Add Prettier for TypeScript formatting

- Install prettier
- Configure .prettierrc.json and .prettierignore
- Add npm scripts: format, format:check
- Add Makefile target: format-frontend
- Format all frontend files

Makefile

@@ -1,4 +1,4 @@
-.PHONY: install-backend install-frontend install setup-hooks backend frontend db db-stop db-ready db-seed dev test test-backend test-frontend test-e2e typecheck generate-types generate-types-standalone check-types-fresh check-constants lint-backend format-backend fix-backend security-backend lint-frontend fix-frontend
+.PHONY: install-backend install-frontend install setup-hooks backend frontend db db-stop db-ready db-seed dev test test-backend test-frontend test-e2e typecheck generate-types generate-types-standalone check-types-fresh check-constants lint-backend format-backend fix-backend security-backend lint-frontend fix-frontend format-frontend
 
 -include .env
 export
@@ -111,3 +111,6 @@ lint-frontend:
 
 fix-frontend:
 	cd frontend && npm run lint:fix
+
+format-frontend:
+	cd frontend && npm run format

frontend/.prettierignore

@@ -0,0 +1,4 @@
+.next/
+node_modules/
+app/generated/
+

frontend/.prettierrc.json

@@ -0,0 +1,7 @@
+{
+  "semi": true,
+  "singleQuote": false,
+  "tabWidth": 2,
+  "trailingComma": "es5",
+  "printWidth": 100
+}

frontend/app/admin/appointments/page.tsx

@@ -225,13 +225,9 @@ export default function AdminAppointmentsPage() {
       <Header currentPage="admin-appointments" />
       <div style={styles.content}>
         <h1 style={styles.pageTitle}>All Appointments</h1>
-        <p style={styles.pageSubtitle}>
+        <p style={styles.pageSubtitle}>View and manage all user appointments</p>
-          View and manage all user appointments
-        </p>
 
-        {error && (
+        {error && <div style={styles.errorBanner}>{error}</div>}
-          <div style={styles.errorBanner}>{error}</div>
-        )}
 
         {/* Status Filter */}
         <div style={styles.filterRow}>
@@ -269,22 +265,16 @@ export default function AdminAppointmentsPage() {
                 >
                   <div style={styles.appointmentHeader}>
                     <div>
-                      <div style={styles.appointmentTime}>
+                      <div style={styles.appointmentTime}>{formatDateTime(apt.slot_start)}</div>
-                        {formatDateTime(apt.slot_start)}
+                      <div style={styles.appointmentUser}>{apt.user_email}</div>
-                      </div>
+                      {apt.note && <div style={styles.appointmentNote}>&quot;{apt.note}&quot;</div>}
-                      <div style={styles.appointmentUser}>
+                      <span
-                        {apt.user_email}
+                        style={{
-                      </div>
-                      {apt.note && (
-                        <div style={styles.appointmentNote}>
-                          &quot;{apt.note}&quot;
-                        </div>
-                      )}
-                      <span style={{
                           ...styles.statusBadge,
                           background: status.bgColor,
                           color: status.textColor,
-                      }}>
+                        }}
+                      >
                         {status.text}
                       </span>
                     </div>
@@ -327,4 +317,3 @@ export default function AdminAppointmentsPage() {
     </main>
   );
 }
-

frontend/app/admin/availability/page.tsx

@@ -8,7 +8,13 @@ import { Header } from "../../components/Header";
 import { useRequireAuth } from "../../hooks/useRequireAuth";
 import { components } from "../../generated/api";
 import constants from "../../../../shared/constants.json";
-import { formatDate, formatDisplayDate, getDateRange, formatTimeString, isWeekend } from "../../utils/date";
+import {
+  formatDate,
+  formatDisplayDate,
+  getDateRange,
+  formatTimeString,
+  isWeekend,
+} from "../../utils/date";
 
 const { slotDurationMinutes, maxAdvanceDays, minAdvanceDays } = constants.booking;
 
@@ -236,10 +242,12 @@ export default function AdminAvailabilityPage() {
             </div>
             {copySource && (
               <div style={styles.copyActions}>
-                <span style={styles.copyHint}>
+                <span style={styles.copyHint}>Select days to copy to, then click Copy</span>
-                  Select days to copy to, then click Copy
+                <button
-                </span>
+                  onClick={executeCopy}
-                <button onClick={executeCopy} disabled={copyTargets.size === 0 || isCopying} style={styles.copyButton}>
+                  disabled={copyTargets.size === 0 || isCopying}
+                  style={styles.copyButton}
+                >
                   {isCopying ? "Copying..." : `Copy to ${copyTargets.size} day(s)`}
                 </button>
                 <button onClick={cancelCopyMode} style={styles.cancelButton}>
@@ -249,9 +257,7 @@ export default function AdminAvailabilityPage() {
             )}
           </div>
 
-          {error && !selectedDate && (
+          {error && !selectedDate && <div style={styles.errorBanner}>{error}</div>}
-            <div style={styles.errorBanner}>{error}</div>
-          )}
 
           <div style={styles.calendar}>
             {dates.map((date) => {
@@ -318,9 +324,7 @@ export default function AdminAvailabilityPage() {
       {selectedDate && (
         <div style={styles.modalOverlay} onClick={closeModal}>
           <div style={styles.modal} onClick={(e) => e.stopPropagation()}>
-            <h2 style={styles.modalTitle}>
+            <h2 style={styles.modalTitle}>Edit Availability - {formatDisplayDate(selectedDate)}</h2>
-              Edit Availability - {formatDisplayDate(selectedDate)}
-            </h2>
 
             {error && <div style={styles.modalError}>{error}</div>}
 
@@ -333,7 +337,9 @@ export default function AdminAvailabilityPage() {
                     style={styles.timeSelect}
                   >
                     {TIME_OPTIONS.map((t) => (
-                      <option key={t} value={t}>{t}</option>
+                      <option key={t} value={t}>
+                        {t}
+                      </option>
                     ))}
                   </select>
                   <span style={styles.slotDash}>→</span>
@@ -343,7 +349,9 @@ export default function AdminAvailabilityPage() {
                     style={styles.timeSelect}
                   >
                     {TIME_OPTIONS.map((t) => (
-                      <option key={t} value={t}>{t}</option>
+                      <option key={t} value={t}>
+                        {t}
+                      </option>
                     ))}
                   </select>
                   <button
@@ -629,4 +637,3 @@ const pageStyles: Record<string, React.CSSProperties> = {
 };
 
 const styles = { ...sharedStyles, ...pageStyles };
-

frontend/app/admin/invites/page.tsx

@@ -185,9 +185,7 @@ export default function AdminInvitesPage() {
                   <option value={SPENT}>Spent</option>
                   <option value={REVOKED}>Revoked</option>
                 </select>
-                <span style={styles.totalCount}>
+                <span style={styles.totalCount}>{data?.total ?? 0} invites</span>
-                  {data?.total ?? 0} invites
-                </span>
               </div>
             </div>
 
@@ -206,21 +204,24 @@ export default function AdminInvitesPage() {
                 <tbody>
                   {error && (
                     <tr>
-                      <td colSpan={6} style={styles.errorRow}>{error}</td>
+                      <td colSpan={6} style={styles.errorRow}>
+                        {error}
+                      </td>
                     </tr>
                   )}
-                  {!error && data?.records.map((record) => (
+                  {!error &&
+                    data?.records.map((record) => (
                       <tr key={record.id} style={styles.tr}>
                         <td style={styles.tdCode}>{record.identifier}</td>
                         <td style={styles.td}>{record.godfather_email}</td>
                         <td style={styles.td}>
-                        <span style={{ ...styles.statusBadge, ...getStatusBadgeStyle(record.status) }}>
+                          <span
+                            style={{ ...styles.statusBadge, ...getStatusBadgeStyle(record.status) }}
+                          >
                             {record.status}
                           </span>
                         </td>
-                      <td style={styles.td}>
+                        <td style={styles.td}>{record.used_by_email || "-"}</td>
-                        {record.used_by_email || "-"}
-                      </td>
                         <td style={styles.tdDate}>{formatDate(record.created_at)}</td>
                         <td style={styles.td}>
                           {record.status === READY && (
@@ -236,7 +237,9 @@ export default function AdminInvitesPage() {
                     ))}
                   {!error && (!data || data.records.length === 0) && (
                     <tr>
-                      <td colSpan={6} style={styles.emptyRow}>No invites yet</td>
+                      <td colSpan={6} style={styles.emptyRow}>
+                        No invites yet
+                      </td>
                     </tr>
                   )}
                 </tbody>
@@ -500,4 +503,3 @@ const pageStyles: Record<string, React.CSSProperties> = {
 };
 
 const styles = { ...sharedStyles, ...pageStyles };
-

frontend/app/api.ts

@@ -16,10 +16,7 @@ export class ApiError extends Error {
   }
 }
 
-async function request<T>(
+async function request<T>(endpoint: string, options: RequestInit = {}): Promise<T> {
-  endpoint: string,
-  options: RequestInit = {}
-): Promise<T> {
   const url = `${API_URL}${endpoint}`;
 
   const headers: Record<string, string> = {
@@ -43,11 +40,7 @@ async function request<T>(
     } catch {
       // Response wasn't JSON
     }
-    throw new ApiError(
+    throw new ApiError(`Request failed: ${res.status}`, res.status, data);
-      `Request failed: ${res.status}`,
-      res.status,
-      data
-    );
   }
 
   return res.json();
@@ -72,4 +65,3 @@ export const api = {
     });
   },
 };
-

frontend/app/appointments/page.tsx

@@ -217,29 +217,25 @@ export default function AppointmentsPage() {
       <Header currentPage="appointments" />
       <div style={styles.content}>
         <h1 style={styles.pageTitle}>My Appointments</h1>
-        <p style={styles.pageSubtitle}>
+        <p style={styles.pageSubtitle}>View and manage your booked appointments</p>
-          View and manage your booked appointments
-        </p>
 
