✨ [feat][ai-config] refine AGENTS.md

Author: tomy0000000

pkg/ai-config/GLOBAL-AGENTS.md

@@ -65,6 +65,10 @@ For multi-step tasks, state a brief plan:
 
 Strong success criteria let you loop independently. Weak criteria ("make it work") require constant clarification.
 
+## Coding conventions
+
+- Use test-driven-development (TDD) whenever possible. Always start with a testing plan. If you can't come up a simple testing plan, it's probably a sign that the code is too complex.
+
 ## Shell conventions
 
 - To check whether an env var is set, use `printenv SOME_ENV` (never `env | grep` or bare `env`)

pkg/ai-config/README.md

@@ -6,6 +6,7 @@ Shares a single `AGENTS.md` across AI coding agents and installs reusable skills
 
 - A global `GLOBAL-AGENTS.md`
   - Copied from [multica-ai/andrej-karpathy-skills](https://github.com/multica-ai/andrej-karpathy-skills)
+  - Some idea inspired by [Good software development habits](https://zarar.dev/good-software-development-habits/)
   - symlinked from `~/.codex/AGENTS.md` for Codex
   - symlinked from `~/.claude/CLAUDE.md` for Claude Code
 - Skills installed globally via `npx skills add` for `universal` + `claude-code` agents: