Event-bus prototype is well-structured for a side project: pub/sub, retry, dead-letter, and a small consumer registry. Naming is consistent within files, drifts across files. Three TODOs reference real edge cases (out-of-order delivery, idempotency); no shipped fix yet.

Spotty: one repo has CLAUDE.md, two don't. Copilot suggestions appear lightly reviewed in older PRs (Q1 2025), more carefully reviewed in recent commits — improving trajectory. Worth probing on the interview to understand the practice he wants to land on.

Capstone: a from-scratch event bus with at-least-once delivery semantics. Documented design decisions on the partition strategy. Ambitious for a personal project; whether the execution matches the ambition is the interview question.