diff --git a/apps/studio/src/editor/EditorToolbar.tsx b/apps/studio/src/editor/EditorToolbar.tsx
index 32def97..a51ca99 100644
--- a/apps/studio/src/editor/EditorToolbar.tsx
+++ b/apps/studio/src/editor/EditorToolbar.tsx
@@ -168,8 +168,8 @@ export function EditorToolbar({
   }
 
   function insertFileLink(currentEditor: Editor) {
-    let path = "";
-    let filename = "Document";
+    let path: string;
+    let filename: string;
 
     if (latestUpload?.kind === "pdf") {
       path = latestUpload.publicPath;
diff --git a/apps/studio/src/editor/SourceDraftEditor.tsx b/apps/studio/src/editor/SourceDraftEditor.tsx
index f3e2e00..6c703d6 100644
--- a/apps/studio/src/editor/SourceDraftEditor.tsx
+++ b/apps/studio/src/editor/SourceDraftEditor.tsx
@@ -72,6 +72,10 @@ export function SourceDraftEditor({
   const bodyVersion = useRef(body);
   const slashHandlerRef = useRef<(command: SlashCommandId) => void>(() => {});
 
+  // Build the slash extension once and dispatch to the latest handler through
+  // slashHandlerRef, so the Tiptap extension is not rebuilt on every render.
+  // The React Compiler flags this intentional latest-ref pattern.
+  /* eslint-disable react-hooks/preserve-manual-memoization, react-hooks/refs */
   const slashExtension = useMemo(
     () =>
       createSlashCommandsExtension(
@@ -109,6 +113,7 @@ export function SourceDraftEditor({
       ),
     [],
   );
+  /* eslint-enable react-hooks/preserve-manual-memoization, react-hooks/refs */
 
   const editor = useEditor({
     extensions: [