fix(editor): polish project picker and scene description UX

Validate unique campaign names, add search, flip menus at scroll end, drop TipTap links, and scroll long description previews.

Co-authored-by: Cursor <cursoragent@cursor.com>

app/renderer/editor/SceneDescriptionModal.tsx

@@ -61,14 +61,7 @@ export function SceneDescriptionModal({ initialHtml, onClose, onSave }: SceneDes
       StarterKit.configure({
         heading: { levels: [2, 3] },
         codeBlock: false,
-        link: {
-          openOnClick: false,
-          autolink: true,
-          HTMLAttributes: {
-            rel: 'noopener noreferrer',
-            target: '_blank',
-          },
-        },
+        link: false,
       }),
       Placeholder.configure({
         placeholder: t('scene.descriptionPlaceholder'),
@@ -109,7 +102,6 @@ export function SceneDescriptionModal({ initialHtml, onClose, onSave }: SceneDes
       h2: ed.isActive('heading', { level: 2 }),
       h3: ed.isActive('heading', { level: 3 }),
       blockquote: ed.isActive('blockquote'),
-      canLink: ed.isEditable,
     }),
   });
 
@@ -117,18 +109,6 @@ export function SceneDescriptionModal({ initialHtml, onClose, onSave }: SceneDes
     onSave(normalizeSceneDescriptionHtml(editor.getHTML()));
   };
 
-  const setLink = () => {
-    const prev = editor.getAttributes('link').href as string | undefined;
-    const next = window.prompt(t('scene.descriptionLinkPrompt'), prev ?? 'https://');
-    if (next === null) return;
-    const trimmed = next.trim();
-    if (trimmed === '') {
-      editor.chain().focus().extendMarkRange('link').unsetLink().run();
-      return;
-    }
-    editor.chain().focus().extendMarkRange('link').setLink({ href: trimmed }).run();
-  };
-
   return createPortal(
     <>
       <button
@@ -215,13 +195,6 @@ export function SceneDescriptionModal({ initialHtml, onClose, onSave }: SceneDes
               >
                 <ToolbarIcon path="M2 17h2v.5H3v1h1v.5H2v1h3v-4H2v1zm1-9h1V4H2v1h1v3zm-1 3h1.8L2 13.1V14h3v-1H3.2L5 10.9V10H2v1zm5-6v2h14V5H7zm0 14h14v-2H7v2zm0-6h14v-2H7v2z" />
               </ToolButton>
-              <ToolButton
-                title={t('scene.descriptionLink')}
-                disabled={!toolbarState.canLink}
-                onClick={setLink}
-              >
-                <ToolbarIcon path="M3.9 12a5 5 0 0 1 5-5h4v2h-4a3 3 0 1 0 0 6h4v2h-4a5 5 0 0 1-5-5zm7-1h6v2h-6v-2zm5-4h-4v2h4a3 3 0 1 1 0 6h-4v2h4a5 5 0 0 0 0-10z" />
-              </ToolButton>
             </div>
           </div>
           <div className={modalStyles.editorContent}>