residual fixes

src/lib/components/AddRepositoryModal.svelte

@@ -67,6 +67,7 @@
 		<div class="mb-5 flex items-center justify-between">
 			<h2 class="text-lg font-semibold text-gray-900">Add Repository</h2>
 			<button
+				type="button"
 				onclick={onClose}
 				class="rounded-lg p-1 text-gray-400 hover:bg-gray-100 hover:text-gray-600"
 				aria-label="Close"
@@ -81,6 +82,7 @@
 
 		<div class="mb-5 flex gap-2">
 			<button
+				type="button"
 				class="flex-1 rounded-lg py-2 text-sm transition-colors {source === 'github'
 					? 'bg-blue-600 text-white'
 					: 'border border-gray-200 text-gray-700 hover:bg-gray-50'}"
@@ -89,6 +91,7 @@
 				GitHub
 			</button>
 			<button
+				type="button"
 				class="flex-1 rounded-lg py-2 text-sm transition-colors {source === 'local'
 					? 'bg-blue-600 text-white'
 					: 'border border-gray-200 text-gray-700 hover:bg-gray-50'}"
@@ -151,12 +154,14 @@
 
 		<div class="mt-6 flex justify-end gap-3">
 			<button
+				type="button"
 				onclick={onClose}
 				class="rounded-lg border border-gray-200 px-4 py-2 text-sm text-gray-700 hover:bg-gray-50"
 			>
 				Cancel
 			</button>
 			<button
+				type="button"
 				onclick={handleSubmit}
 				disabled={loading || !sourceUrl.trim()}
 				class="rounded-lg bg-blue-600 px-4 py-2 text-sm text-white hover:bg-blue-700 disabled:cursor-not-allowed disabled:opacity-50"

src/lib/components/RepositoryCard.svelte

@@ -67,6 +67,7 @@
 
 	<div class="mt-4 flex flex-wrap gap-2">
 		<button
+			type="button"
 			onclick={() => onReindex(repo.id)}
 			class="rounded-lg bg-blue-600 px-3 py-1.5 text-sm text-white hover:bg-blue-700 disabled:cursor-not-allowed disabled:opacity-50"
 			disabled={repo.state === 'indexing'}
@@ -80,6 +81,7 @@
 			Details
 		</a>
 		<button
+			type="button"
 			onclick={() => onDelete(repo.id)}
 			class="ml-auto rounded-lg px-3 py-1.5 text-sm text-red-600 hover:bg-red-50"
 		>