refactor: align codebase with EventCrew domain and trim legacy band stack

- Update API: events, users, policies, routes, resources, migrations
- Remove deprecated models/resources (customers, setlists, invitations, etc.)
- Refresh admin app and docs; remove apps/band

Made-with: Cursor

apps/app/src/@layouts/components/VerticalNavSectionTitle.vue

@@ -0,0 +1,37 @@
+<script lang="ts" setup>
+import { layoutConfig } from '@layouts'
+import { can } from '@layouts/plugins/casl'
+import { useLayoutConfigStore } from '@layouts/stores/config'
+import type { NavSectionTitle } from '@layouts/types'
+import { getDynamicI18nProps } from '@layouts/utils'
+
+defineProps<{
+  item: NavSectionTitle
+}>()
+
+const configStore = useLayoutConfigStore()
+const shallRenderIcon = configStore.isVerticalNavMini()
+</script>
+
+<template>
+  <li
+    v-if="can(item.action, item.subject)"
+    class="nav-section-title"
+  >
+    <div class="title-wrapper">
+      <Transition
+        name="vertical-nav-section-title"
+        mode="out-in"
+      >
+        <Component
+          :is="shallRenderIcon ? layoutConfig.app.iconRenderer : layoutConfig.app.i18n.enable ? 'i18n-t' : 'span'"
+          :key="shallRenderIcon"
+          :class="shallRenderIcon ? 'placeholder-icon' : 'title-text'"
+          v-bind="{ ...layoutConfig.icons.sectionTitlePlaceholder, ...getDynamicI18nProps(item.heading, 'span') }"
+        >
+          {{ !shallRenderIcon ? item.heading : null }}
+        </Component>
+      </Transition>
+    </div>
+  </li>
+</template>