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/lib/syntax/index.js

@@ -0,0 +1,10 @@
+import createSyntax from './create.js';
+import lexerConfig from './config/lexer.js';
+import parserConfig from './config/parser.js';
+import walkerConfig from './config/walker.js';
+
+export default createSyntax({
+    ...lexerConfig,
+    ...parserConfig,
+    ...walkerConfig
+});