feat(observability): phases 4-7 - complete frontend UI (big bang)
Add all frontend pages for observability & proxy management: - Proxy Viewer: /proxies with grouped view, filtering, health indicators - Proxy Creation: form with live validation, diagnostic hints, edit/delete - Stale Containers: /containers/stale with dashboard widget, cleanup actions - Event Log: /events with filters, pagination, real-time SSE streaming - Navigation: proxies and events links in sidebar - i18n: full EN/RU translations for all new features - Settings: stale threshold configuration
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<!--
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Phase 4: Unified Proxy Viewer — shows all proxies (managed + standalone)
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with grouping, filtering, and real-time health indicators.
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-->
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<script lang="ts">
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import { onMount } from 'svelte';
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import type { ProxyView, ProxyHealthStatus } from '$lib/types';
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import { listAllProxies } from '$lib/api';
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import { t } from '$lib/i18n';
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import ProxyCard from '$lib/components/ProxyCard.svelte';
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import ProxyGroup from '$lib/components/ProxyGroup.svelte';
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import ProxyFilter from '$lib/components/ProxyFilter.svelte';
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import EmptyState from '$lib/components/EmptyState.svelte';
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import { IconGlobe, IconLoader } from '$lib/components/icons';
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let proxies = $state<ProxyView[]>([]);
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let loading = $state(true);
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let error = $state('');
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// Filter state
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let search = $state('');
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let healthFilter = $state<ProxyHealthStatus | 'all'>('all');
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let typeFilter = $state<'all' | 'managed' | 'standalone'>('all');
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// Filtered proxies
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const filtered = $derived(() => {
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let result = proxies;
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// Text search
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if (search.length > 0) {
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const q = search.toLowerCase();
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result = result.filter(
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(p) =>
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p.domain.toLowerCase().includes(q) ||
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p.destination.toLowerCase().includes(q)
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);
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}
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// Health filter
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if (healthFilter !== 'all') {
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result = result.filter((p) => p.health_status === healthFilter);
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}
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// Type filter
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if (typeFilter !== 'all') {
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result = result.filter((p) => p.type === typeFilter);
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}
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return result;
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});
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// Split into standalone and managed
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const standaloneProxies = $derived(filtered().filter((p) => p.type === 'standalone'));
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const managedProxies = $derived(filtered().filter((p) => p.type === 'managed'));
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// Group managed proxies by project, then stage within each project
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interface StageGroup {
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stageName: string;
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proxies: ProxyView[];
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}
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interface ProjectGroup {
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projectName: string;
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stages: StageGroup[];
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totalCount: number;
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}
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const managedGroups = $derived<ProjectGroup[]>(() => {
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const projectMap = new Map<string, Map<string, ProxyView[]>>();
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for (const proxy of managedProxies) {
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const projName = proxy.project_name ?? 'Unknown';
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const stageName = proxy.stage_name ?? 'default';
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if (!projectMap.has(projName)) {
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projectMap.set(projName, new Map());
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}
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const stageMap = projectMap.get(projName)!;
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if (!stageMap.has(stageName)) {
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stageMap.set(stageName, []);
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}
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stageMap.get(stageName)!.push(proxy);
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}
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const groups: ProjectGroup[] = [];
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for (const [projectName, stageMap] of projectMap) {
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const stages: StageGroup[] = [];
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let totalCount = 0;
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for (const [stageName, stageProxies] of stageMap) {
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stages.push({ stageName, proxies: stageProxies });
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totalCount += stageProxies.length;
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}
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groups.push({ projectName, stages, totalCount });
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}
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return groups.sort((a, b) => a.projectName.localeCompare(b.projectName));
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});
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function clearFilters(): void {
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search = '';
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healthFilter = 'all';
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typeFilter = 'all';
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}
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async function loadProxies(): Promise<void> {
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loading = true;
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error = '';
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try {
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proxies = await listAllProxies();
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} catch (err: unknown) {
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error = err instanceof Error ? err.message : 'Failed to load proxies';
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} finally {
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loading = false;
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}
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}
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onMount(() => {
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loadProxies();
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});
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</script>
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<svelte:head>
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<title>{$t('proxies.title')} - {$t('app.name')}</title>
