feat: daily activity summary email

- activity-email-actions: sendDailySummaryAction — filters today's
  activities by dueDate, sends personalized email via Appwrite Messaging
  - 'me': current user's activities only
  - 'team' (owner/admin): each member gets their own activities separately
- send-summary-dialog: dialog with me/team radio (owner/admin only sees
  team option), inline error + toast on success
- activities-client: 'Günlük Özet' button in header, role prop added
- activities page: passes ctx.role to client

src/components/activities/activities-client.tsx

@@ -19,9 +19,11 @@ import {
 } from "@/lib/appwrite/activity-actions";
 import { ActivityFormSheet } from "./activity-form-sheet";
 import { ActivityCalendar } from "./activity-calendar";
+import { SendSummaryDialog } from "./send-summary-dialog";
 import { DeleteConfirmDialog } from "@/components/ui/delete-confirm-dialog";
 import type { Activity, Customer, Property } from "@/lib/appwrite/schema";
 import { ACTIVITY_TYPE_LABELS } from "@/lib/appwrite/schema";
+import type { TenantRole } from "@/lib/appwrite/tenant-guard";
 
 type ViewMode = "list" | "calendar";
 
@@ -29,12 +31,14 @@ interface ActivitiesClientProps {
   initialActivities: Activity[];
   customers: Customer[];
   properties: Property[];
+  role: TenantRole;
 }
 
 export function ActivitiesClient({
   initialActivities,
   customers,
   properties,
+  role,
 }: ActivitiesClientProps) {
   const router = useRouter();
   const [activities, setActivities] = useState(initialActivities);
@@ -123,6 +127,7 @@ export function ActivitiesClient({
               Takvim
             </button>
           </div>
+          <SendSummaryDialog role={role} />
           <Button onClick={openCreate} size="sm" data-tour="activities-add">
             <Plus className="mr-1.5 size-4" />
             Yeni Aktivite