系统架构设计方案 Codex 版

@dataclass
class TaskConfig:
    task_id: str;  symbol: str             # "BTC/USDT:USDT"
    trend_timeframe: str                   # "4h"
    entry_timeframe: str                   # "15m"
    window_size: int                       # K线窗口数
    trend_algo: str;  trend_params: dict   # "ema_triple" | {"periods": [21,55,144]}
    keylevel_algo: str; keylevel_params: dict
    signal_direction: str                  # "long" | "short" | "both"
    signal_algo: str;  signal_params: dict
    position_mode: str                     # "fixed" | "percent"
    position_value: float;  min_rr_ratio: float
    exchange_id: str;  api_key: str;  api_secret: str
    auto_trade: bool;  discord_webhook: str;  enabled: bool

@dataclass
class TrendResult:
    task_id: str;  symbol: str;  timeframe: str
    direction: str                         # "bullish" | "bearish" | "sideways"
    strength: float                        # 预留字段，当前固定 1.0
    ema_values: dict                       # {"ema21": 80200, "ema55": 79500, ...}
    computed_at: int                       # timestamp ms

@dataclass
class KeyLevel:
    center: float;  upper: float;  lower: float
    level_type: str                        # "support" | "resistance" | "flip"
    touch_count: int;  score: float

@dataclass
class Signal:
    task_id: str;  symbol: str
    direction: str                         # "long" | "short"
    pattern: str                           # "pin_bar" | ...
    trigger_kline: Kline;  triggered_level: KeyLevel
    fired_at: int

@dataclass
class TradePlan:
    plan_id: str;  task_id: str;  signal: Signal
    entry_price: float;  stop_loss: float;  take_profit: float
    rr_ratio: float;  position_size: float;  position_unit: str
    created_at: int
    status: str                            # "pending"|"active"|"closed"|"discarded"

@dataclass
class Order:
    order_id: str;  plan_id: str;  exchange_order_id: str
    side: str;  price: float;  size: float
    filled_price: float | None
    status: str                            # "open"|"filled"|"cancelled"
    created_at: int

@dataclass
class TradeResult:
    plan_id: str;  entry_order: Order;  exit_order: Order
    pnl: float;  pnl_percent: float
    exit_reason: str                       # "take_profit"|"stop_loss"|"manual"
    closed_at: int

@dataclass
class ReviewRecord:
    review_id: str;  trade_result: TradeResult;  trade_plan: TradePlan
    tech_notes: str;  position_notes: str;  mindset_notes: str
    created_at: int