fix stats formatting 3 on export option

hanatui/src/Hana/HdbCliRunner.cs

@@ -13,28 +13,19 @@ public sealed class HdbCliRunner
     /// </summary>
     public static List<HdbUserstoreKey> ListKeys()
     {
-        var result = RunAndCapture(HdbClientLocator.HdbUserstore, "list");
+        var result = RunAndCapture(HdbClientLocator.HdbUserstore, ["list"]);
         if (!result.Success)
             return [];
-
         return HdbUserstoreKey.ParseFrom(result.Output);
     }
 
-    /// <summary>
-    /// Tests a key connection by running a trivial SELECT against DUMMY.
-    /// Returns true on success.
-    /// </summary>
     public static bool TestKey(string key)
     {
-        var result = RunAndCapture(
-            HdbClientLocator.HdbSql,
-            $"-U \"{key}\" \"SELECT 'ok' FROM DUMMY\"");
+        var result = RunAndCapture(HdbClientLocator.HdbSql,
+            ["-U", key, "SELECT 'ok' FROM DUMMY"]);
         return result.Success && result.Output.Contains("ok");
     }
 
-    /// <summary>
-    /// Lists eligible schemas for the given userstore key.
-    /// </summary>
     public static (bool Success, List<string> Schemas, string Error) ListSchemas(string key)
     {
         const string query =
@@ -42,7 +33,7 @@ public sealed class HdbCliRunner
             "WHERE SCHEMA_OWNER = 'SYSTEM' " +
             "AND SCHEMA_NAME NOT IN ('_SYS_SECURITY', 'IFSERV', 'B1if', 'SYSTEM', 'RSP');";
 
-        var result = RunAndCapture(HdbClientLocator.HdbSql, $"-U \"{key}\" \"{query}\"");
+        var result = RunAndCapture(HdbClientLocator.HdbSql, ["-U", key, query]);
         if (!result.Success)
             return (false, [], result.Output);
 
@@ -73,9 +64,11 @@ public sealed class HdbCliRunner
         Action<string> onOutputLine,
         CancellationToken ct)
     {
+        // Use ArgumentList (not Arguments) so args are passed directly to the process
+        // without shell quoting — double quotes inside SQL won't break the argument boundary.
         return await RunStreamingAsync(
             HdbClientLocator.HdbSql,
-            $"-U \"{key}\" \"{sql}\"",
+            ["-U", key, sql],
             onOutputLine,
             ct);
     }
@@ -90,23 +83,29 @@ public sealed class HdbCliRunner
         Action<string> onOutputLine,
         CancellationToken ct)
     {
-        return await RunStreamingAsync(executable, arguments, onOutputLine, ct);
+        // Shell commands (tar, pigz) need shell parsing for things like -I "pigz -p N",
+        // so we use a bash -c wrapper to ensure correct tokenisation.
+        return await RunStreamingAsync(
+            "/bin/bash",
+            ["-c", arguments],
+            onOutputLine,
+            ct);
     }
 
     // -------------------------------------------------------------------------
 
-    private static (bool Success, string Output) RunAndCapture(string exe, string args)
+    private static (bool Success, string Output) RunAndCapture(string exe, string[] args)
     {
         try
         {
             var psi = new ProcessStartInfo(exe)
             {
-                Arguments = args,
                 RedirectStandardOutput = true,
-                RedirectStandardError = true,
-                UseShellExecute = false,
-                CreateNoWindow = true,
+                RedirectStandardError  = true,
+                UseShellExecute        = false,
+                CreateNoWindow         = true,
             };
+            foreach (var a in args) psi.ArgumentList.Add(a);
 
             using var proc = Process.Start(psi);
             if (proc is null)
@@ -116,10 +115,9 @@ public sealed class HdbCliRunner
             var stderr = proc.StandardError.ReadToEnd();
             proc.WaitForExit();
 
-            if (proc.ExitCode == 0)
-                return (true, stdout);
-            else
-                return (false, string.IsNullOrWhiteSpace(stderr) ? stdout : stderr);
+            return proc.ExitCode == 0
+                ? (true, stdout)
+                : (false, string.IsNullOrWhiteSpace(stderr) ? stdout : stderr);
         }
         catch (Exception ex)
         {
@@ -129,18 +127,18 @@ public sealed class HdbCliRunner
 
     private static async Task<int> RunStreamingAsync(
         string exe,
-        string args,
+        string[] args,
         Action<string> onOutputLine,
         CancellationToken ct)
     {
         var psi = new ProcessStartInfo(exe)
         {
-            Arguments = args,
             RedirectStandardOutput = true,
-            RedirectStandardError = true,
-            UseShellExecute = false,
-            CreateNoWindow = true,
+            RedirectStandardError  = true,
+            UseShellExecute        = false,
+            CreateNoWindow         = true,
         };
+        foreach (var a in args) psi.ArgumentList.Add(a);
 
         Process? proc;
         try

hanatui/src/Hana/SchemaService.cs

@@ -357,7 +357,7 @@ public sealed class SchemaService(string userKey)
     private async Task<string> GetTenantNameAsync()
     {
         var sql = SqlQueryBuilder.GetTenantName();
-        var (success, output) = RunCapture(HdbClientLocator.HdbSql, $"-U \"{_key}\" \"{sql}\"");
+        var (success, output) = RunCapture(HdbClientLocator.HdbSql, ["-U", _key, sql]);
         if (!success) return "";
 
         foreach (var line in output.Split('\n'))
@@ -373,19 +373,19 @@ public sealed class SchemaService(string userKey)
         return "";
     }
 
