fix(signup): when signing up for the event and already logged in, set the email of the account

apps/web/src/components/registration/PerformerForm.tsx

@@ -1,6 +1,7 @@
 import { useMutation } from "@tanstack/react-query";
-import { useState } from "react";
+import { useEffect, useState } from "react";
 import { toast } from "sonner";
+import { authClient } from "@/lib/auth-client";
 import {
 	inputCls,
 	validateEmail,
@@ -25,6 +26,9 @@ interface Props {
 }
 
 export function PerformerForm({ onBack, onSuccess }: Props) {
+	const { data: session } = authClient.useSession();
+	const sessionEmail = session?.user?.email ?? "";
+
 	const [data, setData] = useState({
 		firstName: "",
 		lastName: "",
@@ -39,6 +43,12 @@ export function PerformerForm({ onBack, onSuccess }: Props) {
 	const [errors, setErrors] = useState<PerformerErrors>({});
 	const [touched, setTouched] = useState<Record<string, boolean>>({});
 
+	useEffect(() => {
+		if (sessionEmail) {
+			setData((prev) => ({ ...prev, email: sessionEmail }));
+		}
+	}, [sessionEmail]);
+
 	const submitMutation = useMutation({
 		...orpc.submitRegistration.mutationOptions(),
 		onSuccess: (result) => {
@@ -254,14 +264,15 @@ export function PerformerForm({ onBack, onSuccess }: Props) {
 							id="p-email"
 							name="email"
 							value={data.email}
-							onChange={handleChange}
+							onChange={sessionEmail ? undefined : handleChange}
-							onBlur={handleBlur}
+							onBlur={sessionEmail ? undefined : handleBlur}
+							readOnly={!!sessionEmail}
 							placeholder="jouw@email.be"
 							autoComplete="email"
 							inputMode="email"
 							aria-required="true"
 							aria-invalid={touched.email && !!errors.email}
-							className={inputCls(!!touched.email && !!errors.email)}
+							className={`${inputCls(!!touched.email && !!errors.email)}${sessionEmail ? "cursor-not-allowed opacity-75" : ""}`}
 						/>
 						{touched.email && errors.email && (
 							<span className="text-red-300 text-sm" role="alert">

apps/web/src/components/registration/WatcherForm.tsx

@@ -1,6 +1,7 @@
 import { useMutation } from "@tanstack/react-query";
-import { useState } from "react";
+import { useEffect, useState } from "react";
 import { toast } from "sonner";
+import { authClient } from "@/lib/auth-client";
 import {
 	calculateDrinkCard,
 	type GuestEntry,
@@ -30,6 +31,9 @@ interface Props {
 // ── Main watcher form ──────────────────────────────────────────────────────
 
 export function WatcherForm({ onBack, onSuccess }: Props) {
+	const { data: session } = authClient.useSession();
+	const sessionEmail = session?.user?.email ?? "";
+
 	const [data, setData] = useState({
 		firstName: "",
 		lastName: "",
@@ -43,6 +47,12 @@ export function WatcherForm({ onBack, onSuccess }: Props) {
 	const [guestErrors, setGuestErrors] = useState<GuestErrors[]>([]);
 	const [giftAmount, setGiftAmount] = useState(0);
 
+	useEffect(() => {
+		if (sessionEmail) {
+			setData((prev) => ({ ...prev, email: sessionEmail }));
+		}
+	}, [sessionEmail]);
+
 	const submitMutation = useMutation({
 		...orpc.submitRegistration.mutationOptions(),
 		onSuccess: (result) => {
@@ -290,14 +300,15 @@ export function WatcherForm({ onBack, onSuccess }: Props) {
 							id="w-email"
 							name="email"
 							value={data.email}
-							onChange={handleChange}
+							onChange={sessionEmail ? undefined : handleChange}
-							onBlur={handleBlur}
+							onBlur={sessionEmail ? undefined : handleBlur}
+							readOnly={!!sessionEmail}
 							placeholder="jouw@email.be"
 							autoComplete="email"
 							inputMode="email"
 							aria-required="true"
 							aria-invalid={touched.email && !!errors.email}
-							className={inputCls(!!touched.email && !!errors.email)}
+							className={`${inputCls(!!touched.email && !!errors.email)}${sessionEmail ? "cursor-not-allowed opacity-75" : ""}`}
 						/>
 						{touched.email && errors.email && (
 							<span className="text-red-300 text-sm" role="alert">