pi-mono Deep Dive 2: Monorepo Architecture & Core Abstractions — How 7 Packages Divide Work & Why Dependencies Flow One Way
From user-visible features into architecture: 7 npm packages with clear boundaries, one-way dependency flow, why pi-tui/pi-telemetry have zero deps, how pi-ai encapsulates provider details, lockstep versioning avoiding diamond deps. Builds an 'outside-in' mental model.