feat(xinhan): enhance search with recipient filter

xinhan/index.html

@@ -24,9 +24,13 @@
     <div class="card">
       <h1>Xinhan 查询</h1>
       <div class="form-row">
+        <div>
+          <label>收件人</label><br />
+          <input id="recipientTerm" class="form-control" placeholder="收件人" />
+        </div>
         <div>
           <label>编号/关键词</label><br />
-          <input id="searchTerm" class="form-control" placeholder="收件人/内容搜索" />
+          <input id="searchTerm" class="form-control" placeholder="内容搜索" />
         </div>
         <div>
           <label>开始日期</label><br />
@@ -48,21 +52,20 @@
     const sb = supabase.createClient(SUPABASE_URL, SUPABASE_ANON_KEY);
 
     async function handleSearch(){
-      const term = document.getElementById('searchTerm').value.trim();
+      const recipientTerm = document.getElementById('recipientTerm').value.trim();
+      const contentTerm = document.getElementById('searchTerm').value.trim();
       const from = document.getElementById('dateFrom').value;
       const to = document.getElementById('dateTo').value;
       const out = document.getElementById('searchResults');
       out.innerHTML = '<div class="loading">正在查询...</div>';
 
       let q = sb.from('xinhan').select('*');
-      if (term) q = q.or(`recipient.ilike.%${term}%,content.ilike.%${term}%`);
+      if (recipientTerm) q = q.ilike('recipient', `%${recipientTerm}%`);
+      if (contentTerm) q = q.ilike('content', `%${contentTerm}%`);
       if (from) q = q.gte('sent_date', from);
       if (to) q = q.lte('sent_date', to);
       const { data, error } = await q.order('sent_date', { ascending: false });
-      if (error) {
-        out.innerHTML = `<div class="loading" style="color:red">查询失败：${error.message}</div>`;
-        return;
-      }
+      if (error){ out.innerHTML = `<div class="loading" style="color:red">查询失败：${error.message}</div>`; return; }
       renderResults(data || []);
     }