generated-scene: add scheduled monitoring runtime and helper lifecycle hardening

tests/browser_ws_probe_test.rs

@@ -1,4 +1,5 @@
 use std::net::TcpListener;
+use std::path::PathBuf;
 use std::sync::{Arc, Mutex};
 use std::thread;
 use std::time::Duration;
@@ -208,6 +209,84 @@ fn parse_probe_args_defaults_timeout_when_flag_is_omitted() {
     );
 }
 
+fn temp_step_file(name: &str, contents: &str) -> PathBuf {
+    let mut path = std::env::temp_dir();
+    let nanos = std::time::SystemTime::now()
+        .duration_since(std::time::UNIX_EPOCH)
+        .unwrap()
+        .as_nanos();
+    path.push(format!("sgclaw-ws-probe-{name}-{nanos}.txt"));
+    std::fs::write(&path, contents).unwrap();
+    path
+}
+
+#[test]
+fn parse_probe_args_accepts_step_file() {
+    let step_file = temp_step_file(
+        "single",
+        "open-agent::[\"about:blank\",\"sgOpenAgent\"]\n",
+    );
+    let args = vec![
+        "--ws-url".to_string(),
+        "ws://127.0.0.1:12345".to_string(),
+        "--step-file".to_string(),
+        step_file.display().to_string(),
+    ];
+
+    let parsed = parse_probe_args(&args).unwrap();
+
+    assert_eq!(parsed.ws_url, "ws://127.0.0.1:12345");
+    assert_eq!(parsed.timeout_ms, 1500);
+    assert_eq!(
+        parsed.steps,
+        vec![ProbeStep {
+            label: "open-agent".to_string(),
+            payload: "[\"about:blank\",\"sgOpenAgent\"]".to_string(),
+            expect_reply: true,
+        }]
+    );
+
+    let _ = std::fs::remove_file(step_file);
+}
+
+#[test]
+fn parse_probe_args_preserves_step_and_step_file_order() {
+    let step_file = temp_step_file(
+        "ordered",
+        "open-hot::[\"about:blank\",\"sgBrowerserOpenPage\",\"https://www.zhihu.com/hot\"]\n",
+    );
+    let args = vec![
+        "--ws-url".to_string(),
+        "ws://127.0.0.1:12345".to_string(),
+        "--step".to_string(),
+        "open-agent::[\"about:blank\",\"sgOpenAgent\"]".to_string(),
+        "--step-file".to_string(),
+        step_file.display().to_string(),
+    ];
+
+    let parsed = parse_probe_args(&args).unwrap();
+
+    assert_eq!(
+        parsed.steps,
+        vec![
+            ProbeStep {
+                label: "open-agent".to_string(),
+                payload: "[\"about:blank\",\"sgOpenAgent\"]".to_string(),
+                expect_reply: true,
+            },
+            ProbeStep {
+                label: "open-hot".to_string(),
+                payload:
+                    "[\"about:blank\",\"sgBrowerserOpenPage\",\"https://www.zhihu.com/hot\"]"
+                        .to_string(),
+                expect_reply: true,
+            },
+        ]
+    );
+
+    let _ = std::fs::remove_file(step_file);
+}
+
 #[test]
 fn probe_records_welcome_then_silence_transcript() {
     let steps = vec![