-        {error && (
+        {error && <div style={styles.errorBanner}>{error}</div>}
-          <div style={styles.errorBanner}>{error}</div>
-        )}
 
         {isLoadingAppointments ? (
           <div style={styles.emptyState}>Loading appointments...</div>
         ) : appointments.length === 0 ? (
           <div style={styles.emptyState}>
             <p>You don&apos;t have any appointments yet.</p>
-            <a href="/booking" style={styles.emptyStateLink}>Book an appointment</a>
+            <a href="/booking" style={styles.emptyStateLink}>
+              Book an appointment
+            </a>
           </div>
         ) : (
           <>
             {/* Upcoming Appointments */}
             {upcomingAppointments.length > 0 && (
               <div style={styles.section}>
-                <h2 style={styles.sectionTitle}>
+                <h2 style={styles.sectionTitle}>Upcoming ({upcomingAppointments.length})</h2>
-                  Upcoming ({upcomingAppointments.length})
-                </h2>
                 <div style={styles.appointmentList}>
                   {upcomingAppointments.map((apt) => {
                     const status = getStatusDisplay(apt.status, true);
@@ -250,16 +246,14 @@ export default function AppointmentsPage() {
                             <div style={styles.appointmentTime}>
                               {formatDateTime(apt.slot_start)}
                             </div>
-                            {apt.note && (
+                            {apt.note && <div style={styles.appointmentNote}>{apt.note}</div>}
-                              <div style={styles.appointmentNote}>
+                            <span
-                                {apt.note}
+                              style={{
-                              </div>
-                            )}
-                            <span style={{
                                 ...styles.statusBadge,
                                 background: status.bgColor,
                                 color: status.textColor,
-                            }}>
+                              }}
+                            >
                               {status.text}
                             </span>
                           </div>
@@ -310,20 +304,19 @@ export default function AppointmentsPage() {
                   {pastOrCancelledAppointments.map((apt) => {
                     const status = getStatusDisplay(apt.status, true);
                     return (
-                      <div key={apt.id} style={{...styles.appointmentCard, ...styles.appointmentCardPast}}>
+                      <div
-                        <div style={styles.appointmentTime}>
+                        key={apt.id}
-                          {formatDateTime(apt.slot_start)}
+                        style={{ ...styles.appointmentCard, ...styles.appointmentCardPast }}
-                        </div>
+                      >
-                        {apt.note && (
+                        <div style={styles.appointmentTime}>{formatDateTime(apt.slot_start)}</div>
-                          <div style={styles.appointmentNote}>
+                        {apt.note && <div style={styles.appointmentNote}>{apt.note}</div>}
-                            {apt.note}
+                        <span
-                          </div>
+                          style={{
-                        )}
-                        <span style={{
                             ...styles.statusBadge,
                             background: status.bgColor,
                             color: status.textColor,
-                        }}>
+                          }}
+                        >
                           {status.text}
                         </span>
                       </div>
@@ -338,4 +331,3 @@ export default function AppointmentsPage() {
     </main>
   );
 }
-

frontend/app/audit/page.test.tsx

@@ -17,12 +17,10 @@ let mockUser: { id: number; email: string; roles: string[]; permissions: string[
 };
 let mockIsLoading = false;
 const mockLogout = vi.fn();
-const mockHasPermission = vi.fn((permission: string) =>
+const mockHasPermission = vi.fn(
-  mockUser?.permissions.includes(permission) ?? false
+  (permission: string) => mockUser?.permissions.includes(permission) ?? false
-);
-const mockHasRole = vi.fn((role: string) =>
-  mockUser?.roles.includes(role) ?? false
 );
+const mockHasRole = vi.fn((role: string) => mockUser?.roles.includes(role) ?? false);
 
 vi.mock("../auth-context", () => ({
   useAuth: () => ({
@@ -53,12 +51,10 @@ beforeEach(() => {
     permissions: ["view_audit"],
   };
   mockIsLoading = false;
-  mockHasPermission.mockImplementation((permission: string) =>
+  mockHasPermission.mockImplementation(
-    mockUser?.permissions.includes(permission) ?? false
+    (permission: string) => mockUser?.permissions.includes(permission) ?? false
-  );
-  mockHasRole.mockImplementation((role: string) =>
-    mockUser?.roles.includes(role) ?? false
   );
+  mockHasRole.mockImplementation((role: string) => mockUser?.roles.includes(role) ?? false);
   // Default: successful empty response
   mockFetch.mockResolvedValue({
     ok: true,

frontend/app/audit/page.tsx

@@ -42,9 +42,7 @@ export default function AuditPage() {
   const fetchSumRecords = useCallback(async (page: number) => {
     setSumError(null);
     try {
-      const data = await api.get<PaginatedSumRecords>(
+      const data = await api.get<PaginatedSumRecords>(`/api/audit/sum?page=${page}&per_page=10`);
-        `/api/audit/sum?page=${page}&per_page=10`
-      );
       setSumData(data);
     } catch (err) {
       setSumData(null);
@@ -90,9 +88,7 @@ export default function AuditPage() {
           <div style={styles.tableCard}>
             <div style={styles.tableHeader}>
               <h2 style={styles.tableTitle}>Counter Activity</h2>
-              <span style={styles.totalCount}>
+              <span style={styles.totalCount}>{counterData?.total ?? 0} records</span>
-                {counterData?.total ?? 0} records
-              </span>
             </div>
             <div style={styles.tableWrapper}>
               <table style={styles.table}>
@@ -107,10 +103,13 @@ export default function AuditPage() {
                 <tbody>
                   {counterError && (
                     <tr>
-                      <td colSpan={4} style={styles.errorRow}>{counterError}</td>
+                      <td colSpan={4} style={styles.errorRow}>
+                        {counterError}
+                      </td>
                     </tr>
                   )}
-                  {!counterError && counterData?.records.map((record) => (
+                  {!counterError &&
+                    counterData?.records.map((record) => (
                       <tr key={record.id} style={styles.tr}>
                         <td style={styles.td}>{record.user_email}</td>
                         <td style={styles.tdNum}>{record.value_before}</td>
@@ -120,7 +119,9 @@ export default function AuditPage() {
                     ))}
                   {!counterError && (!counterData || counterData.records.length === 0) && (
                     <tr>
-                      <td colSpan={4} style={styles.emptyRow}>No records yet</td>
+                      <td colSpan={4} style={styles.emptyRow}>
+                        No records yet
+                      </td>
                     </tr>
                   )}
                 </tbody>
@@ -153,9 +154,7 @@ export default function AuditPage() {
           <div style={styles.tableCard}>
             <div style={styles.tableHeader}>
               <h2 style={styles.tableTitle}>Sum Activity</h2>
-              <span style={styles.totalCount}>
+              <span style={styles.totalCount}>{sumData?.total ?? 0} records</span>
-                {sumData?.total ?? 0} records
-              </span>
             </div>
             <div style={styles.tableWrapper}>
               <table style={styles.table}>
@@ -171,10 +170,13 @@ export default function AuditPage() {
                 <tbody>
                   {sumError && (
                     <tr>
-                      <td colSpan={5} style={styles.errorRow}>{sumError}</td>
+                      <td colSpan={5} style={styles.errorRow}>
+                        {sumError}
+                      </td>
                     </tr>
                   )}
-                  {!sumError && sumData?.records.map((record) => (
+                  {!sumError &&
+                    sumData?.records.map((record) => (
                       <tr key={record.id} style={styles.tr}>
                         <td style={styles.td}>{record.user_email}</td>
                         <td style={styles.tdNum}>{record.a}</td>
@@ -185,7 +187,9 @@ export default function AuditPage() {
                     ))}
                   {!sumError && (!sumData || sumData.records.length === 0) && (
                     <tr>
-                      <td colSpan={5} style={styles.emptyRow}>No records yet</td>
+                      <td colSpan={5} style={styles.emptyRow}>
+                        No records yet
+                      </td>
                     </tr>
                   )}
                 </tbody>

frontend/app/auth-context.tsx

@@ -25,7 +25,7 @@ export const Permission = {
   CANCEL_ANY_APPOINTMENT: "cancel_any_appointment",
 } as const;
 
-export type PermissionType = typeof Permission[keyof typeof Permission];
+export type PermissionType = (typeof Permission)[keyof typeof Permission];
 
 // Use generated type from OpenAPI schema
 type User = components["schemas"]["UserResponse"];
@@ -100,13 +100,19 @@ export function AuthProvider({ children }: { children: ReactNode }) {
     setUser(null);
   };
 
-  const hasPermission = useCallback((permission: PermissionType): boolean => {
+  const hasPermission = useCallback(
+    (permission: PermissionType): boolean => {
       return user?.permissions.includes(permission) ?? false;
-  }, [user]);
+    },
+    [user]
+  );
 
-  const hasRole = useCallback((role: string): boolean => {
+  const hasRole = useCallback(
+    (role: string): boolean => {
       return user?.roles.includes(role) ?? false;
-  }, [user]);
+    },
+    [user]
+  );
 
   return (
     <AuthContext.Provider

frontend/app/booking/page.tsx

@@ -234,7 +234,10 @@ export default function BookingPage() {
   const [isLoadingAvailability, setIsLoadingAvailability] = useState(true);
 
   // Memoize dates to prevent infinite re-renders
-  const dates = useMemo(() => getDateRange(minAdvanceDays, maxAdvanceDays), [minAdvanceDays, maxAdvanceDays]);
+  const dates = useMemo(
+    () => getDateRange(minAdvanceDays, maxAdvanceDays),
+    [minAdvanceDays, maxAdvanceDays]
+  );
 
   const fetchSlots = useCallback(async (date: Date) => {
     setIsLoadingSlots(true);
@@ -317,7 +320,9 @@ export default function BookingPage() {
         note: note || null,
       });
 
