fix: improve trading and UI

web/src/components/TraderConfigModal.tsx

@@ -32,6 +32,7 @@ interface FormState {
   exchange_id: string
   strategy_id: string
   is_cross_margin: boolean
+  show_in_competition: boolean
   scan_interval_minutes: number
   initial_balance?: number
 }
@@ -62,6 +63,7 @@ export function TraderConfigModal({
     exchange_id: '',
     strategy_id: '',
     is_cross_margin: true,
+    show_in_competition: true,
     scan_interval_minutes: 3,
   })
   const [isSaving, setIsSaving] = useState(false)
@@ -109,6 +111,7 @@ export function TraderConfigModal({
         exchange_id: availableExchanges[0]?.id || '',
         strategy_id: '',
         is_cross_margin: true,
+        show_in_competition: true,
         scan_interval_minutes: 3,
       })
     }
@@ -162,6 +165,7 @@ export function TraderConfigModal({
         exchange_id: formData.exchange_id,
         strategy_id: formData.strategy_id || undefined,
         is_cross_margin: formData.is_cross_margin,
+        show_in_competition: formData.show_in_competition,
         scan_interval_minutes: formData.scan_interval_minutes,
       }
 
@@ -439,6 +443,40 @@ export function TraderConfigModal({
                 </div>
               </div>
 
+              {/* Competition visibility */}
+              <div>
+                <label className="text-sm text-[#EAECEF] block mb-2">
+                  竞技场显示
+                </label>
+                <div className="flex gap-2">
+                  <button
+                    type="button"
+                    onClick={() => handleInputChange('show_in_competition', true)}
+                    className={`flex-1 px-3 py-2 rounded text-sm ${
+                      formData.show_in_competition
+                        ? 'bg-[#F0B90B] text-black'
+                        : 'bg-[#0B0E11] text-[#848E9C] border border-[#2B3139]'
+                    }`}
+                  >
+                    显示
+                  </button>
+                  <button
+                    type="button"
+                    onClick={() => handleInputChange('show_in_competition', false)}
+                    className={`flex-1 px-3 py-2 rounded text-sm ${
+                      !formData.show_in_competition
+                        ? 'bg-[#F0B90B] text-black'
+                        : 'bg-[#0B0E11] text-[#848E9C] border border-[#2B3139]'
+                    }`}
+                  >
+                    隐藏
+                  </button>
+                </div>
+                <p className="text-xs text-[#848E9C] mt-1">
+                  隐藏后将不在竞技场页面显示此交易员
+                </p>
+              </div>
+
               {/* Initial Balance (Edit mode only) */}
               {isEditMode && (
                 <div>