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/recipe/recipe-detail/recipe-detail.component.ts

@@ -16,10 +16,10 @@ import { ActivatedRoute, Router } from '@angular/router';
 import moment from 'moment';
 import { BehaviorSubject, Observable, of as observableOf } from 'rxjs';
 import { debounceTime, distinctUntilChanged, map, switchMap } from 'rxjs/operators';
-import { Period } from 'src/app/period/period';
 
 import { Product } from '../../core/product';
 import { ProductSku } from '../../core/product-sku';
+import { Period } from '../../period/period';
 import { ProductService } from '../../product/product.service';
 import { ConfirmDialogComponent } from '../../shared/confirm-dialog/confirm-dialog.component';
 import { MathService } from '../../shared/math.service';

overlord/src/app/recipe/recipe-list/recipe-list.component.ts

@@ -11,9 +11,9 @@ import { MatSort, MatSortModule } from '@angular/material/sort';
 import { MatTableModule } from '@angular/material/table';
 import { ActivatedRoute, Router, RouterModule } from '@angular/router';
 import { BehaviorSubject } from 'rxjs';
-import { Period } from 'src/app/period/period';
 
 import { ProductGroup } from '../../core/product-group';
+import { Period } from '../../period/period';
 import { Recipe } from '../recipe';
 import { RecipeListDatasource } from './recipe-list-datasource';