-    private static (bool, string) RunCapture(string exe, string args)
+    private static (bool, string) RunCapture(string exe, string[] args)
     {
         try
         {
-        var psi = new SysDiag.ProcessStartInfo(exe)
-        {
-            Arguments = args,
-            RedirectStandardOutput = true,
-            RedirectStandardError = true,
-            UseShellExecute = false,
-            CreateNoWindow = true,
-        };
-        using var proc = SysDiag.Process.Start(psi);
+            var psi = new SysDiag.ProcessStartInfo(exe)
+            {
+                RedirectStandardOutput = true,
+                RedirectStandardError  = true,
+                UseShellExecute        = false,
+                CreateNoWindow         = true,
+            };
+            foreach (var a in args) psi.ArgumentList.Add(a);
+            using var proc = SysDiag.Process.Start(psi);
             if (proc is null) return (false, "");
             var stdout = proc.StandardOutput.ReadToEnd();
             var stderr = proc.StandardError.ReadToEnd();

hanatui/src/Tui/Components/LogPanel.cs

@@ -3,27 +3,23 @@ using Spectre.Console.Rendering;
 
 namespace HanaTui.Tui.Components;
 
-/// <summary>
-/// A timestamped log entry.
-/// </summary>
 public sealed class LogEntry
 {
-    public DateTime Time { get; init; } = DateTime.Now;
-    public string Text { get; init; } = "";
+    public DateTime Time  { get; init; } = DateTime.Now;
+    public string Text    { get; init; } = "";
     public LogLevel Level { get; init; } = LogLevel.Info;
 }
 
 public enum LogLevel { Info, Sql, Done, Warn, Error }
 
 /// <summary>
-/// Maintains a bounded list of log entries and renders them as a
-/// Spectre.Console IRenderable panel, showing the most recent N lines.
-/// Thread-safe.
+/// Thread-safe bounded log. Build() returns an IRenderable panel.
+/// Dynamic content is rendered via Text() objects — never interpolated into markup strings.
 /// </summary>
 public sealed class LogPanel
 {
-    private const int MaxEntries = 500;
-    private const int VisibleLines = 20; // shown inside the panel
+    private const int MaxEntries   = 500;
+    private const int VisibleLines = 20;
 
     private readonly List<LogEntry> _entries = new(MaxEntries);
     private readonly object _lock = new();
@@ -31,19 +27,13 @@ public sealed class LogPanel
     public void Add(string text)
     {
         var level = DetectLevel(text);
-        var entry = new LogEntry { Time = DateTime.Now, Text = text, Level = level };
-
         lock (_lock)
         {
-            if (_entries.Count >= MaxEntries)
-                _entries.RemoveAt(0);
-            _entries.Add(entry);
+            if (_entries.Count >= MaxEntries) _entries.RemoveAt(0);
+            _entries.Add(new LogEntry { Time = DateTime.Now, Text = text, Level = level });
         }
     }
 
-    /// <summary>
-    /// Returns a renderable panel showing the last N log lines.
-    /// </summary>
     public IRenderable Build()
     {
         List<LogEntry> snapshot;
@@ -56,28 +46,37 @@ public sealed class LogPanel
         var rows = new Grid();
         rows.AddColumn(new GridColumn().NoWrap());
 
-        // Pad to VisibleLines so the panel doesn't resize each tick
-        var padCount = VisibleLines - snapshot.Count;
-        for (int i = 0; i < padCount; i++)
+        // Pad so the panel height stays stable
+        for (int i = 0; i < VisibleLines - snapshot.Count; i++)
             rows.AddRow(new Text(""));
 
         foreach (var entry in snapshot)
         {
-            var timeStr = entry.Time.ToString("HH:mm:ss");
-            var (tag, color) = entry.Level switch
+            var (tagLabel, tagColor, textColor) = entry.Level switch
             {
-                LogLevel.Sql   => ("[SQL ]", "blue"),
-                LogLevel.Done  => ("[DONE]", "green"),
-                LogLevel.Warn  => ("[WARN]", "yellow"),
-                LogLevel.Error => ("[ERR ]", "red"),
-                _              => ("[INFO]", "grey"),
+                LogLevel.Sql   => ("SQL ", Color.Blue,   Color.White),
+                LogLevel.Done  => ("DONE", Color.Green,  Color.White),
+                LogLevel.Warn  => ("WARN", Color.Yellow, Color.White),
+                LogLevel.Error => ("ERR ", Color.Red,    Color.White),
+                _              => ("INFO", Color.Grey,   Color.Silver),
             };
 
-            // Escape any markup-like content in the raw text
-            var safeText = Markup.Escape(entry.Text);
+            // Strip the [TAG] prefix the service already prepends — we re-render it with color
+            var bodyText = StripKnownPrefix(entry.Text);
 
-            rows.AddRow(new Markup(
-                $"[dim]{timeStr}[/] [{color}]{tag}[/] {safeText}"));
+            // Compose the row from Text objects — zero markup parsing of dynamic content
+            var lineGrid = new Grid();
+            lineGrid.AddColumn(new GridColumn().NoWrap().Width(10)); // time
+            lineGrid.AddColumn(new GridColumn().NoWrap().Width(8));  // tag
+            lineGrid.AddColumn(new GridColumn().NoWrap());            // body
+
+            lineGrid.AddRow(
+                new Text(entry.Time.ToString("HH:mm:ss"), new Style(Color.Grey, decoration: Decoration.Dim)),
+                new Text($"[{tagLabel}]", new Style(tagColor)),
+                new Text(" " + bodyText, new Style(textColor))
+            );
+
+            rows.AddRow(lineGrid);
         }
 
         return new Panel(rows)
@@ -88,16 +87,26 @@ public sealed class LogPanel
         };
     }
 
+    // -------------------------------------------------------------------------
+
     private static LogLevel DetectLevel(string text)
     {
-        if (text.Contains("[SQL ]") || text.Contains("[SQL]"))
-            return LogLevel.Sql;
-        if (text.Contains("[DONE]"))
-            return LogLevel.Done;
-        if (text.Contains("[WARN]"))
-            return LogLevel.Warn;
-        if (text.Contains("[ERROR]") || text.Contains("[ERR]"))
-            return LogLevel.Error;
+        if (text.Contains("[SQL ]") || text.Contains("[SQL]"))   return LogLevel.Sql;
+        if (text.Contains("[DONE]"))                              return LogLevel.Done;
+        if (text.Contains("[WARN]"))                              return LogLevel.Warn;
+        if (text.Contains("[ERROR]") || text.Contains("[ERR ]") || text.Contains("[ERR]"))
+                                                                  return LogLevel.Error;
         return LogLevel.Info;
     }
+
+    private static readonly string[] KnownPrefixes =
+        ["[INFO] ", "[SQL ] ", "[SQL] ", "[DONE] ", "[WARN] ", "[ERROR] ", "[ERR ] ", "[ERR] "];
+
+    private static string StripKnownPrefix(string text)
+    {
+        foreach (var p in KnownPrefixes)
+            if (text.StartsWith(p, StringComparison.Ordinal))
+                return text[p.Length..];
+        return text;
+    }
 }

hanatui/src/Tui/Components/StatsPanel.cs

@@ -6,130 +6,142 @@ namespace HanaTui.Tui.Components;
 
