feat: auto-discover container images from registries

- Add ListImages() to registry interface, implement for Gitea
- Add owner field to registry config (needed for Gitea packages API)
- GET /api/registries/:id/images endpoint
- "Browse Images" button on Projects and Quick Deploy pages
- Image dropdown with registry grouping and search
- i18n support (EN/RU) for all new UI strings

web/src/routes/projects/+page.svelte

@@ -1,8 +1,8 @@
 <script lang="ts">
-	import type { Project } from '$lib/types';
+	import type { Project, Registry, RegistryImage } from '$lib/types';
 	import * as api from '$lib/api';
 	import { t } from '$lib/i18n';
-	import { IconPlus } from '$lib/components/icons';
+	import { IconPlus, IconSearch, IconLoader } from '$lib/components/icons';
 	import FormField from '$lib/components/FormField.svelte';
 	import SkeletonTable from '$lib/components/SkeletonTable.svelte';
 	import EmptyState from '$lib/components/EmptyState.svelte';
@@ -20,6 +20,48 @@
 	let formSubmitting = $state(false);
 	let formError = $state('');
 
+	// Image browser state
+	let showImageBrowser = $state(false);
+	let registries = $state<Registry[]>([]);
+	let browseImages = $state<(RegistryImage & { registryName: string })[]>([]);
+	let browseLoading = $state(false);
+	let browseError = $state('');
+
+	async function handleBrowseImages() {
+		showImageBrowser = !showImageBrowser;
+		if (!showImageBrowser) return;
+
+		browseLoading = true;
+		browseError = '';
+		browseImages = [];
+		try {
+			registries = await api.listRegistries();
+			const allImages: (RegistryImage & { registryName: string })[] = [];
+			for (const reg of registries) {
+				if (!reg.owner) continue;
+				try {
+					const images = await api.listRegistryImages(reg.id);
+					for (const img of images) {
+						allImages.push({ ...img, registryName: reg.name });
+					}
+				} catch {
+					// Skip registries that fail (e.g., no owner configured).
+				}
+			}
+			browseImages = allImages;
+		} catch (e) {
+			browseError = e instanceof Error ? e.message : $t('projects.imageLoadFailed');
+		} finally {
+			browseLoading = false;
+		}
+	}
+
+	function selectBrowsedImage(image: RegistryImage & { registryName: string }) {
+		formImage = image.full_ref;
+		formRegistry = image.registryName;
+		showImageBrowser = false;
+	}
+
 	async function loadProjects() {
 		loading = true;
 		error = '';
@@ -97,7 +139,50 @@
 
 			<div class="mt-4 grid grid-cols-1 gap-4 sm:grid-cols-2">
 				<FormField label="{$t('projects.name')} *" name="name" bind:value={formName} placeholder="my-web-app" required />
-				<FormField label="{$t('projects.image')} *" name="image" bind:value={formImage} placeholder="registry.example.com/org/app" required />
+				<div class="flex flex-col gap-1.5">
+					<div class="flex items-end gap-2">
+						<div class="flex-1">
+							<FormField label="{$t('projects.image')} *" name="image" bind:value={formImage} placeholder="registry.example.com/org/app" required />
+						</div>
+						<button
+							type="button"
+							onclick={handleBrowseImages}
+							class="inline-flex items-center gap-1.5 rounded-lg border border-[var(--border-primary)] px-3 py-2 text-sm font-medium text-[var(--text-secondary)] hover:bg-[var(--surface-card-hover)] transition-colors"
+						>
+							<IconSearch size={14} />
+							{$t('projects.browseImages')}
+						</button>
+					</div>
+					{#if showImageBrowser}
+						<div class="rounded-lg border border-[var(--border-primary)] bg-[var(--surface-card)] p-3 shadow-[var(--shadow-md)] max-h-60 overflow-y-auto animate-scale-in">
+							{#if browseLoading}
+								<div class="flex items-center gap-2 py-2 text-sm text-[var(--text-secondary)]">
+									<IconLoader size={14} />
+									{$t('projects.loadingImages')}
+								</div>
+							{:else if browseError}
+								<p class="text-sm text-[var(--color-danger)]">{browseError}</p>
+							{:else if browseImages.length === 0}
+								<p class="text-sm text-[var(--text-tertiary)]">{$t('projects.noImages')}</p>
+							{:else}
+								<ul class="space-y-1">
+									{#each browseImages as image}
+										<li>
+											<button
+												type="button"
+												onclick={() => selectBrowsedImage(image)}
+												class="w-full rounded-md px-3 py-2 text-left text-sm hover:bg-[var(--surface-card-hover)] transition-colors"
+											>
+												<span class="font-medium text-[var(--text-primary)]">{image.full_ref}</span>
+												<span class="ml-2 text-xs text-[var(--text-tertiary)]">({image.registryName})</span>
+											</button>
+										</li>
+									{/each}
+								</ul>
+							{/if}
+						</div>
+					{/if}
+				</div>
 				<FormField label={$t('projects.registry')} name="registry" bind:value={formRegistry} placeholder="gitea" />
 				<FormField label={$t('projects.port')} name="port" type="number" bind:value={formPort} />
 				<div class="sm:col-span-2">