feat: companion 加入工作事件反應，並讓主動頻率依個性調整

- 測試指令失敗後轉通過、有用工具的回合結束時，以 toast 反應並提升心情
- 反應越常說越容易疲乏，冷卻拉長到暫停，休息後恢復
- 主動頻率與每日上限依屬性與外向性調整；待辦到期與額度警告不受影響
- core.json 可用 freq 覆寫各觸發倍率

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

plugins/companion/hooks/register.tsx

@@ -6,6 +6,7 @@ import { engineFs } from './companion/engine-fs'
 
 let companion: ReturnType<typeof createCompanion> | undefined
 let replying = false
+let usedTools = false
 let typedAt = 0
 let timer: { cancel(): void } | undefined
 
@@ -61,18 +62,22 @@ export const register: Register = on => {
 
   on('turn.start', async ($, e, next) => {
     replying = true
+    usedTools = false
     return next(e)
   })
 
   on('turn.complete', async ($, e, next) => {
     replying = false
+    // 只有主迴圈正常答完、且這輪用過工具，才算做完一件事
+    if (e.reason === 'answer' && !e.agentId) companion?.onTurnComplete(usedTools).catch(() => {})
     return next(e)
   })
 
   // 連續工具失敗會觸發關心，並影響心情
   on('tool.call', async ($, e, next) => {
     const r = await next(e)
-    companion?.onToolResult(!r.isError).catch(() => {})
+    if (!e.agentId) usedTools = true
+    companion?.onToolResult(!r.isError, { command: e.tool === 'Bash' ? e.command : undefined }).catch(() => {})
     return r
   })