v5.20.4

What's Changed

• models: bound default-sonnet cost via auto-compaction budget (keep truthful 1M); split openai-compatible/query.ts by @griffinwork40 in #407
• fix(tui): coalesce post-ESC type-ahead so soft-stop doesn't strand input one turn behind by @griffinwork40 in #403
• test: isolate vitest state writes from real ~/.afk by @griffinwork40 in #411

Full Changelog: v5.20.3...v5.20.4