fix: parse hashtags only on blur/submit, add tag delete UI

- Parse hashtags when content textarea loses focus (blur)
- Parse hashtags when QuickCapture form is submitted
- Add tag display with delete buttons in expanded entry view
- Remove automatic hashtag parsing during typing

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

src/routes/+page.server.ts

@@ -54,12 +54,6 @@ export const actions: Actions = {
 			type: type || 'thought'
 		});
 
-		// Parse hashtags from content and save them
-		const hashtags = parseHashtags(content);
-		if (hashtags.length > 0) {
-			tagRepository.updateEntryTags(entry.id, hashtags);
-		}
-
 		return { success: true, entryId: entry.id };
 	},
 
@@ -115,12 +109,6 @@ export const actions: Actions = {
 
 		entryRepository.update(id, updates);
 
-		// Re-parse hashtags if content changed
-		if (contentChanged && updates.content) {
-			const hashtags = parseHashtags(updates.content as string);
-			tagRepository.updateEntryTags(id, hashtags);
-		}
-
 		return { success: true };
 	},
 
@@ -303,5 +291,55 @@ export const actions: Actions = {
 		} catch {
 			return fail(400, { error: 'Invalid tags format' });
 		}
+	},
+
+	parseTags: async ({ request }) => {
+		const formData = await request.formData();
+		const id = formData.get('id')?.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' });
+		}
+
+		// Parse hashtags from current content and merge with existing tags
+		const newTags = parseHashtags(existing.content);
+		const existingTags = tagRepository.getByEntryId(id).map((t) => t.name.toLowerCase());
+		const allTags = [...new Set([...existingTags, ...newTags])];
+		tagRepository.updateEntryTags(id, allTags);
+
+		return { success: true };
+	},
+
+	removeTag: async ({ request }) => {
+		const formData = await request.formData();
+		const id = formData.get('id')?.toString();
+		const tagName = formData.get('tagName')?.toString();
+
+		if (!id) {
+			return fail(400, { error: 'Entry ID is required' });
+		}
+
+		if (!tagName) {
+			return fail(400, { error: 'Tag name is required' });
+		}
+
+		const existing = entryRepository.getById(id);
+		if (!existing) {
+			return fail(404, { error: 'Entry not found' });
+		}
+
+		// Get current tags and remove the specified one
+		const currentTags = tagRepository.getByEntryId(id).map((t) => t.name);
+		const updatedTags = currentTags.filter(
+			(t) => t.toLowerCase() !== tagName.toLowerCase()
+		);
+		tagRepository.updateEntryTags(id, updatedTags);
+
+		return { success: true };
 	}
 };