Fix playground bugs and remove TypeScript compiler

- Fix BUG1: JavaScript timeout with proper thread interruption using ScheduledExecutorService
- Fix BUG2: Add URL regex validation before execution in playground test API
- Fix BUG3: Register published parsers to CustomParserRegistry on save/update/delete
- Remove TypeScript compiler functionality (tsCompiler.js, dependencies, UI)
- Add password authentication for playground access
- Add mobile responsive layout support
- Load playground parsers on application startup

web-front/package.json

@@ -19,7 +19,6 @@
     "monaco-editor": "^0.45.0",
     "qrcode": "^1.5.4",
     "splitpanes": "^4.0.4",
-    "typescript": "^5.9.3",
     "vue": "^3.5.12",
     "vue-clipboard3": "^2.0.0",
     "vue-router": "^4.5.1",