- Add principle #25 to engineering-principles: 'Ask When Ambiguous'
- Add 'Ask When Ambiguous' section to design-patterns and clean-architecture
- Update detect-project.sh hook to reinforce ask-don't-assume behavior
- hooks.json needs 'hooks' wrapper key at top level
- Remove 'hooks' field from plugin.json (auto-discovered from hooks/hooks.json)
- Simplify hook entries (no nested hooks array)