-      setSuccessMessage(`Appointment booked for ${formatTime(appointment.slot_start)} - ${formatTime(appointment.slot_end)}`);
+      setSuccessMessage(
+        `Appointment booked for ${formatTime(appointment.slot_start)} - ${formatTime(appointment.slot_end)}`
+      );
       setSelectedSlot(null);
       setNote("");
 
@@ -359,13 +364,9 @@ export default function BookingPage() {
           Select a date to see available {slotDurationMinutes}-minute slots
         </p>
 
-        {successMessage && (
+        {successMessage && <div style={styles.successBanner}>{successMessage}</div>}
-          <div style={styles.successBanner}>{successMessage}</div>
-        )}
 
-        {error && (
+        {error && <div style={styles.errorBanner}>{error}</div>}
-          <div style={styles.errorBanner}>{error}</div>
-        )}
 
         {/* Date Selection */}
         <div style={styles.section}>
@@ -404,10 +405,11 @@ export default function BookingPage() {
         {selectedDate && (
           <div style={styles.section}>
             <h2 style={styles.sectionTitle}>
-              Available Slots for {selectedDate.toLocaleDateString("en-US", { 
+              Available Slots for{" "}
+              {selectedDate.toLocaleDateString("en-US", {
                 weekday: "long",
                 month: "long",
-                day: "numeric" 
+                day: "numeric",
               })}
             </h2>
 
@@ -442,23 +444,24 @@ export default function BookingPage() {
           <div style={styles.confirmCard}>
             <h3 style={styles.confirmTitle}>Confirm Booking</h3>
             <p style={styles.confirmTime}>
-              <strong>Time:</strong> {formatTime(selectedSlot.start_time)} - {formatTime(selectedSlot.end_time)}
+              <strong>Time:</strong> {formatTime(selectedSlot.start_time)} -{" "}
+              {formatTime(selectedSlot.end_time)}
             </p>
 
             <div>
-              <label style={styles.inputLabel}>
+              <label style={styles.inputLabel}>Note (optional, max {noteMaxLength} chars)</label>
-                Note (optional, max {noteMaxLength} chars)
-              </label>
               <textarea
                 value={note}
                 onChange={(e) => setNote(e.target.value.slice(0, noteMaxLength))}
                 placeholder="Add a note about your appointment..."
                 style={styles.textarea}
               />
-              <div style={{
+              <div
+                style={{
                   ...styles.charCount,
                   ...(note.length >= noteMaxLength ? styles.charCountWarning : {}),
-              }}>
+                }}
+              >
                 {note.length}/{noteMaxLength}
               </div>
             </div>
@@ -488,4 +491,3 @@ export default function BookingPage() {
     </main>
   );
 }
-

frontend/app/components/Header.tsx

@@ -7,7 +7,17 @@ import constants from "../../../shared/constants.json";
 
 const { ADMIN, REGULAR } = constants.roles;
 
-type PageId = "counter" | "sum" | "profile" | "invites" | "booking" | "appointments" | "audit" | "admin-invites" | "admin-availability" | "admin-appointments";
+type PageId =
+  | "counter"
+  | "sum"
+  | "profile"
+  | "invites"
+  | "booking"
+  | "appointments"
+  | "audit"
+  | "admin-invites"
+  | "admin-availability"
+  | "admin-appointments";
 
 interface HeaderProps {
   currentPage: PageId;
@@ -82,4 +92,3 @@ export function Header({ currentPage }: HeaderProps) {
     </div>
   );
 }
-

frontend/app/config.ts

@@ -1,2 +1 @@
 export const API_URL = process.env.NEXT_PUBLIC_API_URL || "http://localhost:8000";
-

frontend/app/hooks/useRequireAuth.ts

@@ -46,11 +46,13 @@ export function useRequireAuth(options: UseRequireAuthOptions = {}): UseRequireA
 
     if (!isAuthorized) {
       // Redirect to the most appropriate page based on permissions
-      const redirect = fallbackRedirect ?? (
+      const redirect =
-        hasPermission(Permission.VIEW_AUDIT) ? "/audit" :
+        fallbackRedirect ??
-        hasPermission(Permission.VIEW_COUNTER) ? "/" :
+        (hasPermission(Permission.VIEW_AUDIT)
-        "/login"
+          ? "/audit"
-      );
+          : hasPermission(Permission.VIEW_COUNTER)
+            ? "/"
+            : "/login");
       router.push(redirect);
     }
   }, [isLoading, user, isAuthorized, router, fallbackRedirect, hasPermission]);
@@ -61,4 +63,3 @@ export function useRequireAuth(options: UseRequireAuthOptions = {}): UseRequireA
     isAuthorized,
   };
 }
-

frontend/app/invites/page.tsx

@@ -80,38 +80,27 @@ export default function InvitesPage() {
         <div style={styles.pageCard}>
           <div style={styles.cardHeader}>
             <h1 style={styles.cardTitle}>My Invites</h1>
-            <p style={styles.cardSubtitle}>
+            <p style={styles.cardSubtitle}>Share your invite codes with friends to let them join</p>
-              Share your invite codes with friends to let them join
-            </p>
           </div>
 
           {invites.length === 0 ? (
             <div style={styles.emptyState}>
               <p style={styles.emptyText}>You don&apos;t have any invites yet.</p>
-              <p style={styles.emptyHint}>
+              <p style={styles.emptyHint}>Contact an admin if you need invite codes to share.</p>
-                Contact an admin if you need invite codes to share.
-              </p>
             </div>
           ) : (
             <div style={styles.sections}>
               {/* Ready Invites */}
               {readyInvites.length > 0 && (
                 <div style={styles.section}>
-                  <h2 style={styles.sectionTitle}>
+                  <h2 style={styles.sectionTitle}>Available ({readyInvites.length})</h2>
-                    Available ({readyInvites.length})
+                  <p style={styles.sectionHint}>Share these links with people you want to invite</p>
-                  </h2>
-                  <p style={styles.sectionHint}>
-                    Share these links with people you want to invite
-                  </p>
                   <div style={styles.inviteList}>
                     {readyInvites.map((invite) => (
                       <div key={invite.id} style={styles.inviteCard}>
                         <div style={styles.inviteCode}>{invite.identifier}</div>
                         <div style={styles.inviteActions}>
-                          <button
+                          <button onClick={() => copyToClipboard(invite)} style={styles.copyButton}>
-                            onClick={() => copyToClipboard(invite)}
-                            style={styles.copyButton}
-                          >
                             {copiedId === invite.id ? "Copied!" : "Copy Link"}
                           </button>
                         </div>
@@ -124,18 +113,14 @@ export default function InvitesPage() {
               {/* Spent Invites */}
               {spentInvites.length > 0 && (
                 <div style={styles.section}>
-                  <h2 style={styles.sectionTitle}>
+                  <h2 style={styles.sectionTitle}>Used ({spentInvites.length})</h2>
-                    Used ({spentInvites.length})
-                  </h2>
                   <div style={styles.inviteList}>
                     {spentInvites.map((invite) => (
                       <div key={invite.id} style={styles.inviteCardSpent}>
                         <div style={styles.inviteCode}>{invite.identifier}</div>
                         <div style={styles.inviteeMeta}>
                           <span style={styles.statusBadgeSpent}>Used</span>
-                          <span style={styles.inviteeEmail}>
+                          <span style={styles.inviteeEmail}>by {invite.used_by_email}</span>
-                            by {invite.used_by_email}
-                          </span>
                         </div>
                       </div>
                     ))}
@@ -146,9 +131,7 @@ export default function InvitesPage() {
               {/* Revoked Invites */}
               {revokedInvites.length > 0 && (
                 <div style={styles.section}>
-                  <h2 style={styles.sectionTitle}>
+                  <h2 style={styles.sectionTitle}>Revoked ({revokedInvites.length})</h2>
-                    Revoked ({revokedInvites.length})
-                  </h2>
                   <div style={styles.inviteList}>
                     {revokedInvites.map((invite) => (
                       <div key={invite.id} style={styles.inviteCardRevoked}>
@@ -324,4 +307,3 @@ const pageStyles: Record<string, React.CSSProperties> = {
 };
 
 const styles = { ...sharedStyles, ...pageStyles };
-

frontend/app/login/page.tsx

@@ -41,7 +41,9 @@ export default function LoginPage() {
             {error && <div style={styles.error}>{error}</div>}
 
             <div style={styles.field}>
-              <label htmlFor="email" style={styles.label}>Email</label>
+              <label htmlFor="email" style={styles.label}>
+                Email
+              </label>
               <input
                 id="email"
                 type="email"
@@ -54,7 +56,9 @@ export default function LoginPage() {
             </div>
 
