Moved to uv from poetry

Updated ruff and mypy, accepted all changes
Central exception management and injected the Session.
This removed a lot of duplicated boilerplate code.
Added health check
Updated to Angular 21

overlord/src/app/issue/issue.component.ts

@@ -73,14 +73,14 @@ export class IssueComponent implements OnInit, AfterViewInit {
   @ViewChild('dateElement', { static: true }) dateElement!: ElementRef<HTMLInputElement>;
 
   @HostListener('window:keydown.f2', ['$event'])
-  focusDate(event: KeyboardEvent) {
+  focusDate(event: Event) {
     event.preventDefault();
     this.dateElement.nativeElement.focus();
     this.dateElement.nativeElement.select();
   }
 
   @HostListener('window:keydown.control.s', ['$event'])
-  saveListner(event: KeyboardEvent) {
+  saveListner(event: Event) {
     event.preventDefault();
     if (this.canSave()) {
       this.save();