ai chat: make it work with online models

.config/quickshell/modules/common/Appearance.qml

@@ -228,7 +228,7 @@ Singleton {
         property int barCenterSideModuleWidth: 360
         property int barPreferredSideSectionWidth: 400
         property int sidebarWidth: 450
-        property int sidebarWidthExtended: 700
+        property int sidebarWidthExtended: 750
         property int notificationPopupWidth: 410
         property int searchWidthCollapsed: 260
         property int searchWidth: 450

.config/quickshell/modules/common/functions/string_utils.js

@@ -8,3 +8,10 @@ function getDomain(url) {
   const match = url.match(/^(?:https?:\/\/)?(?:www\.)?([^\/]+)/);
   return match ? match[1] : null;
 }
+
+function shellSingleQuoteEscape(str) {
+  // First escape backslashes, then escape single quotes
+  return String(str)
+    .replace(/\\/g, '\\\\')
+    .replace(/'/g, "'\\''");
+}