             <div style={styles.field}>
-              <label htmlFor="password" style={styles.label}>Password</label>
+              <label htmlFor="password" style={styles.label}>
+                Password
+              </label>
               <input
                 id="password"
                 type="password"

frontend/app/page.test.tsx

@@ -19,12 +19,10 @@ let mockUser: { id: number; email: string; roles: string[]; permissions: string[
 };
 let mockIsLoading = false;
 const mockLogout = vi.fn();
-const mockHasPermission = vi.fn((permission: string) => 
+const mockHasPermission = vi.fn(
-  mockUser?.permissions.includes(permission) ?? false
+  (permission: string) => mockUser?.permissions.includes(permission) ?? false
-);
-const mockHasRole = vi.fn((role: string) => 
-  mockUser?.roles.includes(role) ?? false
 );
+const mockHasRole = vi.fn((role: string) => mockUser?.roles.includes(role) ?? false);
 
 vi.mock("./auth-context", () => ({
   useAuth: () => ({
@@ -52,12 +50,10 @@ beforeEach(() => {
     permissions: ["view_counter", "increment_counter", "use_sum"],
   };
   mockIsLoading = false;
-  mockHasPermission.mockImplementation((permission: string) =>
+  mockHasPermission.mockImplementation(
-    mockUser?.permissions.includes(permission) ?? false
+    (permission: string) => mockUser?.permissions.includes(permission) ?? false
-  );
-  mockHasRole.mockImplementation((role: string) =>
-    mockUser?.roles.includes(role) ?? false
   );
+  mockHasRole.mockImplementation((role: string) => mockUser?.roles.includes(role) ?? false);
 });
 
 afterEach(() => {

frontend/app/page.tsx

@@ -15,7 +15,8 @@ export default function Home() {
 
   useEffect(() => {
     if (user && isAuthorized) {
-      api.get<{ value: number }>("/api/counter")
+      api
+        .get<{ value: number }>("/api/counter")
         .then((data) => setCount(data.value))
         .catch(() => setCount(null));
     }

frontend/app/profile/page.test.tsx

@@ -162,7 +162,8 @@ describe("ProfilePage - Display", () => {
   test("displays empty fields when profile has null values", async () => {
     vi.spyOn(global, "fetch").mockResolvedValue({
       ok: true,
-      json: () => Promise.resolve({
+      json: () =>
+        Promise.resolve({
           contact_email: null,
           telegram: null,
           signal: null,
@@ -308,7 +309,8 @@ describe("ProfilePage - Form Behavior", () => {
   test("auto-prepends @ to telegram when user starts with letter", async () => {
     vi.spyOn(global, "fetch").mockResolvedValue({
       ok: true,
-      json: () => Promise.resolve({
+      json: () =>
+        Promise.resolve({
           contact_email: null,
           telegram: null,
           signal: null,
@@ -333,7 +335,8 @@ describe("ProfilePage - Form Behavior", () => {
   test("does not auto-prepend @ if user types @ first", async () => {
     vi.spyOn(global, "fetch").mockResolvedValue({
       ok: true,
-      json: () => Promise.resolve({
+      json: () =>
+        Promise.resolve({
           contact_email: null,
           telegram: null,
           signal: null,
@@ -358,10 +361,12 @@ describe("ProfilePage - Form Behavior", () => {
 
 describe("ProfilePage - Form Submission", () => {
   test("shows success toast after successful save", async () => {
-    const fetchSpy = vi.spyOn(global, "fetch")
+    const fetchSpy = vi
+      .spyOn(global, "fetch")
       .mockResolvedValueOnce({
         ok: true,
-        json: () => Promise.resolve({
+        json: () =>
+          Promise.resolve({
             contact_email: null,
             telegram: null,
             signal: null,
@@ -370,7 +375,8 @@ describe("ProfilePage - Form Submission", () => {
       } as Response)
       .mockResolvedValueOnce({
         ok: true,
-        json: () => Promise.resolve({
+        json: () =>
+          Promise.resolve({
             contact_email: "new@example.com",
             telegram: null,
             signal: null,
@@ -410,7 +416,8 @@ describe("ProfilePage - Form Submission", () => {
     vi.spyOn(global, "fetch")
       .mockResolvedValueOnce({
         ok: true,
-        json: () => Promise.resolve({
+        json: () =>
+          Promise.resolve({
             contact_email: null,
             telegram: null,
             signal: null,
@@ -420,7 +427,8 @@ describe("ProfilePage - Form Submission", () => {
       .mockResolvedValueOnce({
         ok: false,
         status: 422,
-        json: () => Promise.resolve({
+        json: () =>
+          Promise.resolve({
             detail: {
               field_errors: {
                 telegram: "Backend error: invalid handle",
@@ -452,7 +460,8 @@ describe("ProfilePage - Form Submission", () => {
     vi.spyOn(global, "fetch")
       .mockResolvedValueOnce({
         ok: true,
-        json: () => Promise.resolve({
+        json: () =>
+          Promise.resolve({
             contact_email: null,
             telegram: null,
             signal: null,
@@ -489,7 +498,8 @@ describe("ProfilePage - Form Submission", () => {
     vi.spyOn(global, "fetch")
       .mockResolvedValueOnce({
         ok: true,
-        json: () => Promise.resolve({
+        json: () =>
+          Promise.resolve({
             contact_email: null,
             telegram: null,
             signal: null,
@@ -519,7 +529,8 @@ describe("ProfilePage - Form Submission", () => {
     // Resolve the promise
     resolveSubmit!({
       ok: true,
-      json: () => Promise.resolve({
+      json: () =>
+        Promise.resolve({
           contact_email: "new@example.com",
           telegram: null,
           signal: null,
@@ -532,4 +543,3 @@ describe("ProfilePage - Form Submission", () => {
     });
   });
 });
-

frontend/app/profile/page.tsx

@@ -34,7 +34,8 @@ function validateEmail(value: string): string | undefined {
   if (!value) return undefined;
   // More comprehensive email regex that matches email-validator behavior
   // Checks for: local part, @, domain with at least one dot, valid TLD
-  const emailRegex = /^[a-zA-Z0-9.!#$%&'*+/=?^_`{|}~-]+@[a-zA-Z0-9](?:[a-zA-Z0-9-]{0,61}[a-zA-Z0-9])?(?:\.[a-zA-Z0-9](?:[a-zA-Z0-9-]{0,61}[a-zA-Z0-9])?)+$/;
+  const emailRegex =
+    /^[a-zA-Z0-9.!#$%&'*+/=?^_`{|}~-]+@[a-zA-Z0-9](?:[a-zA-Z0-9-]{0,61}[a-zA-Z0-9])?(?:\.[a-zA-Z0-9](?:[a-zA-Z0-9-]{0,61}[a-zA-Z0-9])?)+$/;
   if (!emailRegex.test(value)) {
     return "Please enter a valid email address";
   }
@@ -300,9 +301,7 @@ export default function ProfilePage() {
                 style={{ ...styles.input, ...styles.inputReadOnly }}
                 disabled
               />
-              <span style={styles.hint}>
+              <span style={styles.hint}>This is your login email and cannot be changed here.</span>
-                This is your login email and cannot be changed here.
-              </span>
             </div>
 
             {/* Godfather - shown if user was invited */}
@@ -315,9 +314,7 @@ export default function ProfilePage() {
                 <div style={styles.godfatherBox}>
                   <span style={styles.godfatherEmail}>{godfatherEmail}</span>
                 </div>
-                <span style={styles.hint}>
+                <span style={styles.hint}>The user who invited you to join.</span>
-                  The user who invited you to join.
-                </span>
               </div>
             )}
 
@@ -344,9 +341,7 @@ export default function ProfilePage() {
                 }}
                 placeholder="alternate@example.com"
               />
-              {errors.contact_email && (
+              {errors.contact_email && <span style={styles.errorText}>{errors.contact_email}</span>}
-                <span style={styles.errorText}>{errors.contact_email}</span>
-              )}
             </div>
 
             {/* Telegram */}
@@ -365,9 +360,7 @@ export default function ProfilePage() {
                 }}
                 placeholder="@username"
               />
-              {errors.telegram && (
+              {errors.telegram && <span style={styles.errorText}>{errors.telegram}</span>}
-                <span style={styles.errorText}>{errors.telegram}</span>
-              )}
             </div>
 
             {/* Signal */}
@@ -386,9 +379,7 @@ export default function ProfilePage() {
                 }}
                 placeholder="username.01"
               />
-              {errors.signal && (
+              {errors.signal && <span style={styles.errorText}>{errors.signal}</span>}
-                <span style={styles.errorText}>{errors.signal}</span>
-              )}
             </div>
 
             {/* Nostr npub */}
@@ -407,9 +398,7 @@ export default function ProfilePage() {
                 }}
                 placeholder="npub1..."
               />
-              {errors.nostr_npub && (
+              {errors.nostr_npub && <span style={styles.errorText}>{errors.nostr_npub}</span>}
-                <span style={styles.errorText}>{errors.nostr_npub}</span>
-              )}
             </div>
 
             <button

frontend/app/signup/[code]/page.tsx

@@ -25,7 +25,8 @@ export default function SignupWithCodePage() {
   }, [user, isLoading, code, router]);
 
   return (
-    <main style={{ 
+    <main
+      style={{
         minHeight: "100vh",
         display: "flex",
         alignItems: "center",
@@ -33,7 +34,8 @@ export default function SignupWithCodePage() {
         background: "linear-gradient(135deg, #0f0f23 0%, #1a1a3e 50%, #0f0f23 100%)",
         color: "rgba(255,255,255,0.6)",
         fontFamily: "'DM Sans', system-ui, sans-serif",
-    }}>
+      }}
+    >
       Redirecting...
     </main>
   );

frontend/app/signup/page.tsx

@@ -141,7 +141,9 @@ function SignupContent() {
               {inviteError && <div style={styles.error}>{inviteError}</div>}
 
               <div style={styles.field}>
-                <label htmlFor="inviteCode" style={styles.label}>Invite Code</label>
+                <label htmlFor="inviteCode" style={styles.label}>
+                  Invite Code
+                </label>
                 <input
                   id="inviteCode"
                   type="text"
@@ -156,7 +158,14 @@ function SignupContent() {
                   required
                   autoFocus
                 />
-                <span style={{ ...styles.link, fontSize: "0.8rem", marginTop: "0.5rem", display: "block" }}>
+                <span
+                  style={{
+                    ...styles.link,
+                    fontSize: "0.8rem",
+                    marginTop: "0.5rem",
+                    display: "block",
+                  }}
+                >
                   Ask your inviter for this code
                 </span>
               </div>
@@ -193,12 +202,17 @@ function SignupContent() {
           <div style={styles.header}>
             <h1 style={styles.title}>Create account</h1>
             <p style={styles.subtitle}>
-              Using invite: <code style={{ 
+              Using invite:{" "}
+              <code
+                style={{
                   background: "rgba(255,255,255,0.1)",
                   padding: "0.2rem 0.5rem",
                   borderRadius: "4px",
-                fontSize: "0.85rem"
+                  fontSize: "0.85rem",
-              }}>{inviteCode}</code>
+                }}
+              >
+                {inviteCode}
+              </code>
             </p>
           </div>
 
