Implement display_name field with migration and API support

Co-authored-by: elisiariocouto <818914+elisiariocouto@users.noreply.github.com>

frontend/src/components/AccountsOverview.tsx

@@ -81,8 +81,8 @@ export default function AccountsOverview() {
   const queryClient = useQueryClient();
 
   const updateAccountMutation = useMutation({
-    mutationFn: ({ id, name }: { id: string; name: string }) =>
-      apiClient.updateAccount(id, { name }),
+    mutationFn: ({ id, display_name }: { id: string; display_name: string }) =>
+      apiClient.updateAccount(id, { display_name }),
     onSuccess: () => {
       queryClient.invalidateQueries({ queryKey: ["accounts"] });
       setEditingAccountId(null);
@@ -95,14 +95,15 @@ export default function AccountsOverview() {
 
   const handleEditStart = (account: Account) => {
     setEditingAccountId(account.id);
-    setEditingName(account.name || "");
+    // Use display_name if available, otherwise fall back to name
+    setEditingName(account.display_name || account.name || "");
   };
 
   const handleEditSave = () => {
     if (editingAccountId && editingName.trim()) {
       updateAccountMutation.mutate({
         id: editingAccountId,
-        name: editingName.trim(),
+        display_name: editingName.trim(),
       });
     }
   };
@@ -267,7 +268,7 @@ export default function AccountsOverview() {
                                     setEditingName(e.target.value)
                                   }
                                   className="flex-1 px-3 py-1 text-base sm:text-lg font-medium border border-input rounded-md bg-background focus:outline-none focus:ring-2 focus:ring-ring focus:border-ring"
-                                  placeholder="Account name"
+                                  placeholder="Custom account name"
                                   name="search"
                                   autoComplete="off"
                                   onKeyDown={(e) => {
@@ -303,7 +304,7 @@ export default function AccountsOverview() {
                             <div>
                               <div className="flex items-center space-x-2 min-w-0">
                                 <h4 className="text-base sm:text-lg font-medium text-foreground truncate">
-                                  {account.name || "Unnamed Account"}
+                                  {account.display_name || account.name || "Unnamed Account"}
                                 </h4>
                                 <button
                                   onClick={() => handleEditStart(account)}

frontend/src/components/filters/AccountCombobox.tsx

@@ -38,7 +38,7 @@ export function AccountCombobox({
   );
 
   const formatAccountName = (account: Account) => {
-    const displayName = account.name || "Unnamed Account";
+    const displayName = account.display_name || account.name || "Unnamed Account";
     return `${displayName} (${account.institution_id})`;
   };
 
@@ -89,7 +89,7 @@ export function AccountCombobox({
                 {accounts.map((account) => (
                   <CommandItem
                     key={account.id}
-                    value={`${account.name} ${account.institution_id}`}
+                    value={`${account.display_name || account.name} ${account.institution_id}`}
                     onSelect={() => {
                       onAccountChange(account.id);
                       setOpen(false);
@@ -105,7 +105,7 @@ export function AccountCombobox({
                     />
                     <div className="flex flex-col">
                       <span className="font-medium">
-                        {account.name || "Unnamed Account"}
+                        {account.display_name || account.name || "Unnamed Account"}
                       </span>
                       <span className="text-xs text-gray-500">
                         {account.institution_id}

frontend/src/lib/api.ts

@@ -41,8 +41,8 @@ export const apiClient = {
   updateAccount: async (
     id: string,
     updates: AccountUpdate,
-  ): Promise<{ id: string; name?: string }> => {
-    const response = await api.put<ApiResponse<{ id: string; name?: string }>>(
+  ): Promise<{ id: string; display_name?: string }> => {
+    const response = await api.put<ApiResponse<{ id: string; display_name?: string }>>(
       `/accounts/${id}`,
       updates,
     );

frontend/src/types/api.ts

@@ -11,6 +11,7 @@ export interface Account {
   status: string;
   iban?: string;
   name?: string;
+  display_name?: string;
   currency?: string;
   created: string;
   last_accessed?: string;
@@ -18,7 +19,7 @@ export interface Account {
 }
 
 export interface AccountUpdate {
-  name?: string;
+  display_name?: string;
 }
 
 export interface RawTransactionData {