- 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/utils/cache/base.py

@@ -138,11 +138,14 @@ class CacheHandler(Generic[T]):
             Cached or newly created value
         """
         cache_key = self.generate_key(**identifiers)
-        current_app.logger.debug(f"Cache key: {cache_key}")
+        current_app.logger.debug(f"Getting Cache key: {cache_key}")
 
         def creator():
             instance = creator_func(**identifiers)
-            return self._to_cache_data(instance)
+            current_app.logger.debug("Caching object created and received. Now serializing...")
+            serialized_instance = self._to_cache_data(instance)
+            current_app.logger.debug(f"Caching object serialized and received:\n{serialized_instance}")
+            return serialized_instance
 
         cached_data = self.region.get_or_create(
             cache_key,