Module sidecar 

Structs

BackendSpawnResult

State returned after successfully spawning the backend.

Functions

parse_estart 🔒

Parse the key=value fields out of a AGENTMUXSRV-ESTART line.

resolve_backend_binary 🔒

Resolve the backend binary path.

spawn_backend

Spawn the agentmux-srv backend sidecar and wait for it to signal readiness via a AGENTMUXSRV-ESTART line on stderr (30s timeout).

use_launcher_endpoints

Phase B.1: when the launcher has already spawned srv (env var AGENTMUX_BACKEND_WS is set), populate state from the env vars the launcher passed and return Ok — no need to spawn srv ourselves.