feat(skills): expose list command for skill visibility

src/cli/index.ts

@@ -18,6 +18,7 @@ import { registerGcalAuthCommand } from './gcal-auth.js';
 import { registerGdocsAuthCommand } from './gdocs-auth.js';
 import { registerGdriveAuthCommand } from './gdrive-auth.js';
 import { registerGtasksAuthCommand } from './gtasks-auth.js';
+import { registerSkillsCommand } from './skills.js';
 
 export function createProgram(): Command {
   const program = new Command();
@@ -40,6 +41,7 @@ export function createProgram(): Command {
   registerGdocsAuthCommand(program);
   registerGdriveAuthCommand(program);
   registerGtasksAuthCommand(program);
+  registerSkillsCommand(program);
 
   return program;
 }