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

fluxer_api/src/api/auth/AuthRegistration.ts

@@ -39,6 +39,7 @@ import {
 	normalizePolicyContactDomain,
 } from '../risk/AccountPolicyEvaluator';
 import type {IRegistrationEventsRepository} from '../risk/adapters/VelocityAdapter';
+import {deferPhoneFlagsUntilCommunityJoin} from '../risk/DeferredPhoneGate';
 import type {IRiskHistoryRepository} from '../risk/HistoricalOutcomeRepository';
 import type {IRiskAssessmentRepository} from '../risk/RiskAssessmentRepository';
 import {deriveLatestRiskContext} from '../risk/RiskHistoryContext';
@@ -334,7 +335,7 @@ export async function register(
 			action: riskResult.recommendedAction,
 		},
 	});
-	const combinedFlags = policyDecision.flagBits;
+	const combinedFlags = await deferPhoneFlagsUntilCommunityJoin(policyDecision.flagBits);
 	const createdAt = new Date();
 	const riskContext = deriveLatestRiskContext({
 		userId: userId.toString(),