fix(tabs): stop fallback outside locked window

background/ip-proxy-core.js

@@ -35,10 +35,15 @@ function normalizeAutomationWindowId(value) {
   if (value === null || value === undefined || value === '') {
     return null;
   }
-  const numeric = Math.floor(Number(value));
+  const numeric = Number(value);
   return Number.isInteger(numeric) && numeric >= 0 ? numeric : null;
 }
 
+function buildAutomationWindowUnavailableError(error) {
+  const suffix = error?.message ? ` 原因：${error.message}` : '';
+  return new Error(`自动任务窗口已不可用，请在目标 Chrome 窗口重新打开侧边栏并启动任务。${suffix}`);
+}
+
 async function createAutomationScopedTab(createProperties = {}, options = {}) {
   const windowId = normalizeAutomationWindowId(
     options?.automationWindowId
@@ -55,8 +60,8 @@ async function createAutomationScopedTab(createProperties = {}, options = {}) {
       ...(createProperties || {}),
       windowId,
     });
-  } catch {
-    return chrome.tabs.create(createProperties || {});
+  } catch (error) {
+    throw buildAutomationWindowUnavailableError(error);
   }
 }
 
@@ -78,8 +83,8 @@ async function queryAutomationScopedTabs(queryInfo = {}, options = {}) {
   delete scopedQuery.currentWindow;
   try {
     return await chrome.tabs.query(scopedQuery);
-  } catch {
-    return chrome.tabs.query(queryInfo || {});
+  } catch (error) {
+    throw buildAutomationWindowUnavailableError(error);
   }
 }
 

background/message-router.js

@@ -214,7 +214,7 @@
       if (value === null || value === undefined || value === '') {
         return null;
       }
-      const numeric = Math.floor(Number(value));
+      const numeric = Number(value);
       return Number.isInteger(numeric) && numeric >= 0 ? numeric : null;
     }
 

background/tab-runtime.js

@@ -23,10 +23,15 @@
       if (value === null || value === undefined || value === '') {
         return null;
       }
-      const numeric = Math.floor(Number(value));
+      const numeric = Number(value);
       return Number.isInteger(numeric) && numeric >= 0 ? numeric : null;
     }
 
+    function buildAutomationWindowUnavailableError(error) {
+      const suffix = error?.message ? ` 原因：${error.message}` : '';
+      return new Error(`自动任务窗口已不可用，请在目标 Chrome 窗口重新打开侧边栏并启动任务。${suffix}`);
+    }
+
     async function getAutomationWindowId(options = {}) {
       const directWindowId = normalizeAutomationWindowId(
         options.automationWindowId ?? options.windowId ?? null
@@ -58,8 +63,7 @@
         return await chrome.tabs.query(scopedQuery);
       } catch (error) {
         if (Object.prototype.hasOwnProperty.call(scopedQuery, 'windowId')) {
-          await setState({ automationWindowId: null }).catch(() => {});
-          return chrome.tabs.query(queryInfo || {});
+          throw buildAutomationWindowUnavailableError(error);
         }
         throw error;
       }
@@ -76,8 +80,7 @@
         return await chrome.tabs.create(properties);
       } catch (error) {
         if (windowId !== null) {
-          await setState({ automationWindowId: null }).catch(() => {});
-          return chrome.tabs.create(createProperties || {});
+          throw buildAutomationWindowUnavailableError(error);
         }
         throw error;
       }