trade_manager.py

# trade_manager.py (Updated to V7.6 - Exponential Backoff for Timeouts)
import asyncio
import json
import time
import traceback
import os 
from datetime import datetime, timedelta
from typing import Dict, Any, List
from collections import deque, defaultdict 

import pandas as pd
try:
    import pandas_ta as ta
except ImportError:
    print("⚠️ مكتبة pandas_ta غير موجودة، مؤشرات الحارس (Sentry 1m) ستفشل.")
    ta = None

try:
    import ccxt.async_support as ccxtasync
    # 🔴 --- START OF CHANGE (V7.6) --- 🔴
    # (نحتاج لاستيراد الأخطاء للتعامل معها)
    from ccxt.base.errors import RequestTimeout, RateLimitExceeded
    CCXT_ASYNC_AVAILABLE = True
    # 🔴 --- END OF CHANGE --- 🔴
except ImportError:
    print("❌❌❌ خطأ فادح: فشل استيراد 'ccxt.async_support'. ❌❌❌")
    CCXT_ASYNC_AVAILABLE = False

import numpy as np
from helpers import safe_float_conversion

# (استيراد المحللات لتشغيل الكاشف المصغر 5m)
from ml_engine.indicators import AdvancedTechnicalAnalyzer
from ml_engine.patterns import ChartPatternAnalyzer

class TacticalData:
    """
    (محدث V7.0)
    لتخزين بيانات 1m (للدخول) و 5m (لحماية الأرباح).
    """
    def __init__(self, symbol):
        self.symbol = symbol
        self.order_book = None 
        self.trades = deque(maxlen=100) 
        self.cvd = 0.0 
        self.large_trades = []
        self.last_update = time.time()
        
        self.confirmation_trades = defaultdict(lambda: deque(maxlen=50))
        self.confirmation_cvd = defaultdict(float)
        
        self.last_kucoin_trade_id = None
        self.last_confirmation_trade_ids = defaultdict(lambda: None)
        
        self.ohlcv_1m = deque(maxlen=100) 
        self.indicators_1m = {} 
        self.last_1m_candle_timestamp = None
        
        # (إضافة مؤشرات 1h لـ ATR Trailing)
        self.ohlcv_1h = deque(maxlen=100) 
        self.indicators_1h = {} 
        self.last_1h_candle_timestamp = None
        
        self.ohlcv_5m = deque(maxlen=100) 
        self.last_5m_candle_timestamp = None
        self.new_5m_data_added = False 

    def add_trade(self, trade):
        trade_id = trade.get('id')
        if trade_id and trade_id == self.last_kucoin_trade_id:
            return 
        self.last_kucoin_trade_id = trade_id

        self.trades.append(trade)
        self.last_update = time.time()
        try:
            trade_amount = float(trade['amount'])
            if trade['side'] == 'buy': self.cvd += trade_amount
            else: self.cvd -= trade_amount
            trade_cost_usd = float(trade.get('cost', 0))
            if trade_cost_usd == 0 and 'price' in trade:
                trade_cost_usd = float(trade['price']) * trade_amount
            if trade_cost_usd > 20000:
                self.large_trades.append(trade)
                if len(self.large_trades) > 20: self.large_trades.pop(0)
        except Exception: pass

    def add_confirmation_trade(self, exchange_id: str, trade: Dict):
        trade_id = trade.get('id')
        if trade_id and trade_id == self.last_confirmation_trade_ids[exchange_id]:
            return 
        self.last_confirmation_trade_ids[exchange_id] = trade_id
        
        self.confirmation_trades[exchange_id].append(trade)
        try:
            trade_amount = float(trade['amount'])
            if trade['side'] == 'buy': self.confirmation_cvd[exchange_id] += trade_amount
            else: self.confirmation_cvd[exchange_id] -= trade_amount
        except Exception: pass

    def set_order_book(self, ob):
        self.order_book = ob
        self.last_update = time.time()

    def analyze_order_book(self):
        """(محدث V7.3) تحليل دفتر الطلبات وإرجاع درجة (0-1) ونسبة"""
        if not self.order_book: 
            return {"bids_depth": 0, "asks_depth": 0, "ob_score": 0.0, "ob_ratio": 1.0}
        try:
            bids = self.order_book.get('bids', []); asks = self.order_book.get('asks', [])
            bids_depth = sum(price * amount for price, amount in bids[:10])
            asks_depth = sum(price * amount for price, amount in asks[:10])
            
            # (حساب النسبة والدرجة لزناد الدخول)
            ob_ratio = 1.0
            ob_score = 0.0
            if asks_depth > 0:
                ob_ratio = bids_depth / asks_depth
            
            # (من 1.0 إلى 2.0+)
            # (نطاق النتيجة: 0.0 -> 1.0)
            ob_score = min(1.0, max(0.0, (ob_ratio - 1.0))) 
            
            return {
                "bids_depth": bids_depth, 
                "asks_depth": asks_depth,
                "ob_ratio": ob_ratio,
                "ob_score": ob_score
            }
        except Exception: 
            return {"bids_depth": 0, "asks_depth": 0, "ob_score": 0.0, "ob_ratio": 1.0}

    def add_1m_ohlcv(self, ohlcv_data: List):
        """إضافة شموع 1-دقيقة وحساب المؤشرات (للدخول)"""
        if not ohlcv_data:
            return
        
        new_candles_added = False
        for candle in ohlcv_data:
            timestamp = candle[0]
            if timestamp and timestamp != self.last_1m_candle_timestamp:
                if self.ohlcv_1m and timestamp < self.ohlcv_1m[-1][0]:
                    continue 
                
                self.ohlcv_1m.append(candle)
                self.last_1m_candle_timestamp = timestamp
                new_candles_added = True
        
        if new_candles_added and len(self.ohlcv_1m) >= 26: 
            self._analyze_1m_indicators()
            
    def add_1h_ohlcv(self, ohlcv_data: List):
        """(جديد V7.5) إضافة شموع 1-ساعة (لـ ATR Trailing Stop)"""
        if not ohlcv_data:
            return
        
        new_candles_added = False
        for candle in ohlcv_data:
            timestamp = candle[0]
            if timestamp and timestamp != self.last_1h_candle_timestamp:
                if self.ohlcv_1h and timestamp < self.ohlcv_1h[-1][0]:
                    continue
                
                self.ohlcv_1h.append(candle)
                self.last_1h_candle_timestamp = timestamp
                new_candles_added = True
        
        if new_candles_added and len(self.ohlcv_1h) >= 20: # (ATR يحتاج 14)
            self._analyze_1h_indicators()

    def _analyze_1m_indicators(self):
        """حساب مؤشرات 1-دقيقة الحقيقية (للدخول)"""
        if ta is None or len(self.ohlcv_1m) < 26:
            self.indicators_1m = {}
            return
            
        try:
            df = pd.DataFrame(list(self.ohlcv_1m), columns=['timestamp', 'open', 'high', 'low', 'close', 'volume'])
            df[['open', 'high', 'low', 'close', 'volume']] = df[['open', 'high', 'low', 'close', 'volume']].astype(float)
            close = df['close']

            ema_9 = ta.ema(close, length=9)
            ema_21 = ta.ema(close, length=21)
            macd_data = ta.macd(close, fast=12, slow=26, signal=9)
            
            if ema_9 is not None and not ema_9.empty and \
               ema_21 is not None and not ema_21.empty and \
               macd_data is not None and not macd_data.empty:
                
                ema_9_val = ema_9.iloc[-1]
                ema_21_val = ema_21.iloc[-1]
                macd_hist_val = macd_data['MACDh_12_26_9'].iloc[-1]
                
