Handle Qdrant create_collection wait support

backend/app/vector_store.py

@@ -67,20 +67,23 @@ def get_embedding_size() -> int:
 def create_collection(client: Any, collection_name: str, size: int, distance: Any) -> None:
     """Create a Qdrant collection across qdrant-client keyword changes."""
     vector_params = VectorParams(size=size, distance=distance)
-    try:
-        client.create_collection(
-            collection_name=collection_name,
-            vectors_config=vector_params,
-            wait=True,
-        )
-    except TypeError as exc:
-        if "vectors_config" not in str(exc):
-            raise
-        client.create_collection(
-            collection_name=collection_name,
-            vectors=vector_params,
-            wait=True,
-        )
+    variants = (
+        {"vectors_config": vector_params, "wait": True},
+        {"vectors_config": vector_params},
+        {"vectors": vector_params, "wait": True},
+        {"vectors": vector_params},
+    )
+    last_error = None
+    for kwargs in variants:
+        try:
+            client.create_collection(collection_name=collection_name, **kwargs)
+            return
+        except (AssertionError, TypeError, ValueError) as exc:
+            last_error = exc
+            message = str(exc)
+            if not any(key in message for key in ("Unknown arguments", "vectors", "wait")):
+                raise
+    raise RuntimeError(f"Could not create Qdrant collection: {last_error}")
 
 
 async def ensure_collection(vector_size: Optional[int] = None) -> Dict[str, Any]: