style: make new files lint-clean (prettier + eqeqeq + remove unused eslint-disables)

Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>

src/__tests__/opencode_cell_actions.spec.ts

@@ -79,15 +79,25 @@ function makeFakeCell(
     content: notebook
   };
   for (let i = 0; i < cellIndex; i++) {
-    notebook.widgets.push({ model: { sharedModel: { getSource: () => '' } } } as any);
+    notebook.widgets.push({
+      model: { sharedModel: { getSource: () => '' } }
+    } as any);
   }
   notebook.widgets.push(cell);
   for (let i = cellIndex + 1; i < totalCells; i++) {
-    notebook.widgets.push({ model: { sharedModel: { getSource: () => '' } } } as any);
+    notebook.widgets.push({
+      model: { sharedModel: { getSource: () => '' } }
+    } as any);
   }
 
-  Object.defineProperty(cell, 'parent', { value: notebook, configurable: true });
-  Object.defineProperty(notebook, 'parent', { value: panel, configurable: true });
+  Object.defineProperty(cell, 'parent', {
+    value: notebook,
+    configurable: true
+  });
+  Object.defineProperty(notebook, 'parent', {
+    value: panel,
+    configurable: true
+  });
 
   return cell as CodeCell;
 }