first commit

Commands/KeyManagerCommand.cs

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+using HanaToolbox.Cli;
+using HanaToolbox.Config;
+using HanaToolbox.Logging;
+using HanaToolbox.Services;
+using HanaToolbox.Tui;
+
+namespace HanaToolbox.Commands;
+
+public static class KeyManagerCommand
+{
+    public static async Task<int> RunAsync(CliArgs cli)
+    {
+        var log = new AppLogger(cli.Verbose);
+        try
+        {
+            var config   = ConfigService.Load();
+            var sid      = string.IsNullOrWhiteSpace(cli.Sid) ? config.Hana.Sid : cli.Sid;
+            var runner   = ServiceFactory.CreateRunner(log);
+            var switcher = new SuUserSwitcher(runner);
+            var locator  = new HdbClientLocator(runner);
+            var keySvc   = new KeyManagerService(switcher, locator, log);
+            var tui      = new KeyManagerTui(keySvc, locator, log);
+            await tui.RunAsync(config.Hana, sid);
+            return 0;
+        }
+        catch (Exception ex) { log.Error(ex.Message); return 1; }
+    }
+}