feat: add transaction deduplication feature and enhance filtering options in settings and transactions pages

app/settings/page.tsx

@@ -89,6 +89,24 @@ export default function SettingsPage() {
     }
   };
 
+  const deduplicateTransactions = async () => {
+    try {
+      const response = await fetch(
+        "/api/banking/transactions/deduplicate",
+        {
+          method: "POST",
+        }
+      );
+      if (!response.ok) throw new Error("Erreur");
+      const result = await response.json();
+      refresh();
+      return result;
+    } catch (error) {
+      console.error(error);
+      throw error;
+    }
+  };
+
   const categorizedCount = data.transactions.filter((t) => t.categoryId).length;
 
   return (
@@ -114,6 +132,7 @@ export default function SettingsPage() {
           categorizedCount={categorizedCount}
           onClearCategories={clearAllCategories}
           onResetData={resetData}
+          onDeduplicate={deduplicateTransactions}
         />
 
         <OFXInfoCard />