Deep Dive into the LangBot Plugin System: Process Isolation, Event-Driven Hooks, and Component Architecture
Most chatbot frameworks call their “plugin system” a glorified dynamic import of Python modules. LangBot 4.0 takes a harder but more principled approach — every plugin runs in its own process, communicating with the host through a structured JSON-RPC-style protocol. This article dissects the system from source code, end to end. Overall Architecture: A Three-Layer Process Model LangBot’s plugin system consists of three cooperating process layers: ...