Implement a write-ahead log (WAL) key-value store with crash recovery. The store must support put , get …

Implement a write-ahead log (WAL) key-value store with crash recovery. The store must support put , get …: a task in TermGrade Environments: 1,004 executable Linux tasks (Harbor dataset). Goal: Write a Python script /app/store.py that provides a command-line interface to a persistent key-value…

The task

**Goal:** Write a Python script `/app/store.py` that provides a command-line interface to a persistent key-value store backed by a write-ahead log and a snapshot file.

Part of ai-and/termgrade-environments.