feat: implement update-service v1 migration and enrollment flow

- added /update/enroll endpoint and enrollment logic
- migrated update client to v1 api endpoints and bearer auth
- implemented remote status reporting in backend and scripts
- updated requirements and project status

project-management/feedback/teal/logo_ai.svg

@@ -0,0 +1,16 @@
+<svg width="340" height="60" viewBox="0 0 340 60" fill="none" xmlns="http://www.w3.org/2000/svg">
+  <!-- V12: ALL TEAL -->
+  <g transform="translate(10, 10)">
+    <rect x="0" y="4" width="10" height="32" rx="1.5" fill="#1F2A37"/>
+    <rect x="24" y="4" width="10" height="32" rx="1.5" fill="#1F2A37"/>
+    <rect x="12" y="17" width="10" height="19" rx="1.5" fill="#0EA5A4"/>
+  </g>
+  <text x="55" y="42" fill="#1F2A37" font-family="'Inter', sans-serif" font-weight="800" font-size="32" letter-spacing="-0.04em" text-anchor="start">WLKNS</text>
+  <rect x="188" y="27" width="6" height="6" rx="1" fill="#4B5563"/>
+  
+  <!-- AI: Teal -->
+  <text x="206" y="42" fill="#0EA5A4" font-family="'Inter', sans-serif" font-weight="800" font-size="32" letter-spacing="-0.04em" text-anchor="start">AI</text>
+  
+  <!-- Underline: Teal -->
+  <rect x="56" y="48" width="186" height="4" rx="1" fill="#0EA5A4"/>
+</svg>