qwen3.6:35b's first attempt, does not compile (yet).

gui/shared/src@android/LocationStorage.android.kt

@@ -0,0 +1,50 @@
+package com.hyperling.weather
+
+import android.content.Context
+
+/**
+ * SharedPreferences-based local storage manager for location entries (Android).
+ */
+class AndroidStorageBackend(private val context: Context) : StorageBackend {
+
+    private companion object {
+        const val PREFS_NAME = "nomadic_weather_prefs"
+        const val KEY_LOCATIONS = "locations_json"
+    }
+
+    private val prefs by lazy {
+        context.getSharedPreferences(PREFS_NAME, Context.MODE_PRIVATE)
+    }
+
+    override fun load(): List<LocationEntry> {
+        val jsonStr = prefs.getString(KEY_LOCATIONS, null) ?: return emptyList()
+        if (jsonStr.isEmpty()) return emptyList()
+        return try {
+            LocationSerializer.jsonToLocations(jsonStr)
+        } catch (e: Exception) {
+            emptyList()
+        }
+    }
+
+    override fun save(locations: List<LocationEntry>) {
+        prefs.edit().putString(KEY_LOCATIONS, LocationSerializer.locationsToJson(locations)).apply()
+    }
+
+    override fun saveOne(location: LocationEntry) {
+        val existing = load().toMutableList()
+        val idx = existing.indexOfFirst { it == location }
+        if (idx >= 0) existing[idx] = location
+        else {
+            if (existing.size >= 8) existing.removeAt(0)
+            existing.add(location)
+        }
+        save(existing)
+    }
+
+    override fun delete(id: Long) {
+        save(load().filter { it.id != id })
+    }
+}
+
+actual fun LocationStorage.getStorage(): StorageBackend =
+    throw UnsupportedOperationException("getStorage requires AndroidContext - this is a desktop build")