📦 refactor: Request Message Sanitization for Smaller Final Response (#10792)

* refactor: implement sanitizeFileForTransmit and sanitizeMessageForTransmit functions for smaller payload to client transmission

* refactor: enhance sanitizeMessageForTransmit to preserve empty files array and avoid mutating original message

* refactor: update sanitizeMessageForTransmit to ensure immutability of files array and improve test clarity

packages/api/src/utils/index.ts

@@ -21,3 +21,4 @@ export { default as Tokenizer, countTokens } from './tokenizer';
 export * from './yaml';
 export * from './http';
 export * from './tokens';
+export * from './message';