feat: implement smoketest and extend host provisioning with template linking

- Add runSmoketest mutation to automate end-to-end verification.

- Add SmoketestExecutor and HostDeleter to support automated testing and cleanup.

- Extend createHost and importHosts to allow linking templates by name or ID.

- Update docs/howtos/cookbook.md with new recipe steps and AI/MCP guidance.

- Update .junie/guidelines.md with new verification and deployment standards.

- Add src/test/template_link.test.ts and update existing tests to cover new functionality.

- Regenerate GraphQL types to match schema updates.

src/test/host_integration.test.ts

@@ -62,9 +62,8 @@ describe("Host Integration Tests", () => {
         (zabbixAPI.post as jest.Mock)
             .mockResolvedValueOnce([{ groupid: "201", name: ZABBIX_EDGE_DEVICE_BASE_GROUP }]) // Base group
             .mockResolvedValueOnce([{ groupid: "202", name: ZABBIX_EDGE_DEVICE_BASE_GROUP + "/ConstructionSite/Test" }]) // Specific group
-            .mockResolvedValueOnce([{ templateid: "301" }]); // Template lookup
-
-        (zabbixAPI.requestByPath as jest.Mock).mockResolvedValueOnce({ hostids: ["401"] });
+            .mockResolvedValueOnce([{ templateid: "301" }]) // Template lookup
+            .mockResolvedValueOnce({ hostids: ["401"] }); // Host creation
 
         const response = await server.executeOperation({
             query: mutation,