                # (إضافة درجات محسوبة مسبقاً لزناد الدخول)
                ema_score = 1.0 if ema_9_val > ema_21_val else 0.0
                macd_score = 1.0 if macd_hist_val > 0 else 0.0
                
                self.indicators_1m = {
                    'ema_9': ema_9_val,
                    'ema_21': ema_21_val,
                    'macd_hist': macd_hist_val,
                    'ema_score_1m': ema_score,
                    'macd_score_1m': macd_score
                }
            else:
                self.indicators_1m = {}
                
        except Exception as e:
            self.indicators_1m = {}
            
    def _analyze_1h_indicators(self):
        """(جديد V7.5) حساب مؤشرات 1-ساعة (فقط ATR حالياً)"""
        if ta is None or len(self.ohlcv_1h) < 15: # (ATR يحتاج 14)
            self.indicators_1h = {}
            return
            
        try:
            df = pd.DataFrame(list(self.ohlcv_1h), columns=['timestamp', 'open', 'high', 'low', 'close', 'volume'])
            df[['open', 'high', 'low', 'close', 'volume']] = df[['open', 'high', 'low', 'close', 'volume']].astype(float)

            atr = ta.atr(df['high'], df['low'], df['close'], length=14)
            
            if atr is not None and not atr.empty:
                self.indicators_1h = {
                    'atr': atr.iloc[-1]
                }
            else:
                self.indicators_1h = {}
                
        except Exception as e:
            self.indicators_1h = {}
            
    def add_5m_ohlcv(self, ohlcv_data: List):
        """(جديد V7.0) إضافة شموع 5-دقائق (لحماية الأرباح)"""
        if not ohlcv_data:
            return
        
        for candle in ohlcv_data:
            timestamp = candle[0]
            if timestamp and timestamp != self.last_5m_candle_timestamp:
                if self.ohlcv_5m and timestamp < self.ohlcv_5m[-1][0]:
                    continue
                
                self.ohlcv_5m.append(candle)
                self.last_5m_candle_timestamp = timestamp
                self.new_5m_data_added = True
    
    def get_tactical_snapshot(self):
        """(محدث V7.3) يحلل كل شيء ويعيد لقطة تكتيكية"""
        agg_cvd = sum(self.confirmation_cvd.values())
        ob_analysis = self.analyze_order_book()
        
        # (حساب درجة CVD لزناد الدخول)
        # (نطاق النتيجة: 0.0 -> 1.0)
        cvd_score = min(1.0, max(0.0, self.cvd / 50000.0)) # (نفترض 50k كحد أقصى)
        
        return {
            "cvd_kucoin": self.cvd,
            "cvd_confirmation_sources": dict(self.confirmation_cvd),
            "cvd_confirmation_aggregate": agg_cvd,
            "cvd_score_1m": cvd_score, 
            "large_trades_count_5m": len([t for t in self.large_trades if t.get('timestamp') and (time.time() - t['timestamp']/1000) < 300]),
            "indicators_1m": self.indicators_1m,
            "indicators_1h": self.indicators_1h, # (جديد V7.5)
            "ob_analysis": ob_analysis
        }


class TradeManager:
    def __init__(self, r2_service, learning_hub=None, data_manager=None, state_manager=None, callback_on_close=None):
        if not CCXT_ASYNC_AVAILABLE:
            raise RuntimeError("مكتبة 'ccxt.async_support' غير متاحة.")

        self.r2_service = r2_service
        self.learning_hub = learning_hub
        self.data_manager = data_manager
        self.state_manager = state_manager
        self.callback_on_close = callback_on_close
        
        self.is_running = False
        self.sentry_watchlist = {}
        self.sentry_tasks = {}
        self.tactical_data_cache = {}
        
        self.sentry_lock = asyncio.Lock()
        
        self.kucoin_rest = None
        self.confirmation_exchanges = {}
        self.polling_interval = 1.5
        self.confirmation_polling_interval = 3.0
        
        # 🔴 --- START OF CHANGE (V7.6) --- 🔴
        # (زيادة المهلة الافتراضية للاتصال العام)
        self.kucoin_rest_config = {
            'enableRateLimit': True,
            'timeout': 60000, # (زيادة المهلة إلى 60 ثانية)
        }
        # 🔴 --- END OF CHANGE --- 🔴
        
        self.sentry_technical_analyzer = AdvancedTechnicalAnalyzer()
        
        if self.data_manager and self.data_manager.pattern_analyzer:
            self.sentry_pattern_analyzer = self.data_manager.pattern_analyzer
            print("✅ [Sentry V7.4] تم ربط محرك الأنماط V8 (الرئيسي) بالحارس.")
        else:
            print("⚠️ [Sentry V7.4] DataManager أو محرك V8 غير متاح. العودة إلى الوضع الآمن.")
            self.sentry_pattern_analyzer = ChartPatternAnalyzer(r2_service=None) 
        
        self.optimized_weights = {}
        self.last_weights_update = 0
        self.weights_lock = asyncio.Lock()
        self.weights_refresh_interval = 300 # (تحديث الأوزان كل 5 دقائق)

    async def initialize_sentry_exchanges(self): 
        try:
            print("🔄 [Sentry] تهيئة منصات التداول (KuCoin REST ومنصات التأكيد)...")
            
            print("   [Sentry] تهيئة KuCoin للبيانات العامة (وضع المحاكاة).")
            # 🔴 --- START OF CHANGE (V7.6) --- 🔴
            # (استخدام الإعدادات الجديدة مع المهلة الممددة)
            self.kucoin_rest = ccxtasync.kucoin(self.kucoin_rest_config)
            # 🔴 --- END OF CHANGE --- 🔴
            
            await self.kucoin_rest.load_markets()
            print("✅ [Sentry] منصة REST الأساسية (KuCoin) جاهزة (بيانات عامة فقط).")

            self.confirmation_exchanges = {}
            confirmation_exchange_ids = ['bybit', 'okx', 'gateio'] 
            
            print(f"   [Sentry] تهيئة منصات التأكيد (Confirmation Exchanges): {', '.join(confirmation_exchange_ids)}")
            for ex_id in confirmation_exchange_ids:
                try:
                    # (تطبيق نفس المهلة الممددة على منصات التأكيد أيضاً)
                    exchange = getattr(ccxtasync, ex_id)(self.kucoin_rest_config)
                    await exchange.load_markets()
                    self.confirmation_exchanges[ex_id] = exchange
                    print(f"   ✅ [Sentry] منصة التأكيد {ex_id} جاهزة (REST).")
                except Exception as ex_err:
                    print(f"   ⚠️ [Sentry] فشل تهيئة منصة التأكيد {ex_id}: {ex_err}")
                    if ex_id in self.confirmation_exchanges:
                        try:
                            await self.confirmation_exchanges[ex_id].close()
                        except Exception:
                            pass 
                        del self.confirmation_exchanges[ex_id]
            
            if not self.confirmation_exchanges:
                print("   ⚠️ [Sentry] تحذير: لم يتم تهيئة أي منصة تأكيد. سيعمل الحارس على بيانات KuCoin فقط.")
                
            await self._get_or_refresh_weights()
            print("✅ [Sentry] تم تحميل الأوزان المتعلمة (V7.3) لأول مرة.")

