Use local svgo.cmd wrapper binary

Switch SVG optimizer resolution from bin/svgo-cli.exe to bin/svgo.cmd.

Update unit tests to validate the new local binary path behavior.

Co-Authored-By: Abacus.AI CLI <agent@abacus.ai>

bin/svgo-client/node_modules/css-tree/cjs/convertor/index.cjs

@@ -0,0 +1,8 @@
+'use strict';
+
+const create = require('./create.cjs');
+const index$1 = require('../walker/index.cjs');
+
+const index = create.createConvertor(index$1);
+
+module.exports = index;