fix: address review findings from PR #33

- Wrap fileErr instead of err in GetAllFilesInPath fallback (MINOR)
- Use env var for asset name in release workflow to avoid quoting issues (NIT)

gitea/client.go

@@ -281,7 +281,7 @@ func (c *Client) GetAllFilesInPath(ctx context.Context, owner, repo, path string
 		// 404 means the path might be a file — try fetching directly
 		content, fileErr := c.GetFileContent(ctx, owner, repo, path)
 		if fileErr != nil {
-			return nil, fmt.Errorf("path %q is neither a file nor directory: %w", path, err)
+			return nil, fmt.Errorf("path %q is neither a file nor directory: %w", path, fileErr)
 		}
 		results[path] = content
 		return results, nil