feat: add update and delete functionality for courses, events, and species; enhance attendance tracking and category creation

apps/web/app/[locale]/home/[account]/courses/[courseId]/edit/page.tsx

@@ -0,0 +1,53 @@
+import { createCourseManagementApi } from '@kit/course-management/api';
+import { CreateCourseForm } from '@kit/course-management/components';
+import { getSupabaseServerClient } from '@kit/supabase/server-client';
+
+import { AccountNotFound } from '~/components/account-not-found';
+import { CmsPageShell } from '~/components/cms-page-shell';
+
+interface PageProps {
+  params: Promise<{ account: string; courseId: string }>;
+}
+
+export default async function EditCoursePage({ params }: PageProps) {
+  const { account, courseId } = await params;
+  const client = getSupabaseServerClient();
+
+  const { data: acct } = await client
+    .from('accounts')
+    .select('id')
+    .eq('slug', account)
+    .single();
+
+  if (!acct) return <AccountNotFound />;
+
+  const api = createCourseManagementApi(client);
+  const course = await api.getCourse(courseId);
+  if (!course) return <AccountNotFound />;
+
+  const c = course as Record<string, unknown>;
+
+  return (
+    <CmsPageShell account={account} title={`${String(c.name)} — Bearbeiten`}>
+      <CreateCourseForm
+        accountId={acct.id}
+        account={account}
+        courseId={courseId}
+        initialData={{
+          courseNumber: String(c.course_number ?? ''),
+          name: String(c.name ?? ''),
+          description: String(c.description ?? ''),
+          startDate: String(c.start_date ?? ''),
+          endDate: String(c.end_date ?? ''),
+          fee: Number(c.fee ?? 0),
+          reducedFee: Number(c.reduced_fee ?? 0),
+          capacity: Number(c.capacity ?? 20),
+          minParticipants: Number(c.min_participants ?? 5),
+          status: String(c.status ?? 'planned'),
+          registrationDeadline: String(c.registration_deadline ?? ''),
+          notes: String(c.notes ?? ''),
+        }}
+      />
+    </CmsPageShell>
+  );
+}