diff --git a/scripts/src/hwlab-node-web-observe-runner-source.ts b/scripts/src/hwlab-node-web-observe-runner-source.ts
index 83548fa0..3379a421 100644
--- a/scripts/src/hwlab-node-web-observe-runner-source.ts
+++ b/scripts/src/hwlab-node-web-observe-runner-source.ts
@@ -358,8 +358,9 @@ async function processCommand(command) {
       alternateResponsePaths: ["/v1/agent/chat/steer"],
       noActiveReason: "send-no-turn-composer",
       throwOnActionMismatch: true,
+      expectedActionWaitMs: command.expectedActionWaitMs,
     }), "sendPrompt");
-    case "steer": return withObserverSync(await sendPrompt(String(command.text || ""), { expectedAction: "steer", responsePath: "/v1/agent/chat/steer", noActiveReason: "steer-no-active-turn" }), "steer");
+    case "steer": return withObserverSync(await sendPrompt(String(command.text || ""), { expectedAction: "steer", responsePath: "/v1/agent/chat/steer", noActiveReason: "steer-no-active-turn", expectedActionWaitMs: command.expectedActionWaitMs }), "steer");
     case "cancel": return withObserverSync(await cancelRunningTurn(), "cancel");
     case "selectProvider": return withObserverSync(await selectProvider(String(command.provider || command.value || command.text || "")), "selectProvider");
     case "clickSession": return withObserverSync(await clickSession(String(command.sessionId || command.value || "")), "clickSession");
@@ -1520,8 +1521,11 @@ async function sendPrompt(text, options = {}) {
   ].join(", ")).last();
   await submit.waitFor({ state: "visible", timeout: 15000 });
   if (options.expectedAction) {
-    const actionWaitMs = Number.isFinite(Number(options.expectedActionWaitMs))
-      ? Math.max(1000, Math.trunc(Number(options.expectedActionWaitMs)))
+    const configuredActionWaitMs = options.expectedActionWaitMs === null || options.expectedActionWaitMs === undefined || options.expectedActionWaitMs === ""
+      ? null
+      : Number(options.expectedActionWaitMs);
+    const actionWaitMs = Number.isFinite(configuredActionWaitMs)
+      ? Math.max(1000, Math.trunc(configuredActionWaitMs))
       : options.expectedAction === "turn" ? 180000 : 1000;
     const actionDeadline = Date.now() + actionWaitMs;
     let composer = null;
@@ -3798,6 +3802,7 @@ function commandInputSummary(command) {
     severity: command.severity || null,
     alternateSessionStrategy: command.alternateSessionStrategy || null,
     expectedSentinelRange: command.expectedSentinelRange || null,
+    expectedActionWaitMs: command.expectedActionWaitMs === null || command.expectedActionWaitMs === undefined || command.expectedActionWaitMs === "" ? null : Number(command.expectedActionWaitMs),
     requireComposerReady: command.requireComposerReady === true,
     findingId: command.findingId || null,
     blocking: command.blocking === true ? true : command.blocking === false ? false : null,
diff --git a/scripts/src/hwlab-node-web-sentinel-cicd.ts b/scripts/src/hwlab-node-web-sentinel-cicd.ts
index c94e1457..5b1a3a39 100644
--- a/scripts/src/hwlab-node-web-sentinel-cicd.ts
+++ b/scripts/src/hwlab-node-web-sentinel-cicd.ts
@@ -2317,6 +2317,7 @@ function runSentinelQuickVerify(state: SentinelCicdState, reason: string, timeou
       }
       if (type === "sendPrompt") {
         args.push("--text", prompts.prompts[promptIndex % prompts.prompts.length] ?? "");
+        args.push("--expected-action-wait-ms", String(numberAtNullable(item, "expectedActionWaitMs") ?? 45000));
         promptIndex += 1;
       }
       appendScenarioObserveCommandArgs(args, item, { skipText: type === "sendPrompt" });
diff --git a/scripts/src/hwlab-node/entry.ts b/scripts/src/hwlab-node/entry.ts
index a46a7ca4..1737b9f2 100644
--- a/scripts/src/hwlab-node/entry.ts
+++ b/scripts/src/hwlab-node/entry.ts
@@ -202,6 +202,7 @@ export interface NodeWebProbeObserveOptions {
   commandSeverity: string | null;
   commandAlternateSessionStrategy: string | null;
   commandExpectedSentinelRange: string | null;
+  commandExpectedActionWaitMs: number | null;
   commandRequireComposerReady: boolean;
   commandFindingId: string | null;
   commandBlocking: boolean | null;
diff --git a/scripts/src/hwlab-node/web-probe-observe.ts b/scripts/src/hwlab-node/web-probe-observe.ts
index 53ad3f8c..e8358398 100644
--- a/scripts/src/hwlab-node/web-probe-observe.ts
+++ b/scripts/src/hwlab-node/web-probe-observe.ts
@@ -259,6 +259,7 @@ export function parseNodeWebProbeObserveOptions(
     "--severity",
     "--alternate-session-strategy",
     "--expected-sentinel-range",
+    "--expected-action-wait-ms",
     "--finding-id",
     "--source-id",
     "--file-ref",
@@ -349,6 +350,11 @@ export function parseNodeWebProbeObserveOptions(
   const commandSeverity = optionValue(args, "--severity") ?? null;
   const commandAlternateSessionStrategy = optionValue(args, "--alternate-session-strategy") ?? null;
   const commandExpectedSentinelRange = optionValue(args, "--expected-sentinel-range") ?? null;
+  const commandExpectedActionWaitMsRaw = optionValue(args, "--expected-action-wait-ms") ?? null;
+  const commandExpectedActionWaitMs = commandExpectedActionWaitMsRaw === null ? null : Number(commandExpectedActionWaitMsRaw);
+  if (commandExpectedActionWaitMs !== null && (!Number.isInteger(commandExpectedActionWaitMs) || commandExpectedActionWaitMs < 1000 || commandExpectedActionWaitMs > 600000)) {
+    throw new Error("unsafe web-probe observe --expected-action-wait-ms: expected integer 1000-600000");
+  }
   const commandFindingId = optionValue(args, "--finding-id") ?? null;
   const commandBlocking = args.includes("--blocking") ? true : args.includes("--non-blocking") ? false : null;
   for (const [label, value] of [
@@ -422,6 +428,7 @@ export function parseNodeWebProbeObserveOptions(
     commandSeverity,
     commandAlternateSessionStrategy,
     commandExpectedSentinelRange,
+    commandExpectedActionWaitMs,
     commandRequireComposerReady: args.includes("--require-composer-ready"),
     commandFindingId,
     commandBlocking,
@@ -1492,6 +1499,7 @@ export function runNodeWebProbeObserveCommand(options: NodeWebProbeObserveOption
     severity: options.commandSeverity,
     alternateSessionStrategy: options.commandAlternateSessionStrategy,
     expectedSentinelRange: options.commandExpectedSentinelRange,
+    expectedActionWaitMs: options.commandExpectedActionWaitMs,
     requireComposerReady: options.commandRequireComposerReady,
     findingId: options.commandFindingId,
     blocking: options.commandBlocking,