fix: resolve Next.js warnings and SVG path errors

- Move viewport metadata to separate export in layout.tsx (Next.js 14+ compliance)
- Fix malformed SVG arc command in CategorySidebar.tsx key icon
- Add allowedDevOrigins configuration for cross-origin requests from local networks
- Support all private network ranges without hardcoding specific IPs

Author: michelroegl-brunner

next.config.js

@@ -18,6 +18,30 @@ const config = {
       },
     ],
   },
+  // Allow cross-origin requests from local network ranges
+  allowedDevOrigins: [
+    'http://localhost:3000',
+    'http://127.0.0.1:3000',
+    'http://[::1]:3000',    
+    'http://10.*',
+    'http://172.16.*',
+    'http://172.17.*',
+    'http://172.18.*',
+    'http://172.19.*',
+    'http://172.20.*',
+    'http://172.21.*',
+    'http://172.22.*',
+    'http://172.23.*',
+    'http://172.24.*',
+    'http://172.25.*',
+    'http://172.26.*',
+    'http://172.27.*',
+    'http://172.28.*',
+    'http://172.29.*',
+    'http://172.30.*',
+    'http://172.31.*',
+    'http://192.168.*',
+  ],
 };
 
 export default config;

src/app/_components/CategorySidebar.tsx

@@ -40,7 +40,7 @@ const CategoryIcon = ({ iconName, className = "w-5 h-5" }: { iconName: string; c
     ),
     key: (
       <svg className={className} fill="none" stroke="currentColor" viewBox="0 0 24 24">
-        <path strokeLinecap="round" strokeLinejoin="round" strokeWidth={2} d="M15 7a2 2 0 012 2m4 0a6 6 0 01-7.743 5.743L11 17H9v2H7v2H4a1 1 0 01-1-1v-2.586a1 1 0 01.293-.707l5.964-5.964A6 6 0 1721 9z" />
+        <path strokeLinecap="round" strokeLinejoin="round" strokeWidth={2} d="M15 7a2 2 0 012 2m4 0a6 6 0 01-7.743 5.743L11 17H9v2H7v2H4a1 1 0 01-1-1v-2.586a1 1 0 01.293-.707l5.964-5.964A6 6 0 1 0 21 9z" />
       </svg>
     ),
     archive: (