fix: stabilize rpg publish and launch

server-rs/crates/api-server/src/custom_world.rs

@@ -1626,39 +1626,20 @@ pub async fn execute_custom_world_agent_action(
             )
         })?
     } else if action == "publish_world" {
-        let mut publish_payload = serde_json::to_value(&payload).map_err(|error| {
+        let publish_payload = serialize_publish_world_action_payload(
+            resolve_author_public_user_code(&state, &authenticated, &request_context)?,
+            resolve_author_display_name(&state, &authenticated),
+        )
+        .map_err(|error| {
             custom_world_error_response(
                 &request_context,
                 AppError::from_status(StatusCode::BAD_REQUEST).with_details(json!({
                     "provider": "custom-world-agent",
-                    "message": format!("action payload JSON 序列化失败：{error}"),
+                    "message": error,
                 })),
             )
         })?;
-        if let Some(object) = publish_payload.as_object_mut() {
-            // 发布到广场时必须写入真实作者公开信息，避免 gallery 投影落成匿名兜底数据。
-            object.insert(
-                "authorPublicUserCode".to_string(),
-                Value::String(resolve_author_public_user_code(
-                    &state,
-                    &authenticated,
-                    &request_context,
-                )?),
-            );
-            object.insert(
-                "authorDisplayName".to_string(),
-                Value::String(resolve_author_display_name(&state, &authenticated)),
-            );
-        }
-        serde_json::to_string(&publish_payload).map_err(|error| {
-            custom_world_error_response(
-                &request_context,
-                AppError::from_status(StatusCode::BAD_REQUEST).with_details(json!({
-                    "provider": "custom-world-agent",
-                    "message": format!("action payload JSON 序列化失败：{error}"),
-                })),
-            )
-        })?
+        publish_payload
     } else {
         serde_json::to_string(&payload).map_err(|error| {
             custom_world_error_response(
@@ -1734,6 +1715,23 @@ fn serialize_sync_result_profile_action_payload(
         .map_err(|error| format!("action payload JSON 序列化失败：{error}"))
 }
 
+fn serialize_publish_world_action_payload(
+    author_public_user_code: String,
+    author_display_name: String,
+) -> Result<String, String> {
+    // 中文注释：发布动作只提交动作名和作者公开信息。
+    // 结果页当前 profile 必须先通过 sync_result_profile 写入 session；
+    // SpacetimeDB 发布时再从 session.draft_profile_json 读取草稿真相，避免前端
+    // draftProfile / legacyResultProfile / profile 旧载荷覆盖刚保存的内容。
+    let payload_value = json!({
+        "action": "publish_world",
+        "authorPublicUserCode": author_public_user_code,
+        "authorDisplayName": author_display_name,
+    });
+    serde_json::to_string(&payload_value)
+        .map_err(|error| format!("action payload JSON 序列化失败：{error}"))
+}
+
 fn canonicalize_custom_world_library_profile_payload(
     mut profile: Value,
 ) -> Result<(Value, CustomWorldProfileMetadata), String> {
@@ -3414,6 +3412,36 @@ mod tests {
         );
     }
 
+    #[test]
+    fn publish_world_payload_only_contains_action_and_author_identity() {
+        let payload_json =
+            serialize_publish_world_action_payload("TN-0001".to_string(), "潮汐作者".to_string())
+                .expect("publish payload serializes");
+        let payload_value: Value =
+            serde_json::from_str(&payload_json).expect("payload should be valid JSON");
+        let object = payload_value
+            .as_object()
+            .expect("publish payload should be object");
+
+        assert_eq!(object.len(), 3);
+        assert_eq!(
+            object.get("action").and_then(Value::as_str),
+            Some("publish_world")
+        );
+        assert_eq!(
+            object.get("authorPublicUserCode").and_then(Value::as_str),
+            Some("TN-0001")
+        );
+        assert_eq!(
+            object.get("authorDisplayName").and_then(Value::as_str),
+            Some("潮汐作者")
+        );
+        assert!(!object.contains_key("profile"));
+        assert!(!object.contains_key("draftProfile"));
+        assert!(!object.contains_key("legacyResultProfile"));
+        assert!(!object.contains_key("settingText"));
+    }
+
     #[test]
     fn custom_world_library_profile_payload_is_canonicalized_on_server() {
         let (profile, metadata) = canonicalize_custom_world_library_profile_payload(json!({