feat: complete Phase 1 foundation hardening + three-mode UI design doc

Phase 1a — Gradient Removal:
- Replaced all gradient-button/gradient-card with glass-button/path-option-card
- Removed banned gradient CSS classes

Phase 1b — Security Hardening:
- SecretsManager: AES-256-GCM encryption (core/security)
- electrs_status: credentials from env vars instead of hardcoded
- port_manager: RwLock proper error handling (no unwrap)
- Pinned all 11 :latest manifest images to specific versions
- parmanode converter: pinned inferred image versions

Phase 1c — Code Quality:
- Split rpc.rs (1795 lines) into 6 handler modules (auth, node, container, package, peers)
- Removed sideload code (UI, store, RPC client, 3 doc files)
- Fixed body background flash on logout/refresh
- Replaced 30 TypeScript `any` types with proper types
- Deleted HelloWorld.vue, removed TODO comments
- Added set -euo pipefail to all shell scripts
- Made deploy script verbose with timestamps and elapsed time

Also adds:
- CLAUDE.md project guide
- docs/three-mode-ui-design.md — design spec for Easy/Pro/Chat UI modes
- OnlineStatusPill component

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

neode-ui/src/views/MarketplaceAppDetails.vue

@@ -73,7 +73,7 @@
             <button
               v-if="isInstalled"
               @click="goToInstalledApp"
-              class="gradient-button px-6 py-2.5 rounded-lg text-sm font-semibold flex items-center gap-2"
+              class="glass-button glass-button-sm px-6 py-2.5 rounded-lg text-sm font-semibold flex items-center gap-2"
             >
               <svg class="w-4 h-4" fill="none" stroke="currentColor" viewBox="0 0 24 24">
                 <path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M10 6H6a2 2 0 00-2 2v10a2 2 0 002 2h10a2 2 0 002-2v-4M14 4h6m0 0v6m0-6L10 14" />
@@ -84,7 +84,7 @@
               v-else
               @click="installApp"
               :disabled="installing || !app.manifestUrl"
-              class="gradient-button px-6 py-2.5 rounded-lg text-sm font-semibold flex items-center gap-2 disabled:opacity-50 disabled:cursor-not-allowed"
+              class="glass-button glass-button-sm px-6 py-2.5 rounded-lg text-sm font-semibold flex items-center gap-2 disabled:opacity-50 disabled:cursor-not-allowed"
             >
               <svg v-if="installing" class="animate-spin h-4 w-4" xmlns="http://www.w3.org/2000/svg" fill="none" viewBox="0 0 24 24">
                 <circle class="opacity-25" cx="12" cy="12" r="10" stroke="currentColor" stroke-width="4"></circle>
@@ -138,7 +138,7 @@
             <button
               v-if="isInstalled"
               @click="goToInstalledApp"
-              class="gradient-button px-4 py-2.5 rounded-lg text-sm font-semibold flex items-center justify-center gap-2"
+              class="glass-button glass-button-sm px-4 py-2.5 rounded-lg text-sm font-semibold flex items-center justify-center gap-2"
             >
               <svg class="w-4 h-4" fill="none" stroke="currentColor" viewBox="0 0 24 24">
                 <path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M10 6H6a2 2 0 00-2 2v10a2 2 0 002 2h10a2 2 0 002-2v-4M14 4h6m0 0v6m0-6L10 14" />
@@ -149,7 +149,7 @@
               v-else
               @click="installApp"
               :disabled="installing || !app.manifestUrl"
-              class="gradient-button px-4 py-2.5 rounded-lg text-sm font-semibold flex items-center justify-center gap-2 disabled:opacity-50 disabled:cursor-not-allowed col-span-2"
+              class="glass-button glass-button-sm px-4 py-2.5 rounded-lg text-sm font-semibold flex items-center justify-center gap-2 disabled:opacity-50 disabled:cursor-not-allowed col-span-2"
             >
               <svg v-if="installing" class="animate-spin h-4 w-4" xmlns="http://www.w3.org/2000/svg" fill="none" viewBox="0 0 24 24">
                 <circle class="opacity-25" cx="12" cy="12" r="10" stroke="currentColor" stroke-width="4"></circle>
@@ -330,7 +330,7 @@ import { ref, computed, onMounted, onBeforeUnmount } from 'vue'
 import { useRouter, useRoute } from 'vue-router'
 import { useAppStore } from '../stores/app'
 import { rpcClient } from '../api/rpc-client'
-import { useMarketplaceApp } from '../composables/useMarketplaceApp'
+import { useMarketplaceApp, type MarketplaceAppInfo } from '../composables/useMarketplaceApp'
 import { useMobileBackButton } from '../composables/useMobileBackButton'
 
 const { bottomPosition } = useMobileBackButton()
@@ -340,7 +340,7 @@ const route = useRoute()
 const store = useAppStore()
 const { getCurrentApp } = useMarketplaceApp()
 
-const app = ref<any>(null)
+const app = ref<MarketplaceAppInfo | null>(null)
 const installing = ref(false)
 const installError = ref<string | null>(null)
 const loading = ref(true)
@@ -481,8 +481,8 @@ async function installApp() {
     await new Promise(resolve => setTimeout(resolve, 1000))
 
     router.push(`/dashboard/apps/${appId.value}`).catch(() => {})
-  } catch (err: any) {
-    installError.value = err.message || 'Installation failed. Please try again.'
+  } catch (err: unknown) {
+    installError.value = err instanceof Error ? err.message : 'Installation failed. Please try again.'
     console.error('[MarketplaceAppDetails] Failed to install app:', err)
   } finally {
     installing.value = false