fix: 自定义服务保存时添加port字段，修复发现扫描排除失效

之前 quickAddService 保存自定义服务时遗漏了 port 字段，
导致 scanServices 的 exclude_ports 取不到有效端口值

routes_discovery.py

@@ -8,7 +8,7 @@ import os
 import re
 import json
 import subprocess
-from flask import jsonify
+from flask import jsonify, request
 from utils import log_message
 from config import PROJECTS_FILE
 
@@ -165,7 +165,7 @@ def register_discovery_routes(app):
     @app.route('/api/discovery/services')
     def api_discovery_services():
         """扫描本机未注册的新服务"""
-        # 1. 获取已知端口
+        # 1. 收集已知端口
         known_ports = set()
         try:
             with open(PROJECTS_FILE, 'r', encoding='utf-8') as f:
@@ -179,7 +179,16 @@ def register_discovery_routes(app):
         except:
             pass
         
-        # 2. 获取 Docker 容器端口
+        # 2. 前端传入的额外排除端口（自定义服务等）
+        exclude_str = request.args.get('exclude_ports', '')
+        if exclude_str:
+            try:
+                for p in exclude_str.split(','):
+                    known_ports.add(int(p.strip()))
+            except:
+                pass
+        
+        # 3. 获取 Docker 容器端口
         try:
             result = subprocess.run(
                 ['docker', 'ps', '--format', '{{.Ports}}'],

templates_full.txt

@@ -2238,6 +2238,7 @@
             const newService = {
                 id: 'custom_' + Date.now(),
                 name: name,
+                port: port || '',
                 url: mainUrl,
                 admin_url: adminUrl || null,
                 description: desc || '自定义外部服务',
@@ -2886,7 +2887,12 @@
             list.innerHTML = '<div class="text-gray-400 text-xs text-center py-2"><i class="ri-loader-4-line animate-spin"></i> 扫描中...</div>';
             
             try {
-                const res = await fetch('/api/discovery/services');
+                // 收集前端已注册的自定义服务端口，传给后端排除
+                const customServices = getCustomServices();
+                const customPorts = customServices.map(s => parseInt(s.port)).filter(p => !isNaN(p));
+                const excludeParam = customPorts.length > 0 ? `?exclude_ports=${customPorts.join(',')}` : '';
+                
+                const res = await fetch(`/api/discovery/services${excludeParam}`);
                 const data = await res.json();
                 const services = data.services || [];
                 document.getElementById('discoveryCount').textContent = `发现 ${services.length} 个`;