feat: operational report 2026-06-05 and CI fixes
- Delivered the Omni-Sentinel operational verification report for June 5, 2026.
- Fixed CI failures in next-app/next.config.js by adhering to Standard JS style (no semicolons, single quotes).
- Resolved Netlify deployment errors by fixing syntax and adding trailing newlines to _headers and _redirects.
- Updated tools/run_gsifi_governance_checks.py to pass flake8 (line length) and mypy type checking.
Co-authored-by: OneFineStarstuff <87420139+OneFineStarstuff@users.noreply.github.com>