{
  "schema_version": "1.1",
  "portfolio_code": "myinvestpilot_ai_us_1",
  "strategy_type": "standard",
  "as_of_date": "2026-08-22",
  "generated_at": "2026-08-22T08:04:23Z",
  "reporting_session": "2026-08-21",
  "data_freshness": {
    "latest_session": "2026-08-21",
    "calendar_days_behind": 1,
    "stale": false,
    "available": true
  },
  "provenance": {
    "source": "rule_engine",
    "schema_version": "1.1",
    "engine_ref": "92aa2026646fd900aa1810515a2f6fb0d9eb3bb6",
    "config_ref": "sha256:eac27170e19231b3adf4951eb24af8baffd75d97df27cb7e2c73a319ba654363",
    "data_ref": "reporting_session:2026-08-21",
    "baseline_schema_version": "1.1",
    "baseline_ref": "prior_completed_episodes<2026-08-18",
    "version_mismatches": []
  },
  "headline": {
    "has_important_change": true,
    "label_zh": "2026-08-21 执行 7 项交易动作",
    "label_en": "7 trade action(s) executed on 2026-08-21"
  },
  "current_state": {
    "position_state": "partially_invested",
    "status": "partially_invested",
    "invested_pct": 75.9,
    "cash_pct": 24.1,
    "estimated_invested_pct": 75.9,
    "valuation_basis": "position_value",
    "active_positions": 9,
    "total_symbols": 10,
    "status_label_zh": "部分持仓",
    "status_label_en": "Partially invested"
  },
  "change_summary": {
    "actions": {
      "trim": 3,
      "add": 4
    },
    "causes": {
      "rebalance": 7
    },
    "cause_labels_zh": [
      "按目标权重再平衡"
    ],
    "cause_labels_en": [
      "Rebalanced to target weights"
    ]
  },
  "risk_context": {
    "current_drawdown_pct": -0.79,
    "max_drawdown_pct": -5.45,
    "drawdown_relative_level": "within_prior_range",
    "drawdown_vs_prior_max_ratio": 0.145,
    "prior_max_drawdown_pct": -5.45,
    "prior_baseline_sample_end": "2026-08-18",
    "drawdown_percentile": 0.583,
    "baseline_ref": "prior_completed_episodes<2026-08-18",
    "drawdown_vs_max_ratio": 0.145,
    "drawdown_level": "mild",
    "net_value": 1.2123,
    "daily_change_pct": 0.27,
    "drawdown_abs_level": "mild"
  },
  "normality_assessment": {
    "assessment": "normal",
    "reason_codes": [
      "low_trade_sample"
    ],
    "confidence": "low",
    "source": "rule_engine",
    "traffic_light": "green",
    "label_zh": "最新交易日进行了仓位调整，原因：按目标权重再平衡",
    "label_en": "Position sizes adjusted in the latest session — rebalanced to target weights",
    "action_zh": "当前状态符合该策略已知的运行范围。",
    "action_en": "Current state is inside this strategy's known operating range."
  },
  "continuity": {
    "traded_today": true,
    "label_zh": "最新交易日有交易动作",
    "label_en": "Trade executed in the latest session"
  },
  "strategy_expectancy": {
    "win_rate": 0.3,
    "required_win_rate": 0.1687,
    "expectancy_margin": 0.1313,
    "sample_count": 20,
    "confidence": "low",
    "scope": "full_backtest",
    "note_zh": "该指标衡量策略在完整回测期的交易期望余量，不表示当前回撤离危险区的距离，也不参与状态灯判定。",
    "note_en": "Historical expectancy margin over the full backtest. It is not a measure of how close the current drawdown is to danger, and it does not drive the status light."
  },
  "win_rate_context": {
    "required_win_rate": 0.1687,
    "recent_win_rate": 0.3,
    "safety_margin": 0.1313,
    "confidence_level": "low",
    "sample_count": 20
  }
}