Harden Hass-Cleaner 1.0.2

[dkwolf1]

Summary

• make restore, quarantine purge and registry cleanup crash-safe
• synchronize changed Supervisor settings without discarding unrelated UI choices
• remove the obsolete deletion_mode option during startup
• reject malformed and oversized API requests safely
• prevent history clearing during active operations
• use consistent Python cache classification during scanning and execution
• bound retained scan memory and reduce registry summary serialization
• improve English translations, accessibility labels and bilingual exports
• update documentation and release metadata for version 1.0.2

Validation

• 105 Python tests completed successfully
• 1 intentional test skipped
• JavaScript syntax checks passed
• i18n regression checks passed
• Python compilation passed
• shell syntax validation passed