feat(bases): add per-column '+ New' button to kanban

apps/client/src/features/base/components/views/kanban/base-kanban.tsx

@@ -3,9 +3,11 @@ import {
   IBase,
   IBaseRow,
   IBaseView,
+  NO_VALUE_CHOICE_ID,
 } from "@/features/base/types/base.types";
 import { useKanbanGroups } from "@/features/base/hooks/use-kanban-groups";
 import { useUpdateViewMutation } from "@/features/base/queries/base-view-query";
+import { useCreateRowMutation } from "@/features/base/queries/base-row-query";
 import { KanbanColumn } from "./kanban-column";
 import { KanbanEmptyState } from "./kanban-empty-state";
 import classes from "@/features/base/styles/kanban.module.css";
@@ -37,6 +39,7 @@ export function BaseKanban({
   );
   const isGroupable = property?.type === "select" || property?.type === "status";
   const updateViewMutation = useUpdateViewMutation();
+  const createRowMutation = useCreateRowMutation();
 
   // Rules of Hooks: call useKanbanGroups unconditionally with `undefined`
   // when not groupable; switch the render path on isGroupable below.
@@ -56,6 +59,21 @@ export function BaseKanban({
     });
   };
 
+  const handleAddCard = (columnKey: string) => {
+    if (!groupByPropertyId) return;
+    const cells =
+      columnKey === NO_VALUE_CHOICE_ID
+        ? {}
+        : { [groupByPropertyId]: columnKey };
+    const column = columns.find((c) => c.key === columnKey);
+    const afterRowId = column?.rows[column.rows.length - 1]?.id;
+    createRowMutation.mutate({
+      pageId: base.id,
+      cells,
+      afterRowId,
+    });
+  };
+
   if (!isGroupable) {
     return <KanbanEmptyState base={base} onPick={handlePickProperty} />;
   }
@@ -68,6 +86,7 @@ export function BaseKanban({
           column={column}
           primaryProperty={primaryProperty}
           onCardClick={onCardClick}
+          onAddCard={handleAddCard}
         />
       ))}
     </div>

apps/client/src/features/base/components/views/kanban/kanban-add-card-button.tsx

@@ -0,0 +1,29 @@
+import { Button } from "@mantine/core";
+import { IconPlus } from "@tabler/icons-react";
+import { useTranslation } from "react-i18next";
+import classes from "@/features/base/styles/kanban.module.css";
+
+type KanbanAddCardButtonProps = {
+  onClick: () => void;
+  disabled?: boolean;
+};
+
+export function KanbanAddCardButton({
+  onClick,
+  disabled,
+}: KanbanAddCardButtonProps) {
+  const { t } = useTranslation();
+  return (
+    <Button
+      variant="subtle"
+      color="gray"
+      size="xs"
+      className={classes.addCardButton}
+      leftSection={<IconPlus size={14} />}
+      onClick={onClick}
+      disabled={disabled}
+    >
+      {t("New")}
+    </Button>
+  );
+}

apps/client/src/features/base/components/views/kanban/kanban-column.tsx

@@ -2,18 +2,21 @@ import { KanbanColumnData } from "@/features/base/hooks/use-kanban-groups";
 import { IBaseProperty } from "@/features/base/types/base.types";
 import { KanbanCard } from "./kanban-card";
 import { KanbanColumnHeader } from "./kanban-column-header";
+import { KanbanAddCardButton } from "./kanban-add-card-button";
 import classes from "@/features/base/styles/kanban.module.css";
 
 type KanbanColumnProps = {
   column: KanbanColumnData;
   primaryProperty: IBaseProperty | undefined;
   onCardClick: (rowId: string) => void;
+  onAddCard: (columnKey: string) => void;
 };
 
 export function KanbanColumn({
   column,
   primaryProperty,
   onCardClick,
+  onAddCard,
 }: KanbanColumnProps) {
   return (
     <div className={classes.column} data-column-key={column.key}>
@@ -31,6 +34,7 @@ export function KanbanColumn({
             onClick={onCardClick}
           />
         ))}
+        <KanbanAddCardButton onClick={() => onAddCard(column.key)} />
       </div>
     </div>
   );