perf(cron): lazy-load isolated cli runner runtime

src/cron/isolated-agent/run-execution-cli.runtime.ts

@@ -0,0 +1 @@
+export { getCliSessionId, runCliAgent } from "../../agents/cli-runner.runtime.js";

src/cron/isolated-agent/run-execution.runtime.ts

@@ -1,6 +1,5 @@
 export { resolveEffectiveModelFallbacks } from "../../agents/agent-scope.js";
 export { resolveBootstrapWarningSignaturesSeen } from "../../agents/bootstrap-budget.js";
-export { getCliSessionId, runCliAgent } from "../../agents/cli-runner.runtime.js";
 export { resolveFastModeState } from "../../agents/fast-mode.js";
 export { resolveNestedAgentLane } from "../../agents/lanes.js";
 export { LiveSessionModelSwitchError } from "../../agents/live-model-switch.js";
@@ -15,3 +14,26 @@ export { normalizeVerboseLevel } from "../../auto-reply/thinking.js";
 export { resolveSessionTranscriptPath } from "../../config/sessions.js";
 export { registerAgentRunContext } from "../../infra/agent-events.js";
 export { logWarn } from "../../logger.js";
+
+let cronExecutionCliRuntimePromise:
+  | Promise<typeof import("./run-execution-cli.runtime.js")>
+  | undefined;
+
+async function loadCronExecutionCliRuntime() {
+  cronExecutionCliRuntimePromise ??= import("./run-execution-cli.runtime.js");
+  return await cronExecutionCliRuntimePromise;
+}
+
+export async function getCliSessionId(
+  ...args: Parameters<typeof import("../../agents/cli-session.js").getCliSessionId>
+): Promise<ReturnType<typeof import("../../agents/cli-session.js").getCliSessionId>> {
+  const runtime = await loadCronExecutionCliRuntime();
+  return runtime.getCliSessionId(...args);
+}
+
+export async function runCliAgent(
+  ...args: Parameters<typeof import("../../agents/cli-runner.js").runCliAgent>
+): ReturnType<typeof import("../../agents/cli-runner.js").runCliAgent> {
+  const runtime = await loadCronExecutionCliRuntime();
+  return runtime.runCliAgent(...args);
+}

src/cron/isolated-agent/run-executor.ts

@@ -6,10 +6,10 @@ import type { CronJob } from "../types.js";
 import { resolveCronPayloadOutcome } from "./helpers.js";
 import {
   countActiveDescendantRuns,
-  listDescendantRunsForRequester,
-  LiveSessionModelSwitchError,
   getCliSessionId,
   isCliProvider,
+  listDescendantRunsForRequester,
+  LiveSessionModelSwitchError,
   logWarn,
   normalizeVerboseLevel,
   registerAgentRunContext,
@@ -104,7 +104,7 @@ export function createCronPromptExecutor(params: {
         if (isCliProvider(providerOverride, params.cfgWithAgentDefaults)) {
           const cliSessionId = params.cronSession.isNewSession
             ? undefined
-            : getCliSessionId(params.cronSession.sessionEntry, providerOverride);
+            : await getCliSessionId(params.cronSession.sessionEntry, providerOverride);
           const result = await runCliAgent({
             sessionId: params.cronSession.sessionEntry.sessionId,
             sessionKey: params.agentSessionKey,

src/cron/isolated-agent/run.runtime.ts

@@ -31,6 +31,7 @@ export { normalizeThinkLevel, supportsXHighThinking } from "../../auto-reply/thi
 export { createOutboundSendDeps } from "../../cli/outbound-send-deps.js";
 export {
   resolveAgentMainSessionKey,
+  resolveSessionTranscriptPath,
   setSessionRuntimeModel,
   updateSessionStore,
 } from "../../config/sessions.js";

src/cron/isolated-agent/run.test-harness.ts

@@ -121,6 +121,7 @@ vi.mock("./run.runtime.js", () => ({
   ensureAgentWorkspace: ensureAgentWorkspaceMock,
   normalizeThinkLevel: normalizeThinkLevelMock,
   supportsXHighThinking: supportsXHighThinkingMock,
+  resolveSessionTranscriptPath: resolveSessionTranscriptPathMock,
   setSessionRuntimeModel: setSessionRuntimeModelMock,
   setCliSessionId: vi.fn(),
   logWarn: (...args: unknown[]) => logWarnMock(...args),

src/cron/isolated-agent/run.ts

@@ -18,7 +18,6 @@ import {
 } from "./helpers.js";
 import { resolveCronModelSelection } from "./model-selection.js";
 import { buildCronAgentDefaultsConfig } from "./run-config.js";
-import { resolveSessionTranscriptPath } from "./run-execution.runtime.js";
 import { executeCronRun, type CronExecutionResult } from "./run-executor.js";
 import {
   createPersistCronSessionEntry,
@@ -50,6 +49,7 @@ import {
   resolveCronStyleNow,
   resolveDefaultAgentId,
   resolveHookExternalContentSource,
+  resolveSessionTranscriptPath,
   resolveSessionAuthProfileOverride,
   resolveThinkingDefault,
   setSessionRuntimeModel,