>
+    </PackageReference>
+  </ItemGroup>
+
+  <PropertyGroup>
+    <TargetFramework>net10.0</TargetFramework>
+    <ImplicitUsings>enable</ImplicitUsings>
+    <Nullable>enable</Nullable>
+  </PropertyGroup>
+
+</Project>