super secret fix

src/exo/utils/browser.py

@@ -0,0 +1,41 @@
+from __future__ import annotations
+
+import threading
+import time
+import urllib.request
+import webbrowser
+from typing import final
+
+
+def _wait_http_ready(url: str, *, timeout_s: float = 30.0, check_interval_s: float = 0.25) -> bool:
+    start = time.time()
+    while time.time() - start < timeout_s:
+        try:
+            with urllib.request.urlopen(url, timeout=1):
+                return True
+        except Exception:
+            time.sleep(check_interval_s)
+    return False
+
+
+@final
+class _UrlOpenerThread(threading.Thread):
+    def __init__(self, url: str, *, ready_timeout_s: float = 30.0, check_interval_s: float = 0.25) -> None:
+        super().__init__(daemon=True)
+        self.url = url
+        self.ready_timeout_s = ready_timeout_s
+        self.check_interval_s = check_interval_s
+
+    def run(self) -> None:
+        if _wait_http_ready(self.url, timeout_s=self.ready_timeout_s, check_interval_s=self.check_interval_s):
+            try:
+                webbrowser.open(self.url, new=2, autoraise=True)
+            except Exception:
+                # Last-ditch fallback. Ignore errors to avoid affecting core app lifecycle.
+                pass
+
+
+def open_url_in_browser_when_ready(url: str, *, ready_timeout_s: float = 30.0) -> None:
+    _UrlOpenerThread(url, ready_timeout_s=ready_timeout_s).start()
+
+