chore(rn): disable corepack and regenerate lock files

Set DEVBOX_COREPACK_ENABLED="" in root devbox.json and react-native
plugin.json to prevent corepack from interfering with npm. Regenerate
device lock files with updated timestamps.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

Author: abueide

devbox.json

@@ -12,7 +12,8 @@
     "REPORTS_DIR":      "reports",
     "TEST_RESULTS_DIR": "reports/results",
     "TEST_LOGS_DIR":    "reports/logs",
-    "TEST_TUI":         "false"
+    "TEST_TUI":         "false",
+    "DEVBOX_COREPACK_ENABLED": ""
   },
   "shell": {
     "scripts": {

examples/react-native/devbox.d/android/devices/devices.lock

@@ -14,5 +14,5 @@
     }
   ],
   "checksum": "f5bfab3fdcbe8a23858954c18b1fa86d28a3316e801523aa6d4aa72ca9cf5ab7",
-  "generated_at": "2026-02-19T18:00:02Z"
+  "generated_at": "2026-02-19T19:12:22Z"
 }

examples/react-native/devbox.d/ios/devices/devices.lock

@@ -10,5 +10,5 @@
     }
   ],
   "checksum": "4d5276f203d7ad62860bfc067f76194df53be449d4aa8a3b2d069855ec1f3232",
-  "generated_at": "2026-02-19T18:01:57Z"
+  "generated_at": "2026-02-19T19:12:23Z"
 }

plugins/react-native/plugin.json

@@ -29,7 +29,8 @@
     "ANDROID_INCLUDE_NDK": "true",
     "ANDROID_NDK_VERSION": "29.0.14206865",
     "ANDROID_INCLUDE_CMAKE": "true",
-    "ANDROID_CMAKE_VERSION": "4.1.2"
+    "ANDROID_CMAKE_VERSION": "4.1.2",
+    "DEVBOX_COREPACK_ENABLED": ""
   },
   "create_files": {
     "{{ .Virtenv }}/metro": "",