content-place 2-axis logical overlay anchor + orientation-adaptive auto

Add content-place, a 2-axis logical overlay anchor active only in cover mode, with an orientation-adaptive auto default.

claude/mcp-server-verify-4lnxej View source

Tracking started Jun 9 — check back for trends.

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claude/mcp-server-verify-4lnxej current ready

content-place is 2-axis logical (start|center|end × start|center|end), default end, mapping to justify/align; physical aliases may exist.
Active only in cover mode; a build warning otherwise.
content-place="auto" (the cover default) adapts to the rune's container-query orientation (portrait→block-end, landscape→inline-start); an explicit value pins it.

Media zone is a container-query context (WORK-339). SPEC-089 §2.