diff --git a/.github/workflows/branding-repair-v1774.yml b/.github/workflows/branding-repair-v1774.yml
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+++ b/.github/workflows/branding-repair-v1774.yml
@@ -0,0 +1,46 @@
+name: Caterium One-Time Branding Repair
+on:
+  push:
+    branches: ["fix/caterium-branding-v1774"]
+permissions:
+  contents: write
+concurrency:
+  group: caterium-branding-repair-v1774
+  cancel-in-progress: false
+jobs:
+  repair:
+    if: ${{ !contains(github.event.head_commit.message, '[branding-repair]') }}
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+        with:
+          ref: fix/caterium-branding-v1774
+          fetch-depth: 0
+      - name: Replace visible legacy branding
+        shell: bash
+        run: |
+          node <<'NODE'
+          const fs=require('fs');
+          const path='public/index.html';
+          let src=fs.readFileSync(path,'utf8');
+          const replacements=[
+            ['<title>Солнце Кейтеринг</title>','<title>Caterium</title>'],
+            ['<meta name="apple-mobile-web-app-title" content="Солнце">','<meta name="apple-mobile-web-app-title" content="Caterium">'],
+            ['<div class="brand"><span class="sun">☼</span>Солнце Кейтеринг</div>','<div class="brand"><span class="sun">☼</span>Caterium</div>']
+          ];
+          for(const [from,to] of replacements){
+            const count=src.split(from).length-1;
+            if(count!==1) throw new Error(`Expected exactly one occurrence: ${from}; found ${count}`);
+            src=src.replace(from,to);
+          }
+          fs.writeFileSync(path,src);
+          NODE
+      - name: Commit branding repair
+        shell: bash
+        run: |
+          set -euo pipefail
+          git config user.name "github-actions[bot]"
+          git config user.email "41898282+github-actions[bot]@users.noreply.github.com"
+          git add public/index.html
+          git commit -m "brand: replace visible legacy name [branding-repair]"
+          git push origin HEAD:fix/caterium-branding-v1774