Slice 2 — character as a composed rune, against the SEO baseline
SPEC-145's full worked example and its spike criterion. It is the first composed rune with a schema row: Person, which a first-party definition may declare under D25. It is also the first that uses sections with each and $each.heading, and a preamble with an image slot.
character is the case WORK-617 was cancelled for. Its transform failed SPEC-143's D4 family test, so it is replaced rather than declared. The composed version drops the character-section child rune entirely.
Like WORK-624, it ships beside the plugin (SPEC-147 D1). The reference is the storytelling character fixture in contracts/seo-baseline/. The gate is that every difference from it is explained, not that there are none (SPEC-147 D2). Two differences are already decided: