ci: check MessageParts in the pack smoke

The consumer smoke checks one export per chat module so a dropped
export * line fails CI. MessageParts arrived after that list was
written; add it.

Author: pratikbuilds

.github/workflows/ci.yml

@@ -33,7 +33,7 @@ jobs:
           # src/index.ts fails here and not in a consumer's build.
           node --input-type=module -e '
             const m = await import("@corbits/react-ui");
-            const names = ["Button", "Badge", "Conversation", "ConversationThread", "ConversationMap", "Message", "Activity", "Reasoning", "Tool", "ToolApproval", "ToolGroup", "PromptInput", "Panel", "Attachments", "MediaViewer"];
+            const names = ["Button", "Badge", "Conversation", "ConversationThread", "ConversationMap", "Message", "Activity", "Reasoning", "Tool", "ToolApproval", "ToolGroup", "PromptInput", "Panel", "Attachments", "MediaViewer", "MessageParts"];
             const missing = names.filter((n) => typeof m[n] !== "function");
             if (missing.length) throw new Error("missing exports: " + missing.join(", "));
           '