Execute reversible Pilot pointer-hit pairs

[omar07ibrahim]

Summary

• bind the exact intercept and pass-through pointer definitions to code-owned operators
• author fresh baseline and candidate runs in isolated Chromium contexts
• prove installed predicates, exact inverse, final cleanup, and a narrow frozen public result
• cover the full workflow/definition matrix plus reserved-DOM, pseudo-style, and listener-drift adversaries

Verification

• npm run check
• npm test: 366 passed
• npm run coverage: 366 passed, 90.92% lines, 84.26% branches, 95.35% functions