chore: ignore stray top-level node_modules/ vitest cache

vitest occasionally writes its .vite cache to a top-level node_modules/
when invoked from the wrong cwd. The cache landed in 78405b6; remove it
and ignore the path so it can't sneak in again.

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>

.gitignore

@@ -33,3 +33,6 @@ storage/images/
 # Python
 **/__pycache__/
 *.pyc
+
+# Stray vitest .vite cache when run from the wrong cwd
+/node_modules/

node_modules/.vite/vitest/da39a3ee5e6b4b0d3255bfef95601890afd80709/results.json

@@ -1 +0,0 @@
-{"version":"4.1.5","results":[[":frontend/src/test/views/LibraryView.test.ts",{"duration":0,"failed":true}],[":frontend/src/test/views/HomeView.test.ts",{"duration":0,"failed":true}],[":frontend/src/test/views/UploadView.test.ts",{"duration":0,"failed":true}],[":frontend/src/test/stores/images.test.ts",{"duration":0,"failed":true}],[":frontend/src/test/stores/upload.test.ts",{"duration":0,"failed":true}],[":frontend/src/test/stores/devices.test.ts",{"duration":0,"failed":true}],[":frontend/src/test/components/ApproveCard.test.ts",{"duration":0,"failed":true}],[":frontend/src/test/components/BaseBottomSheet.test.ts",{"duration":0,"failed":true}],[":frontend/src/test/components/DevicePicker.test.ts",{"duration":0,"failed":true}],[":frontend/src/test/components/FrameCard.test.ts",{"duration":0,"failed":true}],[":frontend/src/test/components/ShareSheet.test.ts",{"duration":0,"failed":true}],[":frontend/src/test/composables/useTheme.test.ts",{"duration":0,"failed":true}],[":frontend/src/test/components/BottomNav.test.ts",{"duration":0,"failed":true}],[":frontend/src/test/components/BaseButton.test.ts",{"duration":0,"failed":true}],[":frontend/src/test/App.test.ts",{"duration":0,"failed":true}],[":frontend/src/test/components/BaseInput.test.ts",{"duration":0,"failed":true}],[":frontend/src/test/views/SettingsView.test.ts",{"duration":0,"failed":true}],[":frontend/src/test/components/StickerTray.test.ts",{"duration":0,"failed":true}],[":frontend/src/test/stores/toast.test.ts",{"duration":0,"failed":true}],[":frontend/src/test/stores/auth.test.ts",{"duration":53.48111400000005,"failed":true}],[":frontend/src/test/components/OrientationPicker.test.ts",{"duration":0,"failed":true}],[":frontend/src/test/components/BaseToast.test.ts",{"duration":0,"failed":true}],[":frontend/src/test/components/BaseChip.test.ts",{"duration":0,"failed":true}],[":frontend/src/test/components/BaseCard.test.ts",{"duration":0,"failed":true}]]}