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/discover/discover_logic.dart

@@ -0,0 +1,32 @@
+import 'package:flutter/material.dart';
+
+import '../../core/data/models/drama.dart';
+import '../../core/data/repositories/watch_history_repository.dart';
+
+class DiscoverLogic {
+  DiscoverLogic({required this.history, required this.drama}) {
+    refreshPosition();
+  }
+
+  final WatchHistoryRepository history;
+  Drama drama;
+  late Future<Duration?> position;
+  final TextEditingController search = TextEditingController();
+  final FocusNode searchFocus = FocusNode();
+  final ScrollController scroll = ScrollController();
+  int category = 0;
+
+  void refreshPosition() {
+    position = history.positionFor(
+      demoProfileId,
+      drama.id,
+      drama.episodes.first.id,
+    );
+  }
+
+  void dispose() {
+    search.dispose();
+    searchFocus.dispose();
+    scroll.dispose();
+  }
+}