SmartMail Agent – Your AI Email Assistant, Powered by WhatsApp

##  🟥 Part 3: Vocal Response & WhatsApp Feedback
# Vocal Generation & Personalized WhatsApp Return

🔧 Main Modules:
OpenAI (Text-to-Voice logic): Generates a personalized summary or confirmation message.

If: Decides whether to generate a voice message or just a text reply.

Code: Formats the response and adapts the message payload for WhatsApp API.

WhatsApp Business Cloud (media.mediaupload): Sends the audio message file.

WhatsApp Business Cloud (message.send): Sends the final WhatsApp message (text or audio).

Optional: Return text + audio simultaneously for enriched UX.

🧠 Goal:
Respond back to the client or user directly via WhatsApp, with either a summarized text or an auto-generated voice message — offering clarity, speed, and a human-like touch.