1

src/services/customWorldAgentUiState.ts

@@ -115,18 +115,38 @@ export function readCustomWorldAgentUiState(
       params.get(CUSTOM_WORLD_GENERATION_SOURCE_QUERY_KEY),
     ),
   };
+  const storedValue = resolved.sessionStorage?.getItem(
+    CUSTOM_WORLD_AGENT_UI_STATE_STORAGE_KEY,
+  );
 
   if (
     stateFromQuery.activeSessionId ||
     stateFromQuery.activeOperationId ||
     stateFromQuery.customWorldGenerationSource
   ) {
-    return stateFromQuery;
+    let storedOwnerUserId: string | null = null;
+    if (storedValue) {
+      try {
+        const parsed = JSON.parse(storedValue) as CustomWorldAgentUiState;
+        const storedSessionId = normalizeValue(parsed.activeSessionId);
+        if (
+          storedSessionId &&
+          storedSessionId === stateFromQuery.activeSessionId
+        ) {
+          storedOwnerUserId = normalizeValue(parsed.ownerUserId);
+        }
+      } catch {
+        resolved.sessionStorage?.removeItem(CUSTOM_WORLD_AGENT_UI_STATE_STORAGE_KEY);
+      }
+    }
+
+    return {
+      ...stateFromQuery,
+      // URL 只承载可分享的 session 指针，用户归属仍仅来自本机 sessionStorage。
+      ...(storedOwnerUserId ? { ownerUserId: storedOwnerUserId } : {}),
+    };
   }
 
-  const storedValue = resolved.sessionStorage?.getItem(
-    CUSTOM_WORLD_AGENT_UI_STATE_STORAGE_KEY,
-  );
   if (!storedValue) {
     return {};
   }