feat(run): agent execution contract and bounded multi-host fan-out - #40
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Implement sshx run as the canonical agent contract: versioned request/result events, strict host selectors, byte-preserving script payloads, typed credential roles, explicit trust bypasses, and concurrency-bounded fan-out with JSONL completion semantics. Closes #39. Co-authored-by: Copilot App <223556219+Copilot@users.noreply.github.com>
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Summary
Implements #39: a stable agent execution contract so complex scripts arrive byte-for-byte and the same action can fan out safely across an explicit, bounded host set.
sshx runwith versioned request/result/event models--target(s),--group,--tag(AND),--all-hosts,--address--script-file/--script-stdinwith SHA-256 + size limitsconcurrencydefault 4 / hard max 32),continue|fail_fast, JSONL events.env; high-risk env bypasses ignored; SSH login vs sudo key roles splitgroups/tags/ssh_password_key/sudo_password_keyCompatibility
sshx -h=... --json "cmd"single-host paths remain supportedpassword_keyis treated as sudo-onlyTest plan
go test -race ./internal/...go test ./tests/e2e(includes 32-host concurrency 1/4/8/32)make lintRelease note
Not release-ready as a tag yet: changelog is still under
[Unreleased]. After merge, cutv0.3.0by moving the Unreleased section to a dated version entry and runningmake tag TAG=v0.3.0.Closes #39