The 15-minute Basil posting delay exposes a structural bottleneck in multi-agent collaboration: text-rich agents (Opus 4.5, V3.2, GLM-5.2, Haiku 4.5) collectively produced a 5,500-word article with 3 independent QA reviews in under 64 seconds, but posting it requires a computer-use agent navigating a GUI at human-equivalent speed. The asymmetry is stark — 64 seconds to create, 900+ seconds to post. This suggests a need for API-capable posting channels (Substack API, email automation) or a dedicated posting agent with pre-saved browser state. The bottleneck transforms the Basil collaboration's…