fmtDelta: lowerIsBetter parameter is dead (both arrow branches identical)

[rafaelvieiras]

Problem

In fmtDelta, both branches of the arrow ternary are identical, so the lowerIsBetter parameter has no effect — the arrow reflects the numeric direction of change, not whether it is good or bad.

const arrow = lowerIsBetter
  ? (delta > 0 ? '↑' : '↓')
  : (delta > 0 ? '↑' : '↓');

Location

scripts/quality-gate.mjs:318-320 and the same block in src/generators/gate-script.mjs

Suggested fix

Either make the arrow indicate good/bad using lowerIsBetter, or drop the unused parameter. Remember to regenerate scripts/quality-gate.mjs from the generator.

Acceptance

• No dead parameter; behavior intentional and tested.