Audit and fill validation gaps

Audit Nyquist validation coverage for a completed project phase

Retroactively filling Nyquist validation gaps after a phase completes to ensure full coverage

• · phase number (optional, defaults to last completed)

• · updated VALIDATION.md
• · generated test files
• · validation gaps filled

• · Read
• · Write
• · Edit
• · Bash
• · Glob
• · Grep
• · Task
• · AskUserQuestion

• · phase already executed
• · VALIDATION.md or SUMMARY.md exists

• · phase not executed (exit with guidance)
• · artifacts missing
• · unclear test requirements

• · Three-state handling (A: audit gaps, B: reconstruct from artifacts, C: not executed)
• · workflow gates preserved