okx-auto-position: advisor 单币上限计算 + CLI symbol 拼接防重复

- recommend_position: coin_cap=min(总资产,200), 首仓70%/加仓100%, 返回 single_coin_avail
- CLI: 已含 :USDT 的 symbol 不再重复拼 (修 BadSymbol SNDK/USDT:USDT/USDT:USDT)

okx-auto-position/scripts/okx_position_advisor.py

@@ -40,7 +40,10 @@ def load_credentials():
 
 
 def create_exchange(creds):
-    """Create ccxt OKX exchange instance with proxy"""
+    """Create ccxt OKX exchange instance with proxy
+    2026-08-31 验证: 国内 VPS 直连 www.okx.com 不通 (No route to host),
+    必须走 proxychains/proxies 127.0.0.1:7890
+    """
     return ccxt.okx({
         'apiKey': creds['OKX_API_KEY'],
         'secret': creds['OKX_SECRET'],
@@ -221,25 +224,36 @@ def recommend_position(symbol, side, leverage, exchange, acct_info):
     if leverage < 1:
         leverage = 1
 
-    # Position sizing: 单币种上限 75% × 账户总资产 - 当前同币种已用
+    # 2026-09-16: 单币种上限 = min(总资产, $200), 百分比按上限算
-    # 用户原话: "只持仓一种币的时候, 最多加仓到账户资金的 75%"
+    # 首仓 = 上限 × 70%, 加仓 = 上限 × 100% (可追满)
-    single_coin_cap_pct = cfg('position_sizing', 'single_coin_max_pct', 0.75)
+    # 总资产 ≥ $1000 → 跳过 (配置上限失效)
-    base = symbol.split('/')[0]  # e.g. 'BTC' from 'BTC/USDT:USDT'
+    total_cap = acct_info.get('total_capital', acct_info['usdt_free'])
+    disable_threshold = cfg('position_sizing', 'single_coin_total_cap_disable_usdt', 1000)
+    if total_cap >= disable_threshold:
+        return {'error': f'⚠️ 总资产 ${total_cap:.2f} ≥ ${disable_threshold}, 配置上限失效, 跳过'}
 
     # 当前同币种已用保证金
+    base = symbol.split('/')[0]
     same_coin_margin = 0.0
     for p in acct_info.get('positions', []):
         if p['symbol'].startswith(base):
             same_coin_margin += abs(p['margin'])
 
-    # 单币种总上限 (基于账户总资产)
+    # 单币种上限 = min(总资产, $200)
-    total_cap = acct_info.get('total_capital', acct_info['usdt_free'])
+    coin_cap = min(total_cap, cfg('position_sizing', 'single_coin_ceiling_usdt', 200))
-    single_coin_cap = total_cap * single_coin_cap_pct
+    # 首仓 vs 加仓
+    if same_coin_margin == 0:
+        cap = coin_cap * cfg('position_sizing', 'single_coin_max_pct', 0.70)
+    else:
+        cap = coin_cap * cfg('position_sizing', 'single_coin_add_pct', 1.00)
     # 还可加仓 = 上限 - 已用
-    single_coin_avail = max(0, single_coin_cap - same_coin_margin)
+    single_coin_avail = max(0, cap - same_coin_margin)
 
     # 同时考虑 free 余额 (不能超过 free)
-    avail_margin = min(acct_info['usdt_free'], single_coin_avail)
+    # 2026-09-02: 加 1.07 缓冲 (OKX 实际冻结 = 保证金 + 维持 0.5% + 手续费 + funding),
+    # 不加会复现 SKHYNIX 加仓 51008 失败 (Free $98 + 实际冻结 $105 = 差 $7)
+    SAFETY_FACTOR = 1.07
+    avail_margin = min(acct_info['usdt_free'] / SAFETY_FACTOR, single_coin_avail / SAFETY_FACTOR)
     margin_per_contract = ct_val * price / leverage
 
