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/deploy/+page.svelte

@@ -1,6 +1,6 @@
 <script lang="ts">
-	import { inspectImage, quickDeploy } from '$lib/api';
-	import type { InspectResult } from '$lib/types';
+	import { inspectImage, quickDeploy, listRegistries, listRegistryImages } from '$lib/api';
+	import type { InspectResult, Registry, RegistryImage } from '$lib/types';
 	import FormField from '$lib/components/FormField.svelte';
 	import { toasts } from '$lib/stores/toast';
 	import { t } from '$lib/i18n';
@@ -21,6 +21,44 @@
 
 	let errors = $state<Record<string, string>>({});
 
+	// Image browser state
+	let showImageBrowser = $state(false);
+	let browseImages = $state<(RegistryImage & { registryName: string })[]>([]);
+	let browseLoading = $state(false);
+
+	async function handleBrowseImages() {
+		showImageBrowser = !showImageBrowser;
+		if (!showImageBrowser) return;
+
+		browseLoading = true;
+		browseImages = [];
+		try {
+			const registries = await listRegistries();
+			const allImages: (RegistryImage & { registryName: string })[] = [];
+			for (const reg of registries) {
+				if (!reg.owner) continue;
+				try {
+					const images = await listRegistryImages(reg.id);
+					for (const img of images) {
+						allImages.push({ ...img, registryName: reg.name });
+					}
+				} catch {
+					// Skip registries that fail.
+				}
+			}
+			browseImages = allImages;
+		} catch {
+			toasts.error($t('quickDeploy.imageLoadFailed'));
+		} finally {
+			browseLoading = false;
+		}
+	}
+
+	function selectBrowsedImage(image: RegistryImage & { registryName: string }) {
+		imageUrl = image.full_ref + ':latest';
+		showImageBrowser = false;
+	}
+
 	function validateImageUrl(url: string): string {
 		if (!url.trim()) return $t('validation.required', { field: 'Image URL' });
 		if (!/^[a-zA-Z0-9._\-/]+:[a-zA-Z0-9._\-]+$/.test(url.trim())) {
@@ -137,7 +175,15 @@
 					disabled={inspecting}
 				/>
 			</div>
-			<div class="flex items-end">
+			<div class="flex items-end gap-2">
+				<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} />
+					{$t('quickDeploy.browseImages')}
+				</button>
 				<button
 					onclick={handleInspect}
 					disabled={inspecting || !imageUrl.trim()}
@@ -153,6 +199,34 @@
 				</button>
 			</div>
 		</div>
+		{#if showImageBrowser}
+			<div class="mt-3 rounded-lg border border-[var(--border-primary)] bg-[var(--surface-card)] p-3 shadow-[var(--shadow-md)] max-h-60 overflow-y-auto animate-scale-in">
+				{#if browseLoading}
+					<div class="flex items-center gap-2 py-2 text-sm text-[var(--text-secondary)]">
+						<IconLoader size={14} />
+						{$t('quickDeploy.loadingImages')}
+					</div>
+				{:else if browseImages.length === 0}
+					<p class="text-sm text-[var(--text-tertiary)]">{$t('quickDeploy.noImages')}</p>
+				{:else}
+					<p class="mb-2 text-xs font-medium text-[var(--text-tertiary)]">{$t('quickDeploy.selectImage')}</p>
+					<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>
 
 	<!-- Step 2 -->