diff --git a/.gitignore b/.gitignore
index 3fa415f..7ad5015 100644
--- a/.gitignore
+++ b/.gitignore
@@ -29,6 +29,41 @@ yarn-error.log*
 #.env.production.local
 
 
+# ----------------------------------------------------------------------------
+# ## .NET Build Artifacts ##
+# ----------------------------------------------------------------------------
+[Bb]in/
+[Oo]bj/
+*.user
+*.suo
+*.userosscache
+*.sln.docstates
+.vs/
+TestResults/
+*.trx
+*.coverage
+*.coveragexml
+
+# ----------------------------------------------------------------------------
+# ## JWT / Security Keys ##
+# ----------------------------------------------------------------------------
+src/api/SIGCM2.Api/keys/*.pem
+
+# ----------------------------------------------------------------------------
+# ## ASP.NET Core local secrets ##
+# ----------------------------------------------------------------------------
+src/api/SIGCM2.Api/appsettings.Development.json
+src/api/SIGCM2.Api/appsettings.Test.json
+tests/SIGCM2.Api.Tests/appsettings.Test.json
+tests/SIGCM2.Application.Tests/appsettings.Test.json
+
+# ----------------------------------------------------------------------------
+# ## Frontend Build Artifacts ##
+# ----------------------------------------------------------------------------
+src/web/dist/
+src/web/node_modules/
+src/web/.vite/
+
 # ----------------------------------------------------------------------------
 # ## Documentación ##
 # ----------------------------------------------------------------------------
diff --git a/Directory.Packages.props b/Directory.Packages.props
new file mode 100644
index 0000000..0a6f8fb
--- /dev/null
+++ b/Directory.Packages.props
@@ -0,0 +1,30 @@
+<Project>
+  <PropertyGroup>
+    <ManagePackageVersionsCentrally>true</ManagePackageVersionsCentrally>
+  </PropertyGroup>
+  <!-- Production dependencies -->
+  <ItemGroup>
+    <PackageVersion Include="Dapper" Version="2.1.35" />
+    <PackageVersion Include="Microsoft.AspNetCore.OpenApi" Version="10.0.5" />
+    <PackageVersion Include="Microsoft.Data.SqlClient" Version="5.2.2" />
+    <PackageVersion Include="BCrypt.Net-Next" Version="4.0.3" />
+    <PackageVersion Include="FluentValidation.AspNetCore" Version="11.3.0" />
+    <PackageVersion Include="Serilog.AspNetCore" Version="8.0.3" />
+    <PackageVersion Include="Serilog.Sinks.Seq" Version="8.0.0" />
+    <PackageVersion Include="Microsoft.AspNetCore.Authentication.JwtBearer" Version="10.0.0-preview.3.25172.1" />
+    <PackageVersion Include="Scalar.AspNetCore" Version="2.5.6" />
+    <PackageVersion Include="System.IdentityModel.Tokens.Jwt" Version="8.9.0" />
+    <PackageVersion Include="Microsoft.IdentityModel.Tokens" Version="8.9.0" />
+  </ItemGroup>
+  <!-- Test dependencies -->
+  <ItemGroup>
+    <PackageVersion Include="xunit" Version="2.9.3" />
+    <PackageVersion Include="xunit.runner.visualstudio" Version="3.1.4" />
+    <PackageVersion Include="Microsoft.NET.Test.Sdk" Version="17.14.1" />
+    <PackageVersion Include="NSubstitute" Version="5.3.0" />
+    <PackageVersion Include="FluentAssertions" Version="6.12.2" />
+    <PackageVersion Include="Microsoft.AspNetCore.Mvc.Testing" Version="10.0.0-preview.3.25172.1" />
+    <PackageVersion Include="Respawn" Version="6.2.1" />
+    <PackageVersion Include="coverlet.collector" Version="6.0.4" />
+  </ItemGroup>
+</Project>
\ No newline at end of file
diff --git a/SIGCM2.slnx b/SIGCM2.slnx
new file mode 100644
index 0000000..6690a73
--- /dev/null
+++ b/SIGCM2.slnx
@@ -0,0 +1,14 @@
+<Solution>
+  <Folder Name="/src/" />
+  <Folder Name="/src/api/">
+    <Project Path="src/api/SIGCM2.Api/SIGCM2.Api.csproj" />
+    <Project Path="src/api/SIGCM2.Application/SIGCM2.Application.csproj" />
+    <Project Path="src/api/SIGCM2.Domain/SIGCM2.Domain.csproj" />
+    <Project Path="src/api/SIGCM2.Infrastructure/SIGCM2.Infrastructure.csproj" />
+  </Folder>
+  <Folder Name="/tests/">
+    <Project Path="tests/SIGCM2.Api.Tests/SIGCM2.Api.Tests.csproj" />
+    <Project Path="tests/SIGCM2.Application.Tests/SIGCM2.Application.Tests.csproj" />
+    <Project Path="tests/SIGCM2.TestSupport/SIGCM2.TestSupport.csproj" />
+  </Folder>
+</Solution>