bulk operations fixes

- Frontend: implémente bulkDelete, bulkArchive, bulkRestore
- Backend: adapts ticket DTOs pour bulk operations
- Infrastructure: MCP server pour gestion bulk tickets
- Tests: coverage frontend + backend

frontend/src/adapters/ticket.ts

@@ -17,6 +17,7 @@ import type {
   ReplyChunk,
   Sprint,
   Ticket,
+  TicketBulkResult,
   TicketCarnet,
   TicketChat,
   TicketLinkKind,
@@ -90,6 +91,32 @@ export class TauriTicketGateway implements TicketGateway {
     });
   }
 
+  async bulkUpdateStatus(
+    projectId: string,
+    refs: string[],
+    status: Ticket["status"],
+  ): Promise<TicketBulkResult> {
+    return invoke<TicketBulkResult>("ticket_bulk_update_status", {
+      request: { projectId, refs, status },
+    });
+  }
+
+  async bulkUpdatePriority(
+    projectId: string,
+    refs: string[],
+    priority: Ticket["priority"],
+  ): Promise<TicketBulkResult> {
+    return invoke<TicketBulkResult>("ticket_bulk_update_priority", {
+      request: { projectId, refs, priority },
+    });
+  }
+
+  async bulkDelete(projectId: string, refs: string[]): Promise<TicketBulkResult> {
+    return invoke<TicketBulkResult>("ticket_bulk_delete", {
+      request: { projectId, refs },
+    });
+  }
+
   async readCarnet(projectId: string, ref: string): Promise<TicketCarnet> {
     return invoke<TicketCarnet>("ticket_read_carnet", {
       request: { projectId, ref },