add get_entity_types endpoint

src/basic_memory/api/app.py

@@ -5,6 +5,7 @@ from loguru import logger
 
 from .routers import documents
 from .routers import knowledge
+from .routers import discovery
 
 # Initialize FastAPI app
 app = FastAPI(
@@ -14,6 +15,7 @@ app = FastAPI(
 # Include routers
 app.include_router(knowledge.router)
 app.include_router(documents.router)
+app.include_router(discovery.router)
 
 
 # Add startup event

src/basic_memory/api/routers/__init__.py

@@ -2,5 +2,6 @@
 
 from . import knowledge_router as knowledge
 from . import documents_router as documents
+from . import discovery_router as discovery
 
-__all__ = ["knowledge", "documents"]
+__all__ = ["knowledge", "documents", "discovery"]

src/basic_memory/api/routers/discovery_router.py

@@ -0,0 +1,17 @@
+"""Router for knowledge discovery and analytics operations."""
+
+from fastapi import APIRouter
+from loguru import logger
+
+from basic_memory.deps import EntityServiceDep
+from basic_memory.schemas import EntityTypeList, ObservationCategoryList
+
+router = APIRouter(prefix="/discovery", tags=["discovery"])
+
+
+@router.get("/entity-types", response_model=EntityTypeList)
+async def get_entity_types(entity_service: EntityServiceDep) -> EntityTypeList:
+    """Get list of all unique entity types in the system."""
+    logger.debug("Getting all entity types")
+    types = await entity_service.get_entity_types()
+    return EntityTypeList(types=types)