The previous three articles each dissected one layer of BoxAgnts' three-tier architecture:

Outer layer: Out-of-the-box user experience — Vue 3 Dashboard, REST API, WebSocket real-time communication

Middle layer: Agent Toolbox — multi-model dispatch (LlmProvider trait), Agent reasoning loop, Tool trait unified abstraction, Cron scheduling

Bottom layer: WASM security sandbox — Wasmtime engine, 11-dimensional RunOption, three-layer defense-in-depth

But the true value of architecture lies not in what each layer does individually, but in how they collaborate. This article examines this collaboration through five perspectives.