fix(sync): use ViewState extraction for Untersuchungen pagination instead of form submit

sync/src/scraper.ts

@@ -979,15 +979,23 @@ async function scrapeMemberUntersuchungen(
     return [];
   }
 
-  // Show all rows: select "ALLE", then explicitly submit the form so ASP.NET
-  // processes the request with its server-generated ViewState.
-  await selectAlleAnzeige(frame);
-  const submitBtn = frame.locator('input[type="image"][src*="suchen"]');
-  if (await submitBtn.count() > 0) {
-    await Promise.all([
-      frame.waitForNavigation({ waitUntil: 'networkidle', timeout: 15000 }).catch(() => {}),
-      submitBtn.click(),
-    ]);
+  // ASP.NET needs ViewState to properly process anzeige_count.
+  // Extract it from the loaded page and re-navigate with all params + ALLE.
+  const formState = await frame.evaluate(() => {
+    const vs = (document.getElementById('__VIEWSTATE') as HTMLInputElement)?.value ?? '';
+    const vsg = (document.getElementById('__VIEWSTATEGENERATOR') as HTMLInputElement)?.value ?? '';
+    return { vs, vsg };
+  }).catch(() => ({ vs: '', vsg: '' }));
+
+  if (formState.vs) {
+    const alleUrl = `${BASE_URL}/fdisk/module/mgvw/untersuchungen/UntersuchungenList.aspx`
+      + `?__VIEWSTATE=${encodeURIComponent(formState.vs)}`
+      + `&__VIEWSTATEGENERATOR=${encodeURIComponent(formState.vsg)}`
+      + `&searchdatum=&searchanmerkungen=&searchid_untersuchungsarten=`
+      + `&searchid_personen=${idPersonen}&searchid_mitgliedschaften=${idMitgliedschaft}`
+      + `&id_personen=${idPersonen}&id_mitgliedschaften=${idMitgliedschaft}`
+      + `&anzeige_count=ALLE&offset=0&ordnung=2&orderType=ASC&search=1`;
+    await frame_goto(frame, alleUrl);
   }
 
   // Try to navigate to history/detail view if available