提交 Nontonki 短剧原型，准备推送到远程仓库。

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

lib/pages/mine/mine_logic.dart

@@ -0,0 +1,26 @@
+import '../../core/data/models/drama.dart';
+import '../../core/data/repositories/watch_history_repository.dart';
+
+class MineLogic {
+  MineLogic({
+    required this.history,
+    required this.drama,
+    required int initialSection,
+  }) : section = initialSection {
+    refreshPosition();
+  }
+
+  final WatchHistoryRepository history;
+  Drama drama;
+  late Future<Duration?> position;
+  int section;
+  int filter = 0;
+
+  void refreshPosition() {
+    position = history.positionFor(
+      demoProfileId,
+      drama.id,
+      drama.episodes.first.id,
+    );
+  }
+}