- Rewrite ORCHESTRATOR_TURN_GUIDANCE: remove conservative '宁缺毋滥' principle,
add 5 trigger scenarios each for ask_user and express_emotion
- Rewrite conversation start guidance: split into 3 steps with concrete examples
- Improve AskUserTool description: from passive 'encountered a problem' to
proactive 'actively care about user, clarify needs, confirm intent'
- Improve ExpressEmotionTool description: add 'like caring for a friend' tone
and 4 usage scenarios
- Update 99_SOUL.md: add behavior rules 9 (proactive questioning) and 10
(emotional expression), expand workflow from 7 to 9 steps adding emotion
interaction and follow-up questioning