Add review commit diff link to README examples

Add epic continuity rules: read existing, resolve, never delete

Fix L2, add review PDF example, update epics

Add review PDF naming with timestamps for traceability

Add example output (self-audit PDF + epics) and link from README

Add security audit epics from self-audit

Add cross-platform Chrome detection, detailed install docs and requirements

Add MIT license and update README with clone instructions and lang parameter

Switch default language to English, add lang parameter and GitHub link

Initial commit: security-audit skill