52 commands, 3 doors: the app, REST and MCP share one write path

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My ticket tracker has three ways in: the web app, a REST API and an MCP server. Every write from all three goes through the same 52 commands, and the Firestore rules deny everything else. It costs 150 to 400 ms a write where a direct client write takes about 50 ms. I'm Panth, and I lead the software team at Oizom. The tracker is ticket-tracker, my open-source board where coding agents work tickets next to people.

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