Add custom main tab bar with global scan-to-verify flow.

Introduce configurable custom TabBar with order badge, central scanner routing to verification orders, and update the migration checklist for recently completed modules.

Co-authored-by: Cursor <cursoragent@cursor.com>

suixinkan/Assets.xcassets/TabHomeSelected.imageset/Contents.json

@@ -0,0 +1,21 @@
+{
+  "images" : [
+    {
+      "filename" : "tab_home_selected.png",
+      "idiom" : "universal",
+      "scale" : "1x"
+    },
+    {
+      "idiom" : "universal",
+      "scale" : "2x"
+    },
+    {
+      "idiom" : "universal",
+      "scale" : "3x"
+    }
+  ],
+  "info" : {
+    "author" : "xcode",
+    "version" : 1
+  }
+}