From 0f04231cee044d13fa858fdde5cfe67dfe2e9702 Mon Sep 17 00:00:00 2001
From: Hermes Agent <hermes@v2202605360184461552.supersrv.de>
Date: Wed, 17 Jun 2026 23:42:37 +0200
Subject: [PATCH] filterleiste: zustand (offen/zu) persistent via localStorage

---
 app.py | 14 +++++++++++++-
 1 file changed, 13 insertions(+), 1 deletion(-)

diff --git a/app.py b/app.py
index d3b1d2d..298bf3c 100644
--- a/app.py
+++ b/app.py
@@ -2105,10 +2105,22 @@ def public_frontend():
   var btn = document.getElementById('filterToggle');
   var bar = document.getElementById('filterBar');
   if (btn && bar) {
+    var openSVG = '<svg width="16" height="16" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2.5" stroke-linecap="round" style="vertical-align:middle;"><polyline points="18 15 12 9 6 15"/></svg>';
+    var closedSVG = '<svg width="16" height="16" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2.5" stroke-linecap="round" style="vertical-align:middle;"><polyline points="6 9 12 15 18 9"/></svg>';
+
+    // Restore saved state
+    var saved = localStorage.getItem('filterOpen');
+    if (saved === 'true') {
+      bar.classList.remove('filter-collapsed');
+      btn.innerHTML = openSVG;
+      btn.classList.add('active');
+    }
+
     btn.addEventListener('click', function() {
       var hidden = bar.classList.toggle('filter-collapsed');
-      btn.innerHTML = hidden ? '<svg width="16" height="16" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2.5" stroke-linecap="round" style="vertical-align:middle;"><polyline points="6 9 12 15 18 9"/></svg>' : '<svg width="16" height="16" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2.5" stroke-linecap="round" style="vertical-align:middle;"><polyline points="18 15 12 9 6 15"/></svg>';
+      btn.innerHTML = hidden ? closedSVG : openSVG;
       btn.classList.toggle('active', !hidden);
+      localStorage.setItem('filterOpen', hidden ? 'false' : 'true');
     });
   }
 })();