fix: use correct Pi installation path

src/commands/skill/skill.test.ts

@@ -1,5 +1,5 @@
 import { mkdir, readFile, rm, stat } from 'node:fs/promises'
-import { tmpdir } from 'node:os'
+import { homedir, tmpdir } from 'node:os'
 import { join } from 'node:path'
 import { captureConsole, createTestProgram } from '@doist/cli-core/testing'
 import { afterEach, beforeEach, describe, expect, it, vi } from 'vitest'
@@ -102,6 +102,15 @@ describe('installer paths', () => {
     }
 })
 
+describe('Pi installer paths', () => {
+    it('installs global skills under the Pi agent directory', () => {
+        const expectedPath = join(homedir(), '.pi', 'agent', 'skills', 'comms-cli', 'SKILL.md')
+
+        expect(skillInstallers.pi.getInstallPath({})).toBe(expectedPath)
+        expect(skillInstallers.pi.getInstallPath({ local: false })).toBe(expectedPath)
+    })
+})
+
 describe('installer operations', () => {
     let testDir: string
     const originalCwd = process.cwd()

src/lib/skills/create-installer.ts

@@ -9,12 +9,14 @@ interface InstallerConfig {
     name: string
     description: string
     dirName: string
+    globalDirName?: string
 }
 
 export function createInstaller(config: InstallerConfig): SkillInstaller {
     function getInstallPath(options: { local?: boolean }): string {
         const base = options.local ? process.cwd() : homedir()
-        return join(base, config.dirName, 'skills', SKILL_NAME, 'SKILL.md')
+        const dirName = options.local ? config.dirName : (config.globalDirName ?? config.dirName)
+        return join(base, dirName, 'skills', SKILL_NAME, 'SKILL.md')
     }
 
     return {

src/lib/skills/index.ts

@@ -26,6 +26,7 @@ export const skillInstallers: Record<string, SkillInstaller> = {
         name: 'pi',
         description: 'Pi skill for Comms CLI',
         dirName: '.pi',
+        globalDirName: '.pi/agent',
     }),
     universal: createInstaller({
         name: 'universal',