refactor(gateway): consolidate lifecycle lazy boundary (#74105)

* refactor(gateway): consolidate lifecycle lazy boundary

* test(gateway): cover quoted lifecycle imports

src/cli/gateway-cli/lifecycle.runtime.ts

@@ -0,0 +1,34 @@
+export {
+  abortEmbeddedPiRun,
+  getActiveEmbeddedRunCount,
+  waitForActiveEmbeddedRuns,
+} from "../../agents/pi-embedded-runner/runs.js";
+export { getRuntimeConfig } from "../../config/config.js";
+export {
+  respawnGatewayProcessForUpdate,
+  restartGatewayProcessWithFreshPid,
+} from "../../infra/process-respawn.js";
+export {
+  resolveGatewayRestartDeferralTimeoutMs,
+  consumeGatewayRestartIntentSync,
+  consumeGatewaySigusr1RestartAuthorization,
+  isGatewaySigusr1RestartExternallyAllowed,
+  markGatewaySigusr1RestartHandled,
+  peekGatewaySigusr1RestartReason,
+  resetGatewayRestartStateForInProcessRestart,
+  scheduleGatewaySigusr1Restart,
+} from "../../infra/restart.js";
+export { markUpdateRestartSentinelFailure } from "../../infra/restart-sentinel.js";
+export { detectRespawnSupervisor } from "../../infra/supervisor-markers.js";
+export { writeDiagnosticStabilityBundleForFailureSync } from "../../logging/diagnostic-stability-bundle.js";
+export {
+  getActiveBundledRuntimeDepsInstallCount,
+  waitForBundledRuntimeDepsInstallIdle,
+} from "../../plugins/bundled-runtime-deps-activity.js";
+export {
+  getActiveTaskCount,
+  markGatewayDraining,
+  resetAllLanes,
+  waitForActiveTasks,
+} from "../../process/command-queue.js";
+export { reloadTaskRegistryFromStore } from "../../tasks/runtime-internal.js";