fix: move mutation ownership to snapshot module

Author: thymikee

scripts/mutation/modules.ts

@@ -61,8 +61,8 @@ export const KERNEL_MODULES: readonly KernelModule[] = [
   {
     id: 'scroll-edge-state',
     label: 'Scroll edge-state detection',
-    mutate: ['src/utils/scroll-edge-state.ts'],
-    owns: ['src/utils/scroll-edge-state.ts'],
+    mutate: ['src/snapshot/scroll-edge-state.ts', 'src/snapshot/scroll-edge-state/**/*.ts'],
+    owns: ['src/snapshot/scroll-edge-state.ts', 'src/snapshot/scroll-edge-state/'],
   },
   {
     id: 'selectors',

scripts/mutation/selection.test.ts

@@ -80,9 +80,9 @@ test('a lane-tooling diff selects real mutants', () => {
 // The weekly sweep is the kernel report; selecting on derived ownership would
 // run the full ten-shard sweep on most PRs for a report nobody gates on.
 test('a kernel diff selects nothing — only a harness diff spends mutants', () => {
-  const dir = worktreeWithCommit('kernel', ['src/utils/scroll-edge-state.ts']);
+  const dir = worktreeWithCommit('kernel', ['src/snapshot/scroll-edge-state.ts']);
   assert.deepEqual(listAffected(dir), []);
-  assert.deepEqual(affectedMatrixFor(['src/utils/scroll-edge-state.ts']), []);
+  assert.deepEqual(affectedMatrixFor(['src/snapshot/scroll-edge-state.ts']), []);
 });
 
 test('a docs-only diff selects nothing', () => {

stryker.config.json

@@ -34,7 +34,8 @@
     "packages/kernel/src/errors.ts",
     "src/daemon/ref-frame.ts",
     "src/commands/interaction/runtime/settle.ts",
-    "src/utils/scroll-edge-state.ts",
+    "src/snapshot/scroll-edge-state.ts",
+    "src/snapshot/scroll-edge-state/**/*.ts",
     "packages/selectors/src/**/*.ts",
     "!packages/selectors/src/**/*.test.ts",
     "!packages/selectors/src/internal/__tests__/**",