fix: Handle Celery broker errors in rejection notification

Catch all exceptions when calling send_rejection_notification.delay(),
not just ImportError. This prevents 500 errors when Celery broker is
unavailable.

Bump version to 0.6.4

Author: matteius

django_forms_workflows/__init__.py

@@ -3,7 +3,7 @@
 Enterprise-grade, database-driven form builder with approval workflows
 """
 
-__version__ = "0.6.3"
+__version__ = "0.6.4"
 __author__ = "Django Forms Workflows Contributors"
 __license__ = "LGPL-3.0-only"
 

django_forms_workflows/views.py

@@ -338,6 +338,8 @@ def approve_submission(request, task_id):
                 send_rejection_notification.delay(submission.id)
             except ImportError:
                 logger.warning("Celery tasks not available, skipping notification")
+            except Exception as e:
+                logger.warning("Failed to queue rejection notification: %s", e)
         else:
             # Approval - check workflow logic
             from .workflow_engine import handle_approval

pyproject.toml

@@ -1,6 +1,6 @@
 [tool.poetry]
 name = "django-forms-workflows"
-version = "0.6.3"
+version = "0.6.4"
 description = "Enterprise-grade, database-driven form builder with approval workflows and external data integration"
 license = "LGPL-3.0-only"
 readme = "README.md"