refactor(notes): rename candidate variable in isNote guard

src/lib/notesStorage.ts

@@ -21,10 +21,10 @@ export function saveNotes(notes: Note[]): void {
 
 function isNote(value: unknown): value is Note {
   if (typeof value !== 'object' || value === null) return false
-  const candidate = value as Record<string, unknown>
+  const note = value as Record<string, unknown>
   return (
-    typeof candidate.id === 'number' &&
-    typeof candidate.title === 'string' &&
-    typeof candidate.content === 'string'
+    typeof note.id === 'number' &&
+    typeof note.title === 'string' &&
+    typeof note.content === 'string'
   )
 }