Add printer status badges, remove SpoolBuddy inventory page

- Add printer status badges to dashboard left column (green/gray
    online/offline dots, compact wrapping pills, overflow-hidden)
  - Remove SpoolBuddy inventory page — inventory management belongs
    in the main Bambuddy frontend, not the kiosk
  - Remove inventory nav item from bottom nav (now 3 tabs)
  - Replace "Add to Inventory" navigate with quick-add modal that
    creates a basic PLA spool entry via API, with a hint to use
    the main Bambuddy UI for full spool details instead

static/index.html

@@ -23,8 +23,8 @@
 
     <!-- Splash screens for iOS -->
     <link rel="apple-touch-startup-image" href="/img/android-chrome-512x512.png" />
-    <script type="module" crossorigin src="/assets/index-B7PRBmZ8.js"></script>
-    <link rel="stylesheet" crossorigin href="/assets/index-DxG5AoTP.css">
+    <script type="module" crossorigin src="/assets/index-B2SGH3be.js"></script>
+    <link rel="stylesheet" crossorigin href="/assets/index-Dtmjz8ii.css">
   </head>
   <body>
     <div id="root"></div>