- Implementation of specialist execution api, including SSE protocol

- eveai_chat becomes deprecated and should be replaced with SSE
- Adaptation of STANDARD_RAG specialist
- Base class definition allowing to realise specialists with crewai framework
- Implementation of SPIN_SPECIALIST
- Implementation of test app for testing specialists (test_specialist_client). Also serves as an example for future SSE-based client
- Improvements to startup scripts to better handle and scale multiple connections
- Small improvements to the interaction forms and views
- Caching implementation improved and augmented with additional caches

common/models/document.py

@@ -56,6 +56,7 @@ class Retriever(db.Model):
     description = db.Column(db.Text, nullable=True)
     catalog_id = db.Column(db.Integer, db.ForeignKey('catalog.id'), nullable=True)
     type = db.Column(db.String(50), nullable=False, default="STANDARD_RAG")
+    type_version = db.Column(db.String(20), nullable=True, default="STANDARD_RAG")
     tuning = db.Column(db.Boolean, nullable=True, default=False)
 
     # Meta Data