Add Supa account and search changes

apps/weblibre/lib/features/bangs/data/database/database.drift.dart

@@ -159,6 +159,11 @@ extension DefineFunctions on i6.CommonDatabase {
     required String Function(int, String?) lexoRankPrevious,
     required String Function(String?, String?) lexoRankReorderAfter,
     required String Function(String?, String?) lexoRankReorderBefore,
+    required int Function() generateContentHash,
+    required bool Function(String?) urlIndexable,
+    required String Function(String?) urlCanonical,
+    required String Function(String?) urlHost,
+    required String Function(String?) urlPath,
   }) {
     createFunction(
       functionName: 'lexo_rank_next',
@@ -196,5 +201,44 @@ extension DefineFunctions on i6.CommonDatabase {
         return lexoRankReorderBefore(arg0, arg1);
       },
     );
+    createFunction(
+      functionName: 'generate_content_hash',
+      argumentCount: const i6.AllowedArgumentCount(0),
+      function: (args) {
+        return generateContentHash();
+      },
+    );
+    createFunction(
+      functionName: 'url_indexable',
+      argumentCount: const i6.AllowedArgumentCount(1),
+      function: (args) {
+        final arg0 = args[0] as String?;
+        return urlIndexable(arg0);
+      },
+    );
+    createFunction(
+      functionName: 'url_canonical',
+      argumentCount: const i6.AllowedArgumentCount(1),
+      function: (args) {
+        final arg0 = args[0] as String?;
+        return urlCanonical(arg0);
+      },
+    );
+    createFunction(
+      functionName: 'url_host',
+      argumentCount: const i6.AllowedArgumentCount(1),
+      function: (args) {
+        final arg0 = args[0] as String?;
+        return urlHost(arg0);
+      },
+    );
+    createFunction(
+      functionName: 'url_path',
+      argumentCount: const i6.AllowedArgumentCount(1),
+      function: (args) {
+        final arg0 = args[0] as String?;
+        return urlPath(arg0);
+      },
+    );
   }
 }

apps/weblibre/lib/features/bangs/data/models/bang_group.dart

@@ -28,7 +28,8 @@ enum BangGroup {
         'https://raw.githubusercontent.com/FaFre/bangs/main/data/kagi_bangs.json',
     bundled: 'assets/bangs/kagi_bangs.json',
   ),
-  user(remote: null, bundled: null);
+  user(remote: null, bundled: null),
+  weblibre(remote: null, bundled: null);
 
   final String? bundled;
   final String? remote;

apps/weblibre/lib/features/bangs/data/models/web_search_bang.dart

@@ -0,0 +1,24 @@
+import 'package:weblibre/features/bangs/data/models/bang_data.dart';
+import 'package:weblibre/features/bangs/data/models/bang_group.dart';
+import 'package:weblibre/features/bangs/data/models/bang_key.dart';
+
+const webSearchBangTrigger = 'wl';
+
+final webSearchBang = BangData(
+  websiteName: 'WebLibre Search',
+  domain: 'weblibre.eu',
+  trigger: webSearchBangTrigger,
+  // Placeholder template — selecting this bang routes the query through the
+  // token-based search backend instead of opening this URL.
+  urlTemplate: 'https://weblibre.eu/?q={{{s}}}',
+  group: BangGroup.weblibre,
+  searxngApi: false,
+);
+
+final webSearchBangKey = BangKey(
+  group: BangGroup.weblibre,
+  trigger: webSearchBangTrigger,
+);
+
+bool isWebSearchBang(BangData? bang) =>
+    bang != null && bang.group == BangGroup.weblibre;