chore: 移除 packages/ 下多处未引用的导出

涉及 11 个 workspace 包文件，每处均为独立的 unreferenced export 删除或 export 关键字冗余移除：

- @ant/ink/core/termio/csi.ts（eraseLine）
- acp-link/manager/types.ts、acp-link/ws-message.ts
- builtin-tools/AgentTool/agentMemory.ts、BashTool/bashSecurity.ts、BashTool/sedEditParser.ts
- builtin-tools/ConfigTool/supportedSettings.ts、FileEditTool/utils.ts
- remote-control-server/store.ts、transport/event-bus.ts、types/messages.ts

Co-Authored-By: glm-5.2 <zai-org@claude-code-best.win>

packages/builtin-tools/src/tools/AgentTool/agentMemory.ts

@@ -100,16 +100,6 @@ export function isAgentMemoryPath(absolutePath: string): boolean {
   return false
 }
 
-/**
- * Returns the agent memory file path for a given agent type and scope.
- */
-export function getAgentMemoryEntrypoint(
-  agentType: string,
-  scope: AgentMemoryScope,
-): string {
-  return join(getAgentMemoryDir(agentType, scope), 'MEMORY.md')
-}
-
 export function getMemoryScopeDisplay(
   memory: AgentMemoryScope | undefined,
 ): string {

packages/builtin-tools/src/tools/BashTool/bashSecurity.ts

@@ -579,11 +579,6 @@ export function stripSafeHeredocSubstitutions(command: string): string | null {
   return result
 }
 
-/** Detection-only check: does the command contain a safe heredoc substitution? */
-export function hasSafeHeredocSubstitution(command: string): boolean {
-  return stripSafeHeredocSubstitutions(command) !== null
-}
-
 function validateSafeCommandSubstitution(
   context: ValidationContext,
 ): PermissionResult {

packages/builtin-tools/src/tools/BashTool/sedEditParser.ts

@@ -33,15 +33,6 @@ export type SedEditInfo = {
   extendedRegex: boolean
 }
 
-/**
- * Check if a command is a sed in-place edit command
- * Returns true only for simple sed -i 's/pattern/replacement/flags' file commands
- */
-export function isSedInPlaceEdit(command: string): boolean {
-  const info = parseSedEditCommand(command)
-  return info !== null
-}
-
 /**
  * Parse a sed edit command and extract the edit information
  * Returns null if the command is not a valid sed in-place edit

packages/builtin-tools/src/tools/ConfigTool/supportedSettings.ts

@@ -193,10 +193,6 @@ export function getConfig(key: string): SettingConfig | undefined {
   return SUPPORTED_SETTINGS[key]
 }
 
-export function getAllKeys(): string[] {
-  return Object.keys(SUPPORTED_SETTINGS)
-}
-
 export function getOptionsForSetting(key: string): string[] | undefined {
   const config = SUPPORTED_SETTINGS[key]
   if (!config) return undefined

packages/builtin-tools/src/tools/FileEditTool/utils.ts

@@ -317,42 +317,6 @@ export function getSnippetForPatch(
   return { formattedSnippet, startLine }
 }
 
-/**
- * Gets a snippet from a file showing the context around a single edit.
- * This is a convenience function that uses the original algorithm.
- * @param originalFile The original file content
- * @param oldString The text to replace
- * @param newString The text to replace it with
- * @param contextLines The number of lines to show before and after the change
- * @returns The snippet and the starting line number
- */
-export function getSnippet(
-  originalFile: string,
-  oldString: string,
-  newString: string,
-  contextLines: number = 4,
-): { snippet: string; startLine: number } {
-  // Use the original algorithm from FileEditTool.tsx
-  const before = originalFile.split(oldString)[0] ?? ''
-  const replacementLine = before.split(/\r?\n/).length - 1
-  const newFileLines = applyEditToFile(
-    originalFile,
-    oldString,
-    newString,
-  ).split(/\r?\n/)
-
-  // Calculate the start and end line numbers for the snippet
-  const startLine = Math.max(0, replacementLine - contextLines)
-  const endLine =
-    replacementLine + contextLines + newString.split(/\r?\n/).length
-
-  // Get snippet
-  const snippetLines = newFileLines.slice(startLine, endLine)
-  const snippet = snippetLines.join('\n')
-
-  return { snippet, startLine: startLine + 1 }
-}
-
 export function getEditsForPatch(patch: StructuredPatchHunk[]): FileEdit[] {
   return patch.map(hunk => {
     // Extract the changes from this hunk