feat(sdk): 新增咪咕/千千/JOOX/哔哩哔哩/5sing/Apple Music 六平台

平台注册表由 9 个扩到 15 个，同时补齐 sdk/types.ts 的类型与
OpenAPI 文档里的能力位声明。

- migu：命中 Z3D/I3D 加密候选时不返回直链，改由服务端解密代理出流，
  SDK 侧只负责登记票据，避免客户端拿到无法播放的密文
- apple：只提供 preview 试听片段（完整曲为 DRM），标 noAggregate
  排除在跨平台精确匹配之外，防止用它顶掉其它平台的可播结果
- 其余平台按既有 PlatformModule 约定实现搜索/专辑/歌单/歌词

为什么合并成一次提交：六平台共用同一份注册表与能力位声明，
拆开会产生互相引用、单独无法通过类型检查的中间态。

src/openapi/components.ts

@@ -272,6 +272,12 @@ export const COMPONENT_SCHEMAS = {
           songList: { type: 'boolean' },
           singer: { type: 'boolean', description: '支持歌手接口（/singer/:source/:id）' },
           album: { type: 'boolean', description: '支持专辑接口（/album/:source/:id）' },
+          albumSearch: { type: 'boolean', description: '支持专辑搜索（/album/:source/search/:keyword）' },
+          playlist: { type: 'boolean', description: '支持歌单详情（/playlist/:source/:id）' },
+          playlistSearch: { type: 'boolean', description: '支持歌单搜索' },
+          playlistCategories: { type: 'boolean', description: '支持歌单分类' },
+          parse: { type: 'boolean', description: '支持链接解析（/parse/:source）' },
+          userPlaylist: { type: 'boolean', description: '支持个人歌单（/user-playlist/:source）' },
         },
         additionalProperties: true,
       },
@@ -285,6 +291,87 @@ export const COMPONENT_SCHEMAS = {
     },
     additionalProperties: true,
   },
+  PlaylistSummary: {
+    type: 'object',
+    properties: {
+      id: { type: 'string', description: '歌单/专辑 id' },
+      name: { type: 'string' },
+      cover: { type: 'string' },
+      trackCount: { type: 'integer' },
+      playCount: { type: 'integer' },
+      creator: { type: 'string' },
+      description: { type: 'string' },
+      link: { type: 'string' },
+      source: { type: 'string' },
+    },
+    additionalProperties: true,
+  },
+  PlaylistSearchResult: {
+    type: 'object',
+    properties: {
+      list: { type: 'array', items: ref('PlaylistSummary') },
+      total: { type: 'integer' },
+      page: { type: 'integer' },
+      limit: { type: 'integer' },
+      source: { type: 'string' },
+    },
+    additionalProperties: true,
+  },
+  PlaylistDetailResult: {
+    type: 'object',
+    properties: {
+      source: { type: 'string' },
+      info: ref('AlbumInfo'),
+      list: { type: 'array', items: ref('SongItem') },
+      page: { type: 'integer' },
+      limit: { type: ['integer', 'string', 'null'] },
+      total: { type: ['integer', 'string', 'null'] },
+    },
+    additionalProperties: true,
+  },
+  PlaylistCategoriesResult: {
+    type: 'object',
+    properties: {
+      source: { type: 'string' },
+      list: {
+        type: 'array',
+        items: {
+          type: 'object',
+          properties: {
+            id: { type: 'string' },
+            name: { type: 'string' },
+            group: { type: 'string' },
+            hot: { type: 'boolean' },
+          },
+          additionalProperties: true,
+        },
+      },
+    },
+    additionalProperties: true,
+  },
+  ParseResult: {
+    type: 'object',
+    properties: {
+      source: { type: 'string' },
+      type: { type: 'string', description: '解析类型：song / album / playlist' },
+      song: ref('SongItem'),
+      playlist: ref('PlaylistSummary'),
+      list: { type: 'array', items: ref('SongItem'), description: 'album/playlist 解析时的曲目' },
+      total: { type: 'integer' },
+    },
+    additionalProperties: true,
+  },
+  UserPlaylistResult: {
+    type: 'object',
+    properties: {
+      list: { type: 'array', items: ref('PlaylistSummary') },
+      page: { type: 'integer' },
+      limit: { type: 'integer' },
+      total: { type: 'integer' },
+      source: { type: 'string' },
+    },
+    additionalProperties: true,
+  },
   HealthResult: {
     type: 'object',
     properties: {