feat: M1 companion 資料層與 band 角色行

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

plugins/hud/hooks/register.tsx

@@ -2,7 +2,10 @@ import { atom, read, update } from 'claude-code'
 import type { EngineInterface, Register, SessionContextUsage, SessionRateLimit } from 'claude-code'
 
 import type { Mode, Sys, Usage } from '../types'
-import { cpuPercent, fit, parseCpu, parseDf, parseGit, parseMem, parseOffset } from './format'
+import { fitCompanion } from './companion/band'
+import { createCompanion } from './companion/core'
+import { nodeFs } from './companion/node-fs'
+import { bandLines, cpuPercent, parseCpu, parseDf, parseGit, parseMem, parseOffset } from './format'
 import type { CpuSample } from './format'
 
 const usageAtom = atom({ plugin: 'hud', key: 'usage' } as const, {})
@@ -34,6 +37,7 @@ function toUsage(context: SessionContextUsage, rateLimits: SessionRateLimit[]):
 }
 
 let home: string | undefined
+let companion: ReturnType<typeof createCompanion> | undefined
 let tzOffsetMin = 0
 let prevCpu: CpuSample | null = null
 let ticks = 0
@@ -90,6 +94,14 @@ export const register: Register = on => {
       argumentHint: 'on | off | compact',
     })
     home = await $.env.get('HOME')
+    companion = createCompanion({ fs: nodeFs, clock: { now: Date.now }, root: `${home ?? ''}/.cockpit` })
+    await $.command.register({
+      name: 'cockpit',
+      description: '助理與儀表：status、switch、companion off、setup',
+      argumentHint: 'status | switch <角色> | companion off | setup',
+    })
+    const first = await companion.ensureActivated()
+    if (first.first) $.ui.toast(`已啟用 ${first.name}。用 /cockpit companion off 可關閉`)
     try {
       const r = await $.process.run(['date', '+%z'], { timeoutMs: 3000 })
       tzOffsetMin = parseOffset(r.stdout)
@@ -137,36 +149,39 @@ export const register: Register = on => {
     return { text: said[mode] }
   })
 
+  on('command.run', { command: 'cockpit' }, async (_$, e) => ({ text: companion ? await companion.command(e.args) : '尚未就緒。' }))
+
   on('ui.render', { component: 'AbovePrompt' }, async ($, e, next) => {
     const mode = await read($, modeAtom)
     if (e.props.hasSurvey || mode === 'off') return next(e)
 
-    const line = fit(
-      {
-        model: await $.session.model(),
-        cwd: await $.session.cwd(),
-        home,
-        git: await read($, gitAtom),
-        usage: await read($, usageAtom),
-        sys: await read($, sysAtom),
-        tzOffsetMin,
-        effort: await read($, effortAtom),
-      },
-      e.props.bodyColumns,
-      mode === 'compact',
-    )
+    const data = {
+      model: await $.session.model(),
+      cwd: await $.session.cwd(),
+      home,
+      git: await read($, gitAtom),
+      usage: await read($, usageAtom),
+      sys: await read($, sysAtom),
+      tzOffsetMin,
+      effort: await read($, effortAtom),
+    }
+    const view = await companion?.view()
+    const cols = e.props.bodyColumns
+    const lines = bandLines(data, cols, mode === 'compact', view ? fitCompanion(view, cols, mode === 'compact') : null)
     const { Box, Text } = $.ui.resolve(e)
 
     // 引擎在 band 與輸入框之間已留一行空白，上方補一行讓上下間距相同
     return (
-      <Box marginTop={1}>
-        <Text wrap="truncate">
-          {line.map(s => (
-            <Text color={s.color} dimColor={s.dim} bold={s.bold}>
-              {s.text}
-            </Text>
-          ))}
-        </Text>
+      <Box marginTop={1} flexDirection="column">
+        {lines.map(line => (
+          <Text wrap="truncate">
+            {line.map(s => (
+              <Text color={s.color} dimColor={s.dim} bold={s.bold}>
+                {s.text}
+              </Text>
+            ))}
+          </Text>
+        ))}
       </Box>
     )
   })