SIENTIAPDE-1243: Remove OPC server integration and add code quality tools.

This commit removes the OPC server integration from the Model Manager, including related activities, repositories, metrics, and configuration. It also adds code quality tools such as Ruff (linting/formatting), mypy (type checking), and Bandit (security analysis) along with a validation script and CI/CD integration for automated code validation. The README has been updated to reflect these changes.

model_manager/worker/worker.py

@@ -42,7 +42,6 @@ with workflow.unsafe.imports_passed_through():
     from model_manager.utils.connectors_config import (
         build_postgres_config,
         build_mlflow_config,
-        build_opc_config,
         build_mongodb_config
     )
     from sientia_do.notifications.handlers import CoreNotificationHandler as NotificationHandler
@@ -63,9 +62,8 @@ async def main():
     2. Starts Prometheus metrics server
     3. Initializes notification handler
     4. Creates and configures activities
-    5. Initializes OPC connections
-    6. Starts Temporal client and workers
-    7. Manages worker lifecycle and graceful shutdown
+    5. Starts Temporal client and workers
+    6. Manages worker lifecycle and graceful shutdown
 
     The function runs indefinitely until interrupted or an error occurs.
     On error, it performs cleanup and exits with a non-zero status code.
@@ -105,14 +103,10 @@ async def main():
     activities = Activities(
         postgres_config=build_postgres_config(),
         mlflow_config=build_mlflow_config(),
-        opc_config=build_opc_config(),
         logger=logger,
         notification_handler=notification_handler
     )
 
-    logger.custom_info('Initializing OPC...', metadata)
-    await activities.init_opc()
-
     logger.custom_info(
         f'Starting SDK Metrics Server on port {SDK_METRICS_PORT}...', metadata)
 
@@ -167,8 +161,6 @@ async def main():
                 activities.format_prediction,
                 activities.format_default_prediction,
                 activities.get_last_timestamp,
-                # OPC
-                activities.write_opc_data,
                 # Postgres
                 activities.load_custom_query,
                 activities.repeat_last_prediction,