update: CRM customers, orders, device detail, and status system changes

- CustomerList, CustomerForm, CustomerDetail: various updates
- Orders: removed OrderDetail and OrderForm, updated OrderList and index
- DeviceDetail: updates
- index.css: added new styles
- CRM_STATUS_SYSTEM_PLAN.md: new planning document
- Added customer-status assets and CustomerDetail subfolder

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

frontend/src/assets/customer-status/started-mfg.svg

@@ -0,0 +1,10 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<svg id="Layer_2" data-name="Layer 2" xmlns="http://www.w3.org/2000/svg" viewBox="0 0 41.05 41.09">
+  <g id="Layer_1-2" data-name="Layer 1">
+    <g>
+      <path d="m0,41.09h41.05V15.4H0v25.69Zm13.42-14.41l3.62,3.66,11.24-11.32,3.66,3.62-11.32,11.24-3.58,3.66-3.62-3.66-3.66-3.62,3.66-3.58Z"/>
+      <polygon points="35.9 0 23.12 0 23.12 10.25 41.05 10.25 35.9 0"/>
+      <polygon points="17.97 0 5.15 0 0 10.25 17.97 10.25 17.97 0"/>
+    </g>
+  </g>
+</svg>