feat: Implement group management features with dialogs for editing and displaying group results, enhance event creation with a form, and update team and referee management UI

src/components/moderator/pages/event/GroupEditDialog.svelte

@@ -0,0 +1,45 @@
+<script lang="ts">
+    import type { GroupUpdateEdit, ResponseGroups, SWEvent } from "@type/event";
+    import { Dialog, DialogContent, DialogDescription, DialogFooter, DialogHeader, DialogTitle } from "@components/ui/dialog";
+    import GroupEdit from "@components/moderator/components/GroupEdit.svelte";
+    import { Button } from "@components/ui/button";
+    import { eventRepo } from "@repo/event";
+
+    let { group, groups = $bindable(), open = $bindable(), event }: { group: ResponseGroups; groups: ResponseGroups[]; open?: boolean; event: SWEvent } = $props();
+
+    async function handleSave(groupData: GroupUpdateEdit) {
+        if (!group) return;
+        const updatedGroup = await $eventRepo.updateGroup(event.id.toString(), group.id.toString(), groupData);
+        groups = groups.map((g) => (g.id === updatedGroup.id ? updatedGroup : g));
+        open = false;
+    }
+
+    async function handleDelete() {
+        if (!group) return;
+        await $eventRepo.deleteGroup(event.id.toString(), group.id.toString());
+        groups = groups.filter((g) => g.id !== group.id);
+        open = false;
+    }
+</script>
+
+{#if group}
+    <Dialog bind:open>
+        <DialogContent>
+            <DialogHeader>
+                <DialogTitle>Gruppe Bearbeiten: {group.name}</DialogTitle>
+                <DialogDescription>Hier kannst du die Gruppendetails bearbeiten.</DialogDescription>
+            </DialogHeader>
+            <GroupEdit {group} onSave={handleSave}>
+                {#snippet actions(dirty, submit)}
+                    <DialogFooter class="flex justify-between">
+                        <Button variant="destructive" onclick={handleDelete}>Löschen</Button>
+                        <div class="flex gap-2">
+                            <Button variant="outline" onclick={() => (open = false)}>Abbrechen</Button>
+                            <Button disabled={!dirty} onclick={submit}>Speichern</Button>
+                        </div>
+                    </DialogFooter>
+                {/snippet}
+            </GroupEdit>
+        </DialogContent>
+    </Dialog>
+{/if}