@@ -206,7 +220,9 @@ function SignupContent() {
             {error && <div style={styles.error}>{error}</div>}
 
             <div style={styles.field}>
-              <label htmlFor="email" style={styles.label}>Email</label>
+              <label htmlFor="email" style={styles.label}>
+                Email
+              </label>
               <input
                 id="email"
                 type="email"
@@ -220,7 +236,9 @@ function SignupContent() {
             </div>
 
             <div style={styles.field}>
-              <label htmlFor="password" style={styles.label}>Password</label>
+              <label htmlFor="password" style={styles.label}>
+                Password
+              </label>
               <input
                 id="password"
                 type="password"
@@ -233,7 +251,9 @@ function SignupContent() {
             </div>
 
             <div style={styles.field}>
-              <label htmlFor="confirmPassword" style={styles.label}>Confirm Password</label>
+              <label htmlFor="confirmPassword" style={styles.label}>
+                Confirm Password
+              </label>
               <input
                 id="confirmPassword"
                 type="password"
@@ -282,17 +302,17 @@ function SignupContent() {
 
 export default function SignupPage() {
   return (
-    <Suspense fallback={
+    <Suspense
+      fallback={
         <main style={styles.main}>
           <div style={styles.container}>
             <div style={styles.card}>
-            <div style={{ textAlign: "center", color: "rgba(255,255,255,0.6)" }}>
+              <div style={{ textAlign: "center", color: "rgba(255,255,255,0.6)" }}>Loading...</div>
-              Loading...
-            </div>
             </div>
           </div>
         </main>
-    }>
+      }
+    >
       <SignupContent />
     </Suspense>
   );

frontend/app/styles/auth-form.ts

@@ -103,4 +103,3 @@ export const authFormStyles: Record<string, CSSProperties> = {
     fontWeight: 500,
   },
 };
-

frontend/app/sum/page.tsx

@@ -84,17 +84,11 @@ export default function SumPage() {
                   />
                 </div>
               </div>
-              <button 
+              <button onClick={handleSum} style={styles.sumBtn} disabled={a === "" && b === ""}>
-                onClick={handleSum} 
-                style={styles.sumBtn}
-                disabled={a === "" && b === ""}
-              >
                 <span style={styles.equalsIcon}>=</span>
                 Calculate
               </button>
-              {error && (
+              {error && <div style={styles.error}>{error}</div>}
-                <div style={styles.error}>{error}</div>
-              )}
             </div>
           ) : (
             <div style={styles.resultSection}>

frontend/app/utils/appointment.ts

@@ -25,9 +25,12 @@ export function getStatusDisplay(status: string, isOwnView: boolean = false): St
         textColor: "#f87171",
       };
     case "cancelled_by_admin":
-      return { text: "Cancelled by admin", bgColor: "rgba(239, 68, 68, 0.2)", textColor: "#f87171" };
+      return {
+        text: "Cancelled by admin",
+        bgColor: "rgba(239, 68, 68, 0.2)",
+        textColor: "#f87171",
+      };
     default:
       return { text: status, bgColor: "rgba(255,255,255,0.1)", textColor: "rgba(255,255,255,0.6)" };
   }
 }
-

frontend/app/utils/date.ts

@@ -81,4 +81,3 @@ export function isWeekend(date: Date): boolean {
   const day = date.getDay();
   return day === 0 || day === 6;
 }
-

frontend/e2e/admin-invites.spec.ts

@@ -99,7 +99,11 @@ test.describe("Admin Invites Page", () => {
 
     // Wait for the new invite to appear and capture its code
     // The new invite should be the first row with godfather = REGULAR_USER_EMAIL and status = ready
-    const newInviteRow = page.locator("tr").filter({ hasText: REGULAR_USER_EMAIL }).filter({ hasText: "ready" }).first();
+    const newInviteRow = page
+      .locator("tr")
+      .filter({ hasText: REGULAR_USER_EMAIL })
+      .filter({ hasText: "ready" })
+      .first();
     await expect(newInviteRow).toBeVisible();
 
     // Get the invite code from this row (first cell)
@@ -161,4 +165,3 @@ test.describe("Admin Invites Access Control", () => {
     await expect(page).toHaveURL("/login");
   });
 });
-

frontend/e2e/appointments.spec.ts

@@ -17,7 +17,7 @@ async function createTestBooking(page: Page) {
   await loginUser(page, ADMIN_USER.email, ADMIN_USER.password);
 
   const adminCookies = await page.context().cookies();
-  const adminAuthCookie = adminCookies.find(c => c.name === "auth_token");
+  const adminAuthCookie = adminCookies.find((c) => c.name === "auth_token");
 
   if (!adminAuthCookie) throw new Error("No admin auth cookie");
 
@@ -37,7 +37,7 @@ async function createTestBooking(page: Page) {
   await loginUser(page, REGULAR_USER.email, REGULAR_USER.password);
 
   const userCookies = await page.context().cookies();
-  const userAuthCookie = userCookies.find(c => c.name === "auth_token");
+  const userAuthCookie = userCookies.find((c) => c.name === "auth_token");
 
   if (!userAuthCookie) throw new Error("No user auth cookie");
 
@@ -45,7 +45,7 @@ async function createTestBooking(page: Page) {
   const randomMinute = Math.floor(Math.random() * 11) * 15; // 0, 15, 30, 45 etc up to 165 min
   const hour = 9 + Math.floor(randomMinute / 60);
   const minute = randomMinute % 60;
-  const timeStr = `${String(hour).padStart(2, '0')}:${String(minute).padStart(2, '0')}:00`;
+  const timeStr = `${String(hour).padStart(2, "0")}:${String(minute).padStart(2, "0")}:00`;
 
   const response = await page.request.post(`${API_URL}/api/booking`, {
     headers: {
@@ -174,7 +174,7 @@ test.describe("Appointments API", () => {
     await loginUser(page, REGULAR_USER.email, REGULAR_USER.password);
 
     const cookies = await page.context().cookies();
-    const authCookie = cookies.find(c => c.name === "auth_token");
+    const authCookie = cookies.find((c) => c.name === "auth_token");
 
     if (authCookie) {
       const response = await page.request.get(`${API_URL}/api/appointments`, {
@@ -193,19 +193,16 @@ test.describe("Appointments API", () => {
     const booking = await createTestBooking(page);
 
     const cookies = await page.context().cookies();
-    const authCookie = cookies.find(c => c.name === "auth_token");
+    const authCookie = cookies.find((c) => c.name === "auth_token");
 
     if (authCookie && booking && booking.id) {
-      const response = await page.request.post(
+      const response = await page.request.post(`${API_URL}/api/appointments/${booking.id}/cancel`, {
-        `${API_URL}/api/appointments/${booking.id}/cancel`,
-        {
         headers: {
           Cookie: `auth_token=${authCookie.value}`,
           "Content-Type": "application/json",
         },
         data: {},
-        }
+      });
-      );
 
       expect(response.status()).toBe(200);
       const data = await response.json();
@@ -218,7 +215,7 @@ test.describe("Appointments API", () => {
     await loginUser(page, ADMIN_USER.email, ADMIN_USER.password);
 
     const cookies = await page.context().cookies();
-    const authCookie = cookies.find(c => c.name === "auth_token");
+    const authCookie = cookies.find((c) => c.name === "auth_token");
 
     if (authCookie) {
       const response = await page.request.get(`${API_URL}/api/appointments`, {
@@ -231,4 +228,3 @@ test.describe("Appointments API", () => {
     }
   });
 });
-

frontend/e2e/auth.spec.ts

@@ -61,7 +61,7 @@ test.describe("Authentication Flow", () => {
   test("signup page has invite code form", async ({ page }) => {
     await page.goto("/signup");
     await expect(page.locator("h1")).toHaveText("Join with Invite");
-    await expect(page.locator('input#inviteCode')).toBeVisible();
+    await expect(page.locator("input#inviteCode")).toBeVisible();
     await expect(page.locator('button[type="submit"]')).toHaveText("Continue");
     await expect(page.locator('a[href="/login"]')).toBeVisible();
   });
@@ -80,19 +80,22 @@ test.describe("Authentication Flow", () => {
 });
 
 test.describe("Logged-in User Visiting Invite URL", () => {
-  test("redirects to home when logged-in user visits direct invite URL", async ({ page, request }) => {
+  test("redirects to home when logged-in user visits direct invite URL", async ({
+    page,
+    request,
+  }) => {
     const email = uniqueEmail();
     const inviteCode = await createInvite(request);
 
     // First sign up to create a user
     await page.goto("/signup");
-    await page.fill('input#inviteCode', inviteCode);
+    await page.fill("input#inviteCode", inviteCode);
     await page.click('button[type="submit"]');
     await expect(page.locator("h1")).toHaveText("Create account");
 
-    await page.fill('input#email', email);
+    await page.fill("input#email", email);
-    await page.fill('input#password', "password123");
+    await page.fill("input#password", "password123");
-    await page.fill('input#confirmPassword', "password123");
+    await page.fill("input#confirmPassword", "password123");
     await page.click('button[type="submit"]');
     await expect(page).toHaveURL("/");
 
