feat(web): publish version.txt in build pipeline for deterministic live server versioning

.gitea/workflows/prepare-release.yml

@@ -96,6 +96,10 @@ jobs:
             --no-restore \
             --no-build
 
+      - name: Write Version Text
+        run: |
+          echo "${{ steps.metadata.outputs.version }}" > ./publish/version.txt
+
       - name: Write Production Config
         run: |
           mkdir -p ./publish

src/dotnet/QuantEngine.Web/Pages/Account/Login.cshtml.cs

@@ -22,6 +22,20 @@ public class LoginModel : PageModel
     {
         get
         {
+            // 1. Try reading version.txt from application base directory
+            try
+            {
+                var txtPath = Path.Combine(AppContext.BaseDirectory, "version.txt");
+                if (System.IO.File.Exists(txtPath))
+                {
+                    var txtVersion = System.IO.File.ReadAllText(txtPath).Trim();
+                    if (!string.IsNullOrEmpty(txtVersion))
+                        return txtVersion;
+                }
+            }
+            catch {}
+
+            // 2. Try reading raw assembly version
             var rawVersion = Assembly.GetEntryAssembly()
                 ?.GetCustomAttribute<AssemblyInformationalVersionAttribute>()
                 ?.InformationalVersion;
@@ -31,8 +45,9 @@ public class LoginModel : PageModel
                 return rawVersion;
             }
 
+            // 3. Fallback to dynamic local Git parsing if available
             var dateStr = DateTime.UtcNow.AddHours(9).ToString("yyyyMMdd");
-            string gitHash = "c6f269e";
+            string gitHash = "024122d";
             try
             {
                 var baseDir = AppContext.BaseDirectory;

src/dotnet/QuantEngine.Web/Pages/Admin/Dashboard/Index.cshtml.cs

@@ -23,6 +23,20 @@ public class IndexModel : PageModel
     {
         get
         {
+            // 1. Try reading version.txt from application base directory
+            try
+            {
+                var txtPath = Path.Combine(AppContext.BaseDirectory, "version.txt");
+                if (System.IO.File.Exists(txtPath))
+                {
+                    var txtVersion = System.IO.File.ReadAllText(txtPath).Trim();
+                    if (!string.IsNullOrEmpty(txtVersion))
+                        return txtVersion;
+                }
+            }
+            catch {}
+
+            // 2. Try reading raw assembly version
             var rawVersion = Assembly.GetEntryAssembly()
                 ?.GetCustomAttribute<AssemblyInformationalVersionAttribute>()
                 ?.InformationalVersion;
@@ -32,8 +46,9 @@ public class IndexModel : PageModel
                 return rawVersion;
             }
 
+            // 3. Fallback to dynamic local Git parsing if available
             var dateStr = DateTime.UtcNow.AddHours(9).ToString("yyyyMMdd");
-            string gitHash = "c6f269e";
+            string gitHash = "024122d";
             try
             {
                 var baseDir = AppContext.BaseDirectory;