chore: import upstream snapshot with attribution

apps/sim/tools/mem0/utils.ts

@@ -0,0 +1,39 @@
+import { toError } from '@sim/utils/errors'
+import type { Mem0Message } from '@/tools/mem0/types'
+
+export type JsonRecord = Record<string, unknown>
+
+function isMem0Message(value: unknown): value is Mem0Message {
+  return (
+    value !== null &&
+    typeof value === 'object' &&
+    'role' in value &&
+    'content' in value &&
+    (value.role === 'user' || value.role === 'assistant') &&
+    typeof value.content === 'string' &&
+    value.content.length > 0
+  )
+}
+
+export function parseMem0Messages(value: unknown): Mem0Message[] {
+  let messages: unknown
+  try {
+    messages = typeof value === 'string' ? JSON.parse(value) : value
+  } catch (error) {
+    throw new Error(`Messages must be valid JSON: ${toError(error).message}`)
+  }
+
+  if (!Array.isArray(messages) || messages.length === 0) {
+    throw new Error('Messages must be a non-empty array')
+  }
+
+  const validMessages: Mem0Message[] = []
+  for (const message of messages) {
+    if (!isMem0Message(message)) {
+      throw new Error('Each message must have role user or assistant and non-empty content')
+    }
+    validMessages.push(message)
+  }
+
+  return validMessages
+}