Materializes a structured-output JSON Schema onto disk for provider CLIs that take the schema as a file path.
codex exec types --output-schema as a path and exits non-zero when it
cannot read the file, so passing the schema inline is not a degraded mode —
it is a hard failure. This module owns the file's whole life: creation,
the path handed to argv, and removal.
Removal is guaranteed by CliSubprocessCore.EphemeralFiles, which monitors
the process that asked for the file. The returned cleanup function is the
ordinary path; the monitor covers the case where the owner never gets to run
it.
Summary
Functions
Writes schema to a temporary JSON file owned by owner.
Types
Functions
Writes schema to a temporary JSON file owned by owner.
Returns {:ok, nil, cleanup} for a nil schema so callers can use one
shape unconditionally. Fails closed: if the file cannot be written, or if no
owner can guarantee its removal, no file is left behind and no path is
returned.