feat(aia): Complete AIA V2.0 with universal streaming capabilities

Major Changes:
- Add StreamingService with OpenAI Compatible format
- Upgrade Chat component V2 with Ant Design X integration
- Implement AIA module with 12 intelligent agents
- Update API routes to unified /api/v1 prefix
- Update system documentation

Backend (~1300 lines):
- common/streaming: OpenAI Compatible adapter
- modules/aia: 12 agents, conversation service, streaming integration
- Update route versions (RVW, PKB to v1)

Frontend (~3500 lines):
- modules/aia: AgentHub + ChatWorkspace (100% prototype restoration)
- shared/Chat: AIStreamChat, ThinkingBlock, useAIStream Hook
- Update API endpoints to v1

Documentation:
- AIA module status guide
- Universal capabilities catalog
- System overview updates
- All module documentation sync

Tested: Stream response verified, authentication working
Status: AIA V2.0 core completed (85%)

backend/src/modules/pkb/controllers/chatController.ts

@@ -82,7 +82,7 @@ interface SendChatMessageBody {
 /**
  * 发送消息（流式输出）
  * 
- * POST /api/v2/pkb/chat/stream
+ * POST /api/v1/pkb/chat/stream
  */
 export async function sendMessageStream(
   request: FastifyRequest<{ Body: SendChatMessageBody }>,

backend/src/modules/pkb/routes/health.ts

@@ -54,3 +54,4 @@ export default async function healthRoutes(fastify: FastifyInstance) {
 
 
 
+