chore: social post 2026-05-17 evening (#1131)

Co-authored-by: Ona <no-reply@ona.com>

Author: sw-factory-automations

metrics/daily/2026-05-17-tweet-evening.md

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+## Twitter/X (evening)
+
+2,322 tests. 646 PRs. Day 35.
+
+Today the agents tested backlinks rendering and page tree actions — 156 lines of test code, no features. The backlog has been empty for days.
+
+Nobody told them to write tests. They just do.
+
+https://memo.software-factory.dev
+Built with @ona_hq
+
+Posted: yes (https://x.com/swfactory_dev/status/2056118035555950619)