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* fix(gateway): correct launchctl command sequence for gateway restart (closes #20030) * fix(restart): expand HOME and escape label in launchctl plist path * fix(restart): poll port free after SIGKILL to prevent EADDRINUSE restart loop When cleanStaleGatewayProcessesSync() kills a stale gateway process, the kernel may not immediately release the TCP port. Previously the function returned after a fixed 500ms sleep (300ms SIGTERM + 200ms SIGKILL), allowing triggerOpenClawRestart() to hand off to systemd before the port was actually free. The new systemd process then raced the dying socket for port 18789, hit EADDRINUSE, and exited with status 1, causing systemd to retry indefinitely — the zombie restart loop reported in #33103. Fix: add waitForPortFreeSync() that polls lsof at 50ms intervals for up to 2 seconds after SIGKILL. cleanStaleGatewayProcessesSync() now blocks until the port is confirmed free (or the budget expires with a warning) before returning. The increased SIGTERM/SIGKILL wait budgets (600ms / 400ms) also give slow processes more time to exit cleanly. Fixes #33103 Related: #28134 * fix: add EADDRINUSE retry and TIME_WAIT port-bind checks for gateway startup * fix(ports): treat EADDRNOTAVAIL as non-retryable and fix flaky test * fix(gateway): hot-reload agents.defaults.models allowlist changes The reload plan had a rule for `agents.defaults.model` (singular) but not `agents.defaults.models` (plural — the allowlist array). Because `agents.defaults.models` does not prefix-match `agents.defaults.model.`, it fell through to the catch-all `agents` tail rule (kind=none), so allowlist edits in openclaw.json were silently ignored at runtime. Add a dedicated reload rule so changes to the models allowlist trigger a heartbeat restart, which re-reads the config and serves the updated list to clients. Fixes #33600 Co-authored-by: HCL <chenglunhu@gmail.com> Signed-off-by: HCL <chenglunhu@gmail.com> * test(restart): 100% branch coverage — audit round 2 Audit findings fixed: - remove dead guard: terminateStaleProcessesSync pids.length===0 check was unreachable (only caller cleanStaleGatewayProcessesSync already guards) - expose __testing.callSleepSyncRaw so sleepSync's real Atomics.wait path can be unit-tested directly without going through the override - fix broken sleepSync Atomics.wait test: previous test set override=null but cleanStaleGatewayProcessesSync returned before calling sleepSync — replaced with direct callSleepSyncRaw calls that actually exercise L36/L42-47 - fix pid collision: two tests used process.pid+304 (EPERM + dead-at-SIGTERM); EPERM test changed to process.pid+305 - fix misindented tests: 'deduplicates pids' and 'lsof status 1 container edge case' were outside their intended describe blocks; moved to correct scopes (findGatewayPidsOnPortSync and pollPortOnce respectively) - add missing branch tests: - status 1 + non-empty stdout with zero openclaw pids → free:true (L145) - mid-loop non-openclaw cmd in &&-chain (L67) - consecutive p-lines without c-line between them (L67) - invalid PID in p-line (p0 / pNaN) — ternary false branch (L67) - unknown lsof output line (else-if false branch L69) Coverage: 100% stmts / 100% branch / 100% funcs / 100% lines (36 tests) * test(restart): fix stale-pid test typing for tsgo * fix(gateway): address lifecycle review findings * test(update): make restart-helper path assertions windows-safe --------- Signed-off-by: HCL <chenglunhu@gmail.com> Co-authored-by: Glucksberg <markuscontasul@gmail.com> Co-authored-by: Efe Büken <efe@arven.digital> Co-authored-by: Riccardo Marino <rmarino@apple.com> Co-authored-by: HCL <chenglunhu@gmail.com>