Update date/time formatting to 12-hour AM/PM format across components

Author: imsaadawais

src/BlazorDataOrchestrator.JobCreatorTemplate/Components/Pages/Home.razor

@@ -170,7 +170,7 @@
                                     </RadzenDataGridColumn>
                                     <RadzenDataGridColumn TItem="LogDisplayEntry" Property="CreatedDate" Title="Created Date" Width="180px">
                                         <Template Context="log">
-                                            @TimeDisplayService.FormatDateTime(log.CreatedDate, "yyyy-MM-dd HH:mm:ss")
+                                            @TimeDisplayService.FormatDateTime(log.CreatedDate, "M/d/yyyy h:mm:ss tt")
                                         </Template>
                                     </RadzenDataGridColumn>
                                     <RadzenDataGridColumn TItem="LogDisplayEntry" Property="Message" Title="Message" />

src/BlazorOrchestrator.Web/Components/Pages/Dialogs/AIChatDialog.razor

@@ -54,7 +54,7 @@
                             <div class="message-content">
                                 <div class="message-header">
                                     <span class="message-sender">@(message.IsUser ? "You" : "AI Assistant")</span>
-                                    <span class="message-time">@message.Timestamp.ToString("HH:mm")</span>
+                                    <span class="message-time">@message.Timestamp.ToString("h:mm tt")</span>
                                 </div>
                                 <div class="message-text">@((MarkupString)FormatMessage(message.Content))</div>
                                 @if (message.IsStreaming)

src/BlazorOrchestrator.Web/Components/Pages/Dialogs/EditJobScheduleDialog.razor

@@ -56,7 +56,7 @@
             <RadzenStack Gap="0.25rem">
                 <RadzenLabel Text="Last Run" Style="font-weight: 500;" />
                 <RadzenText TextStyle="TextStyle.Body2" Style="margin: 0;">
-                    @(TimeDisplayService.FormatDateTime(Schedule.LastRun, "g", "Never"))
+                    @(TimeDisplayService.FormatDateTime(Schedule.LastRun, "M/d/yyyy h:mm tt", "Never"))
                 </RadzenText>
             </RadzenStack>
         </RadzenColumn>

src/BlazorOrchestrator.Web/Services/AppSettingsService.cs

@@ -34,8 +34,8 @@ public AppSettingsService(IConfiguration configuration, IWebHostEnvironment envi
 
     /// <summary>
     /// Gets the configured TimeZoneInfo synchronously from cache.
-    /// Falls back to IConfiguration ("TimezoneId"), then default "America/Los_Angeles".
-    /// Use <see cref="GetTimeZoneInfoAsync"/> for the full Azure Table → config → default fallback.
+    /// Delegates to <see cref="GetTimeZoneInfoAsync"/> (Azure Table → config → default)
+    /// on cache miss, running on a threadpool thread to avoid Blazor deadlocks.
     /// </summary>
     public TimeZoneInfo GetTimeZoneInfo()
     {
@@ -44,9 +44,20 @@ public TimeZoneInfo GetTimeZoneInfo()
             return _cachedTimeZone;
         }
 
-        // Synchronous fallback: IConfiguration → default
-        var timezoneId = _configuration["TimezoneId"] ?? DefaultTimezoneId;
-        return ResolveTimeZone(timezoneId);
+        // Delegate to the async version (Azure Table → config → default) on a threadpool thread
+        try
+        {
+            return Task.Run(() => GetTimeZoneInfoAsync()).GetAwaiter().GetResult();
+        }
+        catch
+        {
+            // If the async path fails entirely, fall back to IConfiguration → default
+            var timezoneId = _configuration["TimezoneId"] ?? DefaultTimezoneId;
+            var tz = ResolveTimeZone(timezoneId);
+            _cachedTimeZone = tz;
+            _cacheExpiry = DateTime.UtcNow.Add(CacheDuration);
+            return tz;
+        }
     }
 
     /// <summary>

src/BlazorOrchestrator.Web/Services/TimeDisplayService.cs

@@ -28,9 +28,9 @@ public DateTime ConvertToDisplayTime(DateTime utcTime)
     /// Formats a DateTime value using the configured timezone (DST-aware).
     /// </summary>
     /// <param name="dateTime">The DateTime to format (assumed to be in UTC)</param>
-    /// <param name="format">The format string (default: "g" for short date/time)</param>
+    /// <param name="format">The format string (default: 12-hour AM/PM format)</param>
     /// <returns>Formatted date/time string in the configured timezone</returns>
-    public string FormatDateTime(DateTime dateTime, string format = "g")
+    public string FormatDateTime(DateTime dateTime, string format = "M/d/yyyy h:mm tt")
     {
         var displayTime = ConvertToDisplayTime(dateTime);
         return displayTime.ToString(format);
@@ -40,10 +40,10 @@ public string FormatDateTime(DateTime dateTime, string format = "g")
     /// Formats a nullable DateTime value using the configured timezone (DST-aware).
     /// </summary>
     /// <param name="dateTime">The DateTime to format (assumed to be in UTC)</param>
-    /// <param name="format">The format string (default: "g" for short date/time)</param>
+    /// <param name="format">The format string (default: 12-hour AM/PM format)</param>
     /// <param name="nullDisplay">Text to display when value is null (default: "-")</param>
     /// <returns>Formatted date/time string in the configured timezone, or nullDisplay if null</returns>
-    public string FormatDateTime(DateTime? dateTime, string format = "g", string nullDisplay = "-")
+    public string FormatDateTime(DateTime? dateTime, string format = "M/d/yyyy h:mm tt", string nullDisplay = "-")
     {
         if (!dateTime.HasValue)
             return nullDisplay;