        except Exception as e:
            print(f"❌ [Sentry] فشل فادح في تهيئة KuCoin REST: {e}")
            if self.kucoin_rest: await self.kucoin_rest.close()
            for ex in self.confirmation_exchanges.values(): await ex.close()
            raise

    async def _get_or_refresh_weights(self) -> Dict:
        """
        يجلب الأوزان المتعلمة من محور التعلم ويخزنها مؤقتاً.
        """
        async with self.weights_lock:
            current_time = time.time()
            if (current_time - self.last_weights_update) > self.weights_refresh_interval or not self.optimized_weights:
                print("🔄 [Sentry V7.3] تحديث الأوزان المتكيفة من محور التعلم...")
                try:
                    if not self.data_manager or not self.learning_hub:
                        raise ValueError("DataManager or LearningHub not available")
                        
                    market_context = await self.data_manager.get_market_context_async()
                    market_condition = market_context.get('market_trend', 'sideways_market')
                    
                    all_weights = await self.learning_hub.get_optimized_weights(market_condition)
                    
                    if not all_weights:
                        raise ValueError("محور التعلم أعاد أوزاناً فارغة")
                        
                    self.optimized_weights = all_weights
                    self.last_weights_update = current_time
                    print("✅ [Sentry V7.3] تم تحديث الأوزان المتكيفة بنجاح.")
                    
                except Exception as e:
                    print(f"❌ [Sentry V7.3] فشل تحديث الأوزان: {e}. استخدام آخر أوزان معروفة (أو الافتراضية).")
                    if not self.optimized_weights:
                        self.optimized_weights = await self.learning_hub.get_optimized_weights("sideways_market")

            return self.optimized_weights

    async def start_sentry_and_monitoring_loops(self):
        self.is_running = True
        print(f"✅ [Sentry] بدء حلقات المراقبة التكتيكية (Layer 2 - API Polling)...")
        while self.is_running:
            try:
                async with self.sentry_lock:
                    watchlist_symbols = set(self.sentry_watchlist.keys())
                
                open_trades = await self.get_open_trades()
                open_trade_symbols = {t['symbol'] for t in open_trades}
                
                symbols_to_monitor = watchlist_symbols.union(open_trade_symbols)
                current_tasks = set(self.sentry_tasks.keys())

                symbols_to_add = symbols_to_monitor - current_tasks
                for symbol in symbols_to_add:
                    print(f"   [Sentry] بدء المراقبة التكتيكية (Polling) لـ {symbol}")
                    
                    strategy_hint = 'generic' 
                    if symbol in watchlist_symbols:
                         async with self.sentry_lock:
                            if symbol in self.sentry_watchlist:
                                strategy_hint = self.sentry_watchlist.get(symbol, {}).get('strategy_hint', 'generic')
                    elif symbol in open_trade_symbols:
                        trade = next((t for t in open_trades if t['symbol'] == symbol), None)
                        if trade:
                            strategy_hint = trade.get('strategy', 'generic')

                    if symbol not in self.tactical_data_cache: 
                        self.tactical_data_cache[symbol] = TacticalData(symbol)
                    
                    task = asyncio.create_task(self._monitor_symbol_activity_polling(symbol, strategy_hint))
                    self.sentry_tasks[symbol] = task

                symbols_to_remove = current_tasks - symbols_to_monitor
                for symbol in symbols_to_remove:
                    print(f"   [Sentry] إيقاف المراقبة التكتيكية (Polling) لـ {symbol}")
                    task = self.sentry_tasks.pop(symbol, None)
                    if task: 
                        task.cancel()
                    if symbol in self.tactical_data_cache: 
                        del self.tactical_data_cache[symbol]

                await asyncio.sleep(15)
                
            except Exception as error:
                print(f"❌ [Sentry] خطأ في الحلقة الرئيسية: {error}"); traceback.print_exc(); await asyncio.sleep(60)

    async def stop_sentry_loops(self):
        self.is_running = False
        print("🛑 [Sentry] إيقاف جميع حلقات المراقبة...")
        for task in self.sentry_tasks.values(): task.cancel()
        self.sentry_tasks.clear()
        try:
            if self.kucoin_rest: 
                await self.kucoin_rest.close()
                print("   ✅ [Sentry] تم إغلاق اتصال KuCoin REST.")
                
            for ex_id, exchange in self.confirmation_exchanges.items():
                try:
                    await exchange.close()
                    print(f"   ✅ [Sentry] تم إغلاق اتصال {ex_id} REST.")
                except Exception as e:
                    print(f"⚠️ [Sentry] خطأ أثناء إغلاق منصة {ex_id}: {e}")
            self.confirmation_exchanges.clear()
            print("✅ [Sentry] تم إغلاق اتصالات التداول (REST).")
        except Exception as e: print(f"⚠️ [Sentry] خطأ أثناء إغلاق الاتصالات: {e}")

    async def update_sentry_watchlist(self, candidates: List[Dict]):
        async with self.sentry_lock: 
            self.sentry_watchlist = {c['symbol']: c for c in candidates}
            print(f"ℹ️ [Sentry] تم تحديث Watchlist. عدد المرشحين: {len(self.sentry_watchlist)}")

    def get_sentry_status(self):
        active_monitoring_count = len(self.sentry_tasks)
        watchlist_symbols_list = list(self.sentry_watchlist.keys())
        
        return {
            'is_running': self.is_running,
            'active_monitoring_tasks': active_monitoring_count,
            'watchlist_symbols': watchlist_symbols_list,
            'monitored_symbols': list(self.sentry_tasks.keys()),
            'confirmation_exchanges_active': list(self.confirmation_exchanges.keys())
        }

    async def _monitor_symbol_activity_polling(self, symbol: str, strategy_hint: str):
        if symbol not in self.tactical_data_cache:
            self.tactical_data_cache[symbol] = TacticalData(symbol)

        # 🔴 --- START OF CHANGE (V7.6) --- 🔴
        # (إضافة متغيرات التراجع الأسي الخاصة بهذه المهمة)
        kucoin_backoff_delay = 5.0 # (البدء بـ 5 ثوانٍ)
        MAX_BACKOFF = 60.0 # (الحد الأقصى 60 ثانية)
        # 🔴 --- END OF CHANGE --- 🔴

        tasks_to_gather = [
            # (تمرير متغيرات التراجع)
            self._poll_kucoin_data(symbol, kucoin_backoff_delay, MAX_BACKOFF), 
            self._poll_confirmation_data(symbol), 
            self._run_tactical_analysis_loop(symbol, strategy_hint)
        ]

        try:
            await asyncio.gather(*tasks_to_gather)
        except asyncio.CancelledError:
            print(f"ℹ️ [Sentry] تم إيقاف المراقبة (Polling) لـ {symbol}.")
        except Exception as e:
            print(f"❌ [Sentry] خطأ فادح في مراقبة (Polling) {symbol}: {e}")
            traceback.print_exc()
        finally:
            print(f"🛑 [Sentry] إنهاء جميع مهام (Polling) {symbol}")
            if symbol in self.sentry_tasks: 
                self.sentry_tasks.pop(symbol, None)
            if symbol in self.tactical_data_cache: 
                del self.tactical_data_cache[symbol]

