Use canonical names in batch fetch errors

Co-authored-by: Copilot App <223556219+Copilot@users.noreply.github.com>

Author: lukasoppermann

packages/mcp/src/server.test.ts

@@ -86,7 +86,7 @@ describe('get_component_batch', () => {
   it('returns missing components and fetch failures in-band', async () => {
     vi.mocked(fetch).mockResolvedValue(new Response(null, {status: 500}))
 
-    const result = await callBatch(['MissingComponent', 'Button'])
+    const result = await callBatch(['MissingComponent', 'button'])
 
     expect(result.isError).not.toBe(true)
     expect(result.content).toEqual([

packages/mcp/src/server.ts

@@ -219,7 +219,7 @@ server.registerTool(
 
         return {
           type: 'text' as const,
-          text: `## ${name}\n\nStatus: fetch-error. Failed to load documentation for ${name}.`,
+          text: `## ${match.name}\n\nStatus: fetch-error. Failed to load documentation for ${match.name}.`,
         }
       }),
     )