feat: 上线前安全加固与发布工程化；appmall 由插件迁移为独立应用

安全（P0）
- 发布包签名：新增 scripts/package_keygen.php、scripts/package_verify.php、
  ywxapp\service\PackageVerifier；FrameworkService::apply() 解压前强制验签
  （ywxapp.framework_package_verify，默认开启）
- JWT 收紧：config/jwt.php 移除公开默认密钥，JwtService::assertStrongSecret()
  校验非空 / 长度≥32 / 已知弱值；.env.production.example 键名由 JWT_SECRET_KEY 修正为 JWT_SECRET
- /api/v1/Article：免登录白名单收窄为只读接口，写操作字段白名单 + assertOwner() 越权校验
- 开发者令牌：查找接口不再回显明文、统一失败文案 + 限流
- TemplateInstaller：文件名白名单 + realpath 归一化 + 目录内断言，修复 Zip Slip；补 use ZipArchive
- 后台登录：接入验证码、失败锁定与登录限流（config/ratelimit.php）
- 缓存 / Session 驱动可由 .env 覆盖（CACHE_DRIVER / SESSION_TYPE），集群部署改 redis
- paycenter 支付日志开关改为 PAY_LOG，不再跟随 APP_DEBUG

工程化 / 交付
- 新增 CHANGELOG.md 与 .env.production.example；composer.lock 入库锁定依赖版本
- 插件离线安装 CLI 增加 --uid，后台上传安装透传 uid，付费插件授权校验可通过
- 授权拒绝文案区分「未携带 uid」与「未找到有效授权」，便于排障
- .gitignore 放行 .env.production.example / .env.addon.example / .gitattributes / public/.htaccess

结构
- appmall 由 addon/appmall 迁移为独立应用 app/appmall（市场 / 开发者中心 / 审核 / 分润）

addon/forum/view/backend/board/add.html

@@ -36,13 +36,14 @@
   </div>
 </div>
 <script>
-layui.use(['form','jquery'], function(){
+layui.use(['form','jquery', 'http', 'ywxapp'], function(){
+  var http = layui.http;
   var form = layui.form, $ = layui.jquery;
   form.on('submit(save)', function(data){
-    $.post('/forum/backend/board/save', data.field, function(res){
+    http.post('/forum/backend/board/save', data.field).then(function(res){
       if (res.code === 0) { location.href = '/forum/backend/board'; }
       else { layer.msg(res.message); }
-    }, 'json');
+    });
     return false;
   });
 });

addon/forum/view/backend/board/edit.html

@@ -37,13 +37,14 @@
   </div>
 </div>
 <script>
-layui.use(['form','jquery'], function(){
+layui.use(['form','jquery', 'http', 'ywxapp'], function(){
+  var http = layui.http;
   var form = layui.form, $ = layui.jquery;
   form.on('submit(save)', function(data){
-    $.post('/forum/backend/board/update/{$row.id}', data.field, function(res){
+    http.post('/forum/backend/board/update/{$row.id}', data.field).then(function(res){
       if (res.code === 0) { location.href = '/forum/backend/board'; }
       else { layer.msg(res.message); }
-    }, 'json');
+    });
     return false;
   });
 });

addon/forum/view/backend/board/index.html

@@ -28,14 +28,15 @@
   </div>
 </div>
 <script>
-layui.use(['jquery'], function(){
+layui.use(['jquery', 'http', 'ywxapp'], function(){
+  var http = layui.http;
   var $ = layui.jquery;
   $('[data-del]').on('click', function(){
     var id = $(this).data('del');
     layer.confirm('确认删除？', function(){
-      $.post('/forum/backend/board/delete/'+id, {}, function(res){
+      http.post('/forum/backend/board/delete/'+id, {}).then(function(res){
         if (res.code === 0) { location.reload(); } else { layer.msg(res.message); }
-      }, 'json');
+      });
     });
   });
 });

addon/forum/view/backend/editor/index.html

@@ -83,19 +83,20 @@
   </div>
 </div>
 <script>
-layui.use(['form', 'jquery', 'layer'], function(){
+layui.use(['form', 'jquery', 'layer', 'http', 'ywxapp'], function(){
+  var http = layui.http;
   var form = layui.form, $ = layui.jquery, layer = layui.layer;
   form.on('submit(saveEditor)', function(data){
     // 开关未勾选时浏览器不提交该字段，这里补齐
     if (!data.field.editor_catch_image) { data.field.editor_catch_image = 0; }
-    $.post('/forum/backend/editor/save', data.field, function(res){
+    http.post('/forum/backend/editor/save', data.field).then(function(res){
       if (res.code === 0) {
         layer.msg('保存成功', {icon:1});
         setTimeout(function(){ location.reload(); }, 800);
       } else {
         layer.msg(res.message || '保存失败');
       }
-    }, 'json');
+    });
     return false;
   });
 });

