Remove runtime identifier and use conditional packages

Author: jshigetomi

PSReadLine/PSReadLine.csproj

@@ -14,7 +14,6 @@
     <IncludeSourceRevisionInInformationalVersion>false</IncludeSourceRevisionInInformationalVersion>
     <LangVersion>9.0</LangVersion>
     <CopyLocalLockFileAssemblies>true</CopyLocalLockFileAssemblies>
-    <RuntimeIdentifier>win-x64</RuntimeIdentifier>
   </PropertyGroup>
 
   <ItemGroup>
@@ -25,6 +24,14 @@
     <PackageReference Include="Microsoft.Data.Sqlite" Version="9.0.4" />
     <PackageReference Include="Microsoft.PowerShell.Pager" Version="1.0.0" />
     <PackageReference Include="SQLitePCLRaw.bundle_e_sqlite3" Version="2.1.11" />
+    
+    <!-- Platform-specific SQLite bundles -->
+    <!-- Use Windows system SQLite on Windows -->
+    <PackageReference Include="SQLitePCLRaw.bundle_winsqlite3" Version="2.1.11" Condition="$([MSBuild]::IsOSPlatform('Windows'))" />
+    <!-- Use embedded SQLite with all native libraries for Linux/macOS -->
+    <PackageReference Include="SQLitePCLRaw.bundle_e_sqlite3" Version="2.1.11" Condition="!$([MSBuild]::IsOSPlatform('Windows'))" />
+    
+    <ProjectReference Include="..\Polyfill\Polyfill.csproj" />
   </ItemGroup>
 
   <ItemGroup>