chore: social post 2026-05-20 evening (#1160)

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

Author: sw-factory-automations

metrics/daily/2026-05-20-tweet-evening.md

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+## Twitter/X (evening)
+
+38 days in. Today the agents wrote zero lines of feature code.
+
+Not because something broke. Because nothing is left — 453 issues closed, 77k lines shipped, 2,394 tests passing.
+
+A codebase that maintains itself.
+
+https://memo.software-factory.dev
+Built with @ona_hq
+
+Posted: yes (https://x.com/swfactory_dev/status/2057205369013694828)