addon/forum/view/backend/reply/index.html

@@ -30,7 +30,8 @@
 </script>
 
 <script>
-layui.use(['table', 'jquery', 'layer', 'form'], function () {
+layui.use(['table', 'jquery', 'layer', 'form', 'http', 'ywxapp'], function () {
+  var http = layui.http;
   var table = layui.table, $ = layui.jquery, layer = layui.layer, form = layui.form;
 
   var dataTable = table.render({
@@ -70,14 +71,14 @@ layui.use(['table', 'jquery', 'layer', 'form'], function () {
     if (obj.event === 'delete') {
       layer.confirm('确认删除？', function (index) {
         layer.close(index);
-        $.post('delete', { id: data.id }, function (res) {
+        http.post('delete', { id: data.id }).then(function (res) {
           if (res.code === 0) {
             layer.msg('删除成功', { icon: 1 });
             dataTable.reload();
           } else {
             layer.msg(res.message || '删除失败');
           }
-        }, 'json');
+        });
       });
     }
   });

addon/forum/view/backend/tag/index.html

@@ -20,21 +20,22 @@
   </div>
 </div>
 <script>
-layui.use(['jquery','layer'], function(){
+layui.use(['jquery','layer', 'http', 'ywxapp'], function(){
+  var http = layui.http;
   var $ = layui.jquery, layer = layui.layer;
   $('#addTag').on('click', function(){
     layer.prompt({title:'输入标签名称'}, function(val, index){
-      $.post('/forum/backend/tag/save', {name:val}, function(res){
+      http.post('/forum/backend/tag/save', {name:val}).then(function(res){
         if (res.code === 0) { location.reload(); } else { layer.msg(res.message); }
-      }, 'json');
+      });
     });
   });
   $('[data-del]').on('click', function(){
     var id = $(this).data('del');
     layer.confirm('确认删除？', function(){
-      $.post('/forum/backend/tag/delete/'+id, {}, function(res){
+      http.post('/forum/backend/tag/delete/'+id, {}).then(function(res){
         if (res.code === 0) { location.reload(); } else { layer.msg(res.message); }
-      }, 'json');
+      });
     });
   });
 });

addon/forum/view/backend/topic/edit.html

@@ -59,13 +59,14 @@
   </div>
 </div>
 <script>
-layui.use(['form','jquery'], function(){
+layui.use(['form','jquery', 'http', 'ywxapp'], function(){
+  var http = layui.http;
   var form = layui.form, $ = layui.jquery;
   form.on('submit(save)', function(data){
-    $.post('/forum/backend/topic/update/{$row.id}', data.field, function(res){
+    http.post('/forum/backend/topic/update/{$row.id}', data.field).then(function(res){
       if (res.code === 0) { location.href = '/forum/backend/topic'; }
       else { layer.msg(res.message); }
-    }, 'json');
+    });
     return false;
   });
 });

addon/forum/view/backend/topic/index.html

@@ -35,7 +35,8 @@
   </div>
 </div>
 <script>
-layui.use(['jquery','laypage'], function(){
+layui.use(['jquery','laypage', 'http', 'ywxapp'], function(){
+  var http = layui.http;
   var $ = layui.jquery, laypage = layui.laypage;
   laypage.render({ elem:'pager', count:{$list.total}, limit:20,
     curr:{$list.currentPage}, jump:function(obj,first){
@@ -44,25 +45,25 @@ layui.use(['jquery','laypage'], function(){
   $('[data-del]').on('click', function(){
     var id = $(this).data('del');
     layer.confirm('确认删除？', function(){
-      $.post('/forum/backend/topic/audit/'+id+'?act=del', {}, function(res){}, 'json');
-      $.post('/forum/backend/topic/delete/'+id, {}, function(res){
+      http.post('/forum/backend/topic/audit/'+id+'?act=del', {}).then(function(res){});
+      http.post('/forum/backend/topic/delete/'+id, {}).then(function(res){
         if (res.code === 0) { location.reload(); } else { layer.msg(res.message); }
-      }, 'json');
+      });
     });
   });
   $('[data-audit]').on('click', function(){
     var id = $(this).data('audit');
-    $.post('/forum/backend/topic/audit/'+id, {}, function(res){
+    http.post('/forum/backend/topic/audit/'+id, {}).then(function(res){
       if (res.code === 0) { location.reload(); } else { layer.msg(res.message); }
-    }, 'json');
+    });
   });
   $('[data-reject]').on('click', function(){
     var id = $(this).data('reject');
     layer.prompt({title:'驳回理由', formType:2}, function(val, index){
-      $.post('/forum/backend/topic/reject/'+id, {reason:val}, function(res){
+      http.post('/forum/backend/topic/reject/'+id, {reason:val}).then(function(res){
         layer.close(index);
         if (res.code === 0) { location.reload(); } else { layer.msg(res.message); }
-      }, 'json');
+      });
     });
   });
 });