chore: 移除 Tool.ts 中 backwards-compat 重导出 shim

删除 "// Re-export progress types for backwards compatibility" 注释块及其重导出语句。所有消费方已直接从 src/types/tools.js 导入，无需重导出转发。

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

src/Tool.ts

@@ -62,17 +62,6 @@ import type { DenialTrackingState } from './utils/permissions/denialTracking.js'
 import type { SystemPrompt } from './utils/systemPromptType.js'
 import type { ContentReplacementState } from './utils/toolResultStorage.js'
 
-// Re-export progress types for backwards compatibility
-export type {
-  AgentToolProgress,
-  BashProgress,
-  MCPProgress,
-  REPLToolProgress,
-  SkillToolProgress,
-  TaskOutputProgress,
-  WebSearchProgress,
-}
-
 import type { SpinnerMode } from './components/Spinner.js'
 import type { QuerySource } from './constants/querySource.js'
 import type { SDKStatus } from './entrypoints/agentSdkTypes.js'