refactor: enhance cache invalidation logic across banking API routes and components for improved data consistency and performance

app/api/banking/transactions/deduplicate/route.ts

@@ -1,4 +1,5 @@
 import { NextResponse } from "next/server";
+import { revalidatePath } from "next/cache";
 import { transactionService } from "@/services/transaction.service";
 import { requireAuth } from "@/lib/auth-utils";
 
@@ -8,7 +9,17 @@ export async function POST() {
 
   try {
     const result = await transactionService.deduplicate();
-    return NextResponse.json(result);
+
+    // Revalider le cache des pages
+    revalidatePath("/transactions", "page");
+    revalidatePath("/statistics", "page");
+    revalidatePath("/dashboard", "page");
+
+    return NextResponse.json(result, {
+      headers: {
+        "Cache-Control": "no-store",
+      },
+    });
   } catch (error) {
     console.error("Error deduplicating transactions:", error);
     return NextResponse.json(