feat: scaffold offline-first mobile app (RN+Expo, expo-sqlite)

Capa API tipada de los 8 endpoints, BD local espejo del bundle + outbox
(operaciones y media) + cursor de sync, motor runSync (PUSH /sync ->
PUSH /media -> PULL bundle?since) con idempotencia por uuid y last-write-wins,
mutaciones de alto nivel (write local + encolar), sesion con token en
SecureStore, conectividad NetInfo y UI minima (Login -> Proyectos -> Detalle).

Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>

package.json

@@ -1,12 +1,21 @@
 {
-  "name": "avante_init",
+  "name": "avante-movil",
   "version": "1.0.0",
   "main": "index.ts",
   "dependencies": {
+    "@react-native-community/netinfo": "12.0.1",
+    "@react-navigation/native": "^7.3.3",
+    "@react-navigation/native-stack": "^7.17.5",
     "expo": "~56.0.12",
+    "expo-crypto": "~56.0.4",
+    "expo-file-system": "~56.0.8",
+    "expo-secure-store": "~56.0.4",
+    "expo-sqlite": "~56.0.5",
     "expo-status-bar": "~56.0.4",
     "react": "19.2.3",
-    "react-native": "0.85.3"
+    "react-native": "0.85.3",
+    "react-native-safe-area-context": "~5.7.0",
+    "react-native-screens": "4.25.2"
   },
   "devDependencies": {
     "@types/react": "~19.2.2",
@@ -16,7 +25,8 @@
     "start": "expo start",
     "android": "expo start --android",
     "ios": "expo start --ios",
-    "web": "expo start --web"
+    "web": "expo start --web",
+    "typecheck": "tsc --noEmit"
   },
   "private": true
 }