update config, admin-web tooling & relocate agent skills

Update app.json config and add new dependencies in package.json. Update
.gitignore for new patterns. Add timed-exercise editor/list components,
warmup/stretch video migration, and Supabase helpers in admin-web.
Relocate agent skills from .agents/skills/ to .opencode/skills/.

package-lock.json

@@ -36,11 +36,13 @@
         "expo-linear-gradient": "~15.0.8",
         "expo-linking": "~8.0.11",
         "expo-localization": "~17.0.8",
+        "expo-network": "~8.0.8",
         "expo-notifications": "~0.32.16",
         "expo-router": "~6.0.23",
         "expo-sharing": "~14.0.8",
         "expo-splash-screen": "~31.0.13",
         "expo-status-bar": "~3.0.9",
+        "expo-store-review": "~9.0.9",
         "expo-symbols": "~1.0.8",
         "expo-system-ui": "~6.0.9",
         "expo-video": "~3.0.16",
@@ -7744,6 +7746,16 @@
         "react-native": "*"
       }
     },
+    "node_modules/expo-network": {
+      "version": "8.0.8",
+      "resolved": "https://registry.npmjs.org/expo-network/-/expo-network-8.0.8.tgz",
+      "integrity": "sha512-dgrL8UHAmWofqeY4UEjWskCl/RoQAM0DG6PZR8xz2WZt+6aQEboQgFRXowCfhbKZ71d16sNuKXtwBEsp2DtdNw==",
+      "license": "MIT",
+      "peerDependencies": {
+        "expo": "*",
+        "react": "*"
+      }
+    },
     "node_modules/expo-notifications": {
       "version": "0.32.16",
       "resolved": "https://registry.npmjs.org/expo-notifications/-/expo-notifications-0.32.16.tgz",
@@ -8060,6 +8072,16 @@
         "react-native": "*"
       }
     },
+    "node_modules/expo-store-review": {
+      "version": "9.0.9",
+      "resolved": "https://registry.npmjs.org/expo-store-review/-/expo-store-review-9.0.9.tgz",
+      "integrity": "sha512-99vS7edXlKzPcdjrzVlMQWc4zOyq4khQfFjhNqJgpGP+AgRn4U0LaZkHIrVjmzolryD3rcHJSiUQH9Vi0sD0MQ==",
+      "license": "MIT",
+      "peerDependencies": {
+        "expo": "*",
+        "react-native": "*"
+      }
+    },
     "node_modules/expo-symbols": {
       "version": "1.0.8",
       "resolved": "https://registry.npmjs.org/expo-symbols/-/expo-symbols-1.0.8.tgz",