Revert "修复审批请求在聊天中无提示且无法响应 (#467)" (#553)

This reverts commit 56c7b59eaf.

packages/client/src/utils/approval-commands.ts

@@ -1,29 +0,0 @@
-export type ApprovalChoice = 'once' | 'session' | 'always' | 'deny'
-
-export interface ApprovalCommand {
-  choice: ApprovalChoice
-  all: boolean
-}
-
-const APPROVAL_COMMAND_RE = /^\/(approve|deny)(?:\s+(session|always|all))?\s*$/i
-
-export function parseApprovalCommand(input: string): ApprovalCommand | null {
-  const match = input.trim().match(APPROVAL_COMMAND_RE)
-  if (!match) return null
-
-  const verb = match[1].toLowerCase()
-  const modifier = match[2]?.toLowerCase()
-
-  if (verb === 'deny') {
-    if (modifier && modifier !== 'all') return null
-    return { choice: 'deny', all: modifier === 'all' }
-  }
-
-  if (modifier === 'session') return { choice: 'session', all: false }
-  if (modifier === 'always') return { choice: 'always', all: false }
-  return { choice: 'once', all: modifier === 'all' }
-}
-
-export function isApprovalCommand(input: string): boolean {
-  return parseApprovalCommand(input) != null
-}