diff --git a/src/backend/src/ai-catalog.js b/src/backend/src/ai-catalog.js
index 60d691c..47ea956 100644
--- a/src/backend/src/ai-catalog.js
+++ b/src/backend/src/ai-catalog.js
@@ -19,8 +19,8 @@ const AI_CATALOG = Object.freeze({
     { provider: 'OpenAI', model: 'gpt-4.1-mini', role: 'Traitement documentaire', billing: 'paid', source: 'application' },
   ],
   'falc-generator': [
-    { provider: 'Manus Forge', model: 'gemini-2.5-flash', role: 'Transformation FALC', billing: 'paid', source: 'application' },
-    { provider: 'Google Gemini', model: 'gemini-3.1-pro-preview', role: 'Récits de vie', billing: 'paid', source: 'application' },
+    { provider: 'Manus Forge', model: 'modèle par défaut non explicité', role: 'Transformation FALC', billing: 'paid', source: 'application' },
+    { provider: 'Manus Forge', model: 'gemini-3.1-pro-preview', role: 'Récits de vie', billing: 'paid', source: 'application' },
   ],
   'formation-manager-itinova': [
     { provider: 'Manus Forge', model: 'gemini-2.5-flash', role: 'Assistant conversationnel', billing: 'paid', source: 'application' },
diff --git a/src/backend/test/app-registry.test.js b/src/backend/test/app-registry.test.js
index 735edb1..9a6e286 100644
--- a/src/backend/test/app-registry.test.js
+++ b/src/backend/test/app-registry.test.js
@@ -89,8 +89,8 @@ try {
   const falc = discovery.apps.find((candidate) => candidate.id === 'falc-generator');
   assert.deepEqual(falc.ai, {
     engines: [
-      { provider: 'Manus Forge', model: 'gemini-2.5-flash', role: 'Transformation FALC', billing: 'paid', source: 'application' },
-      { provider: 'Google Gemini', model: 'gemini-3.1-pro-preview', role: 'Récits de vie', billing: 'paid', source: 'application' },
+      { provider: 'Manus Forge', model: 'modèle par défaut non explicité', role: 'Transformation FALC', billing: 'paid', source: 'application' },
+      { provider: 'Manus Forge', model: 'gemini-3.1-pro-preview', role: 'Récits de vie', billing: 'paid', source: 'application' },
     ],
   }, 'le catalogue IA doit compléter un manifeste historique sans moteur déclaré');