fix: loosen skill count assertion to accommodate new upstream skills

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

Author: phernandez

commands/skills.test.ts

@@ -10,7 +10,9 @@ describe("skill slash commands", () => {
 
     registerSkillCommands(mockApi)
 
-    expect(mockApi.registerCommand).toHaveBeenCalledTimes(9)
+    const callCount = (mockApi.registerCommand as jest.MockedFunction<any>)
+      .mock.calls.length
+    expect(callCount).toBeGreaterThanOrEqual(9)
 
     const names = (
       mockApi.registerCommand as jest.MockedFunction<any>