feat: Introduce LLM response caching and streaming, add application configuration, and enhance session data with progress and history tracking.

web/main.py

@@ -43,6 +43,18 @@ class SessionData:
         self.log_file: Optional[str] = None
         self.analysis_results: List[Dict] = [] # Store analysis results for gallery
         self.agent: Optional[DataAnalysisAgent] = None # Store the agent instance for follow-up
+        
+        # 新增：进度跟踪
+        self.current_round: int = 0
+        self.max_rounds: int = 20
+        self.progress_percentage: float = 0.0
+        self.status_message: str = "等待开始"
+        
+        # 新增：历史记录
+        self.created_at: str = ""
+        self.last_updated: str = ""
+        self.user_requirement: str = ""
+        self.file_list: List[str] = []
 
 
 class SessionManager:
@@ -56,11 +68,40 @@ class SessionManager:
             self.sessions[session_id] = SessionData(session_id)
             return session_id
 
+
     def get_session(self, session_id: str) -> Optional[SessionData]:
         return self.sessions.get(session_id)
 
     def list_sessions(self):
         return list(self.sessions.keys())
+    
+    def delete_session(self, session_id: str) -> bool:
+        """删除指定会话"""
+        with self.lock:
+            if session_id in self.sessions:
+                session = self.sessions[session_id]
+                if session.agent:
+                    session.agent.reset()
+                del self.sessions[session_id]
+                return True
+            return False
+    
+    def get_session_info(self, session_id: str) -> Optional[Dict]:
+        """获取会话详细信息"""
+        session = self.get_session(session_id)
+        if session:
+            return {
+                "session_id": session.session_id,
+                "is_running": session.is_running,
+                "progress": session.progress_percentage,  
+                "status": session.status_message,
+                "current_round": session.current_round,
+                "max_rounds": session.max_rounds,
+                "created_at": session.created_at,
+                "last_updated": session.last_updated,
+                "user_requirement": session.user_requirement[:100] + "..." if len(session.user_requirement) > 100 else session.user_requirement
+            }
+        return None
 
 session_manager = SessionManager()
 
@@ -477,3 +518,42 @@ async def get_troubleshooting_guide():
         return {"content": content}
     except Exception as e:
         return {"content": f"# Error Loading Guide\n\n{e}"}
+
+
+# --- 新增API端点 ---
+
+@app.get("/api/sessions/progress")
+async def get_session_progress(session_id: str = Query(..., description="Session ID")):
+    """获取会话分析进度"""
+    session_info = session_manager.get_session_info(session_id)
+    if not session_info:
+        raise HTTPException(status_code=404, detail="Session not found")
+    return session_info
+
+
+@app.get("/api/sessions/list")
+async def list_all_sessions():
+    """获取所有会话列表"""
+    session_ids = session_manager.list_sessions()
+    sessions_info = []
+    
+    for sid in session_ids:
+        info = session_manager.get_session_info(sid)
+        if info:
+            sessions_info.append(info)
+    
+    return {"sessions": sessions_info, "total": len(sessions_info)}
+
+
+@app.delete("/api/sessions/{session_id}")
+async def delete_specific_session(session_id: str):
+    """删除指定会话"""
+    success = session_manager.delete_session(session_id)
+    if not success:
+        raise HTTPException(status_code=404, detail="Session not found")
+    return {"status": "deleted", "session_id": session_id}
+
+
+if __name__ == "__main__":
+    import uvicorn
+    uvicorn.run(app, host="0.0.0.0", port=8000)