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/csso/lib/replace/Atrule.js

@@ -0,0 +1,9 @@
+import { keyword as resolveKeyword } from 'css-tree';
+import compressKeyframes from './atrule/keyframes.js';
+
+export default function(node) {
+    // compress @keyframe selectors
+    if (resolveKeyword(node.name).basename === 'keyframes') {
+        compressKeyframes(node);
+    }
+};