refactor: simplify rag client initialization (#3401)

* Simplified Qdrant and ChromaDB client initialization
* Refactored factory structure and updated tests accordingly

src/crewai/rag/config/factory.py

@@ -1,45 +0,0 @@
-"""Factory functions for creating RAG clients from configuration."""
-
-from typing import cast
-
-from crewai.rag.config.optional_imports.protocols import (
-    ChromaFactoryModule,
-    QdrantFactoryModule,
-)
-from crewai.rag.core.base_client import BaseClient
-from crewai.rag.config.types import RagConfigType
-from crewai.utilities.import_utils import require
-
-
-def create_client(config: RagConfigType) -> BaseClient:
-    """Create a client from configuration using the appropriate factory.
-
-    Args:
-        config: The RAG client configuration.
-
-    Returns:
-        The created client instance.
-
-    Raises:
-        ValueError: If the configuration provider is not supported.
-    """
-
-    if config.provider == "chromadb":
-        chromadb_mod = cast(
-            ChromaFactoryModule,
-            require(
-                "crewai.rag.chromadb.factory",
-                purpose="The 'chromadb' provider",
-            ),
-        )
-        return chromadb_mod.create_client(config)
-
-    if config.provider == "qdrant":
-        qdrant_mod = cast(
-            QdrantFactoryModule,
-            require(
-                "crewai.rag.qdrant.factory",
-                purpose="The 'qdrant' provider",
-            ),
-        )
-        return qdrant_mod.create_client(config)

src/crewai/rag/config/utils.py

@@ -11,7 +11,7 @@ from crewai.rag.config.constants import (
     DEFAULT_RAG_CONFIG_PATH,
     DEFAULT_RAG_CONFIG_CLASS,
 )
-from crewai.rag.config.factory import create_client
+from crewai.rag.factory import create_client
 
 
 class RagContext(BaseModel):