feat: add regime awareness, smart-money tracking, theme substitution & position replacement
- MacroRegimeOutput: risk_appetite, liquidity_regime, regime_score_adjustment (-2 to +2)
- InstitutionalFlowOutput: 13F holders, insider transactions, short interest trend, smart_money_signal
- Scoring node applies regime adjustment to master score
- Theme Substitution Engine: identifies best expression of theme, ranks peers, flags overlap
- Position Replacement Agent: compares candidate to theme alternatives, flags replacements
- Pipeline: Scoring → Portfolio Analysis → Debate → Decision
- Final decision narrative includes theme context and replacement flags
Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
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