 /// <summary>
 /// Renders the system stats panel (CPU bars, RAM bar, Swap bar, elapsed time).
-/// Returns a Spectre.Console IRenderable so it can be embedded in a Live layout.
+/// Uses only hardcoded markup tags — no dynamic data ever enters a markup string.
 /// </summary>
 public static class StatsPanel
 {
-    /// <summary>
-    /// Build the stats panel renderable from the current snapshot.
-    /// </summary>
-    public static IRenderable Build(SystemSnapshot snap, TimeSpan elapsed, int panelWidth)
+  public static IRenderable Build(SystemSnapshot snap, TimeSpan elapsed, int panelWidth)
+  {
+    var barWidth = Math.Max(10, panelWidth - 16);
+
+    var grid = new Grid();
+    grid.AddColumn(new GridColumn().NoWrap());
+
+    // --- CPU ---
+    grid.AddRow(new Markup("[bold yellow]CPU[/]"));
+
+    if (snap.CpuPercents.Length == 0)
     {
-        var barWidth = Math.Max(10, panelWidth - 16); // leave room for label + %
-
-        var grid = new Grid();
-        grid.AddColumn(new GridColumn().NoWrap());
-
-        // --- CPU Section ---
-        grid.AddRow(new Markup("[bold yellow]CPU[/]"));
-
-        if (snap.CpuPercents.Length == 0)
-        {
-            grid.AddRow(new Markup("[grey]No data[/]"));
-        }
-        else
-        {
-            for (int i = 0; i < snap.CpuPercents.Length; i++)
-            {
-                var label = snap.CpuLabels.Length > i ? snap.CpuLabels[i] : $"cpu{i}";
-                var displayLabel = label == "cpu" ? "Total" : label.Replace("cpu", "Core");
-                var pct = snap.CpuPercents[i];
-                var bar = BuildBar(pct, barWidth, CpuColor(pct));
-                grid.AddRow(new Markup($"  [dim]{displayLabel,-6}[/] {bar} [bold]{pct,5:F1}%[/]"));
-            }
-        }
-
-        grid.AddRow(new Text(""));
-
-        // --- Memory Section ---
-        grid.AddRow(new Markup("[bold cyan]MEMORY[/]"));
-        if (snap.MemTotalKb > 0)
-        {
-            var memPct = snap.MemUsedPercent;
-            var memBar = BuildBar(memPct, barWidth, MemColor(memPct));
-            grid.AddRow(new Markup(
-                $"  [dim]Used  [/] {memBar} [bold]{memPct,5:F1}%[/]"));
-            grid.AddRow(new Markup(
-                $"  [dim]{SystemSnapshot.FormatGb(snap.MemUsedKb)} / {SystemSnapshot.FormatGb(snap.MemTotalKb)}[/]"));
-        }
-        else
-        {
-            grid.AddRow(new Markup("[grey]No data[/]"));
-        }
-
-        grid.AddRow(new Text(""));
-
-        // --- Swap Section ---
-        grid.AddRow(new Markup("[bold cyan]SWAP[/]"));
-        if (snap.SwapTotalKb > 0)
-        {
-            var swapPct = snap.SwapUsedPercent;
-            var swapBar = BuildBar(swapPct, barWidth, MemColor(swapPct));
-            grid.AddRow(new Markup(
-                $"  [dim]Used  [/] {swapBar} [bold]{swapPct,5:F1}%[/]"));
-            grid.AddRow(new Markup(
-                $"  [dim]{SystemSnapshot.FormatGb(snap.SwapUsedKb)} / {SystemSnapshot.FormatGb(snap.SwapTotalKb)}[/]"));
-        }
-        else
-        {
-            grid.AddRow(new Markup("[grey]No swap[/]"));
-        }
-
-        grid.AddRow(new Text(""));
-
-        // --- Elapsed ---
-        grid.AddRow(new Markup(
-            $"[bold]Elapsed:[/] [yellow]{FormatElapsed(elapsed)}[/]"));
-
-        var panel = new Panel(grid)
-        {
-            Header = new PanelHeader("[bold] SYSTEM STATS [/]"),
-            Border = BoxBorder.Rounded,
-            Padding = new Padding(1, 0),
-        };
-
-        return panel;
+      grid.AddRow(new Markup("[grey]No data[/]"));
+    }
+    else
+    {
+      for (int i = 0; i < snap.CpuPercents.Length; i++)
+      {
+        var label = snap.CpuLabels.Length > i ? snap.CpuLabels[i] : $"cpu{i}";
+        var displayLabel = label == "cpu" ? "Total" : label.Replace("cpu", "Core");
+        var pct = snap.CpuPercents[i];
+        // Build as Columns: label | bar | pct — no interpolation of dynamic values into markup
+        grid.AddRow(BuildBarRow(displayLabel, pct, barWidth));
+      }
     }
 
-    // -------------------------------------------------------------------------
-    // Helpers
-    // -------------------------------------------------------------------------
+    grid.AddRow(new Text(""));
 
-    /// <summary>
-    /// Renders a horizontal block bar of the given width.
-    /// e.g.  [████████░░░░]
-    /// </summary>
-    private static string BuildBar(double percent, int width, string color)
+    // --- Memory ---
+    grid.AddRow(new Markup("[bold cyan]MEMORY[/]"));
+    if (snap.MemTotalKb > 0)
     {
-        var filled = (int)Math.Round(percent / 100.0 * width);
-        filled = Math.Clamp(filled, 0, width);
-        var empty = width - filled;
-
-        var bar = new string('\u2588', filled) + new string('\u2591', empty);
-        return $"[[{color}]{bar}[/]]";
+      var memPct = snap.MemUsedPercent;
+      grid.AddRow(BuildBarRow("Used", memPct, barWidth));
+      grid.AddRow(new Text($"  {SystemSnapshot.FormatGb(snap.MemUsedKb)} / {SystemSnapshot.FormatGb(snap.MemTotalKb)}",
+            new Style(Color.Grey)));
+    }
+    else
+    {
+      grid.AddRow(new Markup("[grey]No data[/]"));
     }
 
