Simplified Legacy Codebase Text Substitution Task

Simplified Legacy Codebase Text Substitution Task: a task in repo2rlenv-seta-evol (Harbor dataset). A legacy project under /workspace/legacy-app has some stale configuration strings that need updating.

The task

A legacy project under `/workspace/legacy-app` has some stale configuration strings that need updating.

Part of FineEnvs/repo2rlenv-seta-evol.