fix: 详情页5门显示修undefined bug，表单加per-symbol推荐值，切换symbol自动填推荐

frontend/app/strategy-plaza/[id]/edit/page.tsx

@@ -33,12 +33,19 @@ export default function EditStrategyPage() {
           weight_aux: s.weight_aux,
           weight_momentum: s.weight_momentum,
           entry_score: s.entry_score,
+          // 门1 波动率
+          gate_vol_enabled: s.gate_vol_enabled,
+          vol_atr_pct_min: s.vol_atr_pct_min,
+          // 门2 CVD共振
+          gate_cvd_enabled: s.gate_cvd_enabled ?? true,
+          // 门3 鲸鱼否决
+          gate_whale_enabled: s.gate_whale_enabled,
+          whale_usd_threshold: s.whale_usd_threshold,
+          whale_flow_pct: s.whale_flow_pct,
+          // 门4 OBI否决
           gate_obi_enabled: s.gate_obi_enabled,
           obi_threshold: s.obi_threshold,
-          gate_whale_enabled: s.gate_whale_enabled,
+          // 门5 期现背离
-          whale_cvd_threshold: s.whale_cvd_threshold,
-          gate_vol_enabled: s.gate_vol_enabled,
-          atr_percentile_min: s.atr_percentile_min,
           gate_spot_perp_enabled: s.gate_spot_perp_enabled,
           spot_perp_threshold: s.spot_perp_threshold,
           sl_atr_multiplier: s.sl_atr_multiplier,

frontend/app/strategy-plaza/[id]/page.tsx

@@ -59,12 +59,19 @@ interface StrategyDetail {
   weight_aux: number;
   weight_momentum: number;
   entry_score: number;
+  // 门1 波动率
+  gate_vol_enabled: boolean;
+  vol_atr_pct_min: number;
+  // 门2 CVD共振
+  gate_cvd_enabled: boolean;
+  // 门3 鲸鱼否决
+  gate_whale_enabled: boolean;
+  whale_usd_threshold: number;
+  whale_flow_pct: number;
+  // 门4 OBI否决
   gate_obi_enabled: boolean;
   obi_threshold: number;
-  gate_whale_enabled: boolean;
+  // 门5 期现背离
-  whale_cvd_threshold: number;
-  gate_vol_enabled: boolean;
-  atr_percentile_min: number;
   gate_spot_perp_enabled: boolean;
   spot_perp_threshold: number;
   sl_atr_multiplier: number;
@@ -150,13 +157,14 @@ function ConfigTab({ detail, strategyId }: { detail: StrategyDetail; strategyId:
           {row("入场阈值", `${detail.entry_score} 分`)}
         </div>
 
-        {/* 四道 Gate */}
+        {/* 五道 Gate */}
         <div className="bg-white border border-slate-200 rounded-xl p-4">
           <h4 className="text-xs font-semibold text-slate-600 mb-2">过滤门控 (Gate)</h4>
-          {gateRow("Gate1 OBI", detail.gate_obi_enabled, `≥ ${detail.obi_threshold}`)}
+          {gateRow("门1 波动率", detail.gate_vol_enabled, `ATR% ≥ ${((detail.vol_atr_pct_min ?? 0) * 100).toFixed(2)}%`)}
-          {gateRow("Gate2 大单CVD", detail.gate_whale_enabled, `≥ ${detail.whale_cvd_threshold}`)}
+          {gateRow("门2 CVD共振", detail.gate_cvd_enabled ?? true, "快慢CVD同向")}
-          {gateRow("Gate3 ATR%", detail.gate_vol_enabled, `≥ ${detail.atr_percentile_min}%`)}
+          {gateRow("门3 鲸鱼否决", detail.gate_whale_enabled, `USD ≥ $${((detail.whale_usd_threshold ?? 50000) / 1000).toFixed(0)}k`)}
-          {gateRow("Gate4 现货溢价", detail.gate_spot_perp_enabled, `≤ ${detail.spot_perp_threshold}`)}
+          {gateRow("门4 OBI否决", detail.gate_obi_enabled, `阈值 ${detail.obi_threshold}`)}
+          {gateRow("门5 期现背离", detail.gate_spot_perp_enabled, `溢价 ≤ ${((detail.spot_perp_threshold ?? 0.005) * 100).toFixed(2)}%`)}
         </div>
 
