fix: resolve the key before deleting a draft from the drafts page

The page lists a live editor's draft under its chosen name, so the name has
to be resolved to a storage key now that the adapter takes one.

Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>

frontend/src/routes/(root)/(logged)/global_drafts/+page.svelte

@@ -3,7 +3,8 @@
 	import {
 		clearGlobalDrafts,
 		deleteGlobalDraft,
-		listGlobalDrafts
+		listGlobalDrafts,
+		resolveDraftTarget
 	} from '$lib/components/copilot/chat/global/userDraftAdapter'
 	import type { WorkspaceItem } from '$lib/components/copilot/chat/global/workspaceItems'
 	import { goto } from '$lib/navigation'
@@ -49,9 +50,19 @@
 		return `${item.type}:${item.triggerKind ?? '-'}:${item.path}`
 	}
 
+	// A live editor's draft is listed under its chosen name, so the key to delete has to be
+	// resolved from it; a persisted row is already listed under its storage key.
+	function draftTargetOf(item: WorkspaceItem) {
+		return resolveDraftTarget($workspaceStore!, {
+			type: item.type,
+			path: item.path,
+			triggerKind: item.triggerKind
+		})
+	}
+
 	async function deleteDraft(item: WorkspaceItem) {
 		if (!$workspaceStore) return
-		await deleteGlobalDraft($workspaceStore, item.type, item.path, item.triggerKind)
+		await deleteGlobalDraft($workspaceStore, item.type, await draftTargetOf(item), item.triggerKind)
 		refreshDrafts()
 	}
 
@@ -62,7 +73,12 @@
 		// Continue past a per-row failure so one bad delete doesn't strand the rest.
 		for (const item of [...drafts]) {
 			try {
-				await deleteGlobalDraft($workspaceStore, item.type, item.path, item.triggerKind)
+				await deleteGlobalDraft(
+					$workspaceStore,
+					item.type,
+					await draftTargetOf(item),
+					item.triggerKind
+				)
 			} catch (e) {
 				console.error('Failed to clear draft', item.path, e)
 			}