first working

pyshark_poc/models.py

@@ -0,0 +1,13 @@
+from dataclasses import dataclass
+from typing import Optional
+
+
+@dataclass(frozen=True)
+class FlowKey:
+    """Flow identifier for network traffic analysis."""
+    src_ip: str
+    src_port: int
+    dst_ip: str
+    dst_port: int
+    protocol: str
+    extended_type: Optional[str] = None  # For extended frame types like IENA, Chapter 10, etc.