<!-- HARNESS MIRROR — do not edit here. Canonical source: skills/ or commands/. After editing source, copy into cli/assets/<harness / and repo-root harness mirrors. -- Context: this sub-skill is one lens of the broader skill. If the skill is also installed, read its SKILL.md first for Discovery + Anti-Slop + Craft Test, then apply the specific lens below. Harden the UI at for production. Load the skill. Coverage matrix — check every key surface: 1. Loading — skeletons match the final layout (no CLS on resolve), shown after 200ms to avoid flash on fast responses. Never a generic centered spinn…