v1.2.0 — 心愿清单四象限

- 数据库 v3: priority → quadrant (重要紧急/重要不紧急/紧急不重要/不紧急不重要)
- 2×2 网格布局，每象限独立列表
- 跨象限拖拽：拖到不同象限自动更新分类
- 旧数据自动迁移：高→重要紧急, 中→重要不紧急, 低→不紧急不重要

templates/index.html

@@ -205,10 +205,11 @@
       <div class="wish-form" id="wish-form" style="display:none">
         <input type="text" id="wish-name" placeholder="心愿名称…" maxlength="50">
         <div class="wish-form-row">
-          <select id="wish-priority">
-            <option value="高">高优先</option>
-            <option value="中" selected>中优先</option>
-            <option value="低">低优先</option>
+          <select id="wish-quadrant">
+            <option value="重要紧急">重要紧急</option>
+            <option value="重要不紧急" selected>重要不紧急</option>
+            <option value="紧急不重要">紧急不重要</option>
+            <option value="不紧急不重要">不紧急不重要</option>
           </select>
           <input type="date" id="wish-deadline">
         </div>
@@ -217,14 +218,29 @@
           <button class="btn-wish-cancel" onclick="hideWishForm()">取消</button>
         </div>
       </div>
-      <button class="btn-add edit-only" id="wishes-add-btn" onclick="showWishForm()" style="margin-bottom:12px">
+      <button class="btn-add edit-only" id="wishes-add-btn" onclick="showWishForm()" style="margin-bottom:16px">
         <svg class="icon-sm"><use href="#icon-plus"/></svg> 新增心愿
       </button>
-      <!-- 列表 -->
-      <div class="wishes-grid" id="wishes-grid">
-        <div class="wishes-list" id="wishes-list"></div>
-        <div class="wishes-empty" id="wishes-empty">暂无心愿，点击上方按钮添加</div>
+      <!-- 四象限网格 -->
+      <div class="quad-grid">
+        <div class="quad-cell" data-quadrant="重要紧急" id="quad-重要紧急">
+          <div class="quad-title">重要 & 紧急</div>
+          <div class="quad-list" id="quad-list-重要紧急"></div>
+        </div>
+        <div class="quad-cell" data-quadrant="重要不紧急" id="quad-重要不紧急">
+          <div class="quad-title">重要 & 不紧急</div>
+          <div class="quad-list" id="quad-list-重要不紧急"></div>
+        </div>
+        <div class="quad-cell" data-quadrant="紧急不重要" id="quad-紧急不重要">
+          <div class="quad-title">紧急 & 不重要</div>
+          <div class="quad-list" id="quad-list-紧急不重要"></div>
+        </div>
+        <div class="quad-cell" data-quadrant="不紧急不重要" id="quad-不紧急不重要">
+          <div class="quad-title">不紧急 & 不重要</div>
+          <div class="quad-list" id="quad-list-不紧急不重要"></div>
+        </div>
       </div>
+      <div class="wishes-empty" id="wishes-empty" style="display:none">暂无心愿，点击上方按钮添加</div>
     </section>
 
   </main>