feat: 將 hud 外掛改名為 cockpit，拆分 hud 與 companion 模組

保留 /hud 別名，指向 /cockpit hud on|off|compact。

Co-Authored-By: Claude Sonnet 5.5 <noreply@anthropic.com>

plugins/cockpit/.claude-plugin/plugin.json

@@ -0,0 +1,10 @@
+{
+  "name": "cockpit",
+  "version": "0.1.0",
+  "description": "Cockpit 外掛，內含 hud 模組（輸入框上方單行 HUD）：模型、目錄、分支、5h/7d 額度與重置、context、CPU/記憶體/磁碟",
+  "license": "MIT",
+  "types": "./types/index.d.ts",
+  "author": {
+    "name": "JSC"
+  }
+}

plugins/cockpit/hooks/companion/index.tsx

@@ -0,0 +1,4 @@
+import type { Register } from 'claude-code'
+
+// companion 模組：目前為空殼，之後的階段再補內容
+export const register: Register = () => {}

plugins/cockpit/hooks/hud/index.tsx

@@ -1,16 +1,16 @@
 import { atom, read, update } from 'claude-code'
 import type { EngineInterface, Register, SessionContextUsage, SessionRateLimit } from 'claude-code'
 
-import type { Mode, Sys, Usage } from '../types'
+import type { Mode, Sys, Usage } from '../../types'
 import { cpuPercent, fit, parseCpu, parseDf, parseGit, parseMem, parseOffset } from './format'
 import type { CpuSample } from './format'
 
-const usageAtom = atom({ plugin: 'hud', key: 'usage' } as const, {})
-const gitAtom = atom({ plugin: 'hud', key: 'git' } as const, null)
-const sysAtom = atom({ plugin: 'hud', key: 'sys' } as const, {})
-const modeAtom = atom({ plugin: 'hud', key: 'mode' } as const, 'auto')
-const alertedAtom = atom({ plugin: 'hud', key: 'alerted' } as const, [])
-const effortAtom = atom({ plugin: 'hud', key: 'effort' } as const, null)
+const usageAtom = atom({ plugin: 'cockpit', key: 'usage' } as const, {})
+const gitAtom = atom({ plugin: 'cockpit', key: 'git' } as const, null)
+const sysAtom = atom({ plugin: 'cockpit', key: 'sys' } as const, {})
+const modeAtom = atom({ plugin: 'cockpit', key: 'mode' } as const, 'auto')
+const alertedAtom = atom({ plugin: 'cockpit', key: 'alerted' } as const, [])
+const effortAtom = atom({ plugin: 'cockpit', key: 'effort' } as const, null)
 
 const SYS_MS = 3000
 const GIT_MS = 15_000
@@ -82,11 +82,26 @@ async function alert($: EngineInterface, rateLimits: SessionRateLimit[]) {
   }
 }
 
+async function runHud($: EngineInterface, args: string) {
+  const arg = args.trim()
+  const mode: Mode = arg === 'off' ? 'off' : arg === 'compact' ? 'compact' : 'auto'
+  await update($, modeAtom, () => mode)
+  const said: Record<Mode, string> = { auto: '狀態列已開啟。', off: '狀態列已隱藏。', compact: '狀態列改用極窄版。' }
+
+  return { text: said[mode] }
+}
+
 export const register: Register = on => {
   on('session.start', async ($, e, next) => {
+    await $.command.register({
+      name: 'cockpit',
+      description: 'Cockpit 控制：hud 狀態列',
+      argumentHint: 'hud on | off | compact',
+    })
+    // 別名：/hud <arg> 等同 /cockpit hud <arg>
     await $.command.register({
       name: 'hud',
-      description: '切換輸入框上方的狀態列',
+      description: '切換輸入框上方的狀態列（/cockpit hud 的別名）',
       argumentHint: 'on | off | compact',
     })
     home = await $.env.get('HOME')
@@ -128,13 +143,13 @@ export const register: Register = on => {
     return ran
   })
 
-  on('command.run', { command: 'hud' }, async ($, e) => {
-    const arg = e.args.trim()
-    const mode: Mode = arg === 'off' ? 'off' : arg === 'compact' ? 'compact' : 'auto'
-    await update($, modeAtom, () => mode)
-    const said: Record<Mode, string> = { auto: '狀態列已開啟。', off: '狀態列已隱藏。', compact: '狀態列改用極窄版。' }
+  on('command.run', { command: 'hud' }, ($, e) => runHud($, e.args))
 
-    return { text: said[mode] }
+  on('command.run', { command: 'cockpit' }, async ($, e, next) => {
+    const [sub, ...rest] = e.args.trim().split(/\s+/)
+    if (sub !== 'hud') return { text: '用法：/cockpit hud on | off | compact' }
+
+    return runHud($, rest.join(' '))
   })
 
   on('ui.render', { component: 'AbovePrompt' }, async ($, e, next) => {

plugins/cockpit/hooks/register.tsx

@@ -0,0 +1,9 @@
+import type { Register } from 'claude-code'
+
+import { register as companion } from './companion'
+import { register as hud } from './hud'
+
+export const register: Register = on => {
+  hud(on)
+  companion(on)
+}

plugins/cockpit/types/index.d.ts

@@ -16,7 +16,7 @@ export type Mode = 'auto' | 'compact' | 'off'
 
 declare module 'claude-code' {
   interface PluginState {
-    hud: {
+    cockpit: {
       usage: Usage
       git: Git | null
       sys: Sys

plugins/hud/.claude-plugin/plugin.json

@@ -1,10 +0,0 @@
-{
-  "name": "hud",
-  "version": "0.1.0",
-  "description": "輸入框上方單行 HUD：模型、目錄、分支、5h/7d 額度與重置、context、CPU/記憶體/磁碟",
-  "license": "MIT",
-  "types": "./types/index.d.ts",
-  "author": {
-    "name": "JSC"
-  }
-}