Improve certificate path probing with demo UNC target and remove Sonic container scan.

Co-authored-by: Cursor <cursoragent@cursor.com>

ZA.CoreService.ESBCertificateManager/Database/03_Seed.sql

@@ -268,12 +268,35 @@ BEGIN
         1;
 END;
 
+/* Demo-Pfad für Zertifikat-Austausch (UNC server.p12) – immer sicherstellen */
+DECLARE @DemoDirectory [nvarchar](500) =
+    N'\\dekun-painwbdet\e$\proalpha-inwb\test\Containers\proalpha-test.ct-ZADBService\certs';
+DECLARE @DemoFileName [nvarchar](260) = N'server.p12';
+
+UPDATE [dbo].[CertificateTarget]
+SET
+    [TargetDirectory] = @DemoDirectory,
+    [TargetFileName] = @DemoFileName,
+    [BackupEnabled] = 1,
+    [BackupDirectoryName] = N'Backup',
+    [IsActive] = 1,
+    [ModifiedDateTime] = SYSUTCDATETIME(),
+    [ModifiedBy] = SUSER_SNAME()
+WHERE [SonicContainerId] = @SonicContainerId
+  AND
+  (
+      [TargetFileName] IN (N'server.crt', N'server.p12')
+      OR [TargetDirectory] LIKE N'C:\ESB\Certificates%'
+  );
+
 IF NOT EXISTS
 (
     SELECT 1
     FROM [dbo].[CertificateTarget] AS target
     WHERE target.[SonicContainerId] = @SonicContainerId
-      AND target.[TargetFileName] = N'server.crt'
+      AND target.[TargetDirectory] = @DemoDirectory
+      AND target.[TargetFileName] = @DemoFileName
+      AND target.[IsActive] = 1
 )
 BEGIN
     INSERT INTO [dbo].[CertificateTarget]
@@ -290,8 +313,8 @@ BEGIN
     VALUES
     (
         @SonicContainerId,
-        N'C:\ESB\Certificates',
-        N'server.crt',
+        @DemoDirectory,
+        @DemoFileName,
         1,
         N'Backup',
         1,