style: apply prettier and gofmt

Formatting only: run prettier across the frontend and gofmt over the
backend. Fixes struct-field alignment in domain/pool.go and pre-existing
prettier drift in a few frontend files.

Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>

frontend/src/routes/files/+page.svelte

@@ -129,9 +129,7 @@
 		selectionStore.exit();
 		try {
 			await api.post('/files/bulk/review', { file_ids: ids, needs_review: false });
-			files = files.map((f) =>
-				ids.includes(f.id ?? '') ? { ...f, needs_review: false } : f
-			);
+			files = files.map((f) => (ids.includes(f.id ?? '') ? { ...f, needs_review: false } : f));
 		} catch {
 			// ignore — list already reflects the intended state optimistically
 		}
@@ -148,7 +146,8 @@
 	function handleKey(e: KeyboardEvent) {
 		if (e.key === 'Escape') {
 			if (tagEditorOpen) tagEditorOpen = false;
-			else if (poolPickerOpen) return; // PoolPicker owns Escape (clear search, then close)
+			else if (poolPickerOpen)
+				return; // PoolPicker owns Escape (clear search, then close)
 			else if (confirmDeleteFiles) confirmDeleteFiles = false;
 			else if (activeFileId) return;
 			else if ($selectionActive) selectionStore.exit();

frontend/src/routes/files/duplicates/+page.svelte

@@ -1,11 +1,7 @@
 <script lang="ts">
 	import { goto } from '$app/navigation';
 	import { api } from '$lib/api/client';
-	import {
-		getDuplicates,
-		dismissDuplicate,
-		type DuplicatePairDistance
-	} from '$lib/api/duplicates';
+	import { getDuplicates, dismissDuplicate, type DuplicatePairDistance } from '$lib/api/duplicates';
 	import Thumb from '$lib/components/file/Thumb.svelte';
 	import DuplicateMergeDialog from '$lib/components/file/DuplicateMergeDialog.svelte';
 	import FileViewer from '$lib/components/file/FileViewer.svelte';
@@ -296,7 +292,9 @@
 					{#each c.files.filter((f) => f.id !== keep) as other (other.id)}
 						{@const dist = distanceFromKeep(c, keep, other.id)}
 						<div class="actrow">
-							<span class="aname" title={other.original_name ?? ''}>{other.original_name ?? '—'}</span>
+							<span class="aname" title={other.original_name ?? ''}
+								>{other.original_name ?? '—'}</span
+							>
 							<span
 								class="dist"
 								class:unknown={dist === null}