chore: 上线前优化 — 清理调试日志/启用组件按需注入/补全组件声明

- 移除全项目 34 处调试 console.* 输出
- project.config.json: minified true、uploadWithSourceMap false、启用 lazyCodeLoading(requiredComponents 组件按需注入)
- pages/records/records.json 补全 ui-skeleton 组件声明(此前漏声明,WXML 已使用)
- 删除根目录残留 preview-buttons.html

project.config.json

@@ -20,11 +20,11 @@
     "compileHotReLoad": false,
     "lazyloadPlaceholderEnable": false,
     "preloadBackgroundData": false,
-    "minified": false,
+    "minified": true,
     "autoAudits": false,
     "newFeature": false,
     "uglifyFileName": false,
-    "uploadWithSourceMap": true,
+    "uploadWithSourceMap": false,
     "useIsolateContext": true,
     "nodeModules": false,
     "enhance": true,
@@ -52,6 +52,7 @@
     "disableSWC": true
   },
   "compileType": "miniprogram",
+  "lazyCodeLoading": "requiredComponents",
   "cloudfunctionRoot": "cloudfunctions/",
   "libVersion": "3.3.4",
   "appid": "wxb7f1bc86924869bc",