Adapt to existing beos table in database sternwarte

Column mapping: id, name/vorname, kürzel (with umlaut), pw instead of
the planned schema. DB_NAME changed to sternwarte. create_table.sql
no longer creates beos, only the three new logbuch tables.

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

app/api/beos/route.ts

@@ -3,7 +3,9 @@ import { query } from '@/lib/db';
 
 export async function GET() {
   try {
-    const rows = await query('SELECT ID, Kuerzel, Name FROM beos ORDER BY Name ASC');
+    const rows = await query(
+      'SELECT id AS ID, `kürzel` AS Kuerzel, CONCAT(IFNULL(vorname, \'\'), IF(vorname IS NOT NULL, \' \', \'\'), name) AS Name FROM beos WHERE `kürzel` IS NOT NULL ORDER BY name ASC'
+    ) as { ID: number; Kuerzel: string; Name: string }[];
     return NextResponse.json(rows);
   } catch (error) {
     console.error('GET /api/beos:', error);

app/change-password/actions.ts

@@ -25,7 +25,7 @@ export async function changePassword(
 
   const hashed = await hashPassword(newPassword);
   await query(
-    'UPDATE beos SET Passwort = ?, MustChangePassword = 0 WHERE ID = ?',
+    'UPDATE beos SET pw = ?, MustChangePassword = 0 WHERE id = ?',
     [hashed, session.beoId]
   );
 

app/login/actions.ts

@@ -1,7 +1,7 @@
 'use server';
 
 import { redirect } from 'next/navigation';
-import { verifyCredentials } from '@/lib/auth';
+import { verifyCredentials, getBeoDisplayName } from '@/lib/auth';
 import { createSession } from '@/lib/session';
 
 export async function login(
@@ -22,14 +22,14 @@ export async function login(
   }
 
   await createSession({
-    kuerzel: result.beo.Kuerzel,
-    beoId: result.beo.ID,
-    beoName: result.beo.Name,
+    kuerzel: result.beo.kürzel ?? kuerzel,
+    beoId: result.beo.id,
+    beoName: getBeoDisplayName(result.beo),
     mustChangePassword: result.beo.MustChangePassword === 1,
     isAuthenticated: true,
   });
 
-  if (result.beo.MustChangePassword === 1) {
+  if (result.beo.MustChangePassword === 1 || !result.beo.pw) {
     redirect('/change-password');
   }