-    private static string CpuColor(double pct) => pct switch
+    grid.AddRow(new Text(""));
+
+    // --- Swap ---
+    grid.AddRow(new Markup("[bold cyan]SWAP[/]"));
+    if (snap.SwapTotalKb > 0)
     {
-        > 90 => "red",
-        > 70 => "yellow",
-        > 40 => "green",
-        _ => "blue",
+      var swapPct = snap.SwapUsedPercent;
+      grid.AddRow(BuildBarRow("Used", swapPct, barWidth));
+      grid.AddRow(new Text($"  {SystemSnapshot.FormatGb(snap.SwapUsedKb)} / {SystemSnapshot.FormatGb(snap.SwapTotalKb)}",
+            new Style(Color.Grey)));
+    }
+    else
+    {
+      grid.AddRow(new Markup("[grey]No swap[/]"));
+    }
+
+    grid.AddRow(new Text(""));
+
+    // --- Elapsed ---
+    // Two separate renderables composed — no interpolation of elapsed into markup
+    var elapsedGrid = new Grid();
+    elapsedGrid.AddColumn(new GridColumn().NoWrap());
+    elapsedGrid.AddColumn(new GridColumn().NoWrap());
+    elapsedGrid.AddRow(
+        new Markup("[bold]Elapsed:[/]"),
+        new Text(" " + FormatElapsed(elapsed), new Style(Color.Yellow)));
+    grid.AddRow(elapsedGrid);
+
+    return new Panel(grid)
+    {
+      Header = new PanelHeader("[bold] SYSTEM STATS [/]"),
+      Border = BoxBorder.Rounded,
+      Padding = new Padding(1, 0),
     };
+  }
 
-    private static string MemColor(double pct) => pct switch
-    {
-        > 90 => "red",
-        > 70 => "yellow",
-        _ => "cyan",
-    };
+  // -------------------------------------------------------------------------
+  // Helpers
+  // -------------------------------------------------------------------------
 
-    private static string FormatElapsed(TimeSpan t)
-    {
-        if (t.TotalHours >= 1)
-            return $"{(int)t.TotalHours}h {t.Minutes:D2}m {t.Seconds:D2}s";
-        if (t.TotalMinutes >= 1)
-            return $"{t.Minutes}m {t.Seconds:D2}s";
-        return $"{t.Seconds}s";
-    }
+  /// <summary>
+  /// Builds a single bar row as a Grid with three columns:
+  ///   label (dim) | bar (block chars, plain Text with color) | pct (bold)
+  /// Nothing here goes through markup parsing with dynamic content.
+  /// </summary>
+  private static IRenderable BuildBarRow(string label, double pct, int barWidth)
+  {
+    var filled = (int)Math.Round(pct / 100.0 * barWidth);
+    filled = Math.Clamp(filled, 0, barWidth);
+    var empty = barWidth - filled;
+
+    var filledColor = CpuColor(pct);
+    var filledStr = new string('\u2588', filled);
+    var emptyStr  = new string('\u2591', empty);
+
+    var row = new Grid();
+
+    // FIX: Add all three columns back!
+    row.AddColumn(new GridColumn().NoWrap().Width(10));  // Column 1: Label
+    row.AddColumn(new GridColumn().NoWrap());           // Column 2: Bar
+    row.AddColumn(new GridColumn().NoWrap().Width(8));  // Column 3: Pct
+
+    var colorMarkup = filledColor.ToMarkup(); 
+
+    // Construct a seamless markup string
+    var barMarkup = $"[grey][[[/][{colorMarkup}]{filledStr}[/][grey dim]{emptyStr}[/][grey]]][/]";
+
+    row.AddRow(
+        new Text($"  {label,-5}", new Style(Color.Grey, decoration: Decoration.Dim)),
+        new Markup(barMarkup), 
+        new Text($" {pct,5:F1}%", new Style(Color.White, decoration: Decoration.Bold))
+        );
+
+    return row;
+  }
+
+  private static Color CpuColor(double pct) => pct switch
+  {
+    > 90 => Color.Red,
+    > 70 => Color.Yellow,
+    > 40 => Color.Green,
+    _    => Color.Blue,
+  };
+
+  private static string FormatElapsed(TimeSpan t)
+  {
+    if (t.TotalHours >= 1)
+      return $"{(int)t.TotalHours}h {t.Minutes:D2}m {t.Seconds:D2}s";
+    if (t.TotalMinutes >= 1)
+      return $"{t.Minutes}m {t.Seconds:D2}s";
+    return $"{t.Seconds}s";
+  }
 }

hanatui/src/Tui/KeySelectionScreen.cs

@@ -1,5 +1,6 @@
 using HanaTui.Hana;
 using Spectre.Console;
+using SysText = System.Text;
 
 namespace HanaTui.Tui;
 
@@ -9,6 +10,17 @@ namespace HanaTui.Tui;
 /// </summary>
 public static class KeySelectionScreen
 {
+    private sealed class KeyChoice
+    {
+        public string Display { get; init; } = "";
+        public string? KeyName { get; init; }  // null = exit, "" = manual entry
+
+        public static readonly KeyChoice Manual = new() { Display = "[ Enter key name manually ]", KeyName = "" };
+        public static readonly KeyChoice Exit   = new() { Display = "[ Exit ]",                    KeyName = null };
+
+        public override string ToString() => Display;
+    }
+
     public static string? Run()
     {
         AnsiConsole.Clear();
@@ -25,14 +37,11 @@ public static class KeySelectionScreen
             return null;
         }
 
