Use runtime information for arch decisions

app/MindWork AI Studio/Dialogs/PandocDialog.razor.cs

@@ -1,7 +1,4 @@
-using System.Reflection;
+using AIStudio.Components;
-
-using AIStudio.Components;
-using AIStudio.Tools.Metadata;
 using AIStudio.Tools.Services;
 using Microsoft.AspNetCore.Components;
 
@@ -11,9 +8,8 @@ namespace AIStudio.Dialogs;
 
 public partial class PandocDialog : MSGComponentBase
 {
-    private static readonly Assembly ASSEMBLY = Assembly.GetExecutingAssembly();
+    // Use runtime detection instead of metadata to ensure correct RID on dev machines:
-    private static readonly MetaDataArchitectureAttribute META_DATA_ARCH = ASSEMBLY.GetCustomAttribute<MetaDataArchitectureAttribute>()!;
+    private static readonly RID CPU_ARCHITECTURE = RIDExtensions.GetCurrentRID();
-    private static readonly RID CPU_ARCHITECTURE = META_DATA_ARCH.Architecture.ToRID();
     
     [Parameter]
     public bool ShowInstallationPage { get; set; }

app/MindWork AI Studio/Tools/Pandoc.cs

@@ -14,14 +14,17 @@ namespace AIStudio.Tools;
 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>()!;
-    private static readonly RID CPU_ARCHITECTURE = META_DATA_ARCH.Architecture.ToRID();
+
-    
+    // Use runtime detection instead of metadata to ensure correct RID on dev machines:
+    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";
-    
+
     private static readonly ILogger LOG = Program.LOGGER_FACTORY.CreateLogger(nameof(Pandoc));
     private static readonly Version MINIMUM_REQUIRED_VERSION = new (3, 7, 0, 2);
     private static readonly Version FALLBACK_VERSION = new (3, 7, 0, 2);
@@ -53,6 +56,19 @@ 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 (shouldLog && 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 (shouldLog)
                 LOG.LogInformation("Checking Pandoc availability using executable: '{Executable}' (IsLocal: {IsLocal}).", preparedProcess.StartInfo.FileName, preparedProcess.IsLocal);

app/MindWork AI Studio/Tools/PandocProcessBuilder.cs

@@ -13,7 +13,10 @@ public sealed class PandocProcessBuilder
 {
     private static readonly Assembly ASSEMBLY = Assembly.GetExecutingAssembly();
     private static readonly MetaDataArchitectureAttribute META_DATA_ARCH = ASSEMBLY.GetCustomAttribute<MetaDataArchitectureAttribute>()!;
-    private static readonly RID CPU_ARCHITECTURE = META_DATA_ARCH.Architecture.ToRID();
+
+    // Use runtime detection instead of metadata to ensure correct RID on dev machines:
+    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));
 
     // Tracks whether the first log has been written to avoid log spam on repeated calls:
@@ -122,6 +125,19 @@ 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

@@ -1,7 +1,39 @@
+using System.Runtime.InteropServices;
+
 namespace SharedTools;
 
 public static class RIDExtensions
 {
+    /// <summary>
+    /// 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.
+    /// </remarks>
+    /// <returns>The detected RID for the current platform.</returns>
+    public static RID GetCurrentRID()
+    {
+        var isWindows = RuntimeInformation.IsOSPlatform(OSPlatform.Windows);
+        var isLinux = RuntimeInformation.IsOSPlatform(OSPlatform.Linux);
+        var isMacOS = RuntimeInformation.IsOSPlatform(OSPlatform.OSX);
+        var arch = RuntimeInformation.OSArchitecture;
+
+        return (isWindows, isLinux, isMacOS, arch) switch
+        {
+            (true, _, _, Architecture.X64) => RID.WIN_X64,
+            (true, _, _, Architecture.Arm64) => RID.WIN_ARM64,
+
+            (_, true, _, Architecture.X64) => RID.LINUX_X64,
+            (_, true, _, Architecture.Arm64) => RID.LINUX_ARM64,
+
+            (_, _, true, Architecture.X64) => RID.OSX_X64,
+            (_, _, true, Architecture.Arm64) => RID.OSX_ARM64,
+
+            _ => RID.NONE,
+        };
+    }
+
     public static string AsMicrosoftRid(this RID rid) => rid switch
     {
         RID.WIN_X64 => "win-x64",

runtime/src/pandoc.rs

@@ -1,9 +1,14 @@
 use std::path::{Path, PathBuf};
 use std::fs;
+use std::sync::OnceLock;
+use log::warn;
 use tokio::process::Command;
 use crate::environment::DATA_DIRECTORY;
 use crate::metadata::META_DATA;
 
+/// Tracks whether the RID mismatch warning has been logged.
+static HAS_LOGGED_RID_MISMATCH: OnceLock<()> = OnceLock::new();
+
 pub struct PandocExecutable {
     pub executable: String,
     pub is_local_installation: bool,
@@ -156,13 +161,51 @@ impl PandocProcessBuilder {
         Err("Executable not found".into())
     }
 
-    /// Reads the os platform to determine the used executable name.
+    /// Determines the executable name based on the current OS at runtime.
+    ///
+    /// This uses runtime detection instead of metadata to ensure correct behavior
+    /// on dev machines where the metadata may contain stale values.
     fn pandoc_executable_name() -> String {
-        let metadata = META_DATA.lock().unwrap();
+        // Log a warning (once) if the runtime OS differs from the metadata architecture.
-        let metadata = metadata.as_ref().unwrap();
+        // This can happen on dev machines where the metadata.txt contains stale values.
+        HAS_LOGGED_RID_MISMATCH.get_or_init(|| {
+            let runtime_os = std::env::consts::OS;
+            let runtime_arch = std::env::consts::ARCH;
 
-        match metadata.architecture.as_str() {
+            if let Ok(metadata) = META_DATA.lock() {
-            "win-arm64" | "win-x64" => "pandoc.exe".to_string(),
+                if let Some(metadata) = metadata.as_ref() {
+                    let metadata_arch = &metadata.architecture;
+
+                    // Determine expected OS from metadata:
+                    let metadata_is_windows = metadata_arch.starts_with("win-");
+                    let metadata_is_macos = metadata_arch.starts_with("osx-");
+                    let metadata_is_linux = metadata_arch.starts_with("linux-");
+
+                    // Compare with runtime OS:
+                    let runtime_is_windows = runtime_os == "windows";
+                    let runtime_is_macos = runtime_os == "macos";
+                    let runtime_is_linux = runtime_os == "linux";
+
+                    let os_mismatch = (metadata_is_windows != runtime_is_windows)
+                        || (metadata_is_macos != runtime_is_macos)
+                        || (metadata_is_linux != runtime_is_linux);
+
+                    if os_mismatch {
+                        warn!(
+                            Source = "Pandoc";
+                            "Runtime-detected OS '{}-{}' differs from metadata architecture '{}'. Using runtime-detected OS. This is expected on dev machines where metadata.txt may be outdated.",
+                            runtime_os,
+                            runtime_arch,
+                            metadata_arch
+                        );
+                    }
+                }
+            }
+        });
+
+        // Use std::env::consts::OS for runtime detection instead of metadata
+        match std::env::consts::OS {
+            "windows" => "pandoc.exe".to_string(),
             _ => "pandoc".to_string(),
         }
     }