Add tooltip for truncated folder names in File Manager

Long folder names are truncated to prevent layout issues. Added title
attribute so users can hover to see the full folder name.

Fixes #160

frontend/src/pages/FileManagerPage.tsx

@@ -704,7 +704,7 @@ function FolderTreeItem({ folder, selectedFolderId, onSelect, onDelete, onLink,
   return (
     <div>
       <div
-        className={`group flex items-start gap-1 px-2 py-1.5 rounded cursor-pointer transition-colors ${
+        className={`group flex items-center gap-1 px-2 py-1.5 rounded cursor-pointer transition-colors ${
           selectedFolderId === folder.id
             ? 'bg-bambu-green/20 text-bambu-green'
             : 'hover:bg-bambu-dark text-white'
@@ -718,15 +718,15 @@ function FolderTreeItem({ folder, selectedFolderId, onSelect, onDelete, onLink,
               e.stopPropagation();
               setExpanded(!expanded);
             }}
-            className="p-0.5 hover:bg-bambu-dark-tertiary rounded flex-shrink-0"
+            className="p-0.5 hover:bg-bambu-dark-tertiary rounded"
           >
             <ChevronRight className={`w-3.5 h-3.5 transition-transform ${expanded ? 'rotate-90' : ''}`} />
           </button>
         ) : (
-          <div className="w-4.5 flex-shrink-0" />
+          <div className="w-4.5" />
         )}
         <FolderOpen className="w-4 h-4 text-bambu-green flex-shrink-0" />
-        <span className="text-sm flex-1 break-words" title={folder.name}>{folder.name}</span>
+        <span className="text-sm truncate flex-1" title={folder.name}>{folder.name}</span>
         {/* Link indicator - clickable to change link */}
         {isLinked && (
           <button

static/index.html

@@ -23,8 +23,8 @@
 
     <!-- Splash screens for iOS -->
     <link rel="apple-touch-startup-image" href="/img/android-chrome-512x512.png" />
-    <script type="module" crossorigin src="/assets/index-CMTqTaab.js"></script>
-    <link rel="stylesheet" crossorigin href="/assets/index-DP3rxcEu.css">
+    <script type="module" crossorigin src="/assets/index-qV1ROCuN.js"></script>
+    <link rel="stylesheet" crossorigin href="/assets/index-BQIOMqJ9.css">
   </head>
   <body>
     <div id="root"></div>