init commit

agents/shared/llm.py

@@ -0,0 +1,24 @@
+"""LLM factory — Bedrock Converse API (production) or direct Anthropic SDK (local dev)."""
+
+import os
+
+
+def get_agent_llm():
+    """Returns a LangChain chat model for agent orchestration."""
+    if os.getenv("USE_BEDROCK", "").lower() == "true":
+        from langchain_aws import ChatBedrockConverse
+
+        return ChatBedrockConverse(
+            model=os.getenv("BEDROCK_MODEL_ID", "anthropic.claude-sonnet-4-20250514-v1:0"),
+            region_name=os.getenv("AWS_DEFAULT_REGION", "us-east-1"),
+            temperature=0.3,
+            max_tokens=4096,
+        )
+    else:
+        from langchain_anthropic import ChatAnthropic
+
+        return ChatAnthropic(
+            model=os.getenv("ANTHROPIC_MODEL", "claude-sonnet-4-20250514"),
+            temperature=0.3,
+            max_tokens=4096,
+        )