Took the architecture from the build target instead of metadata.txt (#1070)

app/Build/Commands/UpdateMetadataCommands.cs

@@ -251,7 +251,6 @@ public sealed partial class UpdateMetadataCommands
         var rid = Environment.GetCurrentRid();
         
         Console.WriteLine("==============================");
-        await this.UpdateArchitecture(rid);
         await this.UpdateTauriVersion();
         await this.UpdateVectorStoreVersion();
         
@@ -845,7 +844,7 @@ public sealed partial class UpdateMetadataCommands
     
     private async Task<string> ReadPdfiumVersion()
     {
-        const int PDFIUM_VERSION_INDEX = 10;
+        const int PDFIUM_VERSION_INDEX = 9;
         
         var pathMetadata = Environment.GetMetadataPath();
         var lines = await File.ReadAllLinesAsync(pathMetadata, Encoding.UTF8);
@@ -855,19 +854,6 @@ public sealed partial class UpdateMetadataCommands
         return shortVersion;
     }
 
-    private async Task UpdateArchitecture(RID rid)
-    {
-        const int ARCHITECTURE_INDEX = 9;
-        
-        var pathMetadata = Environment.GetMetadataPath();
-        var lines = await File.ReadAllLinesAsync(pathMetadata, Encoding.UTF8);
-        Console.Write($"- Updating architecture to {rid.ToUserFriendlyName()} ...");
-        lines[ARCHITECTURE_INDEX] = rid.AsMicrosoftRid();
-        
-        await WriteMetadataLinesAsync(pathMetadata, lines);
-        Console.WriteLine(" done.");
-    }
-    
     [Command("update-project-hash", Description = "Update the project commit hash")]
     public async Task UpdateProjectCommitHash()
     {
@@ -1016,7 +1002,7 @@ public sealed partial class UpdateMetadataCommands
 
     private async Task UpdateVectorStoreVersion()
     {
-        const int VECTOR_STORE_VERSION_INDEX = 11;
+        const int VECTOR_STORE_VERSION_INDEX = 10;
 
         var pathMetadata = Environment.GetMetadataPath();
         var lines = await File.ReadAllLinesAsync(pathMetadata, Encoding.UTF8);

app/MindWork AI Studio/MindWork AI Studio.csproj

@@ -128,9 +128,15 @@
             <MetaMudBlazorVersion>$([System.String]::Copy( $(Metadata) ).Split( ';' )[ 6 ])</MetaMudBlazorVersion>
             <MetaTauriVersion>$([System.String]::Copy( $(Metadata) ).Split( ';' )[ 7 ])</MetaTauriVersion>
             <MetaAppCommitHash>$([System.String]::Copy( $(Metadata) ).Split( ';' )[ 8 ])</MetaAppCommitHash>
-            <MetaArchitecture>$([System.String]::Copy( $(Metadata) ).Split( ';' )[ 9 ])</MetaArchitecture>
-            <MetaPdfiumVersion>$([System.String]::Copy( $(Metadata) ).Split( ';' )[ 10 ])</MetaPdfiumVersion>
-            <MetaVectorStoreVersion>$([System.String]::Copy( $(Metadata) ).Split( ';' )[ 11 ])</MetaVectorStoreVersion>
+
+            <!--
+                The architecture is the one the app is built for. The build script and the pipeline pass it to
+                dotnet publish; in any other build, SelfContained makes the SDK pick the RID of this machine.
+            -->
+            <MetaArchitecture>$(RuntimeIdentifier)</MetaArchitecture>
+
+            <MetaPdfiumVersion>$([System.String]::Copy( $(Metadata) ).Split( ';' )[ 9 ])</MetaPdfiumVersion>
+            <MetaVectorStoreVersion>$([System.String]::Copy( $(Metadata) ).Split( ';' )[ 10 ])</MetaVectorStoreVersion>
             
             <GenerateAssemblyInfo>true</GenerateAssemblyInfo>
             

app/MindWork AI Studio/Tools/Pandoc.cs

@@ -1,10 +1,8 @@
 using System.Diagnostics;
 using System.Formats.Tar;
 using System.IO.Compression;
-using System.Reflection;
 using System.Text.RegularExpressions;
 
-using AIStudio.Tools.Metadata;
 using AIStudio.Tools.Services;
 
 using SharedTools;
@@ -15,12 +13,8 @@ public static partial class Pandoc
 {
     private static string TB(string fallbackEN) => PluginSystem.I18N.I.T(fallbackEN, typeof(Pandoc).Namespace, nameof(Pandoc));
 
