feat(web): NetX workbench, UME-only UI, i18n, and header status

- Replace sidebar app with workbench home and module tabs (openOrFocusModule)

- Remove legacy pages; add module registry, shared tab channel, WEB.md

- Add zh/en i18n, global ToastProvider, restore oclaw bridge pill in header

Co-authored-by: Cursor <cursoragent@cursor.com>

web/src/constants/queryKeys.ts

@@ -0,0 +1,21 @@
+/** React Query keys — keep stable references for invalidation. */
+
+export const queryKeys = {
+  integrationsStatus: ["integrationsStatus"] as const,
+  umeTokenStatus: ["umeTokenStatus"] as const,
+  umeAlarmSubscription: ["umeAlarmSubscription"] as const,
+  /** Prefix keys for invalidating all pages/variants of a domain. */
+  umeSyncStatusAll: ["umeSyncStatus"] as const,
+  umeNEAll: ["umeNE"] as const,
+  umeCurrentAlarmsAll: ["umeCurrentAlarms"] as const,
+  umeSyncStatus: (page: number, pageSize: number) => ["umeSyncStatus", page, pageSize] as const,
+  umeNE: (keyword: string, page: number, pageSize: number) => ["umeNE", keyword, page, pageSize] as const,
+  umeCurrentAlarms: (
+    severity: string,
+    cleared: string,
+    hostName: string,
+    keyword: string,
+    page: number,
+    pageSize: number,
+  ) => ["umeCurrentAlarms", severity, cleared, hostName, keyword, page, pageSize] as const,
+};