Verify multi-package build gates in parallel

Run each govern-zone package

Environment or artifact verification with mechanical pass/fail detection against ground truth.

• · args: configuration object
• · repo_root (path), validate_script (path)

• · markdown_files (md)
• · structured_data (JSON)
• · git_commits (git history)

• · bash
• · git
• · json_schema

• · Specific repo paths or tool locations configured
• · Configuration constants pre-defined
• · Python virtual environment or package manager set up

• · Command execution failure or non-zero exit
• · Git operation failure (merge conflict, detached HEAD)
• · Malformed input data

• · Explicit configuration override with sensible defaults
• · Explicit specification or contract documentation