fix(events): prevent UnicodeEncodeError crash on non-UTF-8 consoles

lib/crewai/src/crewai/events/utils/console_formatter.py

@@ -41,6 +41,11 @@ class ConsoleFormatter:
 
     def __init__(self, verbose: bool = False):
         self.console = Console(width=None)
+        if hasattr(self.console.file, "reconfigure"):
+            try:
+                self.console.file.reconfigure(errors="replace")
+            except Exception:  # noqa: S110 - best-effort; stream may not support reconfigure
+                pass
         self.verbose = verbose
         self._streaming_live: Live | None = None
         self._is_streaming: bool = False

lib/crewai/tests/utilities/test_console_formatter_encoding.py

@@ -0,0 +1,25 @@
+import io
+
+from rich.text import Text
+
+from crewai.events.utils.console_formatter import ConsoleFormatter
+
+
+class TestConsoleFormatterEncoding:
+    """Regression tests: emoji panel titles must not crash on non-UTF-8 streams (e.g. Windows cp1252 console)."""
+
+    def test_reconfigures_stream_errors_to_replace(self):
+        formatter = ConsoleFormatter()
+
+        assert formatter.console.file.errors == "replace"
+
+    def test_emoji_panel_does_not_raise_on_cp1252_stream(self):
+        cp1252_stream = io.TextIOWrapper(
+            io.BytesIO(), encoding="cp1252", write_through=True
+        )
+        formatter = ConsoleFormatter()
+        formatter.console.file = cp1252_stream
+        if hasattr(cp1252_stream, "reconfigure"):
+            cp1252_stream.reconfigure(errors="replace")
+
+        formatter.print_panel(Text("x"), "🌊 Flow Started", "blue", is_flow=True)