fix(proxy): handle end-of-options parsing

tests/unit/commands/proxy-command.test.ts

@@ -0,0 +1,12 @@
+import { describe, expect, it } from 'bun:test';
+import { findPositionalArg } from '../../../src/commands/proxy-command';
+
+describe('findPositionalArg', () => {
+  it('skips option values before returning the first positional argument', () => {
+    expect(findPositionalArg(['--port', '3456', 'ccg'], ['--port'])).toBe('ccg');
+  });
+
+  it('treats arguments after -- as positional', () => {
+    expect(findPositionalArg(['--', '--port', '3456'], ['--port'])).toBe('--port');
+  });
+});