feat: add behavioral profiler for attacker pattern analysis

- decnet/profiler/: analyze attacker behavior timings, command sequences, service probing patterns
- Enables detection of coordinated attacks vs random scanning
- Feeds into attacker scoring and risk assessment

decnet/profiler/__init__.py

@@ -0,0 +1,5 @@
+"""DECNET profiler — standalone attacker profile builder worker."""
+
+from decnet.profiler.worker import attacker_profile_worker
+
+__all__ = ["attacker_profile_worker"]