WebSocket merge

python/websocket_handlers/hello_handler.py

@@ -0,0 +1,19 @@
+from __future__ import annotations
+
+from python.helpers.print_style import PrintStyle
+from python.helpers.websocket import WebSocketHandler
+
+
+class HelloHandler(WebSocketHandler):
+    """Sample handler used for foundational testing."""
+
+    @classmethod
+    def get_event_types(cls) -> list[str]:
+        return ["hello_request"]
+
+    async def process_event(self, event_type: str, data: dict, sid: str):
+        name = data.get("name") or "stranger"
+        PrintStyle.info(f"hello_request from {sid} ({name})")
+        return {"message": f"Hello, {name}!", "handler": self.identifier}
+
+