Kinneyzhang 35f8eb80ef feat: turn Ebox playground into layout gallery ... Replace the bare fixture with a 720 px three-section Grid and Flex reference, add paired design documentation, and lock the compact-window width contract.\n\nVerified with make check and a single-window GUI capture at a 784 px body width; rendered content stayed at 720 px.		2026-08-05 12:01:51 +08:00
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ebox-playground-tests.el	feat: turn Ebox playground into layout gallery	2026-08-05 12:01:51 +08:00