feat(skills): guard uninstall with explicit confirmation

src/cli/skills.ts

@@ -100,6 +100,28 @@ export function installSkillFromDirectory(installer: SkillInstaller, sourcePath:
   }
 }
 
+export function uninstallSkillByName(
+  installer: SkillInstaller,
+  name: string,
+  opts: { confirm: boolean; discoveredSkill?: Skill },
+): { removed?: true; error?: string } {
+  if (!opts.confirm) {
+    return { error: 'Refusing to uninstall without --yes. Re-run with --yes to confirm.' };
+  }
+
+  if (opts.discoveredSkill && opts.discoveredSkill.manifest.tier !== 'managed' && !installer.isInstalled(name)) {
+    return {
+      error: `Skill '${name}' is '${opts.discoveredSkill.manifest.tier}' and cannot be uninstalled from managed skills.`,
+    };
+  }
+
+  if (!installer.uninstall(name)) {
+    return { error: `Managed skill '${name}' is not installed.` };
+  }
+
+  return { removed: true };
+}
+
 export function registerSkillsCommand(program: Command): void {
   const skills = program
     .command('skills')
@@ -182,4 +204,42 @@ export function registerSkillsCommand(program: Command): void {
 
       console.log(`Installed skill '${result.skill.manifest.name}' (${result.skill.manifest.version}).`);
     });
+
+  skills
+    .command('uninstall <name>')
+    .description('Uninstall a managed skill by name')
+    .option('--yes', 'Confirm uninstall without prompt')
+    .option('-c, --config <path>', 'Config file path')
+    .action((name: string, opts: { yes?: boolean; config?: string }) => {
+      const loaded = loadConfigSafe(opts.config);
+      if (loaded.error || !loaded.config) {
+        console.error(loaded.error ?? 'Failed to load config');
+        process.exitCode = 1;
+        return;
+      }
+
+      const defaultManagedDir = resolve(homedir(), '.flynn/workspace/skills');
+      const installer = new SkillInstaller(loaded.config.skills.managed_dir ?? defaultManagedDir);
+      const discoveredSkills = loadAllSkills({
+        bundledDir: loaded.config.skills.bundled_dir,
+        managedDir: loaded.config.skills.managed_dir ?? defaultManagedDir,
+        workspaceDir: loaded.config.skills.workspace_dir,
+      });
+      const discovered = discoveredSkills.find(
+        (skill) => skill.manifest.name === name && skill.manifest.tier === 'managed',
+      ) ?? discoveredSkills.find((skill) => skill.manifest.name === name);
+
+      const result = uninstallSkillByName(installer, name, {
+        confirm: opts.yes ?? false,
+        discoveredSkill: discovered,
+      });
+
+      if (result.error || !result.removed) {
+        console.error(result.error ?? `Failed to uninstall skill '${name}'.`);
+        process.exitCode = 1;
+        return;
+      }
+
+      console.log(`Uninstalled skill '${name}'.`);
+    });
 }