Three examples:
- basic.rs: query() one-shot prompt + cost reporting.
- with_options.rs: system_prompt, model selection, effort, permission mode.
- interactive.rs: Client multi-turn session with two back-to-back sends.
Integration tests in tests/transport_end_to_end.rs spawn a tiny POSIX
shell script (tests/fake_cli/fake-claude.sh) as a stand-in for the real
claude CLI. The fake answers -v with a version, reads one user-message
frame on stdin, and emits a fixed assistant + result pair on stdout, then
blocks on stdin until close. This proves the spawn / write / read /
disconnect lifecycle works without an authenticated claude install.
Coverage:
- query() round-trip: stream yields Assistant then Result.
- Client round-trip: connect + send + drain to Result + disconnect.
- CLI-not-found surfaces as a typed Error::CliNotFound.
Cargo.lock is committed since this is, in practice, both a library and a
binary (the examples link the crate). Locking dev-deps avoids surprise
churn in CI.
Kayos
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