-        // Show client path for reference
         var clientDir = HdbClientLocator.ClientDirectory;
         if (clientDir is not null)
-            AnsiConsole.MarkupLine($"[dim]HDB client: {clientDir}[/]\n");
+            AnsiConsole.MarkupLine($"[dim]HDB client: {Markup.Escape(clientDir)}[/]\n");
 
-        // Load keys with a spinner
         List<HdbUserstoreKey> keys = [];
-
         AnsiConsole.Status()
             .Spinner(Spinner.Known.Dots)
             .SpinnerStyle(Style.Parse("blue"))
@@ -47,49 +56,60 @@ public static class KeySelectionScreen
             AnsiConsole.MarkupLine("You can still enter a key name manually.\n");
         }
 
-        // Build selection choices
-        var choices = new List<string>();
-        foreach (var k in keys)
-        {
-            var detail = BuildKeyDetail(k);
-            choices.Add(detail);
-        }
-        choices.Add("[dim][ Enter key name manually ][/]");
-        choices.Add("[red][ Exit ][/]");
+        // Build typed choices. Display is plain text — never parsed as markup.
+        var choices = keys
+            .Select(k => new KeyChoice { Display = BuildKeyDisplay(k), KeyName = k.Name })
+            .ToList();
+        choices.Add(KeyChoice.Manual);
+        choices.Add(KeyChoice.Exit);
 
-        var prompt = new SelectionPrompt<string>()
+        var prompt = new SelectionPrompt<KeyChoice>()
             .Title("[bold]Select HDBUSERSTORE key:[/]")
             .PageSize(15)
             .HighlightStyle(Style.Parse("bold dodgerblue1"))
+            .UseConverter(c => Markup.Escape(c.Display))
             .AddChoices(choices);
 
         var selected = AnsiConsole.Prompt(prompt);
 
-        if (selected.Contains("Exit"))
-            return null;
+        if (selected.KeyName is null)
+            return null;  // Exit
 
-        if (selected.Contains("manually"))
+        if (selected.KeyName == "")
         {
             var manual = AnsiConsole.Ask<string>("[bold]Enter HDBUSERSTORE key name:[/]").Trim();
             return string.IsNullOrWhiteSpace(manual) ? null : manual;
         }
 
-        // Extract the key name from the formatted string (it's always the first word)
-        var keyName = selected.Split(' ')[0].Trim();
-        return keyName;
+        return selected.KeyName;
     }
 
-    private static string BuildKeyDetail(HdbUserstoreKey k)
+    private static string BuildKeyDisplay(HdbUserstoreKey k)
     {
-        var parts = new List<string> { k.Name };
+        var sb = new SysText.StringBuilder(k.Name);
 
         if (!string.IsNullOrEmpty(k.Host))
-            parts.Add($"[dim]{k.Host}:{k.Port}[/]");
-        if (!string.IsNullOrEmpty(k.Tenant))
-            parts.Add($"[dim]@{k.Tenant}[/]");
-        if (!string.IsNullOrEmpty(k.User))
-            parts.Add($"[dim]user={k.User}[/]");
+        {
+            sb.Append("  ");
+            sb.Append(k.Host);
+            if (!string.IsNullOrEmpty(k.Port))
+            {
+                sb.Append(':');
+                sb.Append(k.Port);
+            }
+            if (!string.IsNullOrEmpty(k.Tenant))
+            {
+                sb.Append('@');
+                sb.Append(k.Tenant);
+            }
+        }
 
-        return string.Join("  ", parts);
+        if (!string.IsNullOrEmpty(k.User))
+        {
+            sb.Append("  user=");
+            sb.Append(k.User);
+        }
+
+        return sb.ToString();
     }
 }

hanatui/src/Tui/MainMenuScreen.cs

@@ -32,15 +32,15 @@ public static class MainMenuScreen
 
         if (key is not null)
         {
+            var conn = key.Host + ":" + key.Port +
+                       (string.IsNullOrEmpty(key.Tenant) ? "" : "@" + key.Tenant) +
+                       "  user=" + key.User;
             AnsiConsole.MarkupLine(
-                $"  Key: [bold yellow]{key.Name}[/]  " +
-                $"[dim]{key.Host}:{key.Port}" +
-                (string.IsNullOrEmpty(key.Tenant) ? "" : $"@{key.Tenant}") +
-                $"  user={key.User}[/]");
+                $"  Key: [bold yellow]{Markup.Escape(key.Name)}[/]  [dim]{Markup.Escape(conn)}[/]");
         }
         else
         {
-            AnsiConsole.MarkupLine($"  Key: [bold yellow]{keyName}[/]");
+            AnsiConsole.MarkupLine($"  Key: [bold yellow]{Markup.Escape(keyName)}[/]");
         }
 
         AnsiConsole.WriteLine();

hanatui/src/Tui/OperationForms.cs

@@ -14,6 +14,21 @@ public static class OperationForms
     // Shared helpers
     // -------------------------------------------------------------------------
 
+    /// <summary>
+    /// A choice item that keeps the real value separate from the display label.
+    /// The display label is pre-escaped plain text — never interpreted as markup.
+    /// </summary>
+    private sealed class SchemaChoice
+    {
+        public string Display { get; init; } = "";
+        public string? Value  { get; init; }   // null = cancel, "" = manual entry
+
+        public static readonly SchemaChoice Manual = new() { Display = "[ Enter manually ]", Value = "" };
+        public static readonly SchemaChoice Cancel = new() { Display = "[ Cancel ]",         Value = null };
+
+        public override string ToString() => Display;
+    }
+
     /// <summary>
     /// Fetches the schema list with a spinner, then shows an arrow-key picker.
     /// Returns the selected schema, or null if cancelled.
@@ -38,28 +53,35 @@ public static class OperationForms
         if (error is not null)
             AnsiConsole.MarkupLine($"[yellow][[WARN]] Could not fetch schemas: {Markup.Escape(error)}[/]");
 
-        var choices = new List<string>(schemas);
-        choices.Add("[dim][ Enter manually ][/]");
-        choices.Add("[dim][ Cancel ][/]");
+        // Build typed choices. Display is plain text; ToString() is what SelectionPrompt shows.
+        var choices = schemas
+            .Select(s => new SchemaChoice { Display = s, Value = s })
+            .ToList();
+        choices.Add(SchemaChoice.Manual);
+        choices.Add(SchemaChoice.Cancel);
 
