v0.0.2

What's Changed

• refactor(net): extract shared recv→send body pump (§6, §7) by @floatdrop in #59
• Admin/metrics listener: Prometheus scrape endpoint (§8, PLANS.md Phase 2.5) by @floatdrop in #60
• feat: operator-selectable concurrency via the io_uring CQSIZE c10k lever by @floatdrop in #61
• Make the ⅞ CQ fill an operator-tunable default (§8) by @floatdrop in #62

Full Changelog: v0.0.1...v0.0.2