half way there

utils/storage.ts

@@ -0,0 +1,31 @@
+import type { HostInfo } from './types';
+
+export const StorageService = {
+  /**
+   * Returns the storage key for a specific tab with the required type prefix
+   */
+  getKey(tabId: number): `session:${string}` {
+    return `session:host-info-${tabId}`;
+  },
+
+  /**
+   * Save host info for a tab
+   */
+  async set(tabId: number, data: HostInfo) {
+    await storage.setItem<HostInfo>(this.getKey(tabId), data);
+  },
+
+  /**
+   * Get host info for a tab
+   */
+  async get(tabId: number): Promise<HostInfo | null> {
+    return await storage.getItem<HostInfo>(this.getKey(tabId));
+  },
+
+  /**
+   * Clear data when a tab is closed
+   */
+  async remove(tabId: number) {
+    await storage.removeItem(this.getKey(tabId));
+  }
+};