refactor: replace tsx with bun for TypeScript execution (#278)

docs/test.md

@@ -14,7 +14,7 @@ read_when:
 Script: `scripts/bench-model.ts`
 
 Usage:
-- `source ~/.profile && pnpm tsx scripts/bench-model.ts --runs 10`
+- `source ~/.profile && bun scripts/bench-model.ts --runs 10`
 - Optional env: `MINIMAX_API_KEY`, `MINIMAX_BASE_URL`, `MINIMAX_MODEL`, `ANTHROPIC_API_KEY`
 - Default prompt: “Reply with a single word: ok. No punctuation or extra text.”