feat: implement all 57 ObjectStackProtocol methods per kernel-services spec

- Add CoreServiceName type with 17 service names
- Add ServiceStatus, ServiceCriticality, KernelDiscoveryResponse types
- Add SERVICE_CRITICALITY mapping per spec
- Rewrite protocol.ts with all 57 methods:
  - metadata (7): getDiscovery with per-service status map, getMetaTypes, getMetaItems, getMetaItem, saveMetaItem, getMetaItemCached, getUiView
  - data (9): findData, getData, createData, updateData, deleteData, batchData, createManyData, updateManyData, deleteManyData
  - analytics (2): analyticsQuery, getAnalyticsMeta with auto-generated measures/dimensions
  - auth (3): checkPermission, getObjectPermissions, getEffectivePermissions (plugin stubs)
  - ui (5): listViews, getView, createView, updateView, deleteView (plugin stubs)
  - workflow (5): getWorkflowConfig, getWorkflowState, workflowTransition, workflowApprove, workflowReject (plugin stubs)
  - automation (1): triggerAutomation (plugin stub)
  - realtime (6): connect, disconnect, subscribe, unsubscribe, setPresence, getPresence (plugin stubs)
  - notification (7): registerDevice, unregisterDevice, getNotificationPreferences, updateNotificationPreferences, listNotifications, markNotificationsRead, markAllNotificationsRead (plugin stubs)
  - ai (4): aiNlq, aiChat, aiSuggest, aiInsights (plugin stubs)
  - i18n (3): getLocales, getTranslations, getFieldLabels (plugin stubs)
  - packages (6): listPackages, getPackage, installPackage, uninstallPackage, enablePackage, disablePackage
- Register analytics service alias in plugin.ts
- Add 15 new tests covering discovery, batch ops, analytics, and plugin stubs

Co-authored-by: hotlong <50353452+hotlong@users.noreply.github.com>

Author: Copilot

packages/foundation/core/src/plugin.ts

@@ -192,6 +192,12 @@ export class ObjectQLPlugin implements RuntimePlugin {
         const dataService = kernel.queryService || kernel;
         registerService('data', dataService);
         this.logger.debug('Registered data service alias');
+
+        // 3. Analytics service (via QueryService)
+        if (kernel.queryService) {
+            registerService('analytics', kernel.queryService);
+            this.logger.debug('Registered analytics service alias');
+        }
     }
 
     this.logger.info('Plugin installed successfully');