Files
codex/codex-rs/file-system
jif 6ad0e943cc Reduce startup latency for ancestor discovery (#32106)
## Why

Serial metadata probes add remote round trips while Codex discovers project
instructions, repository skills, and project-root markers during startup.

## What changed

- Probe ancestor directories concurrently while preserving discovery order.
- Raise the shared find-up probe window to cover typical project hierarchies.
- Refresh project instructions in parallel with plugin and skill warmup.

## Testing

Add coverage that blocks one metadata request and verifies all expected project-root
and `AGENTS.md` ancestor probes have started before it is released.

GitOrigin-RevId: 11449837c7a212ec8ed385e7290476e926d93531
2026-07-10 09:39:08 +00:00
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