Files
codex/codex-rs/core/src/config
jif-oai 2817866a32 fix: reduce ConfigBuilder::build stack usage (#20650)
## Why

`ConfigBuilder::build` performs a large amount of async config loading.
Leaving that entire future on the caller stack makes config startup more
fragile on small runtime worker stacks.

## What changed

- keep `ConfigBuilder::build` as a thin wrapper that boxes the
config-loading future before awaiting it
- move the existing implementation into a private `build_inner` method
so the large async state machine lives on the heap instead of the
runtime thread stack

## Testing

- Not run locally
2026-05-01 20:24:17 +02:00
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