desktop: rustfmt the retention query and one assert

Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01SreJkbxB4gx8pPsu8QbLPi

desktop/src-tauri/src/local/retention.rs

@@ -36,8 +36,9 @@ pub fn sweep_expired_trash(
     let cutoff = now - Duration::days(retention_days);
     let mut expired: Vec<String> = Vec::new();
     {
-        let mut stmt = conn
+        let mut stmt = conn.prepare(
-            .prepare("SELECT id, trashed_at FROM notes WHERE trashed = 1 AND trashed_at IS NOT NULL")?;
+            "SELECT id, trashed_at FROM notes WHERE trashed = 1 AND trashed_at IS NOT NULL",
+        )?;
         let mut rows = stmt.query([])?;
         while let Some(row) = rows.next()? {
             let id: String = row.get(0)?;
@@ -210,7 +211,11 @@ mod tests {
         trashed_note(&conn, "old", 400);
         state::set_link(&conn, "https://notes.example", "token").expect("link");
         assert_eq!(sweep_if_unlinked(&conn).expect("sweep"), None);
-        assert_eq!(note_count(&conn), 1, "the note must survive on a linked device");
+        assert_eq!(
+            note_count(&conn),
+            1,
+            "the note must survive on a linked device"
+        );
     }
 
     #[test]