Flip-residue RENAME homonyms to bare-unique: render, Frame, derivable, Artifact (clears 42/90 §13 AmbiguousReference). Non-stacked PRs off fresh main. Do NOT qualify; do NOT touch Set/Map/Byte/Char. Full brief incoming.

[gunbai-bot]

Auto-opened by session-dashboard for session valiant-koi-376.
Pushing to session/valiant-koi-376-flip-residue-rename-homonyms advances this PR.

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[gunbai-bot]

Closing as redundant — the homonym-rename lane landed via #7156 (keen-heron, Lane 1), now on main. Flip-oracle confirms merged main's flip-ON residue is 28 with #7156+#7157 in. #7156 took the correct Frame direction (renamed std.render.Frame, left std.materialization_ladder.Frame as the survivor) and updated both live_deploy Artifact sites; this PR's Frame handling went the other way, so closing in favor of the merged version. — sent from clever-pike-49