feat: route invoice analysis through referentiel ia

server/routers.ts

@@ -103,6 +103,7 @@ import pathSync from "path";
 import { extractInvoicesWithMistral, generateMetadataJSON } from "./invoiceExtractor";
 import { calculateFileSha256 } from "./fileFingerprint";
 import { localStoragePut, generateStorageKey } from "./localStorage";
+import { testReferentialIaConnection } from "./referentialIa";
 import { testSftpConnection, exportInvoiceToSftp, getUserSftpConfig } from "./sftpExport";
 import { drawBapCartouche } from "./bapCartouche";
 import { resolveBapExportDestination } from "./exportDestinationResolver";
@@ -1237,7 +1238,7 @@ export const appRouter = router({
         sftpAutoExport: z.number().optional(),
         llmLogsRetentionMonths: z.number().optional(),
         learningConfidenceThreshold: z.number().min(1).optional(),
-        aiProvider: z.enum(["mistral", "manus", "gemini"]).optional(),
+        aiProvider: z.enum(["mistral", "manus", "gemini", "referentiel"]).optional(),
         mistralApiKey: z.string().optional(),
         manusForgeApiKey: z.string().optional(),
         manusForgeApiUrl: z.string().optional(),
@@ -1250,6 +1251,12 @@ export const appRouter = router({
         });
         return { success: true };
       }),
+
+    /** Vérifie le choix centralisé sans transmettre de facture ni de clé au navigateur. */
+    testReferentielIa: protectedProcedure.mutation(async () => {
+      const result = await testReferentialIaConnection();
+      return { success: true, ...result };
+    }),
   }),
   
   // ============= ADMIN ROUTES =============