🪲 BUG-#209: Raise TypeError on invalid Context setter values

[FernandoCelmer]

Description

Fix Context property setters that silently ignored invalid values, leaving attributes as None.

Issue: 📌 ISSUE-#209

Changes

• task_id setter — raises TypeError for non-int values (was silently ignored)
• workflow_id setter — raises TypeError for non-UUID/non-string values (was silently ignored)
• None is explicitly allowed in both setters
• 11 new tests covering valid values, None, and invalid types

Type of change

• Bug fix (non-breaking change which fixes an issue)

Checklist:

• My code follows the style guidelines of this project
• I have performed a self-review of my code
• My changes generate no new warnings
• I have added tests that prove my fix is effective or that my feature works
• New and existing unit tests pass locally with my changes