Skill: Primitive Enforcer

Goal

Prevent variant sprawl from day one.

Trigger

Any PR that touches UI components OR adds/edits tooltip/skeleton/badge/table/price/error/empty/loading code.

Non-negotiable rule

One primitive per cross-cutting concern.

Canonical primitives (placeholders until created)

• •TooltipPrimitive (TBD path)
• •SkeletonPrimitive (TBD)
• •ConfidenceBadgePrimitive (TBD)
• •PriceFormatPrimitive (TBD)
• •TablePrimitive (TBD)
• •Empty/ErrorStatePrimitive (TBD)

Enforcement behavior (declarative)

• •Reviewer/AI MUST STOP if a PR introduces a new component that overlaps a cross-cutting primitive.
• •Canonical primitives MUST be reused or extended, not duplicated.

Required PR evidence

• •PR description MUST include: "I used canonical primitive X; no new variants introduced."

STOP examples (variant sprawl)

• •Adding a new tooltip/skeleton/badge/table/price/empty/error component instead of extending the canonical primitive.
• •Duplicating formatting helpers for price or confidence display.
• •Introducing a new ad-hoc empty/error state pattern when a canonical primitive exists.

Rebuild Isolation (LOCKED)

• •Rebuild implementation must live in a dedicated rebuild namespace/folder tree (name TBD).
• •Rebuild code MUST NOT import from legacy paths.
• •Legacy is read-only reference; reuse only after passing rebuild contracts.