chore: mark iRacing parser as stub (shared memory, not UDP)

games/builtin/iracing/parser.py

@@ -8,25 +8,13 @@ def get_parser():
 
 
 class IRacingParser:
+    """
+    iRacing uses shared memory (IRSDK Memory-Mapped File), NOT UDP.
+    This parser is a stub - it does NOT work with UDP input.
+    Requires IRSDK mmap reader (not yet implemented).
+    """
     def game_id(self) -> str:
         return "iracing"
 
     def parse(self, data: bytes, addr: tuple) -> TelemetryData:
-        td = TelemetryData(game_id="iracing", timestamp=time.time())
+        return TelemetryData(game_id="iracing", timestamp=time.time(), raw={"note": "iRacing uses shared memory, not UDP"})
-        td.raw = {"raw_hex": data.hex(), "length": len(data), "addr": f"{addr[0]}:{addr[1]}"}
-
-        if len(data) < 100:
-            return td
-
-        try:
-            td.speed_mph = struct.unpack_from("<f", data, 36)[0]
-            td.speed_kmh = td.speed_mph * 1.60934
-            td.rpm = struct.unpack_from("<f", data, 48)[0]
-            td.gear = struct.unpack_from("<i", data, 56)[0]
-            td.throttle = struct.unpack_from("<f", data, 4)[0]
-            td.brake = struct.unpack_from("<f", data, 8)[0]
-            td.steering = struct.unpack_from("<f", data, 0)[0]
-        except struct.error:
-            pass
-
-        return td