v1.7.2 — Codex Model Update

What's Fixed

Codex default model updated to gpt-5.5

The previous default (gpt-5-codex) is no longer available in Codex CLI and required API key auth, causing spawned Codex instances to fail. Updated to gpt-5.5 which works with ChatGPT subscription login.

Updated allowed Codex models

Now matches current Codex CLI options: gpt-5.5, gpt-5.4, gpt-5.4-mini, gpt-5.3-codex, gpt-5.3-codex-spark, gpt-5.2.

Full Changelog: v1.7.1...v1.7.2