@@ -110,13 +113,13 @@ test.describe("Logged-in User Visiting Invite URL", () => {
 
     // Sign up and stay logged in
     await page.goto("/signup");
-    await page.fill('input#inviteCode', inviteCode);
+    await page.fill("input#inviteCode", inviteCode);
     await page.click('button[type="submit"]');
     await expect(page.locator("h1")).toHaveText("Create account");
 
-    await page.fill('input#email', email);
+    await page.fill("input#email", email);
-    await page.fill('input#password', "password123");
+    await page.fill("input#password", "password123");
-    await page.fill('input#confirmPassword', "password123");
+    await page.fill("input#confirmPassword", "password123");
     await page.click('button[type="submit"]');
     await expect(page).toHaveURL("/");
 
@@ -138,16 +141,16 @@ test.describe("Signup with Invite", () => {
     await page.goto("/signup");
 
     // Step 1: Enter invite code
-    await page.fill('input#inviteCode', inviteCode);
+    await page.fill("input#inviteCode", inviteCode);
     await page.click('button[type="submit"]');
 
     // Wait for form to transition to registration form
     await expect(page.locator("h1")).toHaveText("Create account");
 
     // Step 2: Fill registration form
-    await page.fill('input#email', email);
+    await page.fill("input#email", email);
-    await page.fill('input#password', "password123");
+    await page.fill("input#password", "password123");
-    await page.fill('input#confirmPassword', "password123");
+    await page.fill("input#confirmPassword", "password123");
     await page.click('button[type="submit"]');
 
     // Should redirect to home after signup
@@ -170,9 +173,9 @@ test.describe("Signup with Invite", () => {
     await expect(page.locator("h1")).toHaveText("Create account");
 
     // Fill registration form
-    await page.fill('input#email', email);
+    await page.fill("input#email", email);
-    await page.fill('input#password', "password123");
+    await page.fill("input#password", "password123");
-    await page.fill('input#confirmPassword', "password123");
+    await page.fill("input#confirmPassword", "password123");
     await page.click('button[type="submit"]');
 
     // Should redirect to home
@@ -181,7 +184,7 @@ test.describe("Signup with Invite", () => {
 
   test("shows error for invalid invite code", async ({ page }) => {
     await page.goto("/signup");
-    await page.fill('input#inviteCode', "fake-code-99");
+    await page.fill("input#inviteCode", "fake-code-99");
     await page.click('button[type="submit"]');
 
     // Should show error
@@ -192,14 +195,14 @@ test.describe("Signup with Invite", () => {
     const inviteCode = await createInvite(request);
 
     await page.goto("/signup");
-    await page.fill('input#inviteCode', inviteCode);
+    await page.fill("input#inviteCode", inviteCode);
     await page.click('button[type="submit"]');
 
     await expect(page.locator("h1")).toHaveText("Create account");
 
-    await page.fill('input#email', uniqueEmail());
+    await page.fill("input#email", uniqueEmail());
-    await page.fill('input#password', "password123");
+    await page.fill("input#password", "password123");
-    await page.fill('input#confirmPassword', "differentpassword");
+    await page.fill("input#confirmPassword", "differentpassword");
     await page.click('button[type="submit"]');
 
     await expect(page.getByText("Passwords do not match")).toBeVisible();
@@ -209,14 +212,14 @@ test.describe("Signup with Invite", () => {
     const inviteCode = await createInvite(request);
 
     await page.goto("/signup");
-    await page.fill('input#inviteCode', inviteCode);
+    await page.fill("input#inviteCode", inviteCode);
     await page.click('button[type="submit"]');
 
     await expect(page.locator("h1")).toHaveText("Create account");
 
-    await page.fill('input#email', uniqueEmail());
+    await page.fill("input#email", uniqueEmail());
-    await page.fill('input#password', "short");
+    await page.fill("input#password", "short");
-    await page.fill('input#confirmPassword', "short");
+    await page.fill("input#confirmPassword", "short");
     await page.click('button[type="submit"]');
 
     await expect(page.getByText("Password must be at least 6 characters")).toBeVisible();
@@ -292,13 +295,13 @@ test.describe("Logout", () => {
 
     // Sign up
     await page.goto("/signup");
-    await page.fill('input#inviteCode', inviteCode);
+    await page.fill("input#inviteCode", inviteCode);
     await page.click('button[type="submit"]');
     await expect(page.locator("h1")).toHaveText("Create account");
 
-    await page.fill('input#email', email);
+    await page.fill("input#email", email);
-    await page.fill('input#password', "password123");
+    await page.fill("input#password", "password123");
-    await page.fill('input#confirmPassword', "password123");
+    await page.fill("input#confirmPassword", "password123");
     await page.click('button[type="submit"]');
     await expect(page).toHaveURL("/");
 
@@ -315,13 +318,13 @@ test.describe("Logout", () => {
 
     // Sign up
     await page.goto("/signup");
-    await page.fill('input#inviteCode', inviteCode);
+    await page.fill("input#inviteCode", inviteCode);
     await page.click('button[type="submit"]');
     await expect(page.locator("h1")).toHaveText("Create account");
 
-    await page.fill('input#email', email);
+    await page.fill("input#email", email);
-    await page.fill('input#password', "password123");
+    await page.fill("input#password", "password123");
-    await page.fill('input#confirmPassword', "password123");
+    await page.fill("input#confirmPassword", "password123");
     await page.click('button[type="submit"]');
     await expect(page).toHaveURL("/");
 
@@ -342,13 +345,13 @@ test.describe("Session Persistence", () => {
 
     // Sign up
     await page.goto("/signup");
-    await page.fill('input#inviteCode', inviteCode);
+    await page.fill("input#inviteCode", inviteCode);
     await page.click('button[type="submit"]');
     await expect(page.locator("h1")).toHaveText("Create account");
 
-    await page.fill('input#email', email);
+    await page.fill("input#email", email);
-    await page.fill('input#password', "password123");
+    await page.fill("input#password", "password123");
-    await page.fill('input#confirmPassword', "password123");
+    await page.fill("input#confirmPassword", "password123");
     await page.click('button[type="submit"]');
     await expect(page).toHaveURL("/");
     await expect(page.getByText(email)).toBeVisible();
@@ -366,13 +369,13 @@ test.describe("Session Persistence", () => {
     const inviteCode = await createInvite(request);
 
     await page.goto("/signup");
-    await page.fill('input#inviteCode', inviteCode);
+    await page.fill("input#inviteCode", inviteCode);
     await page.click('button[type="submit"]');
     await expect(page.locator("h1")).toHaveText("Create account");
 
-    await page.fill('input#email', email);
+    await page.fill("input#email", email);
-    await page.fill('input#password', "password123");
+    await page.fill("input#password", "password123");
-    await page.fill('input#confirmPassword', "password123");
+    await page.fill("input#confirmPassword", "password123");
     await page.click('button[type="submit"]');
     await expect(page).toHaveURL("/");
 
@@ -388,13 +391,13 @@ test.describe("Session Persistence", () => {
     const inviteCode = await createInvite(request);
 
     await page.goto("/signup");
-    await page.fill('input#inviteCode', inviteCode);
+    await page.fill("input#inviteCode", inviteCode);
     await page.click('button[type="submit"]');
     await expect(page.locator("h1")).toHaveText("Create account");
 
-    await page.fill('input#email', email);
+    await page.fill("input#email", email);
-    await page.fill('input#password', "password123");
+    await page.fill("input#password", "password123");
-    await page.fill('input#confirmPassword', "password123");
+    await page.fill("input#confirmPassword", "password123");
     await page.click('button[type="submit"]');
     await expect(page).toHaveURL("/");
 

frontend/e2e/availability.spec.ts

@@ -68,20 +68,23 @@ test.describe("Availability Page - Admin Access", () => {
 
     // Find a day card with "No availability" and click on it
     // This ensures we're clicking on a day without existing slots
-    const dayCardWithNoAvailability = page.locator('[data-testid^="day-card-"]').filter({
+    const dayCardWithNoAvailability = page
-      has: page.getByText("No availability")
+      .locator('[data-testid^="day-card-"]')
-    }).first();
+      .filter({
+        has: page.getByText("No availability"),
+      })
+      .first();
     await dayCardWithNoAvailability.click();
 
     // Wait for modal
     await expect(page.getByRole("heading", { name: /Edit Availability/ })).toBeVisible();
 
     // Set up listeners for both PUT and GET before clicking Save to avoid race condition
-    const putPromise = page.waitForResponse(resp => 
+    const putPromise = page.waitForResponse(
-      resp.url().includes("/api/admin/availability") && resp.request().method() === "PUT"
+      (resp) => resp.url().includes("/api/admin/availability") && resp.request().method() === "PUT"
     );
-    const getPromise = page.waitForResponse(resp => 
+    const getPromise = page.waitForResponse(
-      resp.url().includes("/api/admin/availability") && resp.request().method() === "GET"
+      (resp) => resp.url().includes("/api/admin/availability") && resp.request().method() === "GET"
     );
     await page.getByRole("button", { name: "Save" }).click();
     await putPromise;
@@ -101,12 +104,15 @@ test.describe("Availability Page - Admin Access", () => {
     await page.waitForLoadState("networkidle");
 
     // Find a day card with "No availability" and click on it
-    const dayCardWithNoAvailability = page.locator('[data-testid^="day-card-"]').filter({
+    const dayCardWithNoAvailability = page
-      has: page.getByText("No availability")
+      .locator('[data-testid^="day-card-"]')
-    }).first();
+      .filter({
+        has: page.getByText("No availability"),
+      })
+      .first();
 
     // Get the testid so we can find the same card later
-    const testId = await dayCardWithNoAvailability.getAttribute('data-testid');
+    const testId = await dayCardWithNoAvailability.getAttribute("data-testid");
     const targetCard = page.locator(`[data-testid="${testId}"]`);
 