         {/* 风控参数 */}
@@ -235,12 +243,14 @@ export default function StrategyDetailPage() {
           weight_aux: s.weight_aux,
           weight_momentum: s.weight_momentum,
           entry_score: s.entry_score,
+          gate_vol_enabled: s.gate_vol_enabled,
+          vol_atr_pct_min: s.vol_atr_pct_min,
+          gate_cvd_enabled: s.gate_cvd_enabled,
+          gate_whale_enabled: s.gate_whale_enabled,
+          whale_usd_threshold: s.whale_usd_threshold,
+          whale_flow_pct: s.whale_flow_pct,
           gate_obi_enabled: s.gate_obi_enabled,
           obi_threshold: s.obi_threshold,
-          gate_whale_enabled: s.gate_whale_enabled,
-          whale_cvd_threshold: s.whale_cvd_threshold,
-          gate_vol_enabled: s.gate_vol_enabled,
-          atr_percentile_min: s.atr_percentile_min,
           gate_spot_perp_enabled: s.gate_spot_perp_enabled,
           spot_perp_threshold: s.spot_perp_threshold,
           sl_atr_multiplier: s.sl_atr_multiplier,

frontend/components/StrategyForm.tsx

@@ -73,6 +73,44 @@ export const DEFAULT_FORM: StrategyFormData = {
   description: "",
 };
 
