diff --git a/.github/workflows/process.yml b/.github/workflows/process.yml
index 37f550cc..3be57742 100644
--- a/.github/workflows/process.yml
+++ b/.github/workflows/process.yml
@@ -1082,10 +1082,11 @@ jobs:
           legacy="docs/reviews/${marker}-${NUM}-r${CYCLE}.md"
           if [ ! -f "$SOURCE" ] && [ -f "$legacy" ]; then cp "$legacy" "$SOURCE"; fi
           test -s "$SOURCE" || { echo "::error::модель не оставила документ ревью"; exit 1; }
-          printf '%s' "$OUT" | jq -e '
+          printf '%s' "$OUT" > "$RUNNER_TEMP/verdict.json"
+          jq -e '
             (.verdict == "green" or .verdict == "yellow" or .verdict == "red")
             and (.high | type == "number") and (.medium | type == "number")
-            and (.summary | type == "string")' > "$RUNNER_TEMP/verdict.json"
+            and (.summary | type == "string")' "$RUNNER_TEMP/verdict.json" >/dev/null
           dir="$RUNNER_TEMP/review-result"
           mkdir -p "$dir"
           cp "$RUNNER_TEMP/review-prepared/prepared.json" "$dir/prepared.json"
diff --git a/scripts/mutation-gate.mjs b/scripts/mutation-gate.mjs
index d397fb7d..d37126dd 100644
--- a/scripts/mutation-gate.mjs
+++ b/scripts/mutation-gate.mjs
@@ -7858,6 +7858,17 @@ const MUTANT_DEFINITIONS = [
       replace: '          ref: dev # mutant: moving material',
     }],
   },
+  {
+    id: 'review-model-seals-verdict-as-boolean',
+    guard: 'node --test --test-name-pattern="#551" test/review-doc-guard.test.mjs',
+    because: '#551: результат JSON-schema review должен дойти до интеграции объектом; '
+      + 'перенаправление stdout предиката jq записывает boolean true и роняет публикацию',
+    patches: [{
+      file: '.github/workflows/process.yml',
+      find: '          printf \'%s\' "$OUT" > "$RUNNER_TEMP/verdict.json"',
+      replace: '          printf \'%s\' "$OUT" | jq -e \'true\' > "$RUNNER_TEMP/verdict.json" # mutant: boolean payload',
+    }],
+  },
   {
     id: 'review-integration-skips-evidence-checksum',
     guard: 'node --test --test-name-pattern="#551" test/review-doc-guard.test.mjs',
diff --git a/test/review-doc-guard.test.mjs b/test/review-doc-guard.test.mjs
index 94401309..231fc1d4 100644
--- a/test/review-doc-guard.test.mjs
+++ b/test/review-doc-guard.test.mjs
@@ -768,6 +768,17 @@ test('#551: gates, модель и интеграция имеют незави
   assert.doesNotMatch(model, /validate-gate\.mjs/, 'ожидания Validate нет в бюджете модели');
   assert.match(model, /needs: \[guard, prepare\]/);
   assert.match(integrate, /needs: \[guard, prepare, model_review\]/);
+  const seal = model.slice(
+    model.indexOf('- name: Запечатать результат модели'),
+    model.indexOf('- name: Передать результат интеграции'),
+  );
+  assert.match(seal, /printf '%s' "\$OUT" > "\$RUNNER_TEMP\/verdict\.json"/,
+    'structured verdict сохраняется как объект до проверки');
+  assert.match(seal,
+    /and \(\.summary \| type == "string"\)' "\$RUNNER_TEMP\/verdict\.json" >\/dev\/null/,
+    'jq валидирует сохранённый объект, не записывает boolean предиката вместо него');
+  assert.doesNotMatch(seal, /jq -e '[\s\S]*> "\$RUNNER_TEMP\/verdict\.json"/,
+    'stdout предиката jq не становится payload интеграции');
   assert.match(model, /ref: \$\{\{ needs\.prepare\.outputs\.material_sha \}\}/,
     'модель получает exact material, а не подвижную ветку');