[codex] Explore executor-bound path API#18241
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Adds executor-bound path helpers and threads them through skills, config loading, AGENTS.md loading, view_image, and apply_patch to evaluate the API blast radius. Harness-owned reads use explicit unsandboxed access while tool-call paths carry the sandbox context through the path access wrapper. Validation: just fmt; git diff --check. Co-authored-by: Codex <noreply@openai.com>
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Summary
Draft follow-up stacked on #18209 to explore the blast radius of an executor-bound path API.
This adds
ExecutorPath,ExecutorPathRef, andExecutorPathAccessas an explicit split between path identity and operation access mode. The exploratory conversions use:path.unsandboxed()for Codex harness/config reads such as config layers, AGENTS.md, skills, agent roles, and git trust discoverypath.with_sandbox(sandbox)for model/tool initiated file operations such asview_imageandapply_patchWhat changed
view_imageto read through a sandboxed executor path access object.apply_patchinternals to use sandboxed executor path access for read/stat/write/create/delete operations.Notes
This is intentionally broad and exploratory. The goal is to make the API pressure visible before deciding what should be trimmed into a reviewable final shape.
Validation
cd codex-rs && just fmtgit diff --checkTests/builds were not run locally.