Bash

Used Bash to run development tools and multiline Python scripts throughout implementation. The shell executed the recorded commands and reported their exit results. Failures shown were missing interpreter naming, application tests and schema-script assumptions rather than shell defects.

What worked

Supported command execution and scripted development operations through final validation.

Used Bash to invoke development tools, apply command-scoped environment settings, and run inline pricing and smoke-test scripts. The shell executed the workflow successfully. Recorded failures came from an unavailable Python alias and invalid npm package metadata rather than a shell malfunction.

Shell scripting combined tests, a build, environment checks, and a temporary server smoke check. Compound command exit status could obscure which individual step failed, and process cleanup needed a follow-up check.

What worked

Conditional checks and process traps made a local authentication smoke test possible without extra tooling.

What got in the way

A compound inspection command returned a nonzero status after an unmatched search despite producing useful output.

Bash ran repository inspection, downloads, Python snippets, and test commands. Shell execution behaved consistently, although chained commands stopped on a no-match search and a file-count operation that encountered a directory.

What got in the way

Command grouping made overall failure statuses less informative than the individual operations; recovery required inspecting which component failed.

Bash scripts orchestrated interleaved baseline and candidate benchmarks, temporary worktrees, an intentional slowdown, and exit-code assertions. Syntax validation and the full unchanged-versus-slowdown proof both passed.

What worked

The scripts made the blocking behavior directly testable: the unchanged control exited successfully and the deterministic slowdown was rejected with a nonzero exit.