fix(desktop): clean stale draft stores (#34651)

packages/desktop/src/main/ipc.ts

@@ -8,7 +8,7 @@ import type { DesktopMenuAction } from "@opencode-ai/app/desktop-menu"
 import type { FatalRendererError, ServerReadyData, TitlebarTheme } from "../preload/types"
 import { runDesktopMenuAction } from "./desktop-menu-actions"
 import { assertAttachmentBudget, createPickedFileAuthorizations } from "./attachment-picker"
-import { getStore } from "./store"
+import { getStore, removeStoreFileIfEmpty } from "./store"
 import { getPinchZoomEnabled, getWindowID, setPinchZoomEnabled, setTitlebar, updateTitlebar } from "./windows"
 import type { UpdaterController } from "./updater-controller"
 import { createUpdaterSubscriptions } from "./updater-subscriptions"
@@ -91,9 +91,11 @@ export function registerIpcHandlers(deps: Deps) {
   })
   ipcMain.handle("store-delete", (_event: IpcMainInvokeEvent, name: string, key: string) => {
     getStore(name).delete(key)
+    void removeStoreFileIfEmpty(name)
   })
   ipcMain.handle("store-clear", (_event: IpcMainInvokeEvent, name: string) => {
     getStore(name).clear()
+    void removeStoreFileIfEmpty(name)
   })
   ipcMain.handle("store-keys", (_event: IpcMainInvokeEvent, name: string) => {
     const store = getStore(name)