[Init] Initial commit - NetMesh terminal manager

components/ai/toolArtifacts/toolArtifactResultPayload.ts

@@ -0,0 +1,60 @@
+function asRecord(value: unknown): Record<string, unknown> | null {
+  return value && typeof value === 'object' && !Array.isArray(value)
+    ? value as Record<string, unknown>
+    : null;
+}
+
+function parseJsonRecord(value: string): Record<string, unknown> | null {
+  try {
+    const parsed = JSON.parse(value) as unknown;
+    return parseResultPayload(parsed);
+  } catch {
+    return null;
+  }
+}
+
+function looksLikeJson(value: string): boolean {
+  const trimmed = value.trim();
+  return trimmed.startsWith('{') || trimmed.startsWith('[');
+}
+
+function unwrapMcpTextEnvelope(value: unknown): unknown {
+  if (Array.isArray(value)) {
+    const textPart = value.find((entry) => {
+      const record = asRecord(entry);
+      return record?.type === 'text' && typeof record.text === 'string';
+    });
+    const record = asRecord(textPart);
+    return typeof record?.text === 'string' ? record.text : value;
+  }
+
+  const record = asRecord(value);
+  if (record?.type === 'text' && typeof record.text === 'string') {
+    return record.text;
+  }
+  if (Array.isArray(record?.content)) {
+    return unwrapMcpTextEnvelope(record.content);
+  }
+  if (typeof record?.content === 'string' && looksLikeJson(record.content)) {
+    return record.content;
+  }
+  if (typeof record?.detailedContent === 'string' && looksLikeJson(record.detailedContent)) {
+    return record.detailedContent;
+  }
+  if (Array.isArray(record?.contents)) {
+    return unwrapMcpTextEnvelope(record.contents);
+  }
+
+  return value;
+}
+
+export function parseResultPayload(result: unknown): Record<string, unknown> | null {
+  if (result == null) return null;
+  const unwrapped = unwrapMcpTextEnvelope(result);
+
+  if (typeof unwrapped === 'string') {
+    return parseJsonRecord(unwrapped);
+  }
+
+  return asRecord(unwrapped);
+}