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writing · 80 essays

The archive

Essays on engineering leadership, the agentic SDLC, platform engineering, and enterprise AI — what actually constrains software delivery.

Series 4

// featured · August 23, 2026

My Mac Ran Out of Headroom, So I Built Some

A runaway collection of agents, local models, and browser processes pushed my Mac past the point where Activity Monitor was useful. So I built System Headroom, and Apple's sandbox ended up shaping the product more than I expected.

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agentic-sdlc
$ vinny init agentic-sdlc
 spinning up reasoning loop
 spec generated · 217 lines
 tests scaffolded · 14 cases
 coverage gap detected · branch /auth
 prompting refinement
 branch coverage · 96%
// shipping behavior, not just code

featured