I have a database in WAL (Write-Ahead Logging) mode in /app/.

I have a database in WAL (Write-Ahead Logging) mode in /app/.: a task in terminal-bench-2.0 (Harbor dataset). Your task is to: 1. Fix the WAL file so SQLite can read it 2. Extract ALL data from the database (including WAL changes) 3. Create a JSON file in /app/recovered.json