Replace Bun test runner with Vitest across workspace
Fix extension harness tests for Vitest deps and Chai matchers
Migrate workspace tooling to mise; keep root Bun workspace
0.0.2
Git history:
no extensions/fast commits since v0.0.1
Keep fast.enable settings contract unchanged
Keep serviceTier: "priority" wrapper for openai-codex unchanged
# Changelog
## 0.0.3
- Own fast status in @bugabinga/pi-ext-fast
- Replace Bun test runner with Vitest across workspace
- Fix extension harness tests for Vitest deps and Chai matchers
- Migrate workspace tooling to mise; keep root Bun workspace
## 0.0.2
- Git history:
no `extensions/fast` commits since `v0.0.1`
- Keep `fast.enable` settings contract unchanged
- Keep `serviceTier:
"priority"` wrapper for `openai-codex` unchanged