Integrate unfinished server-rs refactor worklists

server-rs/crates/module-puzzle/src/events.rs

@@ -1,3 +1,27 @@
 //! 拼图领域事件过渡落位。
 //!
 //! 用于表达草稿变化、作品发布、运行态推进和排行榜候选产生等事实。
+
+/// 拼图领域事件。
+///
+/// 事件只描述已经发生的领域事实，持久化、订阅投影和 HTTP/SSE 通知
+/// 均由 SpacetimeDB adapter 或 BFF 决定。
+#[derive(Clone, Debug, PartialEq, Eq)]
+pub enum PuzzleDomainEvent {
+    DraftChanged {
+        session_id: String,
+        owner_user_id: String,
+        occurred_at_micros: i64,
+    },
+    WorkPublished {
+        profile_id: String,
+        owner_user_id: String,
+        occurred_at_micros: i64,
+    },
+    RunAdvanced {
+        run_id: String,
+        owner_user_id: String,
+        level_index: u32,
+        occurred_at_micros: i64,
+    },
+}