fix: poll kernels when serverManager ready

.changeset/eight-bees-speak.md

@@ -0,0 +1,33 @@
+---
+'@difizen/libro-kernel': patch
+'@difizen/libro-docs': patch
+'@difizen/libro-code-cell': patch
+'@difizen/libro-code-editor': patch
+'@difizen/libro-codemirror': patch
+'@difizen/libro-cofine-editor': patch
+'@difizen/libro-cofine-editor-contribution': patch
+'@difizen/libro-cofine-editor-core': patch
+'@difizen/libro-cofine-textmate': patch
+'@difizen/libro-common': patch
+'@difizen/libro-core': patch
+'@difizen/libro-jupyter': patch
+'@difizen/libro-l10n': patch
+'@difizen/libro-lab': patch
+'@difizen/libro-language-client': patch
+'@difizen/libro-lsp': patch
+'@difizen/libro-markdown': patch
+'@difizen/libro-markdown-cell': patch
+'@difizen/libro-output': patch
+'@difizen/libro-prompt-cell': patch
+'@difizen/libro-raw-cell': patch
+'@difizen/libro-rendermime': patch
+'@difizen/libro-search': patch
+'@difizen/libro-search-code-cell': patch
+'@difizen/libro-shared-model': patch
+'@difizen/libro-terminal': patch
+'@difizen/libro-toc': patch
+'@difizen/libro-virtualized': patch
+'@difizen/libro-widget': patch
+---
+
+fix:poll kernels when serverManager ready

packages/libro-kernel/src/kernel/libro-kernel-manager.ts

@@ -77,6 +77,7 @@ export class LibroKernelManager {
 
     // Initialize internal data.
     this._ready = (async () => {
+      await this.serverManager.ready;
       await getOrigin(this._pollModels).start();
       await getOrigin(this._pollModels).tick;
       this._isReady = true;