feat(04-03): install Svelecte and add tag support to load/actions

- Install svelecte package for tag input with autocomplete
- Import tagRepository in +page.server.ts
- Attach tags to entries in load function alongside images
- Return allTags for autocomplete suggestions
- Add updateTags action to update entry tags via JSON payload

src/routes/+page.server.ts

@@ -1,6 +1,6 @@
 import type { PageServerLoad, Actions } from './$types';
 import { fail } from '@sveltejs/kit';
-import { entryRepository, imageRepository } from '$lib/server/db/repository';
+import { entryRepository, imageRepository, tagRepository } from '$lib/server/db/repository';
 import {
 	saveOriginal,
 	saveThumbnail,
@@ -13,14 +13,19 @@ export const load: PageServerLoad = async ({ url }) => {
 	const showCompleted = url.searchParams.get('showCompleted') === 'true';
 	const entries = entryRepository.getOrdered({ showCompleted });
 
-	// Attach images to each entry
-	const entriesWithImages = entries.map((entry) => ({
+	// Attach images AND tags to each entry
+	const entriesWithData = entries.map((entry) => ({
 		...entry,
-		images: imageRepository.getByEntryId(entry.id)
+		images: imageRepository.getByEntryId(entry.id),
+		tags: tagRepository.getByEntryId(entry.id)
 	}));
 
+	// Get all tags for autocomplete
+	const allTags = tagRepository.getAll();
+
 	return {
-		entries: entriesWithImages,
+		entries: entriesWithData,
+		allTags,
 		showCompleted
 	};
 };
@@ -260,5 +265,28 @@ export const actions: Actions = {
 		entryRepository.update(id, { dueDate: dueDate || null });
 
 		return { success: true };
+	},
+
+	updateTags: async ({ request }) => {
+		const formData = await request.formData();
+		const id = formData.get('id')?.toString();
+		const tagsJson = formData.get('tags')?.toString() || '[]';
+
+		if (!id) {
+			return fail(400, { error: 'Entry ID is required' });
+		}
+
+		const existing = entryRepository.getById(id);
+		if (!existing) {
+			return fail(404, { error: 'Entry not found' });
+		}
+
+		try {
+			const tagNames = JSON.parse(tagsJson) as string[];
+			tagRepository.updateEntryTags(id, tagNames);
+			return { success: true };
+		} catch {
+			return fail(400, { error: 'Invalid tags format' });
+		}
 	}
 };