-        var prompt = new SelectionPrompt<string>()
-            .Title($"[bold]{title}[/]")
+        // UseConverter returns Display which is already plain text.
+        // We also set the prompt to NOT interpret converter output as markup by
+        // escaping it — belt-and-suspenders.
+        var prompt = new SelectionPrompt<SchemaChoice>()
+            .Title($"[bold]{Markup.Escape(title)}[/]")
             .PageSize(15)
             .HighlightStyle(Style.Parse("bold dodgerblue1"))
+            .UseConverter(c => Markup.Escape(c.Display))
             .AddChoices(choices);
 
         var selected = AnsiConsole.Prompt(prompt);
 
-        if (selected.Contains("Cancel"))
-            return null;
+        if (selected.Value is null)
+            return null;   // Cancel
 
-        if (selected.Contains("manually"))
+        if (selected.Value == "")
         {
             var manual = AnsiConsole.Ask<string>("Enter schema name:").Trim();
             return string.IsNullOrWhiteSpace(manual) ? null : manual;
         }
 
-        return selected.Trim();
+        return selected.Value;
     }
 
     private static int PickThreads(string label = "Number of threads")
@@ -81,7 +103,7 @@ public static class OperationForms
     private static void PrintOperationHeader(string title)
     {
         AnsiConsole.Clear();
-        var rule = new Rule($"[bold dodgerblue1]{title}[/]").RuleStyle(Style.Parse("dodgerblue1"));
+        var rule = new Rule($"[bold dodgerblue1]{Markup.Escape(title)}[/]").RuleStyle(Style.Parse("dodgerblue1"));
         AnsiConsole.Write(rule);
         AnsiConsole.WriteLine();
     }
@@ -93,8 +115,8 @@ public static class OperationForms
         table.AddColumn("[bold]Parameter[/]");
         table.AddColumn("[bold]Value[/]");
         foreach (var (k, v) in fields)
-            table.AddRow($"[dim]{k}[/]", $"[yellow]{Markup.Escape(v)}[/]");
-        AnsiConsole.MarkupLine($"[bold]{title}[/]");
+            table.AddRow($"[dim]{Markup.Escape(k)}[/]", $"[yellow]{Markup.Escape(v)}[/]");
+        AnsiConsole.MarkupLine($"[bold]{Markup.Escape(title)}[/]");
         AnsiConsole.Write(table);
         AnsiConsole.WriteLine();
 

hanatui/src/Tui/TaskRunnerScreen.cs

@@ -10,19 +10,13 @@ namespace HanaTui.Tui;
 ///   Left:  System stats (CPU, RAM, Swap, elapsed)
 ///   Right: Streaming operation log
 ///
-/// Abort behavior:
-///   First Q  -> warning shown in log
-///   Second Q (within 3s) -> sends cancellation (SIGTERM -> wait 5s -> SIGKILL)
-///
-/// Post-completion:
-///   Stats freeze, log stays.
-///   "Returning in 10s... [any key to stay]" countdown.
-///   If key pressed: stays until Enter/Esc.
+/// Abort: first Q warns, second Q within 3s sends SIGTERM then SIGKILL.
+/// Post-completion: 10s countdown, any key cancels and holds; Enter/Esc returns.
 /// </summary>
 public static class TaskRunnerScreen
 {
-    private const int CountdownSeconds = 10;
-    private const double AbortWindowSeconds = 3.0;
+    private const int    CountdownSeconds    = 10;
+    private const double AbortWindowSeconds  = 3.0;
 
     public static async Task RunAsync(
         string operationTitle,
@@ -30,20 +24,16 @@ public static class TaskRunnerScreen
     {
         AnsiConsole.Clear();
 
-        var logPanel = new LogPanel();
-        var stats = new SystemStats();
-        var cts = new CancellationTokenSource();
+        var logPanel  = new LogPanel();
+        var stats     = new SystemStats();
+        var cts       = new CancellationTokenSource();
         var startTime = DateTime.Now;
 
-        var operationDone = false;
+        var operationDone    = false;
         var operationSuccess = false;
+        DateTime? firstQTime = null;
 
-        // Abort state machine
-        DateTime? firstQPressTime = null;
-
-        // -----------------------------------------------------------------------
-        // Key listener task — runs concurrently with the Live render loop
-        // -----------------------------------------------------------------------
+        // Key listener
         var keyTask = Task.Run(async () =>
         {
             while (!operationDone)
@@ -51,25 +41,24 @@ public static class TaskRunnerScreen
                 if (Console.KeyAvailable)
                 {
                     var key = Console.ReadKey(intercept: true);
-                    if (key.Key == ConsoleKey.Q || key.KeyChar == 'q' || key.KeyChar == 'Q')
+                    if (key.Key == ConsoleKey.Q || key.KeyChar is 'q' or 'Q')
                     {
-                        if (cts.IsCancellationRequested) break; // already cancelled
+                        if (cts.IsCancellationRequested) break;
 
-                        if (firstQPressTime is null)
+                        if (firstQTime is null)
                         {
-                            firstQPressTime = DateTime.Now;
-                            logPanel.Add("[WARN] Press Q again within 3 seconds to abort the operation.");
+                            firstQTime = DateTime.Now;
+                            logPanel.Add("[WARN] Press Q again within 3 seconds to abort.");
                         }
-                        else if ((DateTime.Now - firstQPressTime.Value).TotalSeconds <= AbortWindowSeconds)
+                        else if ((DateTime.Now - firstQTime.Value).TotalSeconds <= AbortWindowSeconds)
                         {
                             logPanel.Add("[WARN] Aborting operation...");
                             await cts.CancelAsync();
                         }
                         else
                         {
-                            // Window expired, treat as first press again
-                            firstQPressTime = DateTime.Now;
-                            logPanel.Add("[WARN] Press Q again within 3 seconds to abort the operation.");
+                            firstQTime = DateTime.Now;
+                            logPanel.Add("[WARN] Press Q again within 3 seconds to abort.");
                         }
                     }
                 }
@@ -77,16 +66,12 @@ public static class TaskRunnerScreen
             }
         }, CancellationToken.None);
 