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</svelte:head>
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<!-- Header -->
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<div class="mb-6 flex flex-col gap-4 sm:flex-row sm:items-center sm:justify-between">
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<div class="flex items-center gap-3">
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<div class="flex h-10 w-10 items-center justify-center rounded-xl bg-[var(--color-brand-50)] text-[var(--color-brand-600)]">
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<IconGlobe size={22} />
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</div>
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<div>
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<h1 class="text-xl font-bold text-[var(--text-primary)]">{$t('proxies.title')}</h1>
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{#if !loading && proxies.length > 0}
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<p class="text-sm text-[var(--text-tertiary)]">
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{proxies.length} {proxies.length === 1 ? 'proxy' : 'proxies'}
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</p>
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{/if}
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</div>
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</div>
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<a
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href="/proxies/create"
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class="inline-flex items-center gap-2 rounded-lg bg-[var(--color-brand-600)] px-4 py-2.5 text-sm font-medium text-white shadow-sm transition-all duration-150 hover:bg-[var(--color-brand-700)] active:animate-press"
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>
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<svg class="h-4 w-4" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round">
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<path d="M5 12h14" /><path d="M12 5v14" />
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</svg>
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{$t('proxies.create')}
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</a>
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</div>
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<!-- Loading state -->
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{#if loading}
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<div class="flex items-center justify-center py-20">
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<IconLoader size={24} class="animate-spin text-[var(--color-brand-500)]" />
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<span class="ml-2 text-sm text-[var(--text-secondary)]">{$t('common.loading')}</span>
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</div>
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{:else if error}
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<!-- Error state -->
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<div class="rounded-xl border border-red-200 bg-red-50 p-6 text-center dark:border-red-900 dark:bg-red-950">
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<p class="text-sm text-red-700 dark:text-red-300">{error}</p>
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<button
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type="button"
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onclick={loadProxies}
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class="mt-3 rounded-lg bg-red-600 px-4 py-2 text-sm font-medium text-white hover:bg-red-700 transition-colors"
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>
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{$t('common.retry')}
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</button>
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</div>
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{:else if proxies.length === 0}
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<!-- Empty state -->
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<EmptyState
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title={$t('proxies.noProxies')}
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description={$t('proxies.noProxiesDesc')}
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actionLabel={$t('proxies.create')}
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actionHref="/proxies/create"
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icon="projects"
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/>
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{:else}
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<!-- Filter bar -->
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<div class="mb-6">
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<ProxyFilter
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{search}
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{healthFilter}
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{typeFilter}
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onsearchchange={(v) => { search = v; }}
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onhealthchange={(v) => { healthFilter = v; }}
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ontypechange={(v) => { typeFilter = v; }}
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onclear={clearFilters}
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/>
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</div>
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<!-- No filter results -->
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{#if filtered().length === 0}
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<div class="rounded-xl border-2 border-dashed border-[var(--border-primary)] px-6 py-16 text-center">
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<p class="text-sm text-[var(--text-secondary)]">{$t('proxies.noProxies')}</p>
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<button
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type="button"
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onclick={clearFilters}
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class="mt-3 text-sm font-medium text-[var(--color-brand-600)] hover:text-[var(--color-brand-700)] transition-colors"
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>
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{$t('proxies.filter.clear')}
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</button>
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</div>
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{:else}
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<div class="space-y-6">
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<!-- Standalone proxies section -->
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{#if standaloneProxies.length > 0}
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<ProxyGroup title={$t('proxies.standalone')} count={standaloneProxies.length}>
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{#each standaloneProxies as proxy (proxy.id)}
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<ProxyCard {proxy} />
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{/each}
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</ProxyGroup>
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{/if}
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<!-- Managed proxies grouped by project -->
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{#if managedGroups().length > 0}
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{#each managedGroups() as group (group.projectName)}
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<ProxyGroup title={group.projectName} count={group.totalCount}>
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{#each group.stages as stage (stage.stageName)}
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{#if group.stages.length > 1}
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<div class="col-span-full">
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<p class="mb-2 text-xs font-semibold uppercase tracking-wider text-[var(--text-tertiary)]">
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{stage.stageName}
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</p>
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</div>
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{/if}
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{#each stage.proxies as proxy (proxy.id)}
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<ProxyCard {proxy} />
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{/each}
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{/each}
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</ProxyGroup>
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{/each}
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{/if}
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</div>
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{/if}
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{/if}
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