feat!: client storage is read-only, storage.save and storage.delete removed

skills/rudder-web-sdk/SKILL.md

@@ -77,7 +77,7 @@ refresh clears tokens and emits `signed-out`. Details:
 | Auth | `client.auth` | service |
 | Player | `client.player` (`player`, `identities`, `balances`, `items`) | `SyncedState<PlayerProfile>` |
 | Catalog currencies | `client.catalog` | `SyncedState<Map<string, CatalogCurrency>>` |
-| Player storage | `client.storage` + `.save(type, data)` / `.delete(type)` | `SyncedState<GetStorageResponse>` + mutations |
+| Player storage | `client.storage`, read-only | `SyncedState<GetStorageResponse>` |
 | Modules | `client.modules.call<T>(module, fn, args?, { moduleVersion? })` | resolves to `result` as `T` |
 
 ## Module calls through generated clients

skills/rudder-web-sdk/reference/storage.md

@@ -5,8 +5,7 @@ Per-player storage, one item per `type`. `StorageDomain`, revision key
 
 ```ts
 client.storage.value   // GetStorageResponse | undefined
-await client.storage.save(type, data);
-await client.storage.delete(type);
+await client.storage.reload();
 ```
 
 ```ts
@@ -21,10 +20,8 @@ interface StorageItem {
 }
 ```
 
-- `save(type: string, data: string): Promise<void>`: upserts the item of
-  `type` (the server keeps one item per player and type), then invalidates.
-- `delete(type: string): Promise<void>`: deletes the item of `type`, then
-  invalidates.
+- The client cannot write storage. Module functions (kernel `Storage.Set`) and
+  the batch admin API write it; call `reload()` after a module call that saved.
 
 ## Limits and notes