diff --git a/stryker-scope.json b/stryker-scope.json
index 3cad8c23b..7625f3dfa 100644
--- a/stryker-scope.json
+++ b/stryker-scope.json
@@ -8,6 +8,11 @@
         "services/commands/fuzzyScore.ts",
         "services/commands/palettePreferences.ts",
         "services/commands/commandBuilder.ts"
+      ],
+      "testFiles": [
+        "tests/unit/commands/fuzzyScore.test.ts",
+        "tests/unit/commands/palettePreferences.test.ts",
+        "tests/unit/services/commandBuilder.test.ts"
       ]
     },
     {
diff --git a/tests/unit/tooling/strykerWorkflowPolicy.test.ts b/tests/unit/tooling/strykerWorkflowPolicy.test.ts
index f710c0b56..40ceeb407 100644
--- a/tests/unit/tooling/strykerWorkflowPolicy.test.ts
+++ b/tests/unit/tooling/strykerWorkflowPolicy.test.ts
@@ -30,6 +30,12 @@ describe('Stryker workflow policy', () => {
     expect(mutationModules).toHaveLength(8);
     expect(new Set(mutationFiles).size).toBe(25);
     expect(mutationModules.every(({ riskTier }) => ['A', 'B'].includes(riskTier))).toBe(true);
+    // QNBS-v3: [Validate the services-commands Stryker mapping / prevent test-scope drift / make the policy contract explicit]
+    expect(selectMutationModules('services-commands')[0]?.testFiles).toEqual([
+      'tests/unit/commands/fuzzyScore.test.ts',
+      'tests/unit/commands/palettePreferences.test.ts',
+      'tests/unit/services/commandBuilder.test.ts',
+    ]);
     expect(selectMutationModules('tier-a').every(({ riskTier }) => riskTier === 'A')).toBe(true);
     expect(selectMutationModules('services-commands')).toHaveLength(1);
     expect(selectMutationModules('copilot')[0]?.testFiles).toEqual([