-        // -----------------------------------------------------------------------
-        // Main operation task
-        // -----------------------------------------------------------------------
+        // Operation task
         var operationTask = Task.Run(async () =>
         {
             try
             {
-                operationSuccess = await operation(
-                    line => logPanel.Add(line),
-                    cts.Token);
+                operationSuccess = await operation(line => logPanel.Add(line), cts.Token);
             }
             catch (Exception ex)
             {
@@ -99,93 +84,77 @@ public static class TaskRunnerScreen
             }
         }, CancellationToken.None);
 
-        // -----------------------------------------------------------------------
         // Live render loop
-        // -----------------------------------------------------------------------
-        await AnsiConsole.Live(BuildLayout(logPanel, stats, startTime, "[yellow]Running...[/]"))
+        await AnsiConsole.Live(BuildLayout(operationTitle, logPanel, stats, startTime, RunState.Running))
             .AutoClear(false)
             .StartAsync(async ctx =>
             {
                 while (!operationDone)
                 {
-                    var elapsed = DateTime.Now - startTime;
-                    ctx.UpdateTarget(
-                        BuildLayout(logPanel, stats, startTime, "[yellow]Running...[/]"));
+                    ctx.UpdateTarget(BuildLayout(operationTitle, logPanel, stats, startTime, RunState.Running));
                     await Task.Delay(800, CancellationToken.None);
                 }
 
-                // Final render with result
-                var elapsed2 = DateTime.Now - startTime;
-                var statusMsg = cts.IsCancellationRequested
-                    ? "[red]Aborted[/]"
-                    : operationSuccess
-                        ? "[green]Completed successfully[/]"
-                        : "[red]Failed[/]";
-
+                var elapsed = DateTime.Now - startTime;
+                RunState finalState;
                 if (cts.IsCancellationRequested)
-                    logPanel.Add($"[WARN] Operation aborted after {FormatElapsed(elapsed2)}.");
+                {
+                    finalState = RunState.Aborted;
+                    logPanel.Add($"[WARN] Operation aborted after {FormatElapsed(elapsed)}.");
+                }
                 else if (operationSuccess)
-                    logPanel.Add($"[DONE] Operation completed in {FormatElapsed(elapsed2)}.");
+                {
+                    finalState = RunState.Success;
+                    logPanel.Add($"[DONE] Operation completed in {FormatElapsed(elapsed)}.");
+                }
                 else
-                    logPanel.Add($"[ERR ] Operation failed after {FormatElapsed(elapsed2)}.");
+                {
+                    finalState = RunState.Failed;
+                    logPanel.Add($"[ERR ] Operation failed after {FormatElapsed(elapsed)}.");
+                }
 
-                ctx.UpdateTarget(BuildLayout(logPanel, stats, startTime, statusMsg));
+                ctx.UpdateTarget(BuildLayout(operationTitle, logPanel, stats, startTime, finalState));
             });
 
-        // Clean up
         stats.Dispose();
-        await operationTask; // ensure it's fully done
+        await operationTask;
         operationDone = true;
         await keyTask;
 
-        // -----------------------------------------------------------------------
-        // Post-completion: countdown or hold
-        // -----------------------------------------------------------------------
-        await PostCompletionWaitAsync(logPanel, stats, startTime, operationSuccess, cts.IsCancellationRequested);
+        await PostCompletionWaitAsync(operationTitle, logPanel, stats, startTime,
+            cts.IsCancellationRequested ? RunState.Aborted :
+            operationSuccess            ? RunState.Success : RunState.Failed);
     }
 
     // -----------------------------------------------------------------------
-    // Post-completion hold screen
-    // -----------------------------------------------------------------------
+
+    private enum RunState { Running, Success, Failed, Aborted }
 
     private static async Task PostCompletionWaitAsync(
-        LogPanel logPanel,
-        SystemStats stats,
-        DateTime startTime,
-        bool success,
-        bool aborted)
+        string title, LogPanel logPanel, SystemStats stats, DateTime startTime, RunState state)
     {
-        var statusMsg = aborted ? "[red]Aborted[/]" :
-                        success  ? "[green]Completed[/]" : "[red]Failed[/]";
-
         var countdownCancelled = false;
         var returnNow = false;
+        var staying   = false;
+        var startCountdown = DateTime.Now;
 
-        // Start 10-second countdown in background
         var countdownTask = Task.Run(async () =>
         {
             for (int i = CountdownSeconds; i > 0 && !countdownCancelled; i--)
-            {
                 await Task.Delay(1000, CancellationToken.None);
-            }
-            if (!countdownCancelled)
-                returnNow = true;
+            if (!countdownCancelled) returnNow = true;
         }, CancellationToken.None);
 
-        await AnsiConsole.Live(BuildLayout(logPanel, stats, startTime, statusMsg))
+        await AnsiConsole.Live(BuildLayout(title, logPanel, stats, startTime, state))
             .AutoClear(false)
             .StartAsync(async ctx =>
             {
-                var secondsLeft = CountdownSeconds;
-                var staying = false;
-
                 while (!returnNow)
                 {
                     if (Console.KeyAvailable)
                     {
                         var key = Console.ReadKey(intercept: true);
                         countdownCancelled = true;
-                        staying = true;
 
                         if (key.Key is ConsoleKey.Enter or ConsoleKey.Escape)
                         {
@@ -193,27 +162,26 @@ public static class TaskRunnerScreen
                             break;
                         }
 
-                        // Any other key: cancel countdown, show "hold" message
-                        logPanel.Add("[INFO] Countdown cancelled. Press [Enter] or [Esc] to return to menu.");
+                        if (!staying)
+                        {
+                            staying = true;
+                            logPanel.Add("[INFO] Countdown cancelled. Press Enter or Esc to return to menu.");
+                        }
                     }
 
