feat: add LiteLLM callback handler for all providers

agentops/__init__.py

@@ -37,6 +37,9 @@
 # Import validation functions
 from agentops.validation import validate_trace_spans, print_validation_summary, ValidationError
 
+# Import callback handlers for external integrations
+from agentops.integration.callbacks.litellm import LiteLLMCallbackHandler
+
 # Thread-safe client management
 _client_lock = threading.Lock()
 _client = None
@@ -485,4 +488,6 @@ def extract_key_from_attr(attr_value: str) -> str:
     "validate_trace_spans",
     "print_validation_summary",
     "ValidationError",
+    # Callback handlers for external integrations
+    "LiteLLMCallbackHandler",
 ]

agentops/integration/callbacks/litellm/__init__.py

@@ -0,0 +1,9 @@
+"""
+LiteLLM callback handler for AgentOps.
+
+This module provides the LiteLLM callback handler for AgentOps tracing and monitoring.
+"""
+
+from agentops.integration.callbacks.litellm.callback import LiteLLMCallbackHandler
+
+__all__ = ["LiteLLMCallbackHandler"]