Enable Chromium spellchecker for webview/editor

Author: yutai3-hue

src/components/BoostHubWebview.tsx

@@ -413,7 +413,9 @@ const BoostHubWebview = ({
         tabIndex={-1}
         useragent={boostHubWebViewUserAgent}
         preload={boostHubPreloadUrl}
-        webpreferences='contextIsolation=no'
+        // Electron's webview tag uses a BrowserWindow-style feature string.
+        // Keep contextIsolation off (existing behavior) and enable spellcheck.
+        webpreferences='contextIsolation=no,spellcheck=yes'
       />
     </Container>
   )

src/electron/windows.ts

@@ -32,6 +32,9 @@ export function createAWindow(
       nodeIntegration: true,
       webSecurity: !dev,
       webviewTag: true,
+      // Ensure Chromium's spellchecker is available to renderer/webviews.
+      // The editor still controls actual usage via `spellcheck` attributes/settings.
+      spellcheck: true,
       enableRemoteModule: true,
       contextIsolation: false,
       preload: dev