Harden Hass-Cleaner 1.0.1

[dkwolf1]

Summary

• make quarantine and registry cleanup crash-safe and auditable
• clear stale selections when starting a new scan
• enforce quarantine as the only file cleanup route
• paginate files, entities, and bundles
• store local state atomically with visible error handling
• ensure scan threads always reach a final status
• improve English dynamic translations and accessibility
• add versioned frontend assets and explicit cache policies
• prepare maintenance release 1.0.1

Validation

• 82 tests passed
• 1 Windows symlink test skipped
• Python compilation passed
• JavaScript syntax checks passed
• interactive browser and accessibility checks passed