docs(env): 更新 .env.example 中的注释说明

添加关于默认提供商的注释说明，明确 codex_oauth 为默认且不需要 OPENAI_API_KEY
2026-03-14 11:04:15 +08:00 · 2026-03-14 11:04:15 +08:00 · c9408db34a
parent 31abb735c6
commit c9408db34a
1 changed files with 1 additions and 0 deletions
--- a/.env.example
+++ b/.env.example
@ -1,3 +1,4 @@
+# Default provider is `codex_oauth` and does not require OPENAI_API_KEY.
 # LLM Providers (set the one you use)
 OPENAI_API_KEY=
 GOOGLE_API_KEY=