feat(fleet-launcher): introduce kitty spawn + heartbeat crate#158
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Ports the kitty-spawn path from ~/Documents/hcom (terminal.rs) into a small standalone API for codex-fleet supervisors and tooling. - lib.rs: CLI spawn surface (codex / claude / gemini / claw) - heartbeat.rs: presence/heartbeat file + sysinfo-based liveness checks - bin/spawn.rs: fleet-spawn CLI Workspace registers it automatically via the existing `fleet-*` glob. This lands the previously-staged crate so the dependent CliConvention refactor (agent/refactor-cli-convention-trait) can be rebased onto main and merged as a follow-up.
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Summary
Ports the kitty-spawn path from
~/Documents/hcom(terminal.rs) into a small standalone API for codex-fleet supervisors and tooling.lib.rs— CLI spawn surface (codex / claude / gemini / claw)heartbeat.rs— presence/heartbeat file +sysinfo-based liveness checksbin/spawn.rs—fleet-spawnCLIWorkspace registers it automatically via the existing
fleet-*glob inrust/Cargo.toml— no workspace manifest edit needed.Why now
This crate has been staged-but-uncommitted on the primary checkout for a while. Landing it unblocks a follow-up refactor PR (
agent/refactor-cli-convention-trait) that introduces aCliConventiontrait to replace the per-CLI match inbuild_command_line(). That refactor is held locally until this lands.Deps added
libc 0.2,sysinfo 0.32(default-features disabled,systemfeature only),jiff 0.2— plus their transitives inCargo.lock(+204 lines).Test plan
cargo check -p fleet-launcher— cleancargo test -p fleet-launcher— 12/12 pass (lib + heartbeat unit tests)fleet-spawnbinary end-to-end (kitty window spawn) — not run in CI, requires interactive kitty