-    private static readonly Assembly ASSEMBLY = Assembly.GetExecutingAssembly();
-    private static readonly MetaDataArchitectureAttribute META_DATA_ARCH = ASSEMBLY.GetCustomAttribute<MetaDataArchitectureAttribute>()!;
-
-    // Use runtime detection instead of metadata to ensure correct RID on dev machines:
+    // Pandoc is a program of its own, so it has to fit the machine, not the build of AI Studio:
     private static readonly RID CPU_ARCHITECTURE = RIDExtensions.GetCurrentRID();
-    private static readonly RID METADATA_ARCHITECTURE = META_DATA_ARCH.Architecture.ToRID();
 
     private const string DOWNLOAD_URL = "https://github.com/jgm/pandoc/releases/download";
     private const string LATEST_URL = "https://github.com/jgm/pandoc/releases/latest";
@@ -66,19 +60,6 @@ public static partial class Pandoc
     {
         try
         {
-            //
-            // Log a warning if the runtime-detected RID differs from the metadata RID.
-            // This can happen on dev machines where the metadata.txt contains stale values.
-            // We always use the runtime-detected RID for correct behavior.
-            //
-            if (!HAS_LOGGED_EXECUTABLE_ONCE && CPU_ARCHITECTURE != METADATA_ARCHITECTURE)
-            {
-                LOG.LogWarning(
-                    "Runtime-detected RID '{RuntimeRID}' differs from metadata RID '{MetadataRID}'. Using runtime-detected RID. This is expected on dev machines where metadata.txt may be outdated.",
-                    CPU_ARCHITECTURE.ToUserFriendlyName(),
-                    METADATA_ARCHITECTURE.ToUserFriendlyName());
-            }
-
             var preparedProcess = await PreparePandocProcess().AddArgument("--version").BuildAsync(rustService);
             if (!HAS_LOGGED_EXECUTABLE_ONCE)
             {

app/MindWork AI Studio/Tools/PandocProcessBuilder.cs

@@ -1,7 +1,5 @@
 using System.Diagnostics;
-using System.Reflection;
 
-using AIStudio.Tools.Metadata;
 using AIStudio.Tools.Rust;
 using AIStudio.Tools.Services;
 
@@ -11,12 +9,8 @@ namespace AIStudio.Tools;
 
 public sealed class PandocProcessBuilder
 {
-    private static readonly Assembly ASSEMBLY = Assembly.GetExecutingAssembly();
-    private static readonly MetaDataArchitectureAttribute META_DATA_ARCH = ASSEMBLY.GetCustomAttribute<MetaDataArchitectureAttribute>()!;
-
-    // Use runtime detection instead of metadata to ensure correct RID on dev machines:
+    // Pandoc is a program of its own, so it has to fit the machine, not the build of AI Studio:
     private static readonly RID CPU_ARCHITECTURE = RIDExtensions.GetCurrentRID();
-    private static readonly RID METADATA_ARCHITECTURE = META_DATA_ARCH.Architecture.ToRID();
     private static readonly ILogger LOGGER = Program.LOGGER_FACTORY.CreateLogger(nameof(PandocProcessBuilder));
     private const string FLATPAK_PANDOC_PLUGIN_BIN_DIRECTORY = "/app/plugins/pandoc/bin";
 
@@ -139,19 +133,6 @@ public sealed class PandocProcessBuilder
 
         try
         {
-            //
-            // Log a warning if the runtime-detected RID differs from the metadata RID.
-            // This can happen on dev machines where the metadata.txt contains stale values.
-            // We always use the runtime-detected RID for correct behavior.
-            //
-            if (shouldLog && CPU_ARCHITECTURE != METADATA_ARCHITECTURE)
-            {
-                LOGGER.LogWarning(
-                    "Runtime-detected RID '{RuntimeRID}' differs from metadata RID '{MetadataRID}'. Using runtime-detected RID. This is expected on dev machines where metadata.txt may be outdated.",
-                    CPU_ARCHITECTURE.ToUserFriendlyName(),
-                    METADATA_ARCHITECTURE.ToUserFriendlyName());
-            }
-
             //
             // First, we try to find the pandoc executable in the data directory.
             // Any local installation should be preferred over the system-wide installation.

app/SharedTools/RIDExtensions.cs

@@ -8,8 +8,8 @@ public static class RIDExtensions
     /// Detects the current Runtime Identifier (RID) at runtime based on OS and architecture.
     /// </summary>
     /// <remarks>
-    /// This method should be preferred over reading the RID from metadata,
-    /// as the metadata may contain stale values in development environments.
+    /// This is the machine which runs the code. The architecture in the metadata of AI Studio
+    /// is the platform AI Studio was built for instead; both can differ under emulation.
     /// </remarks>
     /// <returns>The detected RID for the current platform.</returns>
     public static RID GetCurrentRID()