fix(postcard): remove auto option from status dropdown, auto-select silently by date

app/locales/en.json

@@ -122,7 +122,6 @@
   "pc_form.number": "Number",
   "pc_form.number_hint": "Format: AB-1234567",
   "pc_form.status": "Status",
-  "pc_form.status_auto": "Auto (based on date)",
   "pc_form.recipient": "Recipient",
   "pc_form.country": "Country",
   "pc_form.country_from": "From",

app/locales/zh.json

@@ -122,7 +122,6 @@
   "pc_form.number": "编号",
   "pc_form.number_hint": "格式：AB-1234567",
   "pc_form.status": "状态",
-  "pc_form.status_auto": "自动（根据日期）",
   "pc_form.recipient": "收件人",
   "pc_form.country": "国家/地区",
   "pc_form.country_from": "寄出地",

app/templates/postcard_form.html

@@ -37,16 +37,11 @@
     {% if is_new %}
     {# 新建寄出：状态默认由日期自动判定，可手动覆盖 #}
     <label>{{ 'pc_form.status'|t(user.language) }}</label>
-    <div style="display:flex;align-items:center;gap:.5rem">
-        <select name="status" id="status-select" onchange="onStatusChange()">
-            <option value="auto">{{ 'pc_form.status_auto'|t(user.language) }}</option>
+    <select name="status" id="status-select">
         <option value="pending">{{ 'status.pending'|t(user.language) }}</option>
         <option value="sent">{{ 'status.sent'|t(user.language) }}</option>
         <option value="delivered">{{ 'status.delivered'|t(user.language) }}</option>
     </select>
-        <span id="auto-status-hint" style="font-size:.8rem;color:var(--text-muted)"></span>
-    </div>
-    <input type="hidden" name="status" id="hidden-status" value="sent">
     {% else %}
     {# 编辑时：显示状态选择 #}
     <label>{{ 'pc_form.status'|t(user.language) }} *</label>
@@ -84,17 +79,17 @@
 </form>
 <script>
 {% if is_new and not is_received_form %}
-// ── 新建寄出：根据日期自动判定状态 ──
+// ── 新建寄出：根据日期自动判定状态，可手动覆盖 ──
 (function() {
     var sendTime = document.getElementById('input-send-time');
-    var hiddenStatus = document.getElementById('hidden-status');
     var select = document.getElementById('status-select');
-    var hint = document.getElementById('auto-status-hint');
     var arrival = document.getElementById('input-arrival');
     var labelArrival = document.getElementById('label-arrival');
     var today = new Date().toISOString().slice(0, 10);
     if (!sendTime.value) sendTime.value = today;
 
+    var userOverrode = false;
+
     function autoFromSendTime() {
         var v = sendTime.value;
         if (!v) return 'sent';
@@ -113,26 +108,16 @@
         }
     }
 
-    function syncHint() {
-        var sel = select.value;
-        if (sel === 'auto') {
+    function sync() {
         var auto = autoFromSendTime();
-            hiddenStatus.value = auto;
-            hint.textContent = '→ ' + (auto === 'pending' ? '{{ "status.pending"|t(user.language) }}' : '{{ "status.sent"|t(user.language) }}');
-            updateArrival(auto);
-        } else {
-            hiddenStatus.value = sel;
-            hint.textContent = '';
-            updateArrival(sel);
-        }
+        if (!userOverrode) select.value = auto;
+        updateArrival(select.value);
     }
 
-    // expose for inline onchange
-    window.onStatusChange = syncHint;
-
-    sendTime.addEventListener('change', syncHint);
-    sendTime.addEventListener('input', syncHint);
-    syncHint();
+    select.addEventListener('change', function() { userOverrode = true; updateArrival(select.value); });
+    sendTime.addEventListener('change', function() { if (!userOverrode) sync(); });
+    sendTime.addEventListener('input', function() { if (!userOverrode) sync(); });
+    sync();
 })();
 {% elif is_edit and not is_received_form %}
 // ── 编辑寄出：根据状态切换 arrival 可用性 ──