fixed creation of first user upon database initalization

frontend/src/App.svelte

@@ -40,9 +40,7 @@
             <Route path="/user/:user_id/edit"          component={UserEdit} />
             <Route path="/user/oidc/add"               component={EditService} />
             <Route path="/user/oidc/edit/:serviceName" component={EditService} />
-            <Route>
+            <Route component={User} />
-                <p>Page not found</p>
-            </Route>
     {:else}
         <Login />
         <Route path="/oidc_callback" component={Callback} />

messages/src/main/java/de/srsoftware/umbrella/message/MessageApi.java

@@ -1,3 +1,4 @@
+/* © SRSoftware 2025 */
 package de.srsoftware.umbrella.message;
 
 import de.srsoftware.umbrella.core.BaseHandler;

messages/src/main/java/de/srsoftware/umbrella/message/MessageSystem.java

@@ -1,3 +1,4 @@
+/* © SRSoftware 2025 */
 package de.srsoftware.umbrella.message;
 
 public class MessageSystem {

messages/src/main/java/de/srsoftware/umbrella/message/SqliteMessageDb.java

@@ -1,16 +1,6 @@
 /* © SRSoftware 2025 */
 package de.srsoftware.umbrella.message;
 
-import de.srsoftware.umbrella.core.UmbrellaException;
-import de.srsoftware.umbrella.user.model.UmbrellaUser;
-import de.srsoftware.umbrella.message.model.Settings;
-
-import java.sql.Connection;
-import java.sql.ResultSet;
-import java.sql.SQLException;
-import java.util.HashSet;
-import java.util.stream.Collectors;
-
 import static de.srsoftware.tools.jdbc.Condition.equal;
 import static de.srsoftware.tools.jdbc.Query.*;
 import static de.srsoftware.umbrella.core.Constants.*;
@@ -19,6 +9,15 @@ import static java.lang.System.Logger.Level.ERROR;
 import static java.lang.System.Logger.Level.WARNING;
 import static java.text.MessageFormat.format;
 
+import de.srsoftware.umbrella.core.UmbrellaException;
+import de.srsoftware.umbrella.message.model.Settings;
+import de.srsoftware.umbrella.user.model.UmbrellaUser;
+import java.sql.Connection;
+import java.sql.ResultSet;
+import java.sql.SQLException;
+import java.util.HashSet;
+import java.util.stream.Collectors;
+
 public class SqliteMessageDb implements MessageDb{
 	private static final System.Logger LOG = System.getLogger(SqliteMessageDb.class.getSimpleName());
 	private final Connection db;

user/src/main/java/de/srsoftware/umbrella/user/sqlite/SqliteDB.java

@@ -20,7 +20,6 @@ import de.srsoftware.umbrella.user.api.UserDb;
 import de.srsoftware.umbrella.user.model.*;
 import de.srsoftware.umbrella.user.model.Session;
 import de.srsoftware.umbrella.user.model.UmbrellaUser;
-
 import java.security.NoSuchAlgorithmException;
 import java.sql.Connection;
 import java.sql.ResultSet;
@@ -159,8 +158,17 @@ CREATE TABLE IF NOT EXISTS {0} (
 			throw new RuntimeException(e);
 		}
 
+		long count = 0L;
+		try {
+			ResultSet rs = select("COUNT(*)").from(TABLE_USERS).exec(db);
+			if (rs.next()) count = rs.getLong(1);
+			rs.close();
+		} catch (SQLException ignored) {
+			// go on with table creation
+		}
+
 		try {
-			Query.insertInto(TABLE_USERS,LOGIN,PASS,THEME,SETTINGS).values("admin", hasher.hash("admin",null),"default",null).execute(db);
+			if (count<1) insertInto(TABLE_USERS,LOGIN,PASS,THEME,SETTINGS).values("admin", hasher.hash("admin",null),"default",null).execute(db);
 		} catch (SQLException e) {
 			LOG.log(ERROR,"Failed to create first user…");
 			throw new RuntimeException(e);

web/src/main/java/de/srsoftware/umbrella/web/WebHandler.java

@@ -1,19 +1,15 @@
 /* © SRSoftware 2025 */
 package de.srsoftware.umbrella.web;
 
-import static de.srsoftware.tools.Optionals.nullable;
 import static java.lang.System.Logger.Level.DEBUG;
 import static java.lang.System.Logger.Level.WARNING;
 import static java.net.HttpURLConnection.HTTP_NOT_FOUND;
 
 import com.sun.net.httpserver.HttpExchange;
 import de.srsoftware.tools.Path;
-import de.srsoftware.tools.PathHandler;
 import de.srsoftware.umbrella.core.BaseHandler;
-
 import java.io.ByteArrayOutputStream;
 import java.io.IOException;
-import java.util.List;
 
 public class WebHandler extends BaseHandler {