adds the initial iterative and deep research workflows

src/orchestrator_factory.py

@@ -2,15 +2,16 @@
 
 from typing import Any, Literal
 
+import structlog
+
 from src.legacy_orchestrator import (
     JudgeHandlerProtocol,
     Orchestrator,
     SearchHandlerProtocol,
 )
+from src.utils.config import settings
 from src.utils.models import OrchestratorConfig
 
-import structlog
-
 logger = structlog.get_logger()
 
 

src/tools/__init__.py

@@ -1,16 +1,14 @@
 """Search tools package."""
 
 from src.tools.base import SearchTool
-from src.tools.clinicaltrials import ClinicalTrialsTool
-from src.tools.europepmc import EuropePMCTool
 from src.tools.pubmed import PubMedTool
 from src.tools.rag_tool import RAGTool, create_rag_tool
 from src.tools.search_handler import SearchHandler
 
 # Re-export
 __all__ = [
-    "RAGTool",
     "PubMedTool",
+    "RAGTool",
     "SearchHandler",
     "SearchTool",
     "create_rag_tool",

src/utils/config.py

@@ -30,10 +30,6 @@ class Settings(BaseSettings):
     anthropic_model: str = Field(
         default="claude-sonnet-4-5-20250929", description="Anthropic model"
     )
-    # HuggingFace (free tier)
-    huggingface_model: str | None = Field(
-        default="meta-llama/Llama-3.1-70B-Instruct", description="HuggingFace model name"
-    )
     hf_token: str | None = Field(
         default=None, alias="HF_TOKEN", description="HuggingFace API token"
     )
@@ -184,19 +180,14 @@ class Settings(BaseSettings):
 
     @property
     def has_huggingface_key(self) -> bool:
-        """Check if HuggingFace token is available."""
-        return bool(self.hf_token)
+        """Check if HuggingFace API key is available."""
+        return bool(self.huggingface_api_key or self.hf_token)
 
     @property
     def has_any_llm_key(self) -> bool:
         """Check if any LLM API key is available."""
         return self.has_openai_key or self.has_anthropic_key or self.has_huggingface_key
 
-    @property
-    def has_huggingface_key(self) -> bool:
-        """Check if HuggingFace API key is available."""
-        return bool(self.huggingface_api_key)
-
     @property
     def web_search_available(self) -> bool:
         """Check if web search is available (either no-key provider or API key present)."""