Implement a write-ahead log (WAL) key-value store at /app/store/db.py that supports get , put , and delete…
Implement a write-ahead log (WAL) key-value store at /app/store/db.py that supports get , put , and delete…: a task in termgrade-bandcentral-gemma4-31b-bash: TermGrade Band-Central: the 151-task selection and its splits (Harbor dataset). The store must be a single file store.py with a class…
The task
The store must be a single file `store.py` with a class `WALStore` that uses a WAL file at `/app/store/wal.log` and a data file at `/app/store/data.db`.