feat: update onboarding and application flows

functions/src/lyrics.js

@@ -5,7 +5,7 @@ const { SUNO_API_BASE, SUNO_TIMESTAMPED_LYRICS_PATH } = require('../config/suno'
 const { GEMINI_API_KEY, SUNO_API_KEY } = require('../config/secrets')
 const axios = require('axios')
 const { FieldValue } = require('firebase-admin/firestore')
-const { refList } = require('../index')
+const { REGION, refList } = require('../index')
 
 // --- CONSTANTES DE STRUCTURE ---
 // On garde ces mappings car ils sont utiles pour normaliser l'input utilisateur
@@ -59,6 +59,13 @@ const STRUCTURE_ALIASES = {
   soft_transition: 'transition_douce',
 }
 
+const LYRICS_FUNCTION_OPTIONS = {
+  region: REGION,
+  cors: true,
+  invoker: 'public',
+  secrets: [GEMINI_API_KEY],
+}
+
 // --- UTILITAIRES ---
 
 const normalizeStructureValue = (value) => {
@@ -137,7 +144,7 @@ const buildModerationBrief = ({
 
 // --- GENERATION DE PAROLES (MAIN) ---
 
-exports.generateLyrics = onCall({ secrets: [GEMINI_API_KEY] }, async ({ auth = {}, data = {} }) => {
+exports.generateLyrics = onCall(LYRICS_FUNCTION_OPTIONS, async ({ auth = {}, data = {} }) => {
   try {
     const {
       lang: rawLang,
@@ -357,7 +364,7 @@ const softenModerationDecision = (rawResult = {}) => {
   }
 }
 
-exports.analyseLyricsToxicity = onCall({ secrets: [GEMINI_API_KEY] }, async ({ data = {} }) => {
+exports.analyseLyricsToxicity = onCall(LYRICS_FUNCTION_OPTIONS, async ({ data = {} }) => {
   try {
     const requestSchema = z.object({
       title: z.string().optional(),