feat(Weaviate): Enforce capitalized index name (#3791)

feat(Weaviate): Enforce capitalized index name
Checks if the index name is capitalized or not.

src/backend/base/langflow/components/vectorstores/Weaviate.py

@@ -1,4 +1,4 @@
-import weaviate  # type: ignore
+import weaviate
 from langchain_community.vectorstores import Weaviate
 
 from langflow.base.vectorstores.model import LCVectorStoreComponent, check_cached_vector_store
@@ -17,7 +17,12 @@ class WeaviateVectorStoreComponent(LCVectorStoreComponent):
     inputs = [
         StrInput(name="url", display_name="Weaviate URL", value="http://localhost:8080", required=True),
         SecretStrInput(name="api_key", display_name="API Key", required=False),
-        StrInput(name="index_name", display_name="Index Name", required=True),
+        StrInput(
+            name="index_name",
+            display_name="Index Name",
+            required=True,
+            info="Requires capitalized index name.",
+        ),
         StrInput(name="text_key", display_name="Text Key", value="text", advanced=True),
         MultilineInput(name="search_query", display_name="Search Query"),
         DataInput(
@@ -44,6 +49,9 @@ class WeaviateVectorStoreComponent(LCVectorStoreComponent):
         else:
             client = weaviate.Client(url=self.url)
 
+        if self.index_name != self.index_name.capitalize():
+            raise ValueError(f"Weaviate requires the index name to be capitalized. Use: {self.index_name.capitalize()}")
+
         documents = []
         for _input in self.ingest_data or []:
             if isinstance(_input, Data):