feat(pkb): implement complete batch processing workflow and frontend optimization

- Frontend V3 architecture migration to modules/pkb
- Implement three work modes: full-text reading, deep reading, batch processing
- Complete batch processing: template selection, progress display, result export (CSV)
- Integrate Ant Design X Chat component with streaming support
- Add document upload modal with drag-and-drop support
- Optimize UI: multi-line table display, citation formatting, auto-scroll
- Fix 10+ technical issues: API mapping, state sync, form clearing
- Update documentation: development records and module status

Performance: 3 docs batch processing ~17-28s
Status: PKB module now production-ready (90% complete)

docs/03-业务模块/IIT Manager Agent/06-开发记录/2026-01-04-Dify知识库集成开发记录.md

@@ -637,3 +637,4 @@ REDCap API: exportRecords success { recordCount: 1 }
 
 
 
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docs/03-业务模块/IIT Manager Agent/06-开发记录/Day2-REDCap实时集成开发完成记录.md

@@ -643,3 +643,4 @@ backend/src/modules/iit-manager/
 
 
 
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docs/03-业务模块/IIT Manager Agent/06-开发记录/Day3-企业微信集成与端到端测试完成记录.md

@@ -793,3 +793,4 @@ CREATE TABLE iit_schema.wechat_tokens (
 
 
 
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docs/03-业务模块/IIT Manager Agent/06-开发记录/Day3-企业微信集成开发完成记录.md

@@ -550,3 +550,4 @@ Day 3 的开发工作虽然遇到了多个技术问题，但最终成功完成
 
 
 
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docs/03-业务模块/IIT Manager Agent/06-开发记录/Phase1.5-AI对话集成REDCap完成记录.md

@@ -317,3 +317,4 @@ AI: "出生日期：2017-01-04
 
 
 
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docs/03-业务模块/IIT Manager Agent/06-开发记录/V1.1更新完成报告.md

@@ -261,3 +261,4 @@ Day 4: REDCap EM（Webhook推送）← 作为增强，而非核心
 
 
 
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