Ship Track G UX, multi-shell terminals, Swarm default-on, install.peardock.boats

Probe bash/sh/ash and related shells until a container terminal works, enable Swarm APIs by default, add keyboard go-chords and appearance prefs, and point install docs at https://install.peardock.boats.

test/visual-structure.test.js

@@ -27,6 +27,10 @@ const REQUIRED_IDS = [
   'stack-git-url',
   'tunnel-create-btn',
   'swarm-services-body',
+  'settings-density',
+  'settings-accent',
+  'settings-reduce-motion',
+  'settings-open-shortcuts',
 ]
 
 const REQUIRED_SNIPPETS = [
@@ -37,6 +41,8 @@ const REQUIRED_SNIPPETS = [
   'GitOps',
   'collapse-sidebar-btn',
   'open-add-connection-btn',
+  'settings-refresh-stamp',
+  'value="spacious"',
 ]
 
 test('index.html retains critical view landmarks', (t) => {
@@ -56,3 +62,19 @@ test('modern.css includes collapsed sidebar rail rules', (t) => {
   t.ok(css.includes('#sidebar.collapsed'))
   t.ok(css.includes('icon') || css.includes('nav-link'))
 })
+
+test('modern.css includes Track G UX chrome', (t) => {
+  const css = fs.readFileSync(path.join(root, 'ui/modern.css'), 'utf8')
+  t.ok(css.includes('.pd-scroll-top'))
+  t.ok(css.includes('.pd-refresh-stamp'))
+  t.ok(css.includes("data-density='spacious'") || css.includes('data-density=spacious') || css.includes("data-density='spacious'"))
+  t.ok(css.includes("data-accent='violet'") || css.includes('data-accent'))
+})
+
+test('track-g-ux.js exports shortcuts and go-map', (t) => {
+  const src = fs.readFileSync(path.join(root, 'ui/track-g-ux.js'), 'utf8')
+  t.ok(src.includes('openShortcutsModal'))
+  t.ok(src.includes('focusListSearch'))
+  t.ok(src.includes('initTrackGUx'))
+  t.ok(src.includes("c: 'containers'"))
+})