chore: remove dev artifact bench-profile.ts

chore: remove dev artifact bench-phases.ts

chore: remove dev artifact bench-noop.ts

chore: remove dev artifact bench-compare.ts

chore: remove dev artifact bench.ts

chore: remove dev artifact results.tsv

chore: add bench artifacts to .gitignore

feat: Enterprise plan support with cost display ($) (#5)

feat: add enterprise plan support with cost display in $ (#4)

WIP(perf): add benchmarks and optimize HUD to ~15ms median

experiment: remove existsSync from git.ts, use statSync try-catch

experiment: skip visualWidth for short ASCII-only lines

experiment: eliminate existsSync before readFileSync in cache loaders

experiment: single process.stdout.write instead of per-line console.log

chore: release v1.5.2 — docs, metadata, marketplace update