refactor: 训练模块整体迁入分包,减小主包体积

主包超出 2MB 上限无法上传发布版,把训练相关全部移到独立分包。

目录调整:
- pages/training/* → training/pages/*
- hooks/use{Metronome,VoiceCoach,TrainingSession,TrainingBgm}.ts
  → training/hooks/*
- static/training/* → training/static/*
- 主包 hooks/ 目录已清空,所有 use* 都被分包独占

引用路径更新:
- 分包内 hook import 用相对路径 ../hooks/xxx,不依赖 @/ alias
- 资源路径 /static/training/audio/click.mp3
  → /training/static/audio/click.mp3
- useMetronome 默认 clickSrc / useVoiceCoach VOICE_BASE
  / useTrainingBgm BGM_BASE 全部对齐新路径

pages.json:
- 主包 pages 移除 training/index 和 training/metronome
- subPackages 新增 root="training",含 pages/index 和 pages/metronome
- 跟现有 TUIKit / doctor 分包风格一致

调用方:
- components/dev-training-entry navigateTo URL 更新成
  /training/pages/metronome (此组件留在主包,主包跳分包是合法操作)

文档/工具同步:
- training/static/README.md 路径示例改为 training/static/...
- scripts/generate-voice.mjs VOICE_DIR 与提示输出对齐新路径

Git mv 检测到的全是 rename(R),历史完整保留。
分包总体 80K(pages 44K + hooks 20K + static 16K),主包瘦身明显。

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

TUICallKit-Vue3/pages.json

@@ -69,22 +69,6 @@
 			"style": {
 				"navigationBarTitleText": "付款"
 			}
-		},
-		{
-			"path": "pages/training/index",
-			"style": {
-				"navigationBarTitleText": "练一练"
-			}
-		},
-		{
-			"path": "pages/training/metronome",
-			"style": {
-				"navigationBarTitleText": "节拍器",
-				"navigationBarBackgroundColor": "#f8fafc",
-				"navigationBarTextStyle": "black",
-				"backgroundColor": "#f8fafc",
-				"disableScroll": true
-			}
 		}
 	],
 	"subPackages": [
@@ -121,6 +105,27 @@
 					}
 				}
 			]
+		},
+		{
+			"root": "training",
+			"pages": [
+				{
+					"path": "pages/index",
+					"style": {
+						"navigationBarTitleText": "练一练"
+					}
+				},
+				{
+					"path": "pages/metronome",
+					"style": {
+						"navigationBarTitleText": "节拍器",
+						"navigationBarBackgroundColor": "#f8fafc",
+						"navigationBarTextStyle": "black",
+						"backgroundColor": "#f8fafc",
+						"disableScroll": true
+					}
+				}
+			]
 		}
 	],
 	"tabBar": {