<!-- 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. Design every non-happy state for the UI at . Load the skill and read . Step 1 — Inventory. List every data source and interactive surface in the target. For each, enumerate its states: | Surface | idle | loading | empty | error | partial | c…