    # 🔴 --- START OF CHANGE (V7.6) --- 🔴
    # (تعديل الدالة لتقبل متغيرات التراجع)
    async def _poll_kucoin_data(self, symbol, kucoin_backoff_delay, MAX_BACKOFF):
        """(محدث V7.6) حلقة Polling لبيانات KuCoin (مع التراجع الأسي)"""
        
        base_polling_interval = self.polling_interval # (الفترة العادية)
        
        while self.is_running:
            try:
                if not self.kucoin_rest:
                    print(f"   [Sentry Polling] KuCoin REST غير متاح لـ {symbol}. الانتظار...")
                    await asyncio.sleep(10)
                    continue

                tasks = {
                    'ob': asyncio.create_task(self.kucoin_rest.fetch_order_book(symbol, limit=20)),
                    'trades': asyncio.create_task(self.kucoin_rest.fetch_trades(symbol, since=int((time.time() - 60) * 1000), limit=50)),
                    'ohlcv_1m': asyncio.create_task(self.kucoin_rest.fetch_ohlcv(symbol, '1m', limit=50)),
                    'ohlcv_5m': asyncio.create_task(self.kucoin_rest.fetch_ohlcv(symbol, '5m', limit=50)),
                    'ohlcv_1h': asyncio.create_task(self.kucoin_rest.fetch_ohlcv(symbol, '1h', limit=50))
                }

                await asyncio.wait(tasks.values(), return_when=asyncio.ALL_COMPLETED)
                
                if symbol not in self.tactical_data_cache:
                    continue 

                # (التحقق من الأخطاء بشكل فردي لتجنب انهيار الحلقة)
                if not tasks['ob'].exception():
                    self.tactical_data_cache[symbol].set_order_book(tasks['ob'].result())
                else: 
                    # (رمي الخطأ ليتم التقاطه أدناه)
                    raise tasks['ob'].exception()

                if not tasks['trades'].exception():
                    trades = tasks['trades'].result()
                    trades.sort(key=lambda x: x['timestamp'])
                    for trade in trades:
                        self.tactical_data_cache[symbol].add_trade(trade)
                else:
                    raise tasks['trades'].exception()
                
                if not tasks['ohlcv_1m'].exception():
                    self.tactical_data_cache[symbol].add_1m_ohlcv(tasks['ohlcv_1m'].result())
                
                if not tasks['ohlcv_5m'].exception():
                    self.tactical_data_cache[symbol].add_5m_ohlcv(tasks['ohlcv_5m'].result())
                    
                if not tasks['ohlcv_1h'].exception():
                    self.tactical_data_cache[symbol].add_1h_ohlcv(tasks['ohlcv_1h'].result())

                # (نجاح! إعادة تعيين التراجع والانتظار العادي)
                kucoin_backoff_delay = base_polling_interval # (إعادة تعيين)
                await asyncio.sleep(base_polling_interval)

            except RateLimitExceeded as e:
                print(f"⏳ [Sentry Polling] {symbol} KuCoin Rate Limit Exceeded: {e}. زيادة فترة الانتظار (30 ثانية)...")
                await asyncio.sleep(30)
                # (لا نزيد التراجع الأسي هنا، ننتظر فقط)
            
            except RequestTimeout as e:
                print(f"⏳ [Sentry Polling] {symbol} KuCoin Request Timeout: {e}. التراجع الأسي (الانتظار {kucoin_backoff_delay:.1f} ثانية)...")
                await asyncio.sleep(kucoin_backoff_delay)
                # (مضاعفة فترة الانتظار للمرة القادمة، بحد أقصى)
                kucoin_backoff_delay = min(kucoin_backoff_delay * 2, MAX_BACKOFF)

            except asyncio.CancelledError:
                raise 
            
            except Exception as e:
                # (التقاط أخطاء أخرى (مثل 404 Not Found أو أخطاء التحليل))
                print(f"⚠️ [Sentry Polling] خطأ في {symbol} KuCoin data polling: {e}")
                # (إعادة تعيين التراجع عند الأخطاء العامة)
                kucoin_backoff_delay = base_polling_interval
                await asyncio.sleep(10) # (انتظار أطول من 5 ثوانٍ)
    # 🔴 --- END OF CHANGE --- 🔴
    
    async def _poll_confirmation_data(self, symbol):
        if not self.confirmation_exchanges:
            return 

        await asyncio.sleep(self.confirmation_polling_interval / 2) 

        while self.is_running:
            try:
                tasks = []
                for ex_id, exchange in self.confirmation_exchanges.items():
                    tasks.append(self._fetch_confirmation_trades(ex_id, exchange, symbol))
                
                await asyncio.gather(*tasks)
                await asyncio.sleep(self.confirmation_polling_interval)

            except asyncio.CancelledError:
                raise 
            except Exception as e:
                print(f"⚠️ [Sentry Conf] خطأ في حلقة التأكيد لـ {symbol}: {e}")
                await asyncio.sleep(10) 

    async def _fetch_confirmation_trades(self, ex_id: str, exchange: ccxtasync.Exchange, symbol: str):
        try:
            if symbol not in exchange.markets:
                return

            since_timestamp = int((time.time() - 60) * 1000) 
            trades = await exchange.fetch_trades(symbol, since=since_timestamp, limit=50)
            
            if symbol in self.tactical_data_cache:
                trades.sort(key=lambda x: x['timestamp'])
                for trade in trades:
                    self.tactical_data_cache[symbol].add_confirmation_trade(ex_id, trade)
        
        # 🔴 --- START OF CHANGE (V7.6) --- 🔴
        # (التعامل مع الأخطاء الشائعة هنا أيضاً)
        except RateLimitExceeded:
            print(f"⏳ [Sentry Conf] {ex_id} Rate Limit لـ {symbol}. الانتظار (30 ثانية)...")
            await asyncio.sleep(30) 
        except RequestTimeout:
            print(f"⏳ [Sentry Conf] {ex_id} Timeout لـ {symbol}. الانتظار (15 ثانية)...")
            await asyncio.sleep(15)
        # 🔴 --- END OF CHANGE --- 🔴
        
        except asyncio.CancelledError:
            raise 
        except Exception as e:
            # (نتجاهل الأخطاء بصمت هنا حتى لا نوقف الحلقة الرئيسية)
            pass
    
    async def _run_tactical_analysis_loop(self, symbol: str, strategy_hint: str):
        """(محدث V7.5) (دماغ الحارس) يشغل التحليل التكتيكي + ATR Trailing"""
        while self.is_running:
            await asyncio.sleep(1) 
            try:
                all_weights = await self._get_or_refresh_weights()

                if self.state_manager.trade_analysis_lock.locked(): continue
                trade = await self.get_trade_by_symbol(symbol)
                tactical_data = self.tactical_data_cache.get(symbol)
                if not tactical_data: continue
                
                snapshot = tactical_data.get_tactical_snapshot()
                
                if trade:
                    # (تحديد السعر الحالي بدقة)
                    current_price = None
                    if tactical_data.order_book and tactical_data.order_book.get('bids') and len(tactical_data.order_book['bids']) > 0:
                        current_price = tactical_data.order_book['bids'][0][0]
                    elif tactical_data.trades:
                        try:
                            current_price = tactical_data.trades[-1].get('price')
                        except (IndexError, AttributeError):
                            pass
                    
                    if not current_price: continue # لا يمكن المتابعة بدون سعر

                    # 1. التحقق من SL/TP (الأولوية القصوى)
                    exit_reason = self._check_exit_trigger(trade, snapshot, tactical_data)
                    
                    # 2. (جديد V7.5) التحقق من وقف الخسارة المتحرك (ATR Trailing)
                    if not exit_reason:
                        exit_reason = await self._check_atr_trailing_stop(
                            trade, 
                            snapshot, 
                            current_price
                        )

                    # 3. إذا لم يتم الخروج، تحقق من "مراقب حماية الأرباح" 5m
                    if not exit_reason and tactical_data.new_5m_data_added:
                        
                        analysis_result = await self._run_5m_profit_saver(
                            trade, 
                            list(tactical_data.ohlcv_5m), 
                            tactical_data,
                            all_weights 
                        )
                        tactical_data.new_5m_data_added = False 
                        
                        if analysis_result:
                            decision = analysis_result.get("decision")
                            score = analysis_result.get("score", 0)
                            reason = analysis_result.get("reason", "N/A")
                            
