fix: Wave 1 — critical bug fixes across 9 files

- Fix double-prefix URL bugs in 4 analytics/revenue views (/api/api → /api)
- Fix AdminDashboard quick-links routing (/platform-admin/* → /admin/*)
- Fix MigrationView import missing Authorization header
- Remove dead ConsoleModule from app.module (conflicts with NatsBridgeGateway on /ws)
- Fix store.service.ts raw Error throws → NotFoundException/ForbiddenException
- Fix payment-order entity FK (webstore_subscription_id → WebstoreSubscription)

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

frontend/src/views/admin/PlayerRetentionView.vue

@@ -45,7 +45,7 @@ const loadRetentionData = async () => {
   loading.value = true
   try {
     const response = await api.get<RetentionResponse>(
-      `/api/analytics/retention?wipe_count=${wipeCount.value}`
+      `/analytics/retention?wipe_count=${wipeCount.value}`
     )
     retentionData.value = response