From cf038ad3beb8698561ca3b5065047d0e0845625d Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Reinhard=20X=2E=20F=C3=BCrst?= <rexfue@gmail.com>
Date: Thu, 14 May 2026 20:47:44 +0200
Subject: [PATCH] fix: Temperatureingabe negativ, Monatsauswahl auf aktuellem
 Monat begrenzt
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- LogbuchForm: Temperatur als String-State (tempRaw) – Minus-Vorzeichen tippbar
- LogbuchList: input[type=month] mit max=currentMonth(), kein Zukunftsmonat wählbar
- .gitignore: DB_BACKUP/ ergänzt

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
---
 .gitignore                 |  1 +
 components/LogbuchForm.tsx | 20 ++++++++++----------
 components/LogbuchList.tsx |  3 ++-
 3 files changed, 13 insertions(+), 11 deletions(-)

diff --git a/.gitignore b/.gitignore
index 2f133f1..0296c91 100644
--- a/.gitignore
+++ b/.gitignore
@@ -40,3 +40,4 @@ yarn-error.log*
 *.tsbuildinfo
 next-env.d.ts
 backup.git/
+DB_BACKUP/
diff --git a/components/LogbuchForm.tsx b/components/LogbuchForm.tsx
index 52c12f6..307a51b 100644
--- a/components/LogbuchForm.tsx
+++ b/components/LogbuchForm.tsx
@@ -39,6 +39,7 @@ export default function LogbuchForm({ kuppel, currentUserBeo, editEntry, onSaved
   const [bemerkungen, setBemerkungen] = useState('');
   const [sonderName, setSonderName] = useState('');
   const [wetter, setWetter] = useState<Wetter>({ temp: 0, feuchte: 0, druck: 0 });
+  const [tempRaw, setTempRaw] = useState('0');
   const [saving, setSaving] = useState(false);
   const [error, setError] = useState('');
   const [success, setSuccess] = useState(false);
@@ -68,6 +69,7 @@ export default function LogbuchForm({ kuppel, currentUserBeo, editEntry, onSaved
       .then((w: Wetter) => {
         if (!editEntryRef.current) {
           setWetter({ temp: w.temp, feuchte: Math.round(w.feuchte), druck: Math.round(w.druck) });
+          setTempRaw(String(w.temp));
         }
       })
       .catch(() => {});
@@ -82,11 +84,9 @@ export default function LogbuchForm({ kuppel, currentUserBeo, editEntry, onSaved
       setBemerkungen(editEntry.Bemerkungen ?? '');
       setSonderName(editEntry.SonderName ?? '');
       if (editEntry.WetterTemp !== null) {
-        setWetter({
-          temp: editEntry.WetterTemp ?? 0,
-          feuchte: Math.round(editEntry.WetterFeuchte ?? 0),
-          druck: Math.round(editEntry.WetterDruck ?? 0),
-        });
+        const t = editEntry.WetterTemp ?? 0;
+        setWetter({ temp: t, feuchte: Math.round(editEntry.WetterFeuchte ?? 0), druck: Math.round(editEntry.WetterDruck ?? 0) });
+        setTempRaw(String(t));
       }
     } else {
       setArtFuehrung('RF');
@@ -161,7 +161,7 @@ export default function LogbuchForm({ kuppel, currentUserBeo, editEntry, onSaved
       beoIds: beos.map((b) => b.ID),
       objekte: showObjekte ? objekte : [],
       Bemerkungen: bemerkungen,
-      Wetter: wetter,
+      Wetter: { ...wetter, temp: parseFloat(tempRaw) || 0 },
     };
 
     const url = editEntry ? `/api/logbuch/${editEntry.ID}` : '/api/logbuch';
@@ -328,10 +328,10 @@ export default function LogbuchForm({ kuppel, currentUserBeo, editEntry, onSaved
           <div>
             <label className="block text-xs text-gray-500 mb-0.5">Temperatur (°C)</label>
             <input
-              type="number"
-              value={wetter.temp}
-              onChange={(e) => setWetter({ ...wetter, temp: parseFloat(e.target.value) || 0 })}
-              step="0.1"
+              type="text"
+              inputMode="decimal"
+              value={tempRaw}
+              onChange={(e) => setTempRaw(e.target.value)}
               className="w-1/3 px-2 py-1 border-2 border-gray-400 rounded-lg bg-white text-sm text-gray-900 focus:border-blue-500 focus:outline-none"
             />
           </div>
diff --git a/components/LogbuchList.tsx b/components/LogbuchList.tsx
index 2787c5c..79aebfb 100644
--- a/components/LogbuchList.tsx
+++ b/components/LogbuchList.tsx
@@ -117,7 +117,8 @@ export default function LogbuchList({ kuppel, refreshKey, onEdit, limit = 10, co
       <input
         type="month"
         value={month}
-        onChange={(e) => setMonth(e.target.value)}
+        max={currentMonth()}
+        onChange={(e) => setMonth(e.target.value > currentMonth() ? currentMonth() : e.target.value)}
         className="border border-gray-300 rounded-lg px-2 py-1 text-sm"
       />
       <button