feat: 男性发型追加波浪形(wave=7)

接口2/5 male hair_style 增至 1..7，贴图 man_wave.png 纳入四套纹理目录，同步测试页与接口文档。

Co-authored-by: Cursor <cursoragent@cursor.com>

static/test_interface5.html

@@ -101,7 +101,7 @@
         <div class="file-input"><input type="file" id="imageFile" accept="image/jpeg,image/png,.jpg,.jpeg,.png"></div>
         <div class="form-group">
           <label>性别</label>
-          <select id="gender" onchange="onGenderChange()"><option value="female" selected>👩 Female（7种）</option><option value="male">👨 Male（6种）</option></select>
+          <select id="gender" onchange="onGenderChange()"><option value="female" selected>👩 Female（7种）</option><option value="male">👨 Male（7种）</option></select>
         </div>
         <div class="form-group" style="align-items:flex-start">
           <label style="padding-top:3px">发型 *</label>
@@ -122,7 +122,7 @@
         <button class="btn btn-primary" id="submitBtn" onclick="submitTest()">🚀 提交</button>
         <button class="btn btn-outline btn-sm" onclick="clearResults()">清除</button>
       </div>
-      <div class="hint">JPG/PNG 正面照 &nbsp;|&nbsp; Female: 椭圆/花瓣/心形/直线/波浪 &nbsp;|&nbsp; Male: 椭圆/倒弧/M形/直线 &nbsp;|&nbsp; 每个发型返回 middle/high/low 三档 + 生发图</div>
+      <div class="hint">JPG/PNG 正面照 &nbsp;|&nbsp; Female: 椭圆/花瓣/心形/直线/波浪/大花瓣/古典花瓣 &nbsp;|&nbsp; Male: 椭圆/倒弧/M形/直线/桃心/柔和花瓣/波浪 &nbsp;|&nbsp; 每个发型返回 middle/high/low 三档 + 生发图</div>
       <div id="statusBar" class="status hidden"></div>
     </div>
   </div>
@@ -184,6 +184,7 @@ const HAIR_STYLES = {
     { value:'4', label:'4. straight 直线' },
     { value:'5', label:'5. heart 桃心形' },
     { value:'6', label:'6. Softpetal 柔和花瓣形' },
+    { value:'7', label:'7. wave 波浪形' },
   ]
 };