refactor(游戏分发领域): 删除无调用方的 PublishVersionInput

- 该命令结构体只在定义与 lib 再导出出现，spacetime-module 用的是自己的 GameDistributionPublishVersionInput
- 按「无现役调用方的退役对象直接清理」删除结构体、文档注释与再导出

server-rs/crates/module-game-distribution/src/commands.rs

@@ -45,30 +45,6 @@ pub struct CreateVersionInput {
     pub created_at_micros: i64,
 }
 
-/// 统一发布命令：作品 get-or-create + 建版本 + 自然幂等键收据。
-///
-/// `game_id` 与 `project_key` 至少一个非空：更新既有作品带 `game_id`，首次发布带
-/// `project_key`。幂等键由 `(owner, project_key | game_id, version_number)` 派生，
-/// 调用方只提供 `request_digest`。
-#[derive(Clone, Debug, PartialEq, Eq, Serialize, Deserialize)]
-pub struct PublishVersionInput {
-    #[serde(default, skip_serializing_if = "Option::is_none")]
-    pub game_id: Option<String>,
-    #[serde(default, skip_serializing_if = "Option::is_none")]
-    pub project_key: Option<String>,
-    pub owner_user_id: String,
-    pub version_id: String,
-    pub version_number: u64,
-    #[serde(default)]
-    pub price_mud_points: u64,
-    pub package_sha256: String,
-    pub package_bytes: u64,
-    /// 版本冻结资料的规范化 JSON。
-    pub metadata_json: String,
-    pub request_digest: String,
-    pub created_at_micros: i64,
-}
-
 #[derive(Clone, Debug, PartialEq, Eq, Serialize, Deserialize)]
 pub struct PurchaseGameInput {
     pub game_id: String,

server-rs/crates/module-game-distribution/src/lib.rs

@@ -19,8 +19,7 @@ pub use application::{
     PublicationOperationResult, PurchaseOperationResult,
 };
 pub use commands::{
-    CreateGameInput, CreateVersionInput, IdempotencyRequest, PublishVersionInput, PurchaseGameInput,
-    ReviewDecision,
+    CreateGameInput, CreateVersionInput, IdempotencyRequest, PurchaseGameInput, ReviewDecision,
 };
 pub use domain::{
     GAME_PURCHASE_ID_PREFIX, GameDistributionAction, GamePurchaseDecision, GamePurchaseSnapshot,