diff --git a/apps/host-daemon/src/app.ts b/apps/host-daemon/src/app.ts
index 3b5cac969..f5f160272 100644
--- a/apps/host-daemon/src/app.ts
+++ b/apps/host-daemon/src/app.ts
@@ -63,8 +63,8 @@ interface SessionState {
 }
 
 const INTERACTIVE_INTERRUPT_RETRY_DELAY_MS = 1_000;
-const IDLE_PROVIDER_SESSION_REAP_AFTER_MS = 30 * 60 * 1000;
-const IDLE_PROVIDER_SESSION_REAP_INTERVAL_MS = 5 * 60 * 1000;
+const IDLE_PROVIDER_SESSION_REAP_AFTER_MS = 45 * 1000; // REPRO #1604: was 30 * 60 * 1000
+const IDLE_PROVIDER_SESSION_REAP_INTERVAL_MS = 15 * 1000; // REPRO #1604: was 5 * 60 * 1000
 const RUNTIME_SHELL_ENV_REFRESH_TTL_MS = 10_000;
 
 type RuntimeShellEnv = NonNullable<AgentRuntimeOptions["shellEnv"]>;