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

gui/shared/src/LocationStorage.kt

@@ -0,0 +1,37 @@
+package com.hyperling.weather
+
+/**
+ * Platform-agnostic location storage abstraction.
+ */
+object LocationStorage {
+    /**
+     * Load all saved locations.
+     */
+    fun load(): List<LocationEntry> = getStorage().load()
+    
+    /**
+     * Save all locations (replaces existing).
+     */
+    fun save(locations: List<LocationEntry>) = getStorage().save(locations)
+    
+    /**
+     * Save a single location, merging with existing list.
+     */
+    fun saveOne(location: LocationEntry) = getStorage().saveOne(location)
+    
+    /**
+     * Delete a location by id.
+     */
+    fun delete(id: Long) = getStorage().delete(id)
+    
+    expect fun getStorage(): StorageBackend
+}
+
+interface StorageBackend {
+    fun load(): List<LocationEntry>
+    fun save(locations: List<LocationEntry>)
+    fun saveOne(location: LocationEntry)
+    fun delete(id: Long)
+}
+
+expect fun getPlatformStorage(): StorageBackend