Read research ID from SvelteKit route params

src/routes/research/[id]/+page.svelte

@@ -1,5 +1,6 @@
 <script lang="ts">
     import { onDestroy, onMount } from 'svelte';
+    import { page } from '$app/stores';
     import { getResearchStatus, getResearchDetail, stopResearch, deleteResearch } from '$lib/research-api';
     import { getApiKey } from '$lib/auth';
     import { pollingInterval, pollingActive } from '$lib/stores';
@@ -16,7 +17,7 @@
     import { errorBanners } from '$lib/components/ErrorBannerStore';
     import type { ErrorType } from '$lib/components/ErrorBannerStore';
 
-    export let researchId: string;
+    $: researchId = $page.params.id;
 
     let detail: ResearchDetail | null = null;
     let statusText = '';