Preserve zero status codes in HyperbrowserError formatting

Co-authored-by: Shri Sukhani <shrisukhani@users.noreply.github.com>

Author: cursoragent

hyperbrowser/exceptions.py

@@ -21,7 +21,7 @@ def __str__(self) -> str:
         """Custom string representation to show a cleaner error message"""
         parts = [f"{self.args[0]}"]
 
-        if self.status_code:
+        if self.status_code is not None:
             parts.append(f"Status: {self.status_code}")
 
         if self.original_error and not isinstance(

tests/test_exceptions.py

@@ -0,0 +1,14 @@
+from hyperbrowser.exceptions import HyperbrowserError
+
+
+def test_hyperbrowser_error_str_includes_zero_status_code():
+    error = HyperbrowserError("request failed", status_code=0)
+
+    assert str(error) == "request failed - Status: 0"
+
+
+def test_hyperbrowser_error_str_includes_original_error_details_once():
+    root_cause = ValueError("boom")
+    error = HyperbrowserError("request failed", original_error=root_cause)
+
+    assert str(error) == "request failed - Caused by ValueError: boom"