fix(test): stabilize E2E cockpit flow and add LM Studio novel integration test

Harden cockpit dismiss timing and global settings navigation in E2E helpers, tune short-chapter AI prompts for local models, fix electron-updater CJS loading, and add a 10-chapter auto-writing integration test against LM Studio.

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

src/renderer/components/layout/TopBar.tsx

@@ -107,7 +107,16 @@ export function TopBar(): React.JSX.Element {
       >
         📊
       </button>
-      <button type="button" className="top-btn" onClick={() => { openSettingsTab(); setView('settings') }}>
+      <button
+        type="button"
+        className="top-btn"
+        data-testid="topbar-settings"
+        title={t('settings.title')}
+        onClick={() => {
+          openSettingsTab()
+          setView('settings')
+        }}
+      >
         ⚙
       </button>
       <button

src/renderer/lib/graph-cytoscape.ts

@@ -104,6 +104,8 @@ export function initCytoscape(
     if (evt.target === cy) onSelect(null)
   })
 
+  ;(container as HTMLElement & { __bilinCy?: cytoscape.Core }).__bilinCy = cy
+
   return cy
 }