                            if decision == "EXIT":
                                exit_reason = f"Tactical 5m Profit Save: {reason} (Score: {score:.2f})"
                            else:
                                print(f"   [Sentry 5m] {symbol} (Profit-Saver): {decision}. {reason} (Score: {score:.2f})")
                        
                    if exit_reason:
                        print(f"🛑 [Sentry] زناد خروج لـ {symbol}: {exit_reason}")
                        # (نستخدم السعر الحالي الذي حددناه مسبقاً)
                        await self.immediate_close_trade(symbol, current_price, f"Exit Trigger: {exit_reason}")

                else: # (لا توجد صفقة مفتوحة)
                    async with self.sentry_lock:
                        is_still_on_watchlist = symbol in self.sentry_watchlist

                    if is_still_on_watchlist:
                        trigger = self._check_entry_trigger(
                            symbol, 
                            strategy_hint, 
                            snapshot,
                            all_weights
                        )
                        
                        if trigger:
                            print(f"✅ [Sentry] زناد دخول تكتيكي لـ {symbol} (استراتيجية: {strategy_hint})")
                            
                            watchlist_entry = None
                            async with self.sentry_lock:
                                watchlist_entry = self.sentry_watchlist.pop(symbol, None)
                            
                            if watchlist_entry:
                                explorer_context = watchlist_entry.get('llm_decision_context', {})
                                await self._execute_smart_entry(
                                    symbol, 
                                    strategy_hint, 
                                    snapshot, 
                                    explorer_context
                                )
            except asyncio.CancelledError:
                raise 
            except Exception as e: print(f"❌ [Sentry] خطأ في حلقة التحليل التكتيكي لـ {symbol}: {e}"); traceback.print_exc()


    def _check_entry_trigger(self, symbol: str, strategy_hint: str, data: Dict, all_weights: Dict) -> bool:
        """(محدث V7.3) زناد الدخول الموزون (يتعلم)"""
        
        weights = all_weights.get("entry_trigger_weights", {
            "cvd": 0.25, "order_book": 0.25, "ema_1m": 0.25, "macd_1m": 0.25
        })
        threshold = all_weights.get("entry_trigger_threshold", 0.75)
        
        if strategy_hint in ['breakout_momentum', 'trend_following']:
            
            cvd_score = data.get('cvd_score_1m', 0.0)
            ob_score = data.get('ob_analysis', {}).get('ob_score', 0.0)
            indicators_1m = data.get('indicators_1m', {})
            if not indicators_1m:
                return False 
                
            ema_score = indicators_1m.get('ema_score_1m', 0.0)
            macd_score = indicators_1m.get('macd_score_1m', 0.0)

            final_score = (
                (cvd_score * weights.get('cvd', 0.25)) +
                (ob_score * weights.get('order_book', 0.25)) +
                (ema_score * weights.get('ema_1m', 0.25)) +
                (macd_score * weights.get('macd_1m', 0.25))
            )

            if final_score >= threshold:
                print(f"   [Trigger V7.3] {symbol} (Score: {final_score:.2f} >= {threshold})")
                print(f"      - CVD: {cvd_score:.2f} (w: {weights.get('cvd', 0.25)})")
                print(f"      - OB: {ob_score:.2f} (w: {weights.get('order_book', 0.25)})")
                print(f"      - EMA: {ema_score:.2f} (w: {weights.get('ema_1m', 0.25)})")
                print(f"      - MACD: {macd_score:.2f} (w: {weights.get('macd_1m', 0.25)})")
                return True
                 
        elif strategy_hint == 'mean_reversion':
            pass 
                
        elif strategy_hint == 'volume_spike':
             large_trades = data.get('large_trades_count_5m', 0)
             if (large_trades > 0): 
                 print(f"   [Trigger] {symbol} Volume Spike: LargeTrades={large_trades}")
                 return True
                 
        return False

    def _check_exit_trigger(self, trade: Dict, data: Dict, tactical_data: TacticalData) -> str:
        """(محدث V7.5) يراقب وقف الخسارة وجني الأرباح (يتجاهل الصفر)"""
        
        symbol = trade['symbol']
        hard_stop = trade.get('stop_loss')
        take_profit = trade.get('take_profit')
        
        best_bid_price = None
        if tactical_data.order_book and tactical_data.order_book.get('bids') and len(tactical_data.order_book['bids']) > 0:
            best_bid_price = tactical_data.order_book['bids'][0][0]

        last_trade_price = None
        if tactical_data.trades:
            try:
                last_trade_price = tactical_data.trades[-1].get('price')
            except (IndexError, AttributeError):
                pass 

        if best_bid_price is None and last_trade_price is None:
            return None 

        current_price_for_sl = best_bid_price if best_bid_price is not None else last_trade_price
        
        current_price_for_tp = max(
            filter(None, [best_bid_price, last_trade_price]), 
            default=None
        )

        # (التحقق فقط إذا كانت القيمة أكبر من صفر)
        if hard_stop and hard_stop > 0 and current_price_for_sl and current_price_for_sl <= hard_stop: 
            return f"Strategic Stop Loss hit: {current_price_for_sl} <= {hard_stop}"
        
        if take_profit and take_profit > 0 and current_price_for_tp and current_price_for_tp >= take_profit: 
            return f"Strategic Take Profit hit: {current_price_for_tp} >= {take_profit}"
        
        return None 

    async def _check_atr_trailing_stop(self, trade: Dict, snapshot: Dict, current_price: float) -> str:
        """(جديد V7.5) يحسب ويحدث وقف الخسارة المتحرك ATR"""
        
        exit_profile = trade.get('decision_data', {}).get('exit_profile')
        if exit_profile != 'ATR_TRAILING':
            return None # هذه الصفقة لا تستخدم ATR

        try:
            # 1. جلب الإعدادات
            params = trade.get('decision_data', {}).get('exit_parameters', {})
            atr_multiplier = params.get('atr_multiplier', 3.0)
            
            # 2. جلب مؤشر ATR من إطار 1h
            atr_1h = snapshot.get('indicators_1h', {}).get('atr')
            if not atr_1h or atr_1h <= 0:
                # (لا يمكن الحساب بدون ATR، لا تفعل شيئاً)
                return None
                
            # 3. حساب وقف الخسارة المتحرك الجديد
            # (السعر الحالي - (قيمة ATR * المضاعف))
            new_trailing_stop = current_price - (atr_1h * atr_multiplier)
            
            # 4. جلب وقف الخsارة الحالي (الديناميكي)
            current_dynamic_sl = trade.get('dynamic_stop_loss', 0)
            
            # 5. منطق التحديث (لا تخفض الوقف أبداً)
            if new_trailing_stop > current_dynamic_sl:
                # (وجدنا سعراً أفضل لوقف الخسارة، قم بتحديثه)
                print(f"   [Sentry ATR] {trade['symbol']}: Raising Dynamic SL to {new_trailing_stop:.6f} (from {current_dynamic_sl:.6f})")
                await self._update_trade_dynamic_sl_in_r2(trade['id'], new_trailing_stop)
                
                # (تحقق فوراً إذا كان السعر الحالي قد كسره)
                if current_price <= new_trailing_stop:
                    return f"ATR Trailing Stop hit: {current_price} <= {new_trailing_stop}"
                    
