feat(timer): 循环训练组进度改为圆环分段弧 + 信息气泡三行合一

- progress-ring 新增 sets/currentSet/resting/successColor 属性,
  圆环外圈绘制分段弧(已完成=主色/当前=呼吸光点/休息下一组=绿),单组模式零渲染
- timer 删除顶部 circuit-bar 进度面板,布局骨架三模式统一
- 呼吸环淡化(描边 0.55→0.20,柔光渐变强度减半)
- 目标卡与提示气泡合并为 info-bubble,状态文案(撑住/休息中/已暂停)并入气泡顶部

project.config.json

@@ -23,7 +23,7 @@
     "minified": true,
     "autoAudits": false,
     "newFeature": false,
-    "uglifyFileName": false,
+    "uglifyFileName": true,
     "uploadWithSourceMap": false,
     "useIsolateContext": true,
     "nodeModules": false,
@@ -49,7 +49,8 @@
     "disableUseStrict": false,
     "useCompilerPlugins": false,
     "swc": false,
-    "disableSWC": true
+    "disableSWC": true,
+    "ignoreUploadUnusedFiles": true
   },
   "compileType": "miniprogram",
   "lazyCodeLoading": "requiredComponents",