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;
       }

sidepanel/sidepanel.js

@@ -1155,7 +1155,7 @@ 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;
 }
 

tests/background-ip-proxy-core.test.js

@@ -44,6 +44,8 @@ ${coreSource}
 return {
   applyExitRegionExpectation,
   buildIpProxyPacScript,
+  chrome,
+  createAutomationScopedTab,
   buildIpProxyRoutingStatePatch,
   applyTargetReachabilityExpectation,
   getAccountModeProxyPoolFromState,
@@ -51,6 +53,7 @@ return {
   normalizeProxyPoolEntries,
   parseProxyExitProbePayload,
   parseIpProxyLine,
+  queryAutomationScopedTabs,
   resolveExitProbeEndpoints,
   resolveIpProxyAutoSwitchThreshold,
   resolveTargetReachabilityEndpoints,
@@ -135,6 +138,46 @@ test('IP proxy routing state patch keeps exit probe endpoint for diagnostics', (
   assert.equal(patch.ipProxyAppliedExitEndpoint, 'https://ipinfo.io/json');
 });
 
+test('IP proxy page probes do not fall back to other windows when the locked window is unavailable', async () => {
+  const api = loadIpProxyCore();
+  const created = [];
+  const queries = [];
+  api.chrome.tabs = {
+    create: async (payload) => {
+      created.push(payload);
+      if (payload.windowId === 77) {
+        throw new Error('No window with id: 77');
+      }
+      return { id: 12, windowId: payload.windowId, url: payload.url };
+    },
+    query: async (queryInfo) => {
+      queries.push(queryInfo);
+      if (queryInfo.windowId === 77) {
+        throw new Error('No window with id: 77');
+      }
+      return [{ id: 99, windowId: 1, url: 'https://ipinfo.io/json' }];
+    },
+  };
+
+  await assert.rejects(
+    () => api.createAutomationScopedTab(
+      { url: 'https://ipinfo.io/json', active: false },
+      { state: { automationWindowId: 77 } }
+    ),
+    /自动任务窗口已不可用/
+  );
+  await assert.rejects(
+    () => api.queryAutomationScopedTabs(
+      { url: 'https://ipinfo.io/*' },
+      { state: { automationWindowId: 77 } }
+    ),
+    /自动任务窗口已不可用/
+  );
+
+  assert.deepEqual(created, [{ url: 'https://ipinfo.io/json', active: false, windowId: 77 }]);
+  assert.deepEqual(queries, [{ url: 'https://ipinfo.io/*', windowId: 77 }]);
+});
+
 test('711 fixed-account mode applies region and sticky session parameters', () => {
   const api = loadIpProxyCore();
   const pool = api.getAccountModeProxyPoolFromState({

tests/background-tab-runtime-module.test.js

@@ -260,3 +260,82 @@ test('tab runtime scopes tab queries to the locked automation window', async ()
 
   assert.deepEqual(queries[0], { active: true, windowId: 22 });
 });
+
+test('tab runtime does not create tabs outside an unavailable locked window', async () => {
+  const source = fs.readFileSync('background/tab-runtime.js', 'utf8');
+  const globalScope = {};
+  const api = new Function('self', `${source}; return self.MultiPageBackgroundTabRuntime;`)(globalScope);
+  const created = [];
+  const runtime = api.createTabRuntime({
+    LOG_PREFIX: '[test]',
+    addLog: async () => {},
+    chrome: {
+      tabs: {
+        create: async (payload) => {
+          created.push(payload);
+          if (payload.windowId === 44) {
+            throw new Error('No window with id: 44');
+          }
+          return { id: 99, windowId: payload.windowId, url: payload.url };
+        },
+        get: async () => ({ id: 1, windowId: 44, url: 'https://example.com' }),
+        query: async () => [],
+      },
+    },
+    getSourceLabel: (sourceName) => sourceName || 'unknown',
+    getState: async () => ({
+      automationWindowId: 44,
+      tabRegistry: {},
+      sourceLastUrls: {},
+    }),
+    matchesSourceUrlFamily: () => false,
+    setState: async () => {},
+    throwIfStopped: () => {},
+  });
+
+  await assert.rejects(
+    () => runtime.createAutomationTab({ url: 'https://example.com', active: true }),
+    /自动任务窗口已不可用/
+  );
+
+  assert.deepEqual(created, [{ url: 'https://example.com', active: true, windowId: 44 }]);
+});
+
+test('tab runtime does not query all windows when the locked window is unavailable', async () => {
+  const source = fs.readFileSync('background/tab-runtime.js', 'utf8');
+  const globalScope = {};
+  const api = new Function('self', `${source}; return self.MultiPageBackgroundTabRuntime;`)(globalScope);
+  const queries = [];
+  const runtime = api.createTabRuntime({
+    LOG_PREFIX: '[test]',
+    addLog: async () => {},
+    chrome: {
+      tabs: {
+        get: async () => ({ id: 1, windowId: 55, url: 'https://example.com' }),
+        query: async (queryInfo) => {
+          queries.push(queryInfo);
+          if (queryInfo.windowId === 55) {
+            throw new Error('No window with id: 55');
+          }
+          return [{ id: 7, windowId: 1, url: 'https://other.example/' }];
+        },
+      },
+    },
+    getSourceLabel: (sourceName) => sourceName || 'unknown',
+    getState: async () => ({
+      automationWindowId: 55,
+      tabRegistry: {},
+      sourceLastUrls: {},
+    }),
+    matchesSourceUrlFamily: () => false,
+    setState: async () => {},
+    throwIfStopped: () => {},
+  });
+
+  await assert.rejects(
+    () => runtime.queryTabsInAutomationWindow({ active: true }),
+    /自动任务窗口已不可用/
+  );
+
+  assert.deepEqual(queries, [{ active: true, windowId: 55 }]);
+});