            # (تحقق إذا كان السعر قد كسر الوقف القديم)
            elif current_dynamic_sl > 0 and current_price <= current_dynamic_sl:
                 return f"ATR Trailing Stop hit: {current_price} <= {current_dynamic_sl}"

            return None # (لم يتم كسر الوقف)
            
        except Exception as e:
            print(f"❌ [Sentry ATR] {trade['symbol']}: Error calculating ATR stop: {e}")
            return None


    def _create_dataframe_5m(self, candles: List) -> pd.DataFrame:
        """(جديد V7.0) دالة مساعدة لإنشاء DataFrame لتحليل 5m"""
        try:
            if not candles: return pd.DataFrame()
            df = pd.DataFrame(candles, columns=['timestamp', 'open', 'high', 'low', 'close', 'volume'])
            df[['open', 'high', 'low', 'close', 'volume']] = df[['open', 'high', 'low', 'close', 'volume']].astype(float)
            df['timestamp'] = pd.to_datetime(df['timestamp'], unit='ms')
            df.set_index('timestamp', inplace=True)
            df.sort_index(inplace=True)
            return df
        except Exception:
            return pd.DataFrame()

    async def _run_5m_profit_saver(self, trade: Dict, ohlcv_5m_list: List, tactical_data: TacticalData, all_weights: Dict) -> Dict:
        """
        (محدث V7.3) "مراقب الانعكاس" 5m.
        - يستخدم الآن الأوزان المتكيفة من محور التعلم.
        """
        
        dynamic_weights = all_weights.get("reversal_indicator_weights", {
            "pattern": 0.4, "rsi": 0.3, "macd": 0.3
        })
        reversal_threshold = 0.70 
        
        try:
            best_bid_price = None
            if tactical_data.order_book and tactical_data.order_book.get('bids') and len(tactical_data.order_book['bids']) > 0:
                best_bid_price = tactical_data.order_book['bids'][0][0]
            
            if best_bid_price is None:
                return None 
                
            entry_price = trade.get('entry_price')
            is_profitable = best_bid_price > entry_price

            if len(ohlcv_5m_list) < 26:
                return None 
                
            df_5m = self._create_dataframe_5m(ohlcv_5m_list)
            if df_5m.empty:
                return None

            indicators_5m = self.sentry_technical_analyzer.calculate_all_indicators(df_5m, '5m')
            
            pattern_analysis_5m = await self.sentry_pattern_analyzer.detect_chart_patterns({'5m': ohlcv_5m_list})

            weights = dynamic_weights
            
            pattern_score = 0.0
            pattern_name = pattern_analysis_5m.get('pattern_detected', '')
            pattern_conf = pattern_analysis_5m.get('pattern_confidence', 0)
            if pattern_name in ['Double Top', 'Downtrend', 'Breakout Down', 'Near Resistance', 'Bearish Pattern'] and pattern_conf > 0.5:
                pattern_score = pattern_conf 
            
            rsi_score = 0.0
            rsi_5m = indicators_5m.get('rsi', 50)
            if rsi_5m < 50:
                rsi_score = min(1.0, (50 - rsi_5m) / 20.0)
            
            macd_score = 0.0
            macd_hist_5m = indicators_5m.get('macd_hist', 0)
            if macd_hist_5m < 0:
                current_price = df_5m['close'].iloc[-1]
                if current_price > 0:
                    normalized_macd_hist = abs(macd_hist_5m) / current_price
                    macd_score = min(1.0, normalized_macd_hist / 0.001)

            reversal_score = (
                (pattern_score * weights.get('pattern', 0.4)) +
                (rsi_score * weights.get('rsi', 0.3)) +
                (macd_score * weights.get('macd', 0.3))
            )
            
            if reversal_score >= reversal_threshold:
                if is_profitable:
                    return {"decision": "EXIT", "score": reversal_score, "threshold": reversal_threshold, "reason": "Reversal signal detected and trade is profitable"}
                else:
                    return {"decision": "HOLD", "score": reversal_score, "threshold": reversal_threshold, "reason": "Reversal signal detected, but trade is not profitable"}
            else:
                return {"decision": "HOLD", "score": reversal_score, "threshold": reversal_threshold, "reason": "Trend intact / Reversal score low"}
            
        except Exception as e:
            print(f"❌ [Sentry] خطأ في مراقب حماية الأرباح 5m: {e}")
            return {"decision": "HOLD", "score": 0.0, "threshold": reversal_threshold, "reason": f"Error in 5m analysis: {e}"}


    async def _execute_smart_entry(self, symbol: str, strategy_hint: str, tactical_data: Dict, explorer_context: Dict):
        """
        (محدث V7.3)
        يحاكي تنفيذ الصفقة ويحفظها في R2 (مع سياق القرار للتعليم السريع).
        """
        print(f"🚀 [Executor] بدء تنفيذ الدخول الذكي (وهمي) لـ {symbol}...")
        
        context_for_retry = explorer_context 
        
        if self.state_manager.trade_analysis_lock.locked(): 
            print(f"⚠️ [Executor] تم إلغاء الدخول لـ {symbol} بسبب قفل التحليل الاستراتيجي."); 
            return
            
        if not self.r2_service.acquire_lock(): 
            print(f"⚠️ [Executor] فشل في الحصول على قفل R2 لـ {symbol}. تم الإلغاء."); 
            return

        try:
            if await self.get_trade_by_symbol(symbol): 
                print(f"ℹ️ [Executor] الصفقة {symbol} مفتوحة بالفعل (وهمياً). تم الإلغاء."); 
                return
            
            all_open_trades = await self.get_open_trades()
            if len(all_open_trades) > 0:
                print(f"❌ [Executor] يوجد صفقة أخرى مفتوحة ({all_open_trades[0]['symbol']}). لا يمكن فتح {symbol}.");
                return

            portfolio_state = await self.r2_service.get_portfolio_state_async()
            available_capital = portfolio_state.get("current_capital_usd", 0)
            
            if available_capital < 1: 
                print(f"❌ [Executor] رأس مال وهمي غير كافٍ لـ {symbol}."); 
                return

            current_ask_price = None
            if symbol in self.tactical_data_cache and self.tactical_data_cache[symbol].order_book:
                 ob = self.tactical_data_cache[symbol].order_book
                 if ob and ob.get('asks') and len(ob['asks']) > 0: 
                     current_ask_price = ob['asks'][0][0]
            
            if not current_ask_price: 
                print(f"❌ [Executor] لا يمكن الحصول على السعر الحالي (من البيانات العامة) لـ {symbol}."); 
                return

            llm_decision = explorer_context.get('decision', {}) 
            stop_loss_price = llm_decision.get("stop_loss", current_ask_price * 0.98)
            take_profit_price = llm_decision.get("take_profit", current_ask_price * 1.03)
            exit_profile = llm_decision.get('exit_profile', 'ATR_TRAILING')
            exit_parameters = llm_decision.get('exit_parameters', {})

            if not (stop_loss_price and take_profit_price):
                print(f"❌ [Executor] {symbol}: بيانات SL/TP غير صالحة من النموذج. تم الإلغاء.")
                return

            if current_ask_price >= take_profit_price:
                print(f"⚠️ [Executor] {symbol}: السعر الحالي ({current_ask_price}) أعلى من هدف الربح ({take_profit_price}). الفرصة ضاعت. تم الإلغاء.")
                return
                
            if current_ask_price <= stop_loss_price:
                print(f"⚠️ [Executor] {symbol}: السعر الحالي ({current_ask_price}) أقل من وقف الخسارة ({stop_loss_price}). الصفقة فاشلة. تم الإلغاء.")
                return
            
            final_entry_price = current_ask_price
            print(f"✅ [Executor] (SIMULATED) تم التنفيذ! {symbol} بسعر {final_entry_price}")
            
            indicators_at_decision = tactical_data.get('indicators_1m', {})
            market_context_at_decision = explorer_context.get('full_candidate_data', {}).get('sentiment_data', {})
            if 'full_candidate_data' in explorer_context:
                if 'ohlcv' in explorer_context['full_candidate_data']:
                    del explorer_context['full_candidate_data']['ohlcv']
                if 'raw_ohlcv' in explorer_context['full_candidate_data']:
                    del explorer_context['full_candidate_data']['raw_ohlcv']

            await self._save_trade_to_r2(
                symbol=symbol, entry_price=final_entry_price, position_size_usd=available_capital,
                strategy=strategy_hint, exit_profile=exit_profile, exit_parameters=exit_parameters,
                stop_loss=stop_loss_price, take_profit=take_profit_price,
                tactical_context=tactical_data, 
                explorer_context=explorer_context,
                market_context_at_decision=market_context_at_decision,
                indicators_at_decision=indicators_at_decision
            )
            
            print(f"   [Executor] الصفقة {symbol} فُتحت. مسح باقي قائمة المراقبة (Watchlist)...")
            async with self.sentry_lock:
                self.sentry_watchlist.clear()
                print("   [Sentry] تم مسح Watchlist.")

