Remove unused API file and update gitignore

- Delete src/pages/api/filaments.ts that was causing build failure
- Add .vite/ to gitignore

🤖 Generated with [Claude Code](https://claude.ai/code)

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

src/pages/api/filaments.ts

@@ -1,25 +0,0 @@
-import type { Filament } from '../../types/filament';
-
-// This file is only used for AWS Amplify deployment
-// Local development uses the Vite middleware in vite.config.ts
-
-export async function handler(event: any) {
-  // For AWS Amplify
-  if (event.httpMethod !== 'GET') {
-    return {
-      statusCode: 405,
-      body: JSON.stringify({ error: 'Method not allowed' })
-    };
-  }
-
-  // In production, this would use the server-side confluence module
-  // For now, return empty array to avoid errors
-  return {
-    statusCode: 200,
-    headers: {
-      'Content-Type': 'application/json',
-      'Cache-Control': 'max-age=300'
-    },
-    body: JSON.stringify([])
-  };
-}