- Move from OpenAI to Mistral Embeddings

- Move embedding model settings from tenant to catalog
- BUG: error processing configuration for chunking patterns in HTML_PROCESSOR
- Removed eveai_chat from docker-files and nginx configuration, as it is now obsolete
- BUG: error in Library Operations when creating a new default RAG library
- BUG: Added public type in migration scripts
- Removed SocketIO from all code and requirements.txt

common/eveai_model/eveai_embedding_base.py

@@ -0,0 +1,11 @@
+from abc import abstractmethod
+from typing import List
+
+
+class EveAIEmbeddings:
+    @abstractmethod
+    def embed_documents(self, texts: List[str]) -> List[List[float]]:
+        pass
+
+    def embed_query(self, text: str) -> List[float]:
+        return self.embed_documents([text])[0]