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/attendance.ts

@@ -33,6 +33,94 @@ export interface LocationRecord {
   departure_address?: string | null;
 }
 
+export interface ProjectLogEntry {
+  id?: number;
+  project_id?: number;
+  project_name?: string;
+  started_at?: string;
+  ended_at?: string | null;
+  hours?: string | number | null;
+  minutes?: string | number | null;
+}
+
+export interface AttendanceRecord {
+  id: number;
+  shift_date: string;
+  leave_type?: string;
+  leave_hours?: number;
+  arrival_time?: string | null;
+  departure_time?: string | null;
+  break_start?: string | null;
+  break_end?: string | null;
+  notes?: string;
+  project_name?: string;
+  project_logs?: ProjectLogEntry[];
+}
+
+export interface BalanceEntry {
+  name: string;
+  vacation_total: number;
+  vacation_used: number;
+  vacation_remaining: number;
+  sick_used: number;
+}
+
+export interface UserShort {
+  id: number | string;
+  name: string;
+}
+
+export interface BalancesData {
+  users: UserShort[];
+  balances: Record<string, BalanceEntry>;
+}
+
+export interface FundUserData {
+  name: string;
+  worked: number;
+  covered: number;
+  overtime: number;
+  missing: number;
+}
+
+export interface MonthFundData {
+  month_name: string;
+  fund: number;
+  fund_to_date: number;
+  business_days: number;
+  users?: Record<string, FundUserData>;
+}
+
+export interface FundData {
+  months: Record<string, MonthFundData>;
+  holidays: unknown[];
+  users: UserShort[];
+  balances: Record<string, unknown>;
+}
+
+export interface ProjectUser {
+  user_id: number;
+  user_name: string;
+  hours: number;
+}
+
+export interface ProjectEntry {
+  project_id: number | null;
+  project_number?: string;
+  project_name?: string;
+  hours: number;
+  users: ProjectUser[];
+}
+
+export interface MonthProjectData {
+  month_name: string;
+  projects: ProjectEntry[];
+}
+
+export interface ProjectData {
+  months: Record<string, MonthProjectData>;
+}
+
 export const attendanceHistoryOptions = (filters: {
   month?: string;
   userId?: number;
@@ -44,7 +132,7 @@ export const attendanceHistoryOptions = (filters: {
       params.set("limit", "1000");
       if (filters.month) params.set("month", filters.month);
       if (filters.userId) params.set("user_id", String(filters.userId));
-      return jsonQuery<Record<string, unknown>[]>(
+      return jsonQuery<AttendanceRecord[]>(
         `/api/admin/attendance?${params.toString()}`,
       );
     },
@@ -54,7 +142,7 @@ export const attendanceBalancesOptions = (year: number) =>
   queryOptions({
     queryKey: ["attendance", "balances", year],
     queryFn: () =>
-      jsonQuery<Record<string, unknown>>(
+      jsonQuery<BalancesData>(
         `/api/admin/attendance?action=balances&year=${year}`,
       ),
   });
@@ -63,16 +151,14 @@ export const attendanceWorkFundOptions = (year: number) =>
   queryOptions({
     queryKey: ["attendance", "workfund", year],
     queryFn: () =>
-      jsonQuery<Record<string, unknown>>(
-        `/api/admin/attendance?action=workfund&year=${year}`,
-      ),
+      jsonQuery<FundData>(`/api/admin/attendance?action=workfund&year=${year}`),
   });
 
 export const attendanceProjectReportOptions = (year: number) =>
   queryOptions({
     queryKey: ["attendance", "project-report", year],
     queryFn: () =>
-      jsonQuery<Record<string, unknown>>(
+      jsonQuery<ProjectData>(
         `/api/admin/attendance?action=project_report&year=${year}`,
       ),
   });