        except Exception as e: 
            print(f"❌ [Executor] فشل فادح أثناء التنفيذ (SIM) لـ {symbol}: {e}"); 
            traceback.print_exc()
            
            print(f"   [Sentry] إعادة {symbol} إلى Watchlist بعد فشل التنفيذ الوهمي.")
            async with self.sentry_lock:
                self.sentry_watchlist[symbol] = {
                    "symbol": symbol, 
                    "strategy_hint": strategy_hint, 
                    "llm_decision_context": context_for_retry 
                }

        finally:
            if self.r2_service.lock_acquired: 
                self.r2_service.release_lock()


    async def _save_trade_to_r2(self, **kwargs):
        """
        (محدث V7.3)
        يحفظ بيانات الصفقة الوهمية، متضمناً سياق القرار للتعليم السريع.
        """
        try:
            symbol = kwargs.get('symbol')
            strategy = kwargs.get('strategy')
            exit_profile = kwargs.get('exit_profile')
            expected_target_time = (datetime.now() + timedelta(minutes=15)).isoformat()

            explorer_context_blob = kwargs.get('explorer_context', {})
            llm_decision_only = explorer_context_blob.get('decision', {})
            
            decision_data = {
                "reasoning": f"Tactical entry by Sentry based on {strategy}",
                "strategy": strategy, 
                "exit_profile": exit_profile,
                "exit_parameters": kwargs.get('exit_parameters', {}),
                "tactical_context_at_decision": kwargs.get('tactical_context', {}),
                "explorer_llm_decision": llm_decision_only,
                
                "market_context_at_decision": kwargs.get('market_context_at_decision', {}),
                "indicators_at_decision": kwargs.get('indicators_at_decision', {})
            }
            
            new_trade = {
                "id": str(int(datetime.now().timestamp())), 
                "symbol": symbol,
                "entry_price": kwargs.get('entry_price'), 
                "entry_timestamp": datetime.now().isoformat(),
                "decision_data": decision_data, 
                "status": "OPEN",
                "stop_loss": kwargs.get('stop_loss'), 
                "take_profit": kwargs.get('take_profit'),
                # (يتم تعيين الوقف الديناميكي الأولي بنفس قيمة الوقف الثابت)
                "dynamic_stop_loss": kwargs.get('stop_loss'), 
                "trade_type": "LONG",
                "position_size_usd": kwargs.get('position_size_usd'),
                "expected_target_minutes": 15, 
                "expected_target_time": expected_target_time,
                "is_monitored": True, 
                "strategy": strategy, 
                "monitoring_started": True
            }
            
            trades = await self.r2_service.get_open_trades_async()
            trades.append(new_trade)
            await self.r2_service.save_open_trades_async(trades)
            
            portfolio_state = await self.r2_service.get_portfolio_state_async()
            portfolio_state["invested_capital_usd"] = kwargs.get('position_size_usd')
            portfolio_state["current_capital_usd"] = 0.0
            portfolio_state["total_trades"] = portfolio_state.get("total_trades", 0) + 1
            await self.r2_service.save_portfolio_state_async(portfolio_state)
            
            await self.r2_service.save_system_logs_async({
                "new_trade_opened_by_sentry": True, "symbol": symbol,
                "position_size": kwargs.get('position_size_usd'),
                "strategy": strategy, "exit_profile": exit_profile
            })
            print(f"✅ [R2] تم حفظ الصفقة الجديدة (الوهمية) لـ {symbol} بنجاح (مع سياق التعليم).")
        except Exception as e: 
            print(f"❌ [R2] فشل حفظ الصفقة لـ {symbol}: {e}"); 
            traceback.print_exc()
            raise

    async def close_trade(self, trade_to_close, close_price, reason="System Close"):
        try:
            symbol = trade_to_close.get('symbol'); trade_to_close['status'] = 'CLOSED'
            trade_to_close['close_price'] = close_price; trade_to_close['close_timestamp'] = datetime.now().isoformat()
            trade_to_close['is_monitored'] = False; entry_price = trade_to_close['entry_price']
            position_size = trade_to_close['position_size_usd']; strategy = trade_to_close.get('strategy', 'unknown')
            pnl = 0.0; pnl_percent = 0.0
            if entry_price and entry_price > 0 and close_price and close_price > 0:
                try: pnl_percent = ((close_price - entry_price) / entry_price) * 100; pnl = position_size * (pnl_percent / 100)
                except (TypeError, ZeroDivisionError): pnl = 0.0; pnl_percent = 0.0
            trade_to_close['pnl_usd'] = pnl; trade_to_close['pnl_percent'] = pnl_percent
            
            try:
                entry_dt = datetime.fromisoformat(trade_to_close['entry_timestamp'])
                close_dt = datetime.fromisoformat(trade_to_close['close_timestamp'])
                duration_minutes = (close_dt - entry_dt).total_seconds() / 60
                trade_to_close['hold_duration_minutes'] = round(duration_minutes, 2)
            except Exception:
                trade_to_close['hold_duration_minutes'] = 'N/A'
                
            
            await self._archive_closed_trade(trade_to_close); await self._update_trade_summary(trade_to_close)
            portfolio_state = await self.r2_service.get_portfolio_state_async()
            current_capital = portfolio_state.get("current_capital_usd", 0); new_capital = current_capital + position_size + pnl
            portfolio_state["current_capital_usd"] = new_capital; portfolio_state["invested_capital_usd"] = 0.0
            if pnl > 0: portfolio_state["winning_trades"] = portfolio_state.get("winning_trades", 0) + 1; portfolio_state["total_profit_usd"] = portfolio_state.get("total_profit_usd", 0.0) + pnl
            elif pnl < 0: portfolio_state["total_loss_usd"] = portfolio_state.get("total_loss_usd", 0.0) + abs(pnl)
            await self.r2_service.save_portfolio_state_async(portfolio_state)
            open_trades = await self.r2_service.get_open_trades_async()
            trades_to_keep = [t for t in open_trades if t.get('id') != trade_to_close.get('id')]
            await self.r2_service.save_open_trades_async(trades_to_keep)
            
            await self.r2_service.save_system_logs_async({
                "trade_closed": True, "symbol": symbol, "pnl_usd": pnl, "pnl_percent": pnl_percent,
                "new_capital": new_capital, "strategy": strategy, "reason": reason
            })
            
            if self.learning_hub and self.learning_hub.initialized:
                print(f"🧠 [LearningHub] تشغيل التعلم (Reflector+Stats) لـ {symbol}...")
                await self.learning_hub.analyze_trade_and_learn(trade_to_close, reason)
            else: print("⚠️ [Sentry] LearningHub غير متاح، تم تخطي التعلم.")
            
