Capstone: GatewayMeter Under Fire

The whole job, a failure contract per operator, and every failure at once

Derive the production GatewayMeter from its requirements rather than assemble it from the modules: write the failure contract for every operator first, then draw the job. The injection suite runs a TaskManager death, a stalled partition, a slow billing service and a hot tenant simultaneously, and the bill must still be right.

Estimated time: 120 minutes

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