fix: resolve SKILL.md validation errors

skills/python-patterns/SKILL.md

@@ -2,6 +2,8 @@
 name: python-patterns
 description: "Python development principles and decision-making. Framework selection, async patterns, type hints, project structure. Teaches thinking, not copying."
 allowed-tools: Read, Write, Edit, Glob, Grep
+risk: unknown
+source: community
 ---
 
 # Python Patterns