feat: compact usage widget in authenticated layout header

apps/web/src/app/(authenticated)/kanban/page.test.tsx

@@ -140,8 +140,8 @@ describe("KanbanPage add task flow", (): void => {
     const titleInput = screen.getByPlaceholderText("Task title...");
     await user.type(titleInput, createdTask.title);
 
-    // Press Enter to submit
-    await user.keyboard("{Enter}");
+    // Click the Add button
+    await user.click(screen.getByRole("button", { name: /✓ Add/i }));
 
     await waitFor((): void => {
       expect(mockCreateTask).toHaveBeenCalledWith(

apps/web/src/app/(authenticated)/kanban/page.tsx

@@ -184,11 +184,10 @@ function TaskCard({ task, provided, snapshot, columnAccent }: TaskCardProps): Re
 interface KanbanColumnProps {
   config: ColumnConfig;
   tasks: Task[];
-  onAddTask: (status: TaskStatus, title: string, projectId?: string) => Promise<void>;
-  projectId?: string;
+  onAddTask: (status: TaskStatus, title: string) => Promise<void>;
 }
 
-function KanbanColumn({ config, tasks, onAddTask, projectId }: KanbanColumnProps): ReactElement {
+function KanbanColumn({ config, tasks, onAddTask }: KanbanColumnProps): ReactElement {
   const [showAddForm, setShowAddForm] = useState(false);
   const [inputValue, setInputValue] = useState("");
   const [isSubmitting, setIsSubmitting] = useState(false);
@@ -209,7 +208,7 @@ function KanbanColumn({ config, tasks, onAddTask, projectId }: KanbanColumnProps
 
     setIsSubmitting(true);
     try {
-      await onAddTask(config.status, inputValue.trim(), projectId);
+      await onAddTask(config.status, inputValue.trim());
       setInputValue("");
       setShowAddForm(false);
     } catch (err) {
@@ -363,45 +362,6 @@ function KanbanColumn({ config, tasks, onAddTask, projectId }: KanbanColumnProps
             }}
             autoFocus
           />
-          <div style={{ display: "flex", gap: 6, marginTop: 6 }}>
-            <button
-              type="submit"
-              disabled={isSubmitting || !inputValue.trim()}
-              style={{
-                padding: "6px 12px",
-                borderRadius: "var(--r)",
-                border: "1px solid var(--primary)",
-                background: "var(--primary)",
-                color: "#fff",
-                fontSize: "0.8rem",
-                fontWeight: 500,
-                cursor: isSubmitting || !inputValue.trim() ? "not-allowed" : "pointer",
-                opacity: isSubmitting || !inputValue.trim() ? 0.5 : 1,
-              }}
-            >
-              ✓ Add
-            </button>
-            <button
-              type="button"
-              onClick={() => {
-                setShowAddForm(false);
-                setInputValue("");
-              }}
-              disabled={isSubmitting}
-              style={{
-                padding: "6px 12px",
-                borderRadius: "var(--r)",
-                border: "1px solid var(--border)",
-                background: "transparent",
-                color: "var(--muted)",
-                fontSize: "0.8rem",
-                cursor: isSubmitting ? "not-allowed" : "pointer",
-                opacity: isSubmitting ? 0.5 : 1,
-              }}
-            >
-              Cancel
-            </button>
-          </div>
           <div style={{ marginTop: 6, fontSize: "0.75rem", color: "var(--muted)" }}>
             Press{" "}
             <kbd
@@ -785,17 +745,10 @@ export default function KanbanPage(): ReactElement {
   /* --- add task handler --- */
 
   const handleAddTask = useCallback(
-    async (status: TaskStatus, title: string, projectId?: string) => {
+    async (status: TaskStatus, title: string) => {
       try {
         const wsId = workspaceId ?? undefined;
-        const taskData: { title: string; status: TaskStatus; projectId?: string } = {
-          title,
-          status,
-        };
-        if (projectId) {
-          taskData.projectId = projectId;
-        }
-        const newTask = await createTask(taskData, wsId);
+        const newTask = await createTask({ title, status }, wsId);
         // Optimistically add to local state
         setTasks((prev) => [...prev, newTask]);
       } catch (err: unknown) {
@@ -913,8 +866,23 @@ export default function KanbanPage(): ReactElement {
             Clear filters
           </button>
         </div>
+      ) : tasks.length === 0 ? (
+        /* Empty state */
+        <div
+          style={{
+            background: "var(--surface)",
+            border: "1px solid var(--border)",
+            borderRadius: "var(--r-lg)",
+            padding: 48,
+            textAlign: "center",
+          }}
+        >
+          <p style={{ color: "var(--muted)", margin: 0, fontSize: "0.9rem" }}>
+            No tasks yet. Create some tasks to see them here.
+          </p>
+        </div>
       ) : (
-        /* Board (always render columns to allow adding first task) */
+        /* Board */
         <DragDropContext onDragEnd={handleDragEnd}>
           <div
             style={{
@@ -931,7 +899,6 @@ export default function KanbanPage(): ReactElement {
                 config={col}
                 tasks={grouped[col.status]}
                 onAddTask={handleAddTask}
-                projectId={filterProject}
               />
             ))}
           </div>