feat(dramas): add play count field for drama records

1. 新增plays字段到DramaRecord接口和swagger/openapi文档
2. 在剧集创建时默认设置plays为0
3. 新增getPlayCountsByDramaIds方法聚合剧集播放量
4. 在后台和前台剧集列表中添加播放量数据
5. 更新测试用例适配新增的plays字段

docs/apifox-app-apis.openapi.json

@@ -91,13 +91,13 @@
     "/api/app/v1/dramas/presearch": {
       "get": {
         "tags": ["App Dramas"],
-        "summary": "关键字预查询视频列表",
-        "operationId": "presearchAppDramaVideos",
+        "summary": "短剧名称预查询",
+        "operationId": "presearchAppDramasByTitle",
         "parameters": [
           {
             "name": "keyword",
             "in": "query",
-            "description": "用户输入关键字；空值返回空列表",
+            "description": "短剧名称关键字；空值返回空列表",
             "required": false,
             "schema": {
               "type": "string"
@@ -119,7 +119,7 @@
                       "type": "object",
                       "properties": {
                         "data": {
-                          "$ref": "#/components/schemas/VideoPresearchPage"
+                          "$ref": "#/components/schemas/AppDramaPage"
                         }
                       }
                     }
@@ -407,7 +407,7 @@
       },
       "AppDrama": {
         "type": "object",
-        "required": ["id", "title", "coverUrl", "type", "tags", "status", "sortOrder", "isRecommended", "onlineVersion", "totalEpisodes", "publishedEpisodes", "createdAt", "updatedAt"],
+        "required": ["id", "title", "coverUrl", "type", "tags", "status", "sortOrder", "isRecommended", "onlineVersion", "totalEpisodes", "publishedEpisodes", "plays", "createdAt", "updatedAt"],
         "properties": {
           "id": { "type": "integer", "example": 1 },
           "tiktokAlbumId": { "type": "string", "nullable": true },
@@ -426,6 +426,7 @@
           "onlineVersion": { "type": "integer", "example": 1 },
           "totalEpisodes": { "type": "integer", "example": 20 },
           "publishedEpisodes": { "type": "integer", "example": 10 },
+          "plays": { "type": "integer", "example": 12345 },
           "createdAt": { "type": "string", "format": "date-time" },
           "updatedAt": { "type": "string", "format": "date-time" }
         }
@@ -500,36 +501,6 @@
           "pagination": { "$ref": "#/components/schemas/Pagination" }
         }
       },
-      "VideoPresearchItem": {
-        "type": "object",
-        "required": ["id", "dramaId", "episodeNo", "title", "coverUrl", "durationSeconds", "freeType", "price", "dramaTitle", "dramaCoverUrl"],
-        "properties": {
-          "id": { "type": "integer", "example": 1 },
-          "dramaId": { "type": "integer", "example": 1 },
-          "episodeNo": { "type": "integer", "example": 1 },
-          "title": { "type": "string", "example": "Pilot Video Match" },
-          "description": { "type": "string", "nullable": true },
-          "coverUrl": { "type": "string", "example": "https://cdn.example.com/episode.jpg" },
-          "durationSeconds": { "type": "integer", "example": 180 },
-          "byteplusVid": { "type": "string", "nullable": true },
-          "videoUrl": { "type": "string", "nullable": true },
-          "freeType": { "type": "string", "enum": ["free", "paid"], "example": "free" },
-          "price": { "type": "integer", "example": 0 },
-          "dramaTitle": { "type": "string", "example": "Skyline Keyword Saga" },
-          "dramaCoverUrl": { "type": "string", "example": "https://cdn.example.com/drama.jpg" }
-        }
-      },
-      "VideoPresearchPage": {
-        "type": "object",
-        "required": ["list", "pagination"],
-        "properties": {
-          "list": {
-            "type": "array",
-            "items": { "$ref": "#/components/schemas/VideoPresearchItem" }
-          },
-          "pagination": { "$ref": "#/components/schemas/Pagination" }
-        }
-      },
       "UpsertPlaybackHistoryRequest": {
         "type": "object",
         "required": ["episodeId", "progressSeconds"],