     if margin_per_contract <= 0:
@@ -364,6 +378,7 @@ def recommend_position(symbol, side, leverage, exchange, acct_info):
         'base_amount': contracts * ct_val,
         'margin': round(total_margin, 2),
         'margin_pct': round(margin_pct, 1),
+        'single_coin_avail': round(single_coin_avail, 2),  # 2026-09-16: hard check 用
         'tp_price': round(tp_price, 2),
         'tp_pct': round(tp_pct, 2),
         'tp_pnl': round(tp_pnl, 2),
@@ -470,11 +485,36 @@ def execute_order(exchange, rec):
 
     results = {'steps': []}
 
+    # 0. 写错误日志的辅助函数 (用户要求 - 失败要主动记, 不然跟定时任务一样不知有没有成功)
+    import json as _json
+    from datetime import datetime as _dt
+    _ERR_LOG = os.path.expanduser('~/.hermes/trading/order_errors.log')
+
+    def _log_error(stage, err_msg, extra=None):
+        """主动记录订单错误到独立文件 (用户要求 2026-08-06)"""
+        try:
+            log_entry = {
+                'ts': _dt.now().isoformat(),
+                'stage': stage,
+                'symbol': symbol,
+                'inst_id': inst_id,
+                'side': side,
+                'contracts': contracts,
+                'leverage': leverage,
+                'error': str(err_msg)[:500],
+                'extra': extra or {},
+            }
+            with open(_ERR_LOG, 'a') as f:
+                f.write(_json.dumps(log_entry, ensure_ascii=False) + '\n')
+        except Exception:
+            pass  # 写日志不能 fail 主流程
+
     # 1. Set leverage
     try:
         exchange.set_leverage(leverage, symbol)
         results['steps'].append({'step': 'leverage', 'status': 'ok'})
     except Exception as e:
+        _log_error('set_leverage', e, {'rec': {k: v for k, v in rec.items() if k in ['tp_price', 'sl_price', 'price']}})
         results['steps'].append({'step': 'leverage', 'status': 'warn', 'msg': str(e)})
 
     # 2. Place market order
@@ -491,6 +531,7 @@ def execute_order(exchange, rec):
         }
         results['steps'].append({'step': 'order', 'status': 'ok', 'order_id': order['id']})
     except Exception as e:
+        _log_error('place_order', e, {'contracts': contracts, 'price': rec.get('price')})
         results['steps'].append({'step': 'order', 'status': 'error', 'msg': str(e)})
         return results
 
@@ -566,8 +607,10 @@ def execute_order(exchange, rec):
                 results['algo'] = {'id': algo_id, 'sl': rec['sl_price'], 'tp': None}
                 results['steps'].append({'step': 'sl_only', 'status': 'ok', 'algo_id': algo_id})
             else:
+                _log_error('sl_algo', f'no algoId: {resp}', {})
                 results['steps'].append({'step': 'sl_only', 'status': 'warn', 'msg': str(resp)})
         except Exception as e:
+            _log_error('sl_algo', e, {'sl_price': rec.get('sl_price')})
             results['steps'].append({'step': 'sl_only', 'status': 'error', 'msg': str(e)})
 
     # 5. Verify position
@@ -775,9 +818,15 @@ def main():
     creds = load_credentials()
     exchange = create_exchange(creds)
 
-    # Build symbol
+    # Build symbol (避免重复拼 /USDT:USDT)
-    symbol = f"{args.symbol.upper()}/USDT:USDT"
+    sym_arg = args.symbol.upper()
-    inst_id = f"{args.symbol.upper()}-USDT-SWAP"
+    if ':USDT' in sym_arg or '/USDT:' in sym_arg:
+        symbol = sym_arg
+    else:
+        symbol = f"{sym_arg}/USDT:USDT"
+    inst_id = sym_arg.replace('/', '-').replace(':USDT', '-SWAP').replace(':USD', '-SWAP')
+    if '-SWAP' not in inst_id:
+        inst_id = f"{sym_arg.split('/')[0]}-USDT-SWAP"
 
     # Close mode
     if args.close: