feat: add installed and update commands to CLI

bin/cli.js

@@ -45,7 +45,7 @@ program
   .option('-a, --all', 'Install ALL skills')
   .action(async (skillName, options) => {
     const targetDir = options.global ? GLOBAL_SKILLS_DIR : LOCAL_SKILLS_DIR;
-    
+
     if (!skillName && !options.all) {
       console.error(chalk.red('Error: Please specify a skill name or use --all'));
       process.exit(1);
@@ -55,7 +55,7 @@ program
       await fs.ensureDir(targetDir);
       console.log(chalk.gray(`Target directory: ${targetDir}`));
 
-      const skillsToInstall = options.all 
+      const skillsToInstall = options.all
         ? (await fs.readdir(SKILLS_SOURCE_DIR)).filter(f => !f.startsWith('.'))
         : [skillName];
 
@@ -71,7 +71,7 @@ program
         await fs.copy(sourcePath, destPath, { overwrite: true });
         console.log(`${chalk.green('✔ Installed:')} ${skill}`);
       }
-      
+
       console.log(chalk.bold.green('\nInstallation complete!'));
       console.log('Restart your agent session to see changes.');
 
@@ -81,4 +81,93 @@ program
     }
   });
 
+program
+  .command('installed')
+  .description('List skills installed in your workspace')
+  .option('-g, --global', 'List globally installed skills')
+  .action(async (options) => {
+    const targetDir = options.global ? GLOBAL_SKILLS_DIR : LOCAL_SKILLS_DIR;
+
+    try {
+      if (!await fs.pathExists(targetDir)) {
+        console.log(chalk.yellow(`No skills directory found at: ${targetDir}`));
+        return;
+      }
+
+      const installedSkills = await fs.readdir(targetDir);
+      const filteredSkills = installedSkills.filter(f => !f.startsWith('.'));
+
+      if (filteredSkills.length === 0) {
+        console.log(chalk.yellow('No skills installed.'));
+        return;
+      }
+
+      console.log(chalk.bold(`\nInstalled Skills (${options.global ? 'Global' : 'Local'}):\n`));
+      filteredSkills.forEach(skill => {
+        console.log(`- ${chalk.green(skill)}`);
+      });
+      console.log(chalk.gray(`\nLocation: ${targetDir}`));
+
+    } catch (err) {
+      console.error(chalk.red('Error listing installed skills:'), err.message);
+    }
+  });
+
+program
+  .command('update [skillName]')
+  .description('Update installed skills from the vault')
+  .option('-g, --global', 'Update globally installed skills')
+  .action(async (skillName, options) => {
+    const targetDir = options.global ? GLOBAL_SKILLS_DIR : LOCAL_SKILLS_DIR;
+
+    try {
+      if (!await fs.pathExists(targetDir)) {
+        console.error(chalk.red(`No installation found at: ${targetDir}`));
+        return;
+      }
+
+      // Determine what to update
+      let skillsToUpdate = [];
+      if (skillName) {
+        // Update specific skill if it exists
+        if (await fs.pathExists(path.join(targetDir, skillName))) {
+          skillsToUpdate.push(skillName);
+        } else {
+          console.error(chalk.red(`Skill '${skillName}' is not installed.`));
+          return;
+        }
+      } else {
+        // Update ALL installed skills
+        const installed = await fs.readdir(targetDir);
+        skillsToUpdate = installed.filter(f => !f.startsWith('.'));
+      }
+
+      if (skillsToUpdate.length === 0) {
+        console.log(chalk.yellow('No skills to update.'));
+        return;
+      }
+
+      console.log(chalk.bold(`Updating ${skillsToUpdate.length} skills...\n`));
+
+      for (const skill of skillsToUpdate) {
+        const sourcePath = path.join(SKILLS_SOURCE_DIR, skill);
+        const destPath = path.join(targetDir, skill);
+
+        if (!await fs.pathExists(sourcePath)) {
+          console.warn(chalk.yellow(`⚠ Warning: Skill '${skill}' no longer exists in vault. Skipping.`));
+          continue;
+        }
+
+        await fs.copy(sourcePath, destPath, { overwrite: true });
+        console.log(`${chalk.green('✔ Updated:')} ${skill}`);
+      }
+
+      console.log(chalk.bold.green('\nUpdate complete!'));
+
+    } catch (err) {
+      console.error(chalk.red('Update failed:'), err.message);
+      process.exit(1);
+    }
+  });
+
 program.parse(process.argv);