+// ─── Per-symbol 推荐值 ────────────────────────────────────────────────────────
+// 来自 v53.json symbol_gates，与 signal_engine.py 默认值保持一致
+export const SYMBOL_RECOMMENDED: Record<string, Partial<StrategyFormData>> = {
+  BTCUSDT: {
+    vol_atr_pct_min: 0.002,    // ATR需>价格0.2%
+    whale_usd_threshold: 100000, // 鲸鱼单>10万USD
+    whale_flow_pct: 0.5,        // BTC鲸鱼流量>50%才否决
+    obi_threshold: 0.30,        // OBI阈值宽松（BTC流动性好）
+    spot_perp_threshold: 0.003, // 期现溢价<0.3%
+  },
+  ETHUSDT: {
+    vol_atr_pct_min: 0.003,    // ETH波动需更大
+    whale_usd_threshold: 50000,
+    whale_flow_pct: 0.5,
+    obi_threshold: 0.35,
+    spot_perp_threshold: 0.005,
+  },
+  SOLUSDT: {
+    vol_atr_pct_min: 0.004,    // SOL波动更剧烈，需更高阈值
+    whale_usd_threshold: 20000,
+    whale_flow_pct: 0.5,
+    obi_threshold: 0.45,        // SOL OBI噪音多，需更严
+    spot_perp_threshold: 0.008,
+  },
+  XRPUSDT: {
+    vol_atr_pct_min: 0.0025,
+    whale_usd_threshold: 30000,
+    whale_flow_pct: 0.5,
+    obi_threshold: 0.40,
+    spot_perp_threshold: 0.006,
+  },
+};
+
+export function applySymbolDefaults(form: StrategyFormData, symbol: string): StrategyFormData {
+  const rec = SYMBOL_RECOMMENDED[symbol] || SYMBOL_RECOMMENDED["BTCUSDT"];
+  return { ...form, symbol, ...rec };
+}
+
 // ─── Helper Components ────────────────────────────────────────────────────────
 function FieldLabel({ label, hint }: { label: string; hint?: string }) {
   return (
@@ -256,7 +294,14 @@ export default function StrategyForm({ mode, initialData, strategyId, onSuccess,
             <FieldLabel label="交易对" />
             <SelectInput
               value={form.symbol}
-              onChange={(v) => set("symbol", v)}
+              onChange={(v) => {
+                if (mode === "create") {
+                  // 新建时切换币种自动填入推荐值
+                  setForm((prev) => applySymbolDefaults(prev, v));
+                } else {
+                  set("symbol", v);
+                }
+              }}
               options={[
                 { label: "BTC/USDT", value: "BTCUSDT" },
                 { label: "ETH/USDT", value: "ETHUSDT" },
@@ -376,13 +421,23 @@ export default function StrategyForm({ mode, initialData, strategyId, onSuccess,
       <div className="bg-white border border-slate-200 rounded-xl p-4">
         <h3 className="text-sm font-semibold text-slate-700 mb-3">过滤门控（Gate）</h3>
         <div className="space-y-3">
+          {/* 推荐值提示 */}
+          {(() => {
+            const rec = SYMBOL_RECOMMENDED[form.symbol];
+            if (!rec) return null;
+            return (
+              <div className="text-xs text-slate-500 bg-slate-50 rounded-lg px-3 py-2">
+                📌 {form.symbol.replace("USDT","")} 推荐值：ATR%≥{((rec.vol_atr_pct_min??0)*100).toFixed(2)}%，鲸鱼≥${((rec.whale_usd_threshold??50000)/1000).toFixed(0)}k，OBI阈值{rec.obi_threshold}
+              </div>
+            );
+          })()}
           <GateRow
             label="门1：波动率门 (ATR%价格)"
             hint="ATR占价格比例低于阈值时不开仓，过滤低波动时段"
             enabled={form.gate_vol_enabled}
             onToggle={() => set("gate_vol_enabled", !form.gate_vol_enabled)}
           >
-            <FieldLabel label="ATR% 最低阈值" hint="如0.002=价格0.2%，BTC默认0.002，ETH默认0.003" />
+            <FieldLabel label="ATR% 最低阈值" hint={`推荐：BTC=0.002, ETH=0.003, SOL=0.004, XRP=0.0025（当前${form.symbol.replace("USDT","")}推荐${SYMBOL_RECOMMENDED[form.symbol]?.vol_atr_pct_min??0.002}）`} />
             <NumberInput value={form.vol_atr_pct_min} onChange={(v) => set("vol_atr_pct_min", v)} min={0.0001} max={0.02} step={0.0005} />
           </GateRow>
           <GateRow
@@ -397,9 +452,9 @@ export default function StrategyForm({ mode, initialData, strategyId, onSuccess,
             enabled={form.gate_whale_enabled}
             onToggle={() => set("gate_whale_enabled", !form.gate_whale_enabled)}
           >
-            <FieldLabel label="大单USD阈值 (ALT)" hint="超过此USD金额视为鲸鱼单，ETH默认5万，BTC默认10万" />
+            <FieldLabel label="大单USD阈值 (ALT)" hint={`推荐：BTC=10万, ETH=5万, SOL=2万, XRP=3万（当前推荐$${((SYMBOL_RECOMMENDED[form.symbol]?.whale_usd_threshold??50000)/1000).toFixed(0)}k）`} />
             <NumberInput value={form.whale_usd_threshold} onChange={(v) => set("whale_usd_threshold", v)} min={1000} max={1000000} step={5000} />
-            <FieldLabel label="鲸鱼CVD流量阈值 (BTC)" hint="0~1，BTC鲸鱼净方向比例超过此值才否决，默认0.5" />
+            <FieldLabel label="鲸鱼CVD流量阈值 (BTC)" hint="0~1，BTC鲸鱼净方向比例超过此值才否决，推荐0.5" />
             <NumberInput value={form.whale_flow_pct} onChange={(v) => set("whale_flow_pct", v)} min={0} max={1} step={0.05} />
           </GateRow>
           <GateRow
@@ -408,7 +463,7 @@ export default function StrategyForm({ mode, initialData, strategyId, onSuccess,
             enabled={form.gate_obi_enabled}
             onToggle={() => set("gate_obi_enabled", !form.gate_obi_enabled)}
           >
-            <FieldLabel label="OBI 否决阈值" hint="0.1(宽松) ~ 0.9(严格)，默认0.35" />
+            <FieldLabel label="OBI 否决阈值" hint={`推荐：BTC=0.30(宽松), ETH=0.35, SOL=0.45(严格)（当前推荐${SYMBOL_RECOMMENDED[form.symbol]?.obi_threshold??0.35}）`} />
             <NumberInput value={form.obi_threshold} onChange={(v) => set("obi_threshold", v)} min={0.1} max={0.9} step={0.05} />
           </GateRow>
           <GateRow
@@ -417,7 +472,7 @@ export default function StrategyForm({ mode, initialData, strategyId, onSuccess,
             enabled={form.gate_spot_perp_enabled}
             onToggle={() => set("gate_spot_perp_enabled", !form.gate_spot_perp_enabled)}
           >
-            <FieldLabel label="溢价率阈值" hint="0.0005~0.01，溢价超过此值不开仓，默认0.005" />
+            <FieldLabel label="溢价率阈值" hint={`推荐：BTC=0.003, ETH=0.005, SOL=0.008（当前推荐${SYMBOL_RECOMMENDED[form.symbol]?.spot_perp_threshold??0.005}）`} />
             <NumberInput value={form.spot_perp_threshold} onChange={(v) => set("spot_perp_threshold", v)} min={0.0005} max={0.01} step={0.0005} />
           </GateRow>
         </div>