     // First add availability
@@ -114,11 +120,11 @@ test.describe("Availability Page - Admin Access", () => {
     await expect(page.getByRole("heading", { name: /Edit Availability/ })).toBeVisible();
 
     // Set up listeners for both PUT and GET before clicking Save to avoid race condition
-    const savePutPromise = page.waitForResponse(resp => 
+    const savePutPromise = page.waitForResponse(
-      resp.url().includes("/api/admin/availability") && resp.request().method() === "PUT"
+      (resp) => resp.url().includes("/api/admin/availability") && resp.request().method() === "PUT"
     );
-    const saveGetPromise = page.waitForResponse(resp => 
+    const saveGetPromise = page.waitForResponse(
-      resp.url().includes("/api/admin/availability") && resp.request().method() === "GET"
+      (resp) => resp.url().includes("/api/admin/availability") && resp.request().method() === "GET"
     );
     await page.getByRole("button", { name: "Save" }).click();
     await savePutPromise;
@@ -133,11 +139,11 @@ test.describe("Availability Page - Admin Access", () => {
     await expect(page.getByRole("heading", { name: /Edit Availability/ })).toBeVisible();
 
     // Set up listeners for both PUT and GET before clicking Clear to avoid race condition
-    const clearPutPromise = page.waitForResponse(resp => 
+    const clearPutPromise = page.waitForResponse(
-      resp.url().includes("/api/admin/availability") && resp.request().method() === "PUT"
+      (resp) => resp.url().includes("/api/admin/availability") && resp.request().method() === "PUT"
     );
-    const clearGetPromise = page.waitForResponse(resp => 
+    const clearGetPromise = page.waitForResponse(
-      resp.url().includes("/api/admin/availability") && resp.request().method() === "GET"
+      (resp) => resp.url().includes("/api/admin/availability") && resp.request().method() === "GET"
     );
     await page.getByRole("button", { name: "Clear All" }).click();
     await clearPutPromise;
@@ -157,10 +163,13 @@ test.describe("Availability Page - Admin Access", () => {
     await page.waitForLoadState("networkidle");
 
     // Find a day card with "No availability" and click on it (to avoid conflicts with booking tests)
-    const dayCardWithNoAvailability = page.locator('[data-testid^="day-card-"]').filter({
+    const dayCardWithNoAvailability = page
-      has: page.getByText("No availability")
+      .locator('[data-testid^="day-card-"]')
-    }).first();
+      .filter({
-    const testId = await dayCardWithNoAvailability.getAttribute('data-testid');
+        has: page.getByText("No availability"),
+      })
+      .first();
+    const testId = await dayCardWithNoAvailability.getAttribute("data-testid");
     const targetCard = page.locator(`[data-testid="${testId}"]`);
     await dayCardWithNoAvailability.click();
 
@@ -178,11 +187,11 @@ test.describe("Availability Page - Admin Access", () => {
     await timeSelects.nth(3).selectOption("17:00"); // Second slot end
 
     // Set up listeners for both PUT and GET before clicking Save to avoid race condition
-    const putPromise = page.waitForResponse(resp => 
+    const putPromise = page.waitForResponse(
-      resp.url().includes("/api/admin/availability") && resp.request().method() === "PUT"
+      (resp) => resp.url().includes("/api/admin/availability") && resp.request().method() === "PUT"
     );
-    const getPromise = page.waitForResponse(resp => 
+    const getPromise = page.waitForResponse(
-      resp.url().includes("/api/admin/availability") && resp.request().method() === "GET"
+      (resp) => resp.url().includes("/api/admin/availability") && resp.request().method() === "GET"
     );
     await page.getByRole("button", { name: "Save" }).click();
     await putPromise;
@@ -231,7 +240,7 @@ test.describe("Availability API", () => {
     await loginUser(page, ADMIN_USER.email, ADMIN_USER.password);
 
     const cookies = await page.context().cookies();
-    const authCookie = cookies.find(c => c.name === "auth_token");
+    const authCookie = cookies.find((c) => c.name === "auth_token");
 
     if (authCookie) {
       const dateStr = getTomorrowDateStr();
@@ -259,7 +268,7 @@ test.describe("Availability API", () => {
     await loginUser(page, REGULAR_USER.email, REGULAR_USER.password);
 
     const cookies = await page.context().cookies();
-    const authCookie = cookies.find(c => c.name === "auth_token");
+    const authCookie = cookies.find((c) => c.name === "auth_token");
 
     if (authCookie) {
       const dateStr = getTomorrowDateStr();
@@ -277,4 +286,3 @@ test.describe("Availability API", () => {
     }
   });
 });
-

frontend/e2e/booking.spec.ts

@@ -11,7 +11,7 @@ import { API_URL, REGULAR_USER, ADMIN_USER, clearAuth, loginUser } from "./helpe
 // Set up availability for a date using the API with retry logic
 async function setAvailability(page: Page, dateStr: string, maxRetries = 3) {
   const cookies = await page.context().cookies();
-  const authCookie = cookies.find(c => c.name === "auth_token");
+  const authCookie = cookies.find((c) => c.name === "auth_token");
 
   if (!authCookie) {
     throw new Error("No auth cookie found when trying to set availability");
@@ -76,7 +76,9 @@ test.describe("Booking Page - Regular User Access", () => {
 
     await expect(page.getByRole("heading", { name: "Select a Date" })).toBeVisible();
     // Should see multiple date buttons
-    const dateButtons = page.locator("button").filter({ hasText: /^(Mon|Tue|Wed|Thu|Fri|Sat|Sun)/ });
+    const dateButtons = page
+      .locator("button")
+      .filter({ hasText: /^(Mon|Tue|Wed|Thu|Fri|Sat|Sun)/ });
     await expect(dateButtons.first()).toBeVisible();
   });
 
@@ -94,7 +96,9 @@ test.describe("Booking Page - Regular User Access", () => {
     await page.waitForTimeout(2000);
 
     // Find an enabled date button (one with availability)
-    const dateButtons = page.locator("button").filter({ hasText: /^(Mon|Tue|Wed|Thu|Fri|Sat|Sun)/ });
+    const dateButtons = page
+      .locator("button")
+      .filter({ hasText: /^(Mon|Tue|Wed|Thu|Fri|Sat|Sun)/ });
     let enabledButton = null;
     const buttonCount = await dateButtons.count();
     for (let i = 0; i < buttonCount; i++) {
@@ -122,7 +126,9 @@ test.describe("Booking Page - Regular User Access", () => {
 
     // Find an enabled date button (one that has availability or is still loading)
     // If all dates are disabled, we can't test clicking, so verify disabled state
-    const dateButtons = page.locator("button").filter({ hasText: /^(Mon|Tue|Wed|Thu|Fri|Sat|Sun)/ });
+    const dateButtons = page
+      .locator("button")
+      .filter({ hasText: /^(Mon|Tue|Wed|Thu|Fri|Sat|Sun)/ });
     const enabledButtons = dateButtons.filter({ hasNotText: /disabled/ });
     const enabledCount = await enabledButtons.count();
 
@@ -173,7 +179,10 @@ test.describe("Booking Page - With Availability", () => {
     const weekday = tomorrow.toLocaleDateString("en-US", { weekday: "short" });
 
     // Click tomorrow's date using the weekday name
-    const dateButton = page.locator("button").filter({ hasText: new RegExp(`^${weekday}`) }).first();
+    const dateButton = page
+      .locator("button")
+      .filter({ hasText: new RegExp(`^${weekday}`) })
+      .first();
     await dateButton.click();
 
     // Wait for "Available Slots" section to appear
@@ -197,7 +206,10 @@ test.describe("Booking Page - With Availability", () => {
     const weekday = tomorrow.toLocaleDateString("en-US", { weekday: "short" });
 
     // Click tomorrow's date
-    const dateButton = page.locator("button").filter({ hasText: new RegExp(`^${weekday}`) }).first();
+    const dateButton = page
+      .locator("button")
+      .filter({ hasText: new RegExp(`^${weekday}`) })
+      .first();
     await dateButton.click();
 
     // Wait for any slot to appear
@@ -222,7 +234,10 @@ test.describe("Booking Page - With Availability", () => {
     const weekday = tomorrow.toLocaleDateString("en-US", { weekday: "short" });
 
     // Click tomorrow's date
-    const dateButton = page.locator("button").filter({ hasText: new RegExp(`^${weekday}`) }).first();
+    const dateButton = page
+      .locator("button")
+      .filter({ hasText: new RegExp(`^${weekday}`) })
+      .first();
     await dateButton.click();
 
     // Wait for slots to load
@@ -252,7 +267,10 @@ test.describe("Booking Page - With Availability", () => {
     const weekday = tomorrow.toLocaleDateString("en-US", { weekday: "short" });
 
     // Click tomorrow's date
-    const dateButton = page.locator("button").filter({ hasText: new RegExp(`^${weekday}`) }).first();
+    const dateButton = page
+      .locator("button")
+      .filter({ hasText: new RegExp(`^${weekday}`) })
+      .first();
     await dateButton.click();
 
     // Wait for slots to load
@@ -272,7 +290,9 @@ test.describe("Booking Page - With Availability", () => {
     await page.getByRole("button", { name: "Book Appointment" }).click();
 
     // Wait for booking form to disappear (indicates booking completed)
-    await expect(page.getByRole("button", { name: "Book Appointment" })).not.toBeVisible({ timeout: 10000 });
+    await expect(page.getByRole("button", { name: "Book Appointment" })).not.toBeVisible({
+      timeout: 10000,
+    });
 
