feat(api): defer registration phone verification to community joins (#1709)

fluxer_api/src/api/risk/DeferredPhoneGateCache.ts

@@ -0,0 +1,18 @@
+// SPDX-License-Identifier: AGPL-3.0-or-later
+
+let cachedEnabled = false;
+
+export function resolveDeferredPhoneGateEnabled(policy: {
+	deferred_phone_gate_enabled: boolean;
+	single_community_enabled: boolean;
+}): boolean {
+	return policy.deferred_phone_gate_enabled && !policy.single_community_enabled;
+}
+
+export function getCachedDeferredPhoneGateEnabled(): boolean {
+	return cachedEnabled;
+}
+
+export function setCachedDeferredPhoneGateEnabled(enabled: boolean): void {
+	cachedEnabled = enabled;
+}