diff --git a/scripts/web-probe-sentinel-scheduler.ts b/scripts/web-probe-sentinel-scheduler.ts
index 0df6577c..1c4c7f51 100644
--- a/scripts/web-probe-sentinel-scheduler.ts
+++ b/scripts/web-probe-sentinel-scheduler.ts
@@ -59,6 +59,9 @@ const DEFAULT_STALE_MULTIPLIER = 1;
 const DEFAULT_FETCH_TIMEOUT_MS = 15_000;
 const HOST_SCHEDULER_INTERVAL_SECONDS = 120;
 const STATE_DIR = rootPath(".state", "web-probe-sentinel-scheduler");
+const BUN_EXECUTABLE = existsSync("/usr/bin/bun") ? "/usr/bin/bun" : process.execPath || "bun";
+const SYSTEMD_PATH = "/root/.local/bin:/root/.bun/bin:/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin";
+const SYSTEMD_NO_PROXY = noProxyValue();
 
 await main().catch((error) => {
   const message = error instanceof Error ? error.stack || error.message : String(error);
@@ -168,7 +171,7 @@ function sentinelSchedules(spec: ReturnType<typeof hwlabRuntimeLaneSpecForNode>,
 
 async function triggerSentinel(options: SchedulerOptions, schedule: SentinelSchedule, before: OverviewSnapshot): Promise<TriggerResult> {
   const command = [
-    "bun",
+    BUN_EXECUTABLE,
     "scripts/cli.ts",
     "web-probe",
     "sentinel",
@@ -261,8 +264,12 @@ After=network-online.target
 
 [Service]
 Type=oneshot
+Environment=HOME=/root
+Environment=PATH=${SYSTEMD_PATH}
+Environment=NO_PROXY=${SYSTEMD_NO_PROXY}
+Environment=no_proxy=${SYSTEMD_NO_PROXY}
 WorkingDirectory=${repoRoot}
-ExecStart=/usr/bin/env bun ${join(repoRoot, "scripts", "web-probe-sentinel-scheduler.ts")} run --node ${options.node} --lane ${options.lane} --stale-multiplier ${options.staleMultiplier}
+ExecStart=${BUN_EXECUTABLE} ${join(repoRoot, "scripts", "web-probe-sentinel-scheduler.ts")} run --node ${options.node} --lane ${options.lane} --stale-multiplier ${options.staleMultiplier}
 `;
   const timer = `[Unit]
 Description=Run UniDesk web-probe sentinel host cadence scheduler for ${options.node}/${options.lane}
@@ -336,6 +343,8 @@ function rowFor(schedule: SentinelSchedule, overview: OverviewSnapshot | null, d
       recorded: trigger.recorded,
       latestRunIdBefore: trigger.latestRunIdBefore,
       latestRunIdAfter: trigger.latestRunIdAfter,
+      stdoutTail: trigger.stdoutTail,
+      stderrTail: trigger.stderrTail,
     },
     valuesRedacted: true,
   };
@@ -552,3 +561,13 @@ function systemdUnitName(options: SchedulerOptions): string {
 function safeSegment(value: string): string {
   return value.toLowerCase().replace(/[^a-z0-9._-]+/gu, "-").replace(/^-+|-+$/gu, "") || "default";
 }
+
+function noProxyValue(): string {
+  const raw = process.env.NO_PROXY || process.env.no_proxy || "";
+  const required = ["localhost", "127.0.0.1", "::1", "hyueapi.com", ".hyueapi.com"];
+  const values = raw.split(",").map((item) => item.trim()).filter(Boolean);
+  for (const item of required) {
+    if (!values.includes(item)) values.push(item);
+  }
+  return values.join(",");
+}