diff --git a/.github/workflows/fix-v1771-e2e-loader.yml b/.github/workflows/fix-v1771-e2e-loader.yml
deleted file mode 100644
index 20923e7..0000000
--- a/.github/workflows/fix-v1771-e2e-loader.yml
+++ /dev/null
@@ -1,32 +0,0 @@
-name: Fix Caterium v17.7.1 E2E module checks
-on:
-  push:
-    branches:
-      - main
-    paths:
-      - '.github/workflows/fix-v1771-e2e-loader.yml'
-permissions:
-  contents: write
-jobs:
-  fix:
-    runs-on: ubuntu-latest
-    steps:
-      - uses: actions/checkout@v4
-      - uses: actions/setup-node@v4
-        with:
-          node-version: '22'
-      - name: Apply isolated module checks
-        run: python ops/fix_v1771_e2e_wait.py
-      - run: npm install
-      - run: npm run check:deploy
-      - run: npx playwright install --with-deps chromium
-      - name: Run full browser QA
-        run: npm run test:e2e
-      - name: Commit verified fix
-        run: |
-          rm -f .github/workflows/fix-v1771-e2e-loader.yml ops/fix_v1771_e2e_wait.py ops/browser-diag-v1771.txt
-          git config user.name "github-actions[bot]"
-          git config user.email "41898282+github-actions[bot]@users.noreply.github.com"
-          git add -A
-          git commit -m "Fix v17.7.1 E2E data layer module checks"
-          git push
diff --git a/ops/browser-diag-v1771.txt b/ops/browser-diag-v1771.txt
deleted file mode 100644
index 98fcd7a..0000000
--- a/ops/browser-diag-v1771.txt
+++ /dev/null
@@ -1,38 +0,0 @@
-{
-  "state": {
-    "readyState": "complete",
-    "performanceLoaded": true,
-    "data1771": true,
-    "data1770": true,
-    "dataCurrent": true,
-    "perfScript": "http://127.0.0.1:4173/core/performance.js?v=20260909-v17-7-1-data-layer-adoption",
-    "dataScript": "http://127.0.0.1:4173/core/data-layer-v1771.js?v=20260909-v17-7-1-data-layer-adoption",
-    "dataFetch": {
-      "status": 200,
-      "ok": true,
-      "head": "(()=>{\n  'use strict';\n  if(window.CateriumDataV1771)return;\n\n  const VERSION='1"
-    }
-  },
-  "events": [
-    {
-      "type": "response",
-      "url": "http://127.0.0.1:4173/core/performance.js?v=20260909-v17-7-1-data-layer-adoption",
-      "status": 200
-    },
-    {
-      "type": "response",
-      "url": "http://127.0.0.1:4173/core/data-layer-v1771.js?v=20260909-v17-7-1-data-layer-adoption",
-      "status": 200
-    },
-    {
-      "type": "response",
-      "url": "http://127.0.0.1:4173/core/server-automation-v1770.js?v=20260909-v17-7-1-data-layer-adoption",
-      "status": 200
-    },
-    {
-      "type": "response",
-      "url": "http://127.0.0.1:4173/core/data-layer-v1771.js",
-      "status": 200
-    }
-  ]
-}
diff --git a/ops/fix_v1771_e2e_wait.py b/ops/fix_v1771_e2e_wait.py
deleted file mode 100644
index ce65fb8..0000000
--- a/ops/fix_v1771_e2e_wait.py
+++ /dev/null
@@ -1,11 +0,0 @@
-from pathlib import Path
-p=Path('tests/app.spec.mjs')
-s=p.read_text(encoding='utf-8')
-old="await page.waitForFunction(()=>Boolean(window.CateriumDataV1771),null,{timeout:5000});"
-new="await injectCore(page,'data-layer-v1771.js','CateriumDataV1771');"
-count=s.count(old)
-if count != 2:
-    raise SystemExit(f'Expected 2 v17.7.1 loader waits, found {count}')
-s=s.replace(old,new)
-p.write_text(s,encoding='utf-8')
-print('Patched both v17.7.1 E2E tests to inject the isolated data layer module')
diff --git a/tests/app.spec.mjs b/tests/app.spec.mjs
index f6dbecb..61ac733 100644
--- a/tests/app.spec.mjs
+++ b/tests/app.spec.mjs
@@ -261,7 +261,7 @@ test('v17.6.9 offer workspace module boots', async ({ page }) => {
 
 test('v17.7.1 data layer can update orders without direct UI globals', async ({ page }) => {
   await page.goto('/index.html',{waitUntil:'domcontentloaded'});
-  await page.waitForFunction(()=>Boolean(window.CateriumDataV1771),null,{timeout:5000});
+  await injectCore(page,'data-layer-v1771.js','CateriumDataV1771');
   const result=await page.evaluate(()=>{const d=window.CateriumDataV1771;d.orders.replace([{id:77,status:'Новый',total:1000}],{persistLocal:false,reason:'e2e-seed'});const before=d.orders.get(77);d.orders.update(77,o=>({...o,status:'Тест'}),{persistLocal:false});return {before:before.status,after:d.orders.get(77).status,version:d.VERSION,alias:window.CateriumDataV1770===d}});
   expect(result).toEqual({before:'Новый',after:'Тест',version:'17.7.1',alias:true});
 });
@@ -277,7 +277,7 @@ test('v17.7.0 server automation applies returned normalized orders through data
 
 test('v17.7.1 data layer serves orders and catalog with v17.7.0 compatibility alias', async ({ page }) => {
   await page.goto('/index.html',{waitUntil:'domcontentloaded'});
-  await page.waitForFunction(()=>Boolean(window.CateriumDataV1771),null,{timeout:5000});
+  await injectCore(page,'data-layer-v1771.js','CateriumDataV1771');
   const result=await page.evaluate(()=>{
     const d=window.CateriumDataV1771,beforeOrders=d.orders.list(),beforeCatalog=d.catalog.list();
     d.orders.replace([...beforeOrders,{id:'qa-v1771',event:'QA',lines:[]}],{persistLocal:false,reason:'qa-order'});