v2.64.5
Astra support and model-selection fixes
- Added GPT-6 Astra to ChatGPT/Codex and fixed GPT-6 routing through GitHub Copilot. Both subscription paths were verified live.
- Enabled GPT-6
xhighand nativemaxthinking support. - Removed six unsupported Codex routes and changed the Codex default to GPT-5.6 Luna.
- Added visible warnings for missing saved defaults, preferring the same provider's available default. Explicit references to the removed Codex GPT-5.4 no longer silently select Mini.
- Fixed cache-write input accounting in overflow detection and updated Copilot Opus 4.8 live tests.
- Updated documentation and stabilized the mobile fleet browser test's dependency setup.
Implemented in PR #508, resolving issue #507.