Bundle the security, perf, and migrate skills

Ultraworked with [Sisyphus](https://github.com/code-yeongyu/oh-my-openagent)

Co-authored-by: Sisyphus <clio-agent@sisyphuslabs.ai>

test/skills.test.ts

@@ -61,7 +61,17 @@ test('every bundled skill parses and has a usable description', () => {
 
 test('the builtin skills load with no files on disk', async () => {
   const skills = await loadSkills(work);
-  expect(skills.map((s) => s.name)).toEqual(['commit', 'debug', 'refactor', 'review', 'test', 'verify']);
+  expect(skills.map((s) => s.name)).toEqual([
+    'commit',
+    'debug',
+    'migrate',
+    'perf',
+    'refactor',
+    'review',
+    'security',
+    'test',
+    'verify',
+  ]);
   expect(skills.every((s) => s.origin === 'builtin')).toBe(true);
 });