From b9ccb0dfb6a38ab6ef306c49d440377d308978fd Mon Sep 17 00:00:00 2001
From: elpatron <m.busche@gmail.com>
Date: Sat, 30 May 2026 14:09:54 +0200
Subject: [PATCH] =?UTF-8?q?fix(client):=20Read-only-UI=20nur=20bei=20best?=
 =?UTF-8?q?=C3=A4tigter=20READ-Rolle?=
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Während des Ladens geteilter Logbücher wird Schreibzugriff nicht mehr
fälschlich gesperrt; der Zugriffs-Effect setzt bei fehlendem Record kein OWNER mehr.

Co-authored-by: Cursor <cursoragent@cursor.com>
---
 client/src/App.tsx | 14 +++++++-------
 1 file changed, 7 insertions(+), 7 deletions(-)

diff --git a/client/src/App.tsx b/client/src/App.tsx
index 9f8c3a6..58e2a02 100644
--- a/client/src/App.tsx
+++ b/client/src/App.tsx
@@ -85,13 +85,17 @@ function App() {
       return
     }
 
-    if (activeLogbookRecord?.isShared !== 1) {
+    if (!activeLogbookRecord) {
+      setActiveAccessRole(null)
+      return
+    }
+
+    if (activeLogbookRecord.isShared !== 1) {
       setActiveAccessRole('OWNER')
       return
     }
 
     const cachedRole = activeLogbookRecord.collaborationRole
-    // Fail-closed for write UI until role is known: do not assume WRITE
     setActiveAccessRole(
       cachedRole ? parseCollaborationRole(cachedRole, `logbook ${activeLogbookId}`) : null
     )
@@ -418,12 +422,8 @@ function App() {
 
   const pwaInstallBanner = <PwaInstallPrompt variant="banner" />
 
-  const sharedLogbook =
-    activeLogbookRecord === undefined ? null : activeLogbookRecord.isShared === 1
   const logbookReadOnly =
-    activeLogbookId != null &&
-    (sharedLogbook === null || sharedLogbook) &&
-    activeAccessRole !== 'WRITE'
+    activeLogbookRecord?.isShared === 1 && activeAccessRole === 'READ'
 
   if (!activeLogbookId) {
     return (