- 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/models/user.py

@@ -31,7 +31,6 @@ class Tenant(db.Model):
     allowed_languages = db.Column(ARRAY(sa.String(2)), nullable=True)
 
     # LLM specific choices
-    embedding_model = db.Column(db.String(50), nullable=True)
     llm_model = db.Column(db.String(50), nullable=True)
 
     # Entitlements
@@ -66,7 +65,6 @@ class Tenant(db.Model):
             'type': self.type,
             'default_language': self.default_language,
             'allowed_languages': self.allowed_languages,
-            'embedding_model': self.embedding_model,
             'llm_model': self.llm_model,
             'currency': self.currency,
         }