     // Wait for success message
     await expect(page.getByText(/Appointment booked/)).toBeVisible();
@@ -325,7 +345,7 @@ test.describe("Booking API", () => {
     await loginUser(page, REGULAR_USER.email, REGULAR_USER.password);
 
     const cookies = await page.context().cookies();
-    const authCookie = cookies.find(c => c.name === "auth_token");
+    const authCookie = cookies.find((c) => c.name === "auth_token");
 
     if (authCookie) {
       // Use 11:45 to avoid conflicts with other tests using 10:00
@@ -354,7 +374,7 @@ test.describe("Booking API", () => {
     await setAvailability(page, dateStr);
 
     const cookies = await page.context().cookies();
-    const authCookie = cookies.find(c => c.name === "auth_token");
+    const authCookie = cookies.find((c) => c.name === "auth_token");
 
     if (authCookie) {
       const response = await request.post(`${API_URL}/api/booking`, {
@@ -371,4 +391,3 @@ test.describe("Booking API", () => {
     }
   });
 });
-

frontend/e2e/counter.spec.ts

@@ -38,7 +38,7 @@ async function authenticate(page: Page, request: APIRequestContext): Promise<str
   await page.goto("/signup");
 
   // Enter invite code first
-  await page.fill('input#inviteCode', inviteCode);
+  await page.fill("input#inviteCode", inviteCode);
 
   // Click and wait for invite check API to complete
   await Promise.all([
@@ -50,9 +50,9 @@ async function authenticate(page: Page, request: APIRequestContext): Promise<str
   await expect(page.locator("h1")).toHaveText("Create account");
 
   // Fill registration
-  await page.fill('input#email', email);
+  await page.fill("input#email", email);
-  await page.fill('input#password', "password123");
+  await page.fill("input#password", "password123");
-  await page.fill('input#confirmPassword', "password123");
+  await page.fill("input#confirmPassword", "password123");
   await page.click('button[type="submit"]');
 
   await expect(page).toHaveURL("/");
@@ -177,13 +177,13 @@ test.describe("Counter - Session Integration", () => {
 
     // Sign up with invite
     await page.goto("/signup");
-    await page.fill('input#inviteCode', inviteCode);
+    await page.fill("input#inviteCode", inviteCode);
     await page.click('button[type="submit"]');
     await expect(page.locator("h1")).toHaveText("Create account");
 
-    await page.fill('input#email', email);
+    await page.fill("input#email", email);
-    await page.fill('input#password', "password123");
+    await page.fill("input#password", "password123");
-    await page.fill('input#confirmPassword', "password123");
+    await page.fill("input#confirmPassword", "password123");
     await page.click('button[type="submit"]');
     await expect(page).toHaveURL("/");
 

frontend/e2e/helpers/auth.ts

@@ -37,4 +37,3 @@ export async function loginUser(page: Page, email: string, password: string) {
   await page.click('button[type="submit"]');
   await page.waitForURL((url) => !url.pathname.includes("/login"), { timeout: 10000 });
 }
-

frontend/e2e/helpers/date.ts

@@ -20,4 +20,3 @@ export function getTomorrowDateStr(): string {
   tomorrow.setDate(tomorrow.getDate() + 1);
   return formatDateLocal(tomorrow);
 }
-

frontend/e2e/permissions.spec.ts

@@ -18,7 +18,9 @@ const API_URL = process.env.NEXT_PUBLIC_API_URL || "http://localhost:8000";
 function getRequiredEnv(name: string): string {
   const value = process.env[name];
   if (!value) {
-    throw new Error(`Required environment variable ${name} is not set. Run 'source .env' or set it in your environment.`);
+    throw new Error(
+      `Required environment variable ${name} is not set. Run 'source .env' or set it in your environment.`
+    );
   }
   return value;
 }
@@ -231,7 +233,7 @@ test.describe("Permission Boundary via API", () => {
 
     // Get cookies
     const cookies = await page.context().cookies();
-    const authCookie = cookies.find(c => c.name === "auth_token");
+    const authCookie = cookies.find((c) => c.name === "auth_token");
 
     if (authCookie) {
       // Try to call audit API directly
@@ -252,7 +254,7 @@ test.describe("Permission Boundary via API", () => {
 
     // Get cookies
     const cookies = await page.context().cookies();
-    const authCookie = cookies.find(c => c.name === "auth_token");
+    const authCookie = cookies.find((c) => c.name === "auth_token");
 
     if (authCookie) {
       // Try to call counter API directly
@@ -301,4 +303,3 @@ test.describe("Session and Logout", () => {
     await expect(page).toHaveURL("/login");
   });
 });
-

frontend/e2e/profile.spec.ts

@@ -51,7 +51,7 @@ async function loginUser(page: Page, email: string, password: string) {
 // Helper to clear profile data via API
 async function clearProfileData(page: Page) {
   const cookies = await page.context().cookies();
-  const authCookie = cookies.find(c => c.name === "auth_token");
+  const authCookie = cookies.find((c) => c.name === "auth_token");
 
   if (authCookie) {
     await page.request.put(`${API_URL}/api/profile`, {
@@ -332,7 +332,7 @@ test.describe("Profile - Admin User Access", () => {
 
   test("admin API call to profile returns 403", async ({ page, request }) => {
     const cookies = await page.context().cookies();
-    const authCookie = cookies.find(c => c.name === "auth_token");
+    const authCookie = cookies.find((c) => c.name === "auth_token");
 
     if (authCookie) {
       // Try to call profile API directly
@@ -362,4 +362,3 @@ test.describe("Profile - Unauthenticated Access", () => {
     expect(response.status()).toBe(401);
   });
 });
-

frontend/eslint.config.js

@@ -1,31 +1,26 @@
-import eslint from '@eslint/js';
+import eslint from "@eslint/js";
-import tseslint from 'typescript-eslint';
+import tseslint from "typescript-eslint";
-import reactHooks from 'eslint-plugin-react-hooks';
+import reactHooks from "eslint-plugin-react-hooks";
 
 export default tseslint.config(
   eslint.configs.recommended,
   ...tseslint.configs.recommended,
   {
     plugins: {
-      'react-hooks': reactHooks,
+      "react-hooks": reactHooks,
     },
     rules: {
       ...reactHooks.configs.recommended.rules,
-      '@typescript-eslint/no-unused-vars': [
+      "@typescript-eslint/no-unused-vars": [
-        'error',
+        "error",
-        { argsIgnorePattern: '^_', varsIgnorePattern: '^_' },
+        { argsIgnorePattern: "^_", varsIgnorePattern: "^_" },
       ],
       // Downgrade to warnings - existing patterns use these
-      'react-hooks/exhaustive-deps': 'warn',
+      "react-hooks/exhaustive-deps": "warn",
-      'react-hooks/set-state-in-effect': 'off',
+      "react-hooks/set-state-in-effect": "off",
     },
   },
   {
-    ignores: [
+    ignores: [".next/**", "node_modules/**", "app/generated/**"],
-      '.next/**',
-      'node_modules/**',
-      'app/generated/**',
-    ],
   }
 );
-

frontend/next.config.ts

@@ -3,4 +3,3 @@ import type { NextConfig } from "next";
 const nextConfig: NextConfig = {};
 
 export default nextConfig;
-

frontend/package-lock.json

@@ -24,6 +24,7 @@
         "eslint-plugin-react-hooks": "^7.0.1",
         "jsdom": "^26.0.0",
         "openapi-typescript": "^7.10.1",
+        "prettier": "^3.7.4",
         "typescript": "5.9.3",
         "typescript-eslint": "^8.50.0",
         "vitest": "^2.1.8"
@@ -4293,6 +4294,22 @@
         "node": ">= 0.8.0"
       }
     },
+    "node_modules/prettier": {
+      "version": "3.7.4",
+      "resolved": "https://registry.npmjs.org/prettier/-/prettier-3.7.4.tgz",
+      "integrity": "sha512-v6UNi1+3hSlVvv8fSaoUbggEM5VErKmmpGA7Pl3HF8V6uKY7rvClBOJlH6yNwQtfTueNkGVpOv/mtWL9L4bgRA==",
+      "dev": true,
+      "license": "MIT",
+      "bin": {
+        "prettier": "bin/prettier.cjs"
+      },
+      "engines": {
+        "node": ">=14"
+      },
+      "funding": {
+        "url": "https://github.com/prettier/prettier?sponsor=1"
+      }
+    },
     "node_modules/pretty-format": {
       "version": "27.5.1",
       "resolved": "https://registry.npmjs.org/pretty-format/-/pretty-format-27.5.1.tgz",

frontend/package.json

@@ -11,7 +11,9 @@
     "test:e2e": "playwright test",
     "generate-api-types": "openapi-typescript http://localhost:8000/openapi.json -o app/generated/api.ts",
     "lint": "eslint .",
-    "lint:fix": "eslint . --fix"
+    "lint:fix": "eslint . --fix",
+    "format": "prettier --write .",
+    "format:check": "prettier --check ."
   },
   "dependencies": {
     "bech32": "^2.0.0",
@@ -30,6 +32,7 @@
     "eslint-plugin-react-hooks": "^7.0.1",
     "jsdom": "^26.0.0",
     "openapi-typescript": "^7.10.1",
+    "prettier": "^3.7.4",
     "typescript": "5.9.3",
     "typescript-eslint": "^8.50.0",
     "vitest": "^2.1.8"

frontend/playwright.config.ts

@@ -15,4 +15,3 @@ export default defineConfig({
     baseURL: "http://localhost:3000",
   },
 });
-

frontend/tsconfig.json

@@ -19,4 +19,3 @@
   "include": ["next-env.d.ts", "**/*.ts", "**/*.tsx", ".next/types/**/*.ts"],
   "exclude": ["node_modules"]
 }
-

frontend/vitest.config.ts

@@ -8,4 +8,3 @@ export default defineConfig({
     include: ["app/**/*.test.{ts,tsx}"],
   },
 });
-