v1.6.5: fix attendance unique constraint, schema sync, seed script

- Change attendance idx_attendance_user_date from unique to index (allow multiple shifts per day)
- Reset migrations to single baseline init migration
- Add seed script with admin user (admin/admin)
- Update CLAUDE.md with migration workflow documentation
- Various frontend fixes (queries, pages, hooks)

Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>

src/admin/lib/queries/orders.ts

@@ -1,6 +1,60 @@
 import { queryOptions } from "@tanstack/react-query";
 import { jsonQuery, paginatedJsonQuery } from "../apiAdapter";
 
+export interface OrderItem {
+  id?: number;
+  description: string;
+  item_description?: string;
+  quantity: number;
+  unit: string;
+  unit_price: number;
+  is_included_in_total: number | boolean;
+}
+
+export interface OrderSection {
+  id?: number;
+  title: string;
+  title_cz?: string;
+  content: string;
+}
+
+export interface OrderInvoice {
+  id: number;
+  invoice_number: string;
+}
+
+export interface OrderProject {
+  id: number;
+  project_number: string;
+  name: string;
+  has_nas_folder?: boolean;
+}
+
+export interface OrderData {
+  id: number;
+  order_number: string;
+  quotation_id: number;
+  quotation_number: string;
+  project_code?: string;
+  customer_name: string;
+  customer_order_number: string;
+  currency: string;
+  created_at: string;
+  status: string;
+  notes: string;
+  attachment_name?: string;
+  apply_vat: number | boolean;
+  vat_rate: number;
+  language?: string;
+  items: OrderItem[];
+  sections: OrderSection[];
+  scope_title?: string;
+  scope_description?: string;
+  valid_transitions?: string[];
+  invoice?: OrderInvoice;
+  project?: OrderProject;
+}
+
 export const orderListOptions = (filters: {
   search?: string;
   sort?: string;
@@ -25,7 +79,6 @@ export const orderListOptions = (filters: {
 export const orderDetailOptions = (id: string | undefined) =>
   queryOptions({
     queryKey: ["orders", id],
-    queryFn: () =>
-      jsonQuery<Record<string, unknown>>(`/api/admin/orders/${id}`),
+    queryFn: () => jsonQuery<OrderData>(`/api/admin/orders/${id}`),
     enabled: !!id,
   });