Update kig_core/config.py

kig_core/config.py

@@ -24,12 +24,12 @@ class Settings(BaseSettings):
     # Neo4j Credentials
     neo4j_uri: str = Field(..., validation_alias='NEO4J_URI')
     neo4j_username: str = Field("neo4j", validation_alias='NEO4J_USERNAME')
-    neo4j_password: SecretStr = Field(..., validation_alias='NEO4J_PASSWORD')
+    neo4j_password: SecretStr = os.getenv("NEO4J_PASSWORD")
 
     # API Keys
-    openai_api_key: Optional[SecretStr] = Field(None, validation_alias='OPENAI_API_KEY')
-    gemini_api_key: Optional[SecretStr] = Field(None, validation_alias='GEMINI_API_KEY')
-    langsmith_api_key: Optional[SecretStr] = Field(None, validation_alias='LANGSMITH_API_KEY')
+    openai_api_key: Optional[SecretStr] = os.getenv("OPENAI_API_KEY")
+    gemini_api_key: Optional[SecretStr] = os.getenv("GEMINI_API_KEY")
+    langsmith_api_key: Optional[SecretStr] = os.getenv("LANGSMITH_API_KEY")
     langchain_project: Optional[str] = Field("KIG_Refactored", validation_alias='LANGCHAIN_PROJECT')
 
     # LLM Configuration