- 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/utils/eveai_exceptions.py

@@ -124,4 +124,15 @@ class EveAISocketInputException(EveAIException):
     """Raised when a socket call receives an invalid payload"""
 
     def __init__(self, message, status_code=400, payload=None):
-        super.__init__(message, status_code, payload)
+        super.__init__(message, status_code, payload)
+
+
+class EveAIInvalidEmbeddingModel(EveAIException):
+    """Raised when no or an invalid embedding model is provided in the catalog"""
+
+    def __init__(self, tenant_id, catalog_id, status_code=400, payload=None):
+        self.tenant_id = tenant_id
+        self.catalog_id = catalog_id
+        # Construct the message dynamically
+        message = f"Tenant with ID '{tenant_id}' has no or an invalid embedding model in Catalog {catalog_id}."
+        super().__init__(message, status_code, payload)