How to build a secure WhatsApp AI assistant with...

I texted "prep me for my 2pm" on WhatsApp. Thirty seconds later, my phone buzzed back with a structured briefing: who I was meeting, what we last discussed over email, what my team said about them in Slack, and three talking points. No browser tab. No laptop. Just a message on my commute. That's the promise of an always-on AI assistant. And until recently, it was almost impossible to build one that actually worked. Open-source frameworks like OpenClaw made headless, two-way messaging agents popu