feat(cover): 短剧新增横版封面字段并在进度接口下发

- Drama/DramaSaveReqVO/DramaRespVO 新增 horizontalCover，打通后台上传链路
- AppDramaCardVO/AppDramaDetailVO 新增 coverLandscape
- ProgressRespVO 新增 dramaCoverLandscape，继续观看横幅可直接取横版图

docs/api-phase1.md

@@ -466,6 +466,7 @@ app.register.max-per-device-per-day
         "id": "Pengantin Pengganti: Kesayangan Presiden Direktur"
       },
       "dramaCover": "/files/drama_cover/12.jpg",
+      "dramaCoverLandscape": "/files/drama_cover/12-wide.jpg",
       "episodeNumber": 6,
       "totalEpisodes": 68,
       "viewCount": "1800",
@@ -488,7 +489,8 @@ app.register.max-per-device-per-day
 | --- | --- | --- |
 | `dramaTitle` | string / null | 短剧中文标题，旧客户端回退用 |
 | `titleLocales` | object / null | 短剧标题语言表，key 为 `zh` / `en` / `id`。客户端按当前语言取，没有对应语言时回退 `zh` |
-| `dramaCover` | string / null | 短剧封面 |
+| `dramaCover` | string / null | 短剧竖版封面 |
+| `dramaCoverLandscape` | string / null | 短剧横版封面，供继续观看横幅等横向位使用；为空时客户端回退 `dramaCover` |
 | `episodeNumber` | int / null | 当前续看集号 `ep_no` |
 | `totalEpisodes` | int / null | 短剧总集数 |
 | `viewCount` | Long（JSON 字符串）/ null | 短剧热度，取 `drama.view_count`。`playCount` 是用户自己的播放次数 |

fruitshorts-app-api/src/main/java/com/fruitshorts/app/service/AppCatalogService.java

@@ -206,6 +206,7 @@ public class AppCatalogService {
         detail.setTitleLocales(titles);
         detail.setSynopsisLocales(synopses);
         detail.setCover(drama.getCoverUrl());
+        detail.setCoverLandscape(drama.getHorizontalCoverUrl());
         detail.setTypes(types);
         fillDetailTag(detail, drama);
         detail.setTotalEpisodes(drama.getTotalEpisodes());
@@ -348,6 +349,7 @@ public class AppCatalogService {
                 drama.getSynopsisLocales(), drama.getSynopsis(), null, null);
         card.setTitleLocales(titles);
         card.setCover(drama.getCoverUrl());
+        card.setCoverLandscape(drama.getHorizontalCoverUrl());
         card.setSynopsisLocales(shortLocales(synopses));
         card.setTypes(types);
         fillTag(card, drama, tags);

fruitshorts-app-api/src/main/java/com/fruitshorts/app/vo/AppDramaCardVO.java

@@ -15,6 +15,8 @@ public class AppDramaCardVO {
     private Long id;
     private Map<String, String> titleLocales;
     private String cover;
+    /** 横版封面（16:9），横幅等横向位优先用它；空串表示未上传，客户端回退竖版。 */
+    private String coverLandscape;
     private Map<String, String> synopsisLocales;
     /** 短剧选中的全部类型，每项是一份语言表。 */
     private List<Map<String, String>> types;

fruitshorts-app-api/src/main/java/com/fruitshorts/app/vo/AppDramaDetailVO.java

@@ -14,6 +14,8 @@ public class AppDramaDetailVO {
     private Map<String, String> titleLocales;
     private Map<String, String> synopsisLocales;
     private String cover;
+    /** 横版封面（16:9）；空串表示未上传。 */
+    private String coverLandscape;
     private List<Map<String, String>> types;
     private Map<String, String> tagLocales;
     /** 标签语义码，如 NEW_ARRIVAL；空表示未配置。 */

fruitshorts-module-content/src/main/java/com/fruitshorts/content/service/DramaService.java

@@ -464,10 +464,13 @@ public class DramaService {
         if (isNew || req.getCover() != null) {
             drama.setCoverUrl(req.getCover() == null ? "" : req.getCover());
         }
+        if (isNew || req.getHorizontalCover() != null) {
+            drama.setHorizontalCoverUrl(
+                    req.getHorizontalCover() == null ? "" : req.getHorizontalCover());
+        }
         if (isNew || req.getTrailerUrl() != null) {
             drama.setTrailerUrl(req.getTrailerUrl() == null ? "" : req.getTrailerUrl());
         }
-        drama.setHorizontalCoverUrl(drama.getHorizontalCoverUrl() == null ? "" : drama.getHorizontalCoverUrl());
         if (isNew || req.getLanguage() != null) {
             drama.setLanguage(req.getLanguage() == null ? "zh-CN" : req.getLanguage());
         }
@@ -530,6 +533,7 @@ public class DramaService {
             vo.setSynopsisLocales(synopses);
             vo.setSubtitle(drama.getSubtitle());
             vo.setCover(drama.getCoverUrl());
+            vo.setHorizontalCover(drama.getHorizontalCoverUrl());
             vo.setTrailerUrl(drama.getTrailerUrl());
             vo.setLanguage(drama.getLanguage());
             vo.setDramaType(dramaTypes.get(0));

fruitshorts-module-content/src/main/java/com/fruitshorts/content/vo/DramaRespVO.java

@@ -27,6 +27,8 @@ public class DramaRespVO {
     private String description;
     private java.util.Map<String, String> synopsisLocales;
     private String cover;
+    /** 横版封面（16:9）。 */
+    private String horizontalCover;
     /** 整剧预告片地址 */
     private String trailerUrl;
     private String language;

fruitshorts-module-content/src/main/java/com/fruitshorts/content/vo/DramaSaveReqVO.java

@@ -26,6 +26,8 @@ public class DramaSaveReqVO {
     /** 勾选语言的简介。 */
     private java.util.Map<String, String> synopsisLocales;
     private String cover;
+    /** 横版封面（16:9），用于横幅等横向位；不传则保持原值。 */
+    private String horizontalCover;
     /** 整剧预告片地址（复用已有的 drama.trailer_url 列） */
     private String trailerUrl;
     private String language;

fruitshorts-module-playback/src/main/java/com/fruitshorts/playback/service/WatchProgressService.java

@@ -626,6 +626,7 @@ public class WatchProgressService {
                 vo.setTitleLocales(titles);
                 vo.setDramaTitle(ContentLocaleTexts.value(titles, ContentLocaleTexts.ZH));
                 vo.setDramaCover(drama.getCoverUrl());
+                vo.setDramaCoverLandscape(drama.getHorizontalCoverUrl());
                 vo.setTotalEpisodes(drama.getTotalEpisodes());
                 vo.setViewCount(drama.getViewCount());
             }

fruitshorts-module-playback/src/main/java/com/fruitshorts/playback/vo/ProgressRespVO.java

@@ -19,6 +19,8 @@ public class ProgressRespVO {
     private Map<String, String> titleLocales;
     /** 短剧封面，仅列表类接口批量装配。 */
     private String dramaCover;
+    /** 短剧横版封面，仅列表类接口批量装配；为空时客户端回退 dramaCover。 */
+    private String dramaCoverLandscape;
     /** 当前续看集号。 */
     private Integer episodeNumber;
     /** 短剧总集数；短剧不存在时为空。 */