feat: cloud native file browser, settings Claude auth, deploy hardening

- Add native Cloud file browser with FileBrowser API integration
- Add cloud store, filebrowser-client, useAudioPlayer, useFileType composables
- Add Cloud components: FileGrid, FileCard, FileCardGrid, CloudToolbar
- Add Claude authentication section to Settings with OAuth status check
- Harden deploy script to preserve /aiui/ and claude-login.html
- Add nginx proxies for btcpay, homeassistant, filebrowser (HTTPS block)
- Add app configs for filebrowser, searxng, penpot in package.rs
- Update goal progress tracking with app aliases
- Improve mobile back button composable with ResizeObserver
- Update various views with cloud integration and UI refinements

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

neode-ui/src/components/cloud/FileGrid.vue

@@ -0,0 +1,77 @@
+<template>
+  <div class="flex-1 min-h-0 overflow-y-auto">
+    <!-- Loading skeleton -->
+    <div v-if="loading" :class="viewMode === 'grid' ? 'cloud-card-grid' : 'cloud-file-list'">
+      <div
+        v-for="i in 6"
+        :key="i"
+        :class="viewMode === 'grid' ? 'cloud-grid-card-skeleton' : 'cloud-file-item cloud-file-item-skeleton'"
+      >
+        <template v-if="viewMode === 'grid'">
+          <div class="aspect-square rounded-[10px] bg-white/8 animate-pulse"></div>
+        </template>
+        <template v-else>
+          <div class="cloud-file-item-thumb">
+            <div class="w-full h-full rounded-[6px] bg-white/8 animate-pulse"></div>
+          </div>
+          <div class="min-w-0 flex-1 py-0.5">
+            <div class="h-4 w-32 rounded bg-white/8 animate-pulse mb-1.5"></div>
+            <div class="h-3 w-20 rounded bg-white/5 animate-pulse"></div>
+          </div>
+        </template>
+      </div>
+    </div>
+
+    <!-- Empty state -->
+    <div v-else-if="items.length === 0" class="flex flex-col items-center justify-center py-16 text-center">
+      <svg class="w-16 h-16 text-white/10 mb-4" fill="none" stroke="currentColor" viewBox="0 0 24 24">
+        <path stroke-linecap="round" stroke-linejoin="round" stroke-width="1.5" d="M3 7v10a2 2 0 002 2h14a2 2 0 002-2V9a2 2 0 00-2-2h-6l-2-2H5a2 2 0 00-2 2z" />
+      </svg>
+      <p class="text-white/50 text-sm">This folder is empty</p>
+      <p class="text-white/30 text-xs mt-1">Upload files to get started</p>
+    </div>
+
+    <!-- Grid view -->
+    <div v-else-if="viewMode === 'grid'" class="cloud-card-grid">
+      <FileCardGrid
+        v-for="item in items"
+        :key="item.path"
+        :item="item"
+        @navigate="$emit('navigate', $event)"
+        @delete="$emit('delete', $event)"
+        @play="(path, name) => $emit('play', path, name)"
+      />
+    </div>
+
+    <!-- List view -->
+    <div v-else class="cloud-file-list">
+      <FileCard
+        v-for="item in items"
+        :key="item.path"
+        :item="item"
+        @navigate="$emit('navigate', $event)"
+        @delete="$emit('delete', $event)"
+      />
+    </div>
+  </div>
+</template>
+
+<script setup lang="ts">
+import type { FileBrowserItem } from '@/api/filebrowser-client'
+import FileCard from './FileCard.vue'
+import FileCardGrid from './FileCardGrid.vue'
+
+withDefaults(defineProps<{
+  items: FileBrowserItem[]
+  loading: boolean
+  viewMode?: 'list' | 'grid'
+}>(), {
+  viewMode: 'grid',
+})
+
+defineEmits<{
+  navigate: [path: string]
+  delete: [path: string]
+  play: [path: string, name: string]
+}>()
+</script>