修复URL推测功能：支持不完整URL输入并保持验证

- 修复inferWebsiteUrl函数，支持无协议URL的推测
- 在API地址失焦时自动补全https://协议
- 同时更新API地址和网站地址字段
- 保持URL输入验证，确保API地址有效性
- 提升用户体验：用户可输入api.example.com等简化格式

src/renderer/components/AddProviderModal.tsx

@@ -43,6 +43,24 @@ const AddProviderModal: React.FC<AddProviderModalProps> = ({ onAdd, onClose }) =
     setFormData(newFormData)
   }
 
+  const handleApiUrlBlur = (e: React.FocusEvent<HTMLInputElement>) => {
+    const apiUrl = e.target.value.trim()
+    if (apiUrl) {
+      let normalizedApiUrl = apiUrl
+      
+      // 如果没有协议，添加 https://
+      if (!normalizedApiUrl.match(/^https?:\/\//)) {
+        normalizedApiUrl = 'https://' + normalizedApiUrl
+      }
+      
+      setFormData(prev => ({
+        ...prev,
+        apiUrl: normalizedApiUrl,
+        websiteUrl: inferWebsiteUrl(normalizedApiUrl)
+      }))
+    }
+  }
+
   // 预设的供应商配置
   const presets = [
     {
@@ -109,6 +127,7 @@ const AddProviderModal: React.FC<AddProviderModalProps> = ({ onAdd, onClose }) =
               name="apiUrl"
               value={formData.apiUrl}
               onChange={handleChange}
+              onBlur={handleApiUrlBlur}
               placeholder="https://api.anthropic.com"
               required
             />
@@ -117,7 +136,7 @@ const AddProviderModal: React.FC<AddProviderModalProps> = ({ onAdd, onClose }) =
           <div className="form-group">
             <label htmlFor="websiteUrl">网站地址</label>
             <input
-              type="url"
+              type="text"
               id="websiteUrl"
               name="websiteUrl"
               value={formData.websiteUrl}

src/renderer/components/EditProviderModal.tsx

@@ -56,6 +56,24 @@ const EditProviderModal: React.FC<EditProviderModalProps> = ({ provider, onSave,
     setFormData(newFormData)
   }
 
+  const handleApiUrlBlur = (e: React.FocusEvent<HTMLInputElement>) => {
+    const apiUrl = e.target.value.trim()
+    if (apiUrl) {
+      let normalizedApiUrl = apiUrl
+      
+      // 如果没有协议，添加 https://
+      if (!normalizedApiUrl.match(/^https?:\/\//)) {
+        normalizedApiUrl = 'https://' + normalizedApiUrl
+      }
+      
+      setFormData(prev => ({
+        ...prev,
+        apiUrl: normalizedApiUrl,
+        websiteUrl: inferWebsiteUrl(normalizedApiUrl)
+      }))
+    }
+  }
+
   return (
     <div className="modal-overlay" onClick={onClose}>
       <div className="modal-content" onClick={(e) => e.stopPropagation()}>
@@ -84,6 +102,7 @@ const EditProviderModal: React.FC<EditProviderModalProps> = ({ provider, onSave,
               name="apiUrl"
               value={formData.apiUrl || ''}
               onChange={handleChange}
+              onBlur={handleApiUrlBlur}
               placeholder="https://api.anthropic.com"
               required
               autoComplete="off"
@@ -93,7 +112,7 @@ const EditProviderModal: React.FC<EditProviderModalProps> = ({ provider, onSave,
           <div className="form-group">
             <label htmlFor="websiteUrl">网站地址</label>
             <input
-              type="url"
+              type="text"
               id="websiteUrl"
               name="websiteUrl"
               value={formData.websiteUrl || ''}

src/shared/utils.ts

@@ -8,8 +8,15 @@ export function inferWebsiteUrl(apiUrl: string): string {
     return ''
   }
 
+  let urlString = apiUrl.trim()
+  
+  // 如果没有协议，默认添加 https://
+  if (!urlString.match(/^https?:\/\//)) {
+    urlString = 'https://' + urlString
+  }
+
   try {
-    const url = new URL(apiUrl.trim())
+    const url = new URL(urlString)
     
     // 如果是localhost或IP地址，去掉路径部分
     if (url.hostname === 'localhost' || /^\d+\.\d+\.\d+\.\d+$/.test(url.hostname)) {