UN-3236 [FEAT]: Change HITL default TTL from unlimited to 90 days

backend/plugins/workflow_manager/workflow_v2/utils.py

@@ -154,14 +154,14 @@ def has_api_rules(workflow: Workflow) -> bool:
         return False
 
     @staticmethod
-    def get_hitl_ttl_seconds(workflow: Workflow) -> int | None:
+    def get_hitl_ttl_seconds(workflow: Workflow) -> int:
         """Get TTL in seconds for HITL settings for a workflow.
 
         Args:
             workflow (Workflow): The workflow to get HITL TTL settings for.
 
         Returns:
-            int | None: TTL in seconds if set, None for unlimited TTL.
+            int: TTL in seconds. Defaults to 90 days (2160 hours).
         """
         try:
             from pluggable_apps.manual_review_v2.helper import (
@@ -170,4 +170,4 @@ def get_hitl_ttl_seconds(workflow: Workflow) -> int | None:
 
             return get_hitl_ttl_seconds_by_workflow(workflow)
         except ImportError:
-            return None
+            return 2160 * 3600