Add rename option for locations with inline edit

Pencil icon on each location opens inline form to edit name and
description. Saves via rename action, cancel to discard.

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

src/routes/(app)/locations/+page.server.ts

@@ -68,6 +68,20 @@ export const actions: Actions = {
 		return { created: true };
 	},
 
+	rename: async ({ request }) => {
+		const formData = await request.formData();
+		const id = formData.get('id') as string;
+		const name = (formData.get('name') as string)?.trim();
+		const description = (formData.get('description') as string)?.trim();
+		if (!name) return fail(400, { error: 'Name is required' });
+
+		await db
+			.update(locations)
+			.set({ name, description: description || null, updatedAt: new Date() })
+			.where(eq(locations.id, id));
+		return { renamed: true };
+	},
+
 	delete: async ({ request }) => {
 		const formData = await request.formData();
 		const id = formData.get('id') as string;