合并 origin/master

合入 master 的钱包退款 outbox、拼图后台编译互斥与公开链路更新

保留当前分支外部生成 worker 队列语义，并对齐拼图首图 claim 释放顺序

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

@@ -71,6 +71,25 @@ pub struct PuzzleDraftCompileInput {
     pub external_generation_lease_token: Option<String>,
 }
 
+#[cfg_attr(feature = "spacetime-types", derive(SpacetimeType))]
+#[derive(Clone, Debug, PartialEq, Eq, Serialize, Deserialize)]
+pub struct PuzzleBackgroundCompileTaskClaimInput {
+    pub task_id: String,
+    pub claim_id: String,
+    pub session_id: String,
+    pub owner_user_id: String,
+    pub claimed_at_micros: i64,
+}
+
+#[cfg_attr(feature = "spacetime-types", derive(SpacetimeType))]
+#[derive(Clone, Debug, PartialEq, Eq, Serialize, Deserialize)]
+pub struct PuzzleBackgroundCompileTaskReleaseInput {
+    pub task_id: String,
+    pub claim_id: String,
+    pub session_id: String,
+    pub owner_user_id: String,
+}
+
 #[cfg_attr(feature = "spacetime-types", derive(SpacetimeType))]
 #[derive(Clone, Debug, PartialEq, Eq, Serialize, Deserialize)]
 pub struct PuzzleDraftCompileFailureInput {