Initial public release

packages/ui/src/lib/messages/synthetic.ts

@@ -0,0 +1,16 @@
+import type { Part } from "@opencode-ai/sdk";
+
+const isSyntheticPart = (part: Part | undefined): boolean => {
+    if (!part || typeof part !== "object") {
+        return false;
+    }
+    return Boolean((part as { synthetic?: boolean }).synthetic);
+};
+
+export const isFullySyntheticMessage = (parts: Part[] | undefined): boolean => {
+    if (!Array.isArray(parts) || parts.length === 0) {
+        return false;
+    }
+
+    return parts.every((part) => isSyntheticPart(part));
+};