feat(registration): add watcher capacity limits and update pricing

Add 70-person capacity limit for watchers with real-time availability checks.
Update drink card pricing to €5 per person (was €5 base + €2 per guest).
Add feature flag to bypass registration countdown.
Show under-review notice for performer registrations.
Update FAQ performance duration from 5-7 to 5 minutes.

apps/web/src/components/homepage/EventRegistrationForm.tsx

@@ -1,3 +1,4 @@
+import { useQuery } from "@tanstack/react-query";
 import confetti from "canvas-confetti";
 import { useEffect, useRef, useState } from "react";
 import { CountdownBanner } from "@/components/homepage/CountdownBanner";
@@ -5,6 +6,7 @@ import { PerformerForm } from "@/components/registration/PerformerForm";
 import { TypeSelector } from "@/components/registration/TypeSelector";
 import { WatcherForm } from "@/components/registration/WatcherForm";
 import { useRegistrationOpen } from "@/lib/useRegistrationOpen";
+import { orpc } from "@/utils/orpc";
 
 function fireConfetti() {
 	const colors = ["#d82560", "#52979b", "#d09035", "#214e51", "#ffffff"];
@@ -48,6 +50,8 @@ export default function EventRegistrationForm() {
 	const { isOpen } = useRegistrationOpen();
 	const confettiFired = useRef(false);
 
+	const { data: capacity } = useQuery(orpc.getWatcherCapacity.queryOptions());
+
 	useEffect(() => {
 		if (isOpen && !confettiFired.current) {
 			confettiFired.current = true;
@@ -88,7 +92,13 @@ export default function EventRegistrationForm() {
 					Doe je mee of kom je kijken? Kies je rol en vul het formulier in.
 				</p>
 
-				{!selectedType && <TypeSelector onSelect={setSelectedType} />}
+				{!selectedType && (
+					<TypeSelector
+						onSelect={setSelectedType}
+						watcherIsFull={capacity?.isFull ?? false}
+						watcherAvailable={capacity?.available ?? null}
+					/>
+				)}
 				{selectedType === "performer" && (
 					<PerformerForm
 						onBack={() => setSelectedType(null)}