fix: Neubewertungs-Button im Explorer hinzugefügt

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

@@ -1,6 +1,6 @@
 <script lang="ts">
 	import { onMount } from 'svelte';
-	import { fetchKetten, fetchKette, fetchVorlage, type KetteKurz, type KetteDetail, type VorlageDetail, type Paginated } from '$lib/api';
+	import { fetchKetten, fetchKette, fetchVorlage, reevalVorlage, fetchJobStatus, type KetteKurz, type KetteDetail, type VorlageDetail, type Paginated } from '$lib/api';
 	import { formatDate, typLabel } from '$lib/status';
 	import { filters, mergeFilterParams, filterVersion } from '$lib/filters.svelte';
 	import Ampel from '$lib/components/Ampel.svelte';
@@ -31,6 +31,40 @@
 	let mobileTab = $state<'liste' | 'kette' | 'detail'>('liste');
 	let showVolltext = $state(false);
 	let showVersionen = $state(false);
+	let showReeval = $state(false);
+	let reevalAnmerkung = $state('');
+	let reevalStatus = $state<'idle' | 'running' | 'done' | 'error'>('idle');
+	let reevalError = $state('');
+
+	async function triggerReeval() {
+		if (!selectedVorlage) return;
+		reevalStatus = 'running';
+		reevalError = '';
+		try {
+			const { job_id } = await reevalVorlage(selectedVorlage.id, reevalAnmerkung);
+			for (let i = 0; i < 60; i++) {
+				await new Promise(r => setTimeout(r, 3000));
+				const status = await fetchJobStatus(job_id);
+				if (status.status === 'done') {
+					reevalStatus = 'done';
+					selectedVorlage = await fetchVorlage(selectedVorlage!.id);
+					showReeval = false;
+					reevalAnmerkung = '';
+					return;
+				}
+				if (status.status === 'error') {
+					reevalStatus = 'error';
+					reevalError = status.error || 'Unbekannter Fehler';
+					return;
+				}
+			}
+			reevalStatus = 'error';
+			reevalError = 'Timeout nach 3 Minuten';
+		} catch (e) {
+			reevalStatus = 'error';
+			reevalError = e instanceof Error ? e.message : 'Fehler';
+		}
+	}
 
 	const STRANG_TABS = [
 		{ value: '', label: 'Alle' },
@@ -489,6 +523,44 @@
 					</div>
 				{/if}
 
+				<!-- Neu bewerten -->
+				<div class="rounded-xl border border-gray-200 p-4">
+					{#if !showReeval}
+						<button onclick={() => showReeval = true}
+							class="text-sm text-green-600 hover:text-green-800 font-medium flex items-center gap-1.5">
+							<span>🔄</span> Neu bewerten lassen
+						</button>
+					{:else}
+						<h3 class="text-sm font-semibold text-gray-900 mb-2">KI-Neubewertung anstoßen</h3>
+						<textarea bind:value={reevalAnmerkung} placeholder="Anmerkungen für die KI (optional)"
+							class="w-full border border-gray-300 rounded-lg px-3 py-2 text-sm mb-3 h-20 resize-y focus:ring-2 focus:ring-green-500"
+							disabled={reevalStatus === 'running'}></textarea>
+						<div class="flex gap-2 items-center">
+							<button onclick={triggerReeval} disabled={reevalStatus === 'running'}
+								class="bg-green-600 text-white px-4 py-2 rounded-lg text-sm font-medium hover:bg-green-700 disabled:opacity-50 transition-colors">
+								{#if reevalStatus === 'running'}
+									<span class="inline-flex items-center gap-2">
+										<span class="animate-spin h-4 w-4 border-2 border-white border-t-transparent rounded-full"></span>
+										KI bewertet…
+									</span>
+								{:else}
+									Bewertung starten
+								{/if}
+							</button>
+							{#if reevalStatus !== 'running'}
+								<button onclick={() => { showReeval = false; reevalStatus = 'idle'; }}
+									class="text-sm text-gray-500 hover:text-gray-700">Abbrechen</button>
+							{/if}
+						</div>
+						{#if reevalStatus === 'done'}
+							<p class="mt-2 text-sm text-green-700 font-medium">✅ Bewertung aktualisiert!</p>
+						{/if}
+						{#if reevalStatus === 'error'}
+							<p class="mt-2 text-sm text-red-600">❌ {reevalError}</p>
+						{/if}
+					{/if}
+				</div>
+
 				<!-- Volltext -->
 				{#if selectedVorlage.volltext_clean}
 					<div class="rounded-xl border border-gray-200 p-5">