fix: restore domainId prop to TasksKanbanView and TasksListView

apps/web/app/(dashboard)/tasks/page.tsx

@@ -1,6 +1,6 @@
 "use client";
 
-import { useState } from "react";
+import { useState, useEffect } from "react";
 import { LayoutGrid, List, Plus } from "lucide-react";
 import { Button } from "@/components/ui/button";
 import { Tabs, TabsList, TabsTrigger } from "@/components/ui/tabs";
@@ -13,8 +13,24 @@ import { RealtimeProvider } from "@/components/realtime-provider";
 export default function TasksPage() {
   const [view, setView] = useState<"kanban" | "list">("kanban");
   const [refreshKey, setRefreshKey] = useState(0);
+  const [domainId, setDomainId] = useState<string | null>(null);
+  const [domains, setDomains] = useState<{ id: string; name: string; color: string | null }[]>([]);
   const { open, openCreate, closeCreate } = useCreateDialogStore();
 
+  // Fetch domains and select first one
+  useEffect(() => {
+    fetch('/api/domains?sort=sort_order')
+      .then((res) => res.json())
+      .then((data) => {
+        const items = data.items || [];
+        setDomains(items);
+        if (items.length > 0 && !domainId) {
+          setDomainId(items[0].id);
+        }
+      })
+      .catch(() => {});
+  }, []); // eslint-disable-line react-hooks/exhaustive-deps
+
   return (
     <RealtimeProvider>
     <div>
@@ -24,6 +40,18 @@ export default function TasksPage() {
           <p className="mt-1 text-muted-foreground">Move work forward without losing the thread.</p>
         </div>
         <div className="flex items-center gap-2">
+          {domains.length > 1 && (
+            <select
+              value={domainId || ''}
+              onChange={(e) => setDomainId(e.target.value)}
+              className="rounded-md border bg-background px-3 py-1.5 text-sm"
+              aria-label="Select domain"
+            >
+              {domains.map((d) => (
+                <option key={d.id} value={d.id}>{d.name}</option>
+              ))}
+            </select>
+          )}
           <Button onClick={() => openCreate("task")}>
             <Plus className="mr-2 h-4 w-4" aria-hidden="true" />
             New task
@@ -36,7 +64,7 @@ export default function TasksPage() {
           </Tabs>
         </div>
       </div>
-      {view === "kanban" ? <TasksKanbanView key={refreshKey} /> : <TasksListView key={refreshKey} />}
+      {domainId && (view === "kanban" ? <TasksKanbanView key={refreshKey} domainId={domainId} /> : <TasksListView key={refreshKey} domainId={domainId} />)}
       <CreateItemDialog type="task" open={open} onOpenChange={(o) => (o ? openCreate("task") : closeCreate())} onCreated={() => setRefreshKey((k) => k + 1)} />
     </div>
     </RealtimeProvider>