Modernize CyberChef build system, dependencies, UI, and testing
Build System:
- Replace Grunt with npm scripts and Node.js helper scripts
- Remove worker-loader, use native Webpack 5 worker syntax
- Add Rspack config as faster alternative bundler (5-23x faster)
- Replace platform-specific sed postinstall hacks with cross-platform Node.js script
- Update browser targets from Chrome 50/Firefox 38 to Chrome 80/Firefox 78/Safari 14
- Fix import assertions (assert -> with) for Node 24 compatibility
Dependencies:
- Replace deprecated crypto-js with native RC4 implementation and @noble/hashes EVP KDF
- Replace blakejs with @noble/hashes/blake2b and blake2s
- Add @noble/hashes for MD5, SHA1/2/3, RIPEMD160, HMAC, HKDF (crypto-api fallback for legacy algos)
- Replace lodash with native CaseConvert.mjs utility
- Replace moment.js in web layer with date-fns
- Add date-fns and date-fns-tz dependencies
- Remove jquery, snackbarjs, arrive, bootstrap-colorpicker, bootstrap-material-design, popper.js v1, lodash, blakejs, crypto-js
UI Modernization:
- Upgrade Bootstrap 4.6.2 to Bootstrap 5.3 (87 data attribute renames)
- Remove bootstrap-material-design (unmaintained)
- Remove jQuery dependency entirely (38 calls replaced with native DOM + BS5 JS API)
- Add custom Snackbar.mjs notification utility (replaces snackbarjs)
- Replace bootstrap-colorpicker with native HTML color input
Testing:
- Add Vitest config and adapter for running existing TestRegister tests
- Add Playwright config and E2E test replacing Nightwatch
- Update CI workflows to use npm scripts and Playwright
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