In-depth technical writing on AI, ML, distributed systems, and modern engineering.
The channel adapter pattern isolates WhatsApp, widget, and mobile channel handling from the shared intelligence core. Same LLM, same RAG, di…
HMAC-SHA256 signature verification, the 20-second response requirement, deduplication by wa_msg_id, and webhook verification challenge handl…
Resolving a phone number to user+role, persona classes (Lawyer/Client/Staff/Unknown) with role-aware system prompt context, and fallback for…
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