-                    // Update footer countdown
-                    var elapsed = DateTime.Now - startTime;
-                    string footer;
+                    string footerText;
                     if (!staying)
                     {
-                        secondsLeft = CountdownSeconds -
-                            (int)(DateTime.Now - startTime).TotalSeconds; // approximate
-                        // recompute properly
-                        footer = $"[dim]Returning to menu in {Math.Max(0, secondsLeft)}s... " +
-                                 "[any key to stay][/]";
+                        var secsLeft = Math.Max(0, CountdownSeconds -
+                            (int)(DateTime.Now - startCountdown).TotalSeconds);
+                        footerText = $"Returning to menu in {secsLeft}s... (any key to stay)";
                     }
                     else
                     {
-                        footer = "[dim]Press [Enter] or [Esc] to return to menu.[/]";
+                        footerText = "Press Enter or Esc to return to menu.";
                     }
 
-                    ctx.UpdateTarget(BuildLayoutWithFooter(logPanel, stats, startTime, statusMsg, footer));
+                    ctx.UpdateTarget(BuildLayout(title, logPanel, stats, startTime, state, footerText));
                     await Task.Delay(200, CancellationToken.None);
                 }
             });
@@ -222,74 +190,78 @@ public static class TaskRunnerScreen
     }
 
     // -----------------------------------------------------------------------
-    // Layout builders
+    // Layout
     // -----------------------------------------------------------------------
 
     private static IRenderable BuildLayout(
+        string title,
         LogPanel logPanel,
         SystemStats stats,
         DateTime startTime,
-        string statusMsg)
-    {
-        return BuildLayoutWithFooter(logPanel, stats, startTime, statusMsg, footer: null);
-    }
-
-    private static IRenderable BuildLayoutWithFooter(
-        LogPanel logPanel,
-        SystemStats stats,
-        DateTime startTime,
-        string statusMsg,
-        string? footer)
+        RunState state,
+        string? footerText = null)
     {
         var elapsed = DateTime.Now - startTime;
-        var snap = stats.CurrentSnapshot;
+        var snap    = stats.CurrentSnapshot;
 
-        // Stats panel (left) — fixed width ~36 chars
-        var statsPanelWidth = 36;
+        const int statsPanelWidth = 40;
         var statsRenderable = StatsPanel.Build(snap, elapsed, statsPanelWidth - 4);
+        var logRenderable   = logPanel.Build();
 
-        // Log panel (right) — fills remaining space
-        var logRenderable = logPanel.Build();
-
-        var layout = new Layout("root")
-            .SplitColumns(
-                new Layout("stats").Size(statsPanelWidth),
-                new Layout("log"));
-
+        var layout = new Layout("root").SplitColumns(
+            new Layout("stats").Size(statsPanelWidth),
+            new Layout("log"));
         layout["stats"].Update(statsRenderable);
         layout["log"].Update(logRenderable);
 
-        // Wrap in a grid so we can add a footer row
         var outerGrid = new Grid();
         outerGrid.AddColumn(new GridColumn());
 
-        // Title row
-        outerGrid.AddRow(new Markup(
-            $"[bold dodgerblue1]  Running:[/] [yellow]{Markup.Escape(ExtractTitle(statusMsg))}[/]  " +
-            $"Status: {statusMsg}"));
-
+        // Title row — state label uses Text objects, not markup interpolation
+        var titleGrid = new Grid();
+        titleGrid.AddColumn(new GridColumn().NoWrap());
+        titleGrid.AddColumn(new GridColumn().NoWrap());
+        titleGrid.AddColumn(new GridColumn().NoWrap());
+        titleGrid.AddColumn(new GridColumn().NoWrap());
+        titleGrid.AddRow(
+            new Markup("[bold dodgerblue1]  Operation:[/]"),
+            new Text(" " + title, new Style(Color.Yellow)),
+            new Markup("  [bold dodgerblue1]Status:[/]"),
+            StateLabel(state)
+        );
+        outerGrid.AddRow(titleGrid);
         outerGrid.AddRow(layout);
 
-        if (footer is not null)
-            outerGrid.AddRow(new Markup($"\n  {footer}  [dim][[Q]] Abort[/]"));
-        else
-            outerGrid.AddRow(new Markup("\n  [dim][[Q]] Press once to warn, twice to abort[/]"));
+        // Footer row — plain Text, no markup parsing of dynamic content
+        var footerGrid = new Grid();
+        footerGrid.AddColumn(new GridColumn().NoWrap());
+        footerGrid.AddColumn(new GridColumn().NoWrap());
+
+        var footerLeft = footerText is not null
+            ? new Text("  " + footerText, new Style(Color.Grey, decoration: Decoration.Dim))
+            : (IRenderable)new Text("  Press Q to abort (twice within 3s)", new Style(Color.Grey, decoration: Decoration.Dim));
+
+        var footerRight = new Text("  [Q] abort", new Style(Color.Grey, decoration: Decoration.Dim));
+
+        footerGrid.AddRow(footerLeft, footerRight);
+        outerGrid.AddRow(footerGrid);
 
         return outerGrid;
     }
 
-    private static string ExtractTitle(string statusMsg)
+    private static IRenderable StateLabel(RunState state) => state switch
     {
-        // statusMsg is markup like "[yellow]Running...[/]" — we just return a static title
-        return "HANA Operation";
-    }
+        RunState.Running => new Markup(" [yellow]Running...[/]"),
+        RunState.Success => new Markup(" [green]Completed[/]"),
+        RunState.Failed  => new Markup(" [red]Failed[/]"),
+        RunState.Aborted => new Markup(" [red]Aborted[/]"),
+        _                => new Text(""),
+    };
 
     private static string FormatElapsed(TimeSpan t)
     {
-        if (t.TotalHours >= 1)
-            return $"{(int)t.TotalHours}h {t.Minutes:D2}m {t.Seconds:D2}s";
-        if (t.TotalMinutes >= 1)
-            return $"{t.Minutes}m {t.Seconds:D2}s";
+        if (t.TotalHours >= 1)  return $"{(int)t.TotalHours}h {t.Minutes:D2}m {t.Seconds:D2}s";
+        if (t.TotalMinutes >= 1) return $"{t.Minutes}m {t.Seconds:D2}s";
         return $"{t.Seconds}s";
     }
 }