feat(ui): render every application template except the loading screen as a Vue view

The scene chrome, cockpit, Display controls, command dock, layer panels,
Context rail, welcome card and Provider Settings move verbatim into
src/ui/views and mount into their hosts before the page is translated and
wired. Each view renders the same elements, attributes and text as its
template; Vue keeps whitespace between elements as one space, and no view
markup sits under a white-space: pre rule.

Template asset URLs stay literal, view files are left out of Prettier so
the markup is not reflowed, and the Node component loader moves to build/
and is exported as build/register-vue for host test runners. Hosts that do
not initialize Core's locale pass localePicker: false instead of editing
the markup.

src/hudA11y.test.mjs

@@ -24,7 +24,7 @@ test('HUD sliders and location search have descriptive explicit names', () => {
 test('the first-run checkbox keeps its native visible label', () => {
   // The span may carry a data-i18n extraction attribute; the native wrapping
   // label contract is what this guards.
-  assert.match(html, /<label\b[^>]*class="first-run-suppress"[^>]*>\s*<input type="checkbox" data-first-run-suppress \/>\s*<span\b[^>]*>Don't show this again<\/span>\s*<\/label>/);
+  assert.match(html, /<label\b[^>]*class="first-run-suppress"[^>]*>\s*<input type="checkbox" data-first-run-suppress\s*\/?>\s*<span\b[^>]*>Don't show this again<\/span>\s*<\/label>/);
 });
 
 test('generated style sliders use the visible parameter label as their name', () => {