            if self.callback_on_close:
                print("🔄 [Executor] Trade closed. Scheduling immediate Explorer cycle...")
                asyncio.create_task(self.callback_on_close())
            
            print(f"✅ [Executor] تم إغلاق الصفقة (الوهمية) {symbol} - السبب: {reason} - PnL: {pnl_percent:+.2f}%")
            return True
        except Exception as e: print(f"❌ [Executor] فشل فادح أثناء إغلاق الصفقة (الوهمية) {symbol}: {e}"); traceback.print_exc(); raise

    async def immediate_close_trade(self, symbol, close_price, reason="Immediate Close"):
        if not self.r2_service.acquire_lock(): print(f"⚠️ [Executor] فشل في الحصول على قفل R2 لـ {symbol} (Immediate Close)"); return False
        try:
            open_trades = await self.r2_service.get_open_trades_async()
            trade_to_close = next((t for t in open_trades if t['symbol'] == symbol and t['status'] == 'OPEN'), None)
            if not trade_to_close: print(f"⚠️ [Executor] لا توجد صفقة مفتوحة لـ {symbol} لإغلاقها."); return False
            await self.close_trade(trade_to_close, close_price, reason)
            return True
        except Exception as e: print(f"❌ [Executor] فشل في immediate_close {symbol}: {e}"); return False
        finally:
            if self.r2_service.lock_acquired: self.r2_service.release_lock()

    async def update_trade_strategy(self, trade_to_update, re_analysis_decision):
        """
        (محدث V7.5)
        تحديث استراتيجية الصفقة بذكاء، مع تجنب مسح قيم SL/TP.
        """
        try:
            symbol = trade_to_update.get('symbol')
            
            if re_analysis_decision.get('action') == "UPDATE_TRADE":
                
                # (الإصلاح 1: التحقق من new_stop_loss)
                new_sl = re_analysis_decision.get('new_stop_loss')
                if new_sl and isinstance(new_sl, (int, float)) and new_sl > 0:
                    trade_to_update['stop_loss'] = new_sl
                    trade_to_update['dynamic_stop_loss'] = new_sl # (إعادة ضبط الوقف المتحرك أيضاً)
                
                # (الإصلاح 2: التحقق من new_take_profit)
                new_tp = re_analysis_decision.get('new_take_profit')
                if new_tp and isinstance(new_tp, (int, float)) and new_tp > 0:
                    trade_to_update['take_profit'] = new_tp

                trade_to_update['decision_data']['exit_profile'] = re_analysis_decision['new_exit_profile']
                trade_to_update['decision_data']['exit_parameters'] = re_analysis_decision['new_exit_parameters']
                print(f"   🔄 (Explorer) {symbol}: Exit profile updated to {re_analysis_decision['new_exit_profile']}")
            
            # (تحديث الوقت والسبب دائماً)
            new_expected_minutes = re_analysis_decision.get('new_expected_minutes', 15)
            trade_to_update['expected_target_minutes'] = new_expected_minutes
            trade_to_update['expected_target_time'] = (datetime.now() + timedelta(minutes=new_expected_minutes)).isoformat()
            trade_to_update['decision_data']['reasoning'] = re_analysis_decision.get('reasoning')
            
            # (حفظ التغييرات في R2)
            open_trades = await self.r2_service.get_open_trades_async()
            for i, trade in enumerate(open_trades):
                if trade.get('id') == trade_to_update.get('id'): 
                    open_trades[i] = trade_to_update
                    break
            await self.r2_service.save_open_trades_async(open_trades)
            await self.r2_service.save_system_logs_async({"trade_strategy_updated": True, "symbol": symbol})
            print(f"✅ (Explorer) تم تحديث الأهداف الاستراتيجية لـ {symbol}")
            return True
        except Exception as e: 
            print(f"❌ (Explorer) فشل تحديث استراتيجية {symbol}: {e}"); 
            raise

    async def _update_trade_dynamic_sl_in_r2(self, trade_id: str, new_dynamic_sl: float):
        """(جديد V7.5) دالة مساعدة لتحديث الوقف الديناميكي فقط في R2"""
        try:
            # (لا نحتاج قفل هنا لأننا داخل حلقة الحارس المحمية)
            open_trades = await self.r2_service.get_open_trades_async()
            trade_found = False
            for i, trade in enumerate(open_trades):
                if trade.get('id') == trade_id:
                    trade['dynamic_stop_loss'] = new_dynamic_sl
                    open_trades[i] = trade
                    trade_found = True
                    break
            
            if trade_found:
                await self.r2_service.save_open_trades_async(open_trades)
            
        except Exception as e:
            print(f"❌ [Sentry ATR] فشل حفظ الوقف المتحرك الجديد في R2: {e}")

    async def _archive_closed_trade(self, closed_trade):
        try:
            key = "closed_trades_history.json"; history = []
            try: response = self.r2_service.s3_client.get_object(Bucket="trading", Key=key); history = json.loads(response['Body'].read())
            except Exception: pass
            history.append(closed_trade); history = history[-1000:]
            data_json = json.dumps(history, indent=2).encode('utf-8')
            self.r2_service.s3_client.put_object(Bucket="trading", Key=key, Body=data_json, ContentType="application/json")
        except Exception as e: print(f"❌ Failed to archive trade: {e}")

    async def _update_trade_summary(self, closed_trade):
        try:
            key = "trade_summary.json"; summary = {"total_trades": 0, "winning_trades": 0, "losing_trades": 0, "total_profit_usd": 0.0, "total_loss_usd": 0.0, "win_percentage": 0.0, "avg_profit_per_trade": 0.0, "avg_loss_per_trade": 0.0, "largest_win": 0.0, "largest_loss": 0.0, "last_updated": datetime.now().isoformat()}
            try: response = self.r2_service.s3_client.get_object(Bucket="trading", Key=key); summary = json.loads(response['Body'].read())
            except Exception: pass
            pnl = closed_trade.get('pnl_usd', 0.0); summary['total_trades'] += 1
            if pnl >= 0: summary['winning_trades'] += 1; summary['total_profit_usd'] += pnl; summary['largest_win'] = max(summary.get('largest_win', 0), pnl)
            else: summary['losing_trades'] += 1; summary['total_loss_usd'] += abs(pnl); summary['largest_loss'] = max(summary.get('largest_loss', 0), abs(pnl))
            if summary['total_trades'] > 0: summary['win_percentage'] = (summary['winning_trades'] / summary['total_trades']) * 100
            if summary['winning_trades'] > 0: summary['avg_profit_per_trade'] = summary['total_profit_usd'] / summary['winning_trades']
            if summary['losing_trades'] > 0: summary['avg_loss_per_trade'] = summary['total_loss_usd'] / summary['losing_trades']
            summary['last_updated'] = datetime.now().isoformat()
            data_json = json.dumps(summary, indent=2).encode('utf-8')
            self.r2_service.s3_client.put_object(Bucket="trading", Key=key, Body=data_json, ContentType="application/json")
        except Exception as e: print(f"❌ Failed to update trade summary: {e}")

    async def get_open_trades(self):
        try: return await self.r2_service.get_open_trades_async()
        except Exception as e: print(f"❌ Failed to get open trades: {e}"); return []

    async def get_trade_by_symbol(self, symbol):
        try:
            open_trades = await self.get_open_trades()
            return next((t for t in open_trades if t['symbol'] == symbol and t['status'] == 'OPEN'), None)
        except Exception as e: print(f"❌ Failed to get trade by symbol {symbol}: {e}"); return None


print(f"✅ Trade Manager loaded - V7.6 (Exponential Backoff) (ccxt.async_support: {CCXT_ASYNC_AVAILABLE})")