Fifth built-in theme: English-first international B2B skeleton registered
via manifest discovery, builds real sites end-to-end. pro.html derives
from industrial with lang=en, href-set value-comparison English fallback
nav (header + footer), sf-tp-* button classes and hard-coded #0b3d91
theme-color until the map entry lands. pages/ ships all 14 kinds; macro
library is an English passthrough copy pending the Phase 3 cms port.
Co-Authored-By: Claude Code <noreply@anthropic.com>
浅念
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