reorg chat

backend/main.py

@@ -299,12 +299,3 @@ def update_session_context_file(session_id: str, payload: SessionFileContextUpda
     session.updated_at = datetime.now()
     nanobot_service.agent.sessions.save(session)
     return {"status": "success", "metadata": session.metadata}
-
-@app.post("/api/v1/agent/nl2sql", response_model=NL2SQLResponse)
-async def run_nl2sql(request: NL2SQLRequest):
-    result = await process_nl2sql(request)
-    if request.session_id:
-        text = _build_sql_chart_text(result)
-        viz_payload = _build_sql_chart_viz(result)
-        _persist_session_turn(request.session_id, request.query, text, {"viz": viz_payload})
-    return result

frontend/src/components/ChatInterface.tsx

@@ -2,7 +2,7 @@ import { useState, useRef, useEffect } from "react";
 import { Button } from "@/components/ui/button";
 import { Input } from "@/components/ui/input";
 import { ScrollArea } from "@/components/ui/scroll-area";
-import { User, Loader2, Sparkles, Search, ArrowUp, ChevronDown, Table, Paperclip, Check, X, File as FileIcon, Square } from "lucide-react";
+import { User, Loader2, Sparkles, ArrowUp, ChevronDown, Paperclip, Check, X, File as FileIcon, Square } from "lucide-react";
 import { api } from "@/lib/api";
 import { type ChartSpec } from "@/store/visualizationStore";
 import { Popover, PopoverContent, PopoverTrigger } from "@/components/ui/popover";
@@ -62,7 +62,6 @@ interface SessionData {
 export function ChatInterface() {
   const [messages, setMessages] = useState<Message[]>([]);
   const [input, setInput] = useState("");
-  const [selectedCapability, setSelectedCapability] = useState<string>("智能问答");
   const [selectedDataSource, setSelectedDataSource] = useState<string>("postgres-main");
   const [isLoading, setIsLoading] = useState(false);
   const scrollRef = useRef<HTMLDivElement>(null);
@@ -172,11 +171,6 @@ export function ChatInterface() {
 
   const currentModel = models.find(m => m.id === selectedModelId);
   
-  const capabilities = [
-    { icon: Sparkles, label: "智能问答", color: "text-purple-500", bg: "bg-purple-50" },
-    { icon: Table, label: "表格问答", color: "text-orange-500", bg: "bg-orange-50" },
-    { icon: Search, label: "深度问数", color: "text-blue-500", bg: "bg-blue-50" },
-  ];
   const chartIntentPattern = /(图表|可视化|画图|作图|柱状图|折线图|饼图|趋势|分布|chart|plot|visuali[sz]e)/i;
 
   const buildMessageViz = (payload: {
@@ -281,7 +275,6 @@ export function ChatInterface() {
     setIsLoading(true);
     
     try {
-      if (selectedCapability === "智能问答") {
        const assistantId = (Date.now() + 1).toString();
        setMessages(prev => [...prev, {
           id: assistantId,
@@ -408,49 +401,6 @@ export function ChatInterface() {
            )
          );
        }
-      } else {
-         // Fallback to existing NL2SQL or other skills (e.g. for "表格问答" or "深度问数")
-         const selectedSource = selectedDataSource.split('-')[0];
-         const useUploadSource = Boolean(
-           currentAttachedFile?.url?.startsWith("local://") ||
-           (selectedSource === "upload" && activeDataFile?.url?.startsWith("local://"))
-         );
-         const source = useUploadSource ? "upload" : selectedSource;
-         const fileUrl = useUploadSource ? (currentAttachedFile?.url || activeDataFile?.url) : undefined;
-         const response = await api.post<{
-             sql?: string, 
-             result?: unknown, 
-             error?: string,
-             chart?: { chart_spec?: ChartSpec | null, reasoning?: string, can_visualize?: boolean, chart_type?: string }
-         }>('/api/v1/agent/nl2sql', {
-            query: messagePayload,
-            source: source,
-           file_url: fileUrl,
-            session_id: activeSessionKey,
-            model_id: selectedModelId 
-         }, { signal: controller.signal });
-
-         if (response.error) {
-            setMessages(prev => [...prev, { 
-                id: (Date.now() + 1).toString(), 
-                role: 'assistant', 
-                content: `Error: ${response.error}` 
-            }]);
-         } else {
-           const canVisualize = Boolean(response.chart?.can_visualize);
-           const viz = buildMessageViz({
-             sql: response.sql,
-             result: response.result,
-             chart: response.chart,
-           });
-            setMessages(prev => [...prev, { 
-                id: (Date.now() + 1).toString(), 
-                role: 'assistant', 
-                content: `已为你生成 SQL 并查询到 ${viz.rows.length} 行数据。${canVisualize ? '图表已附在回答下方。' : '本次结果不适合图表展示。'}${response.chart?.reasoning ? `\n\n可视化说明：${response.chart.reasoning}` : ''}`,
-                viz,
-            }]);
-         }
-      }
     } catch (error: any) {
         if (error?.name === "AbortError" || String(error?.message || "").toLowerCase().includes("aborted")) {
           setMessages((prev) =>
@@ -598,20 +548,6 @@ export function ChatInterface() {
                   
                   <div className="flex items-center justify-between mt-4 pt-2 border-t border-zinc-50">
                     <div className="flex items-center gap-2">
-                      {capabilities.map((cap) => (
-                        <button
-                          key={cap.label}
-                          onClick={() => setSelectedCapability(cap.label)}
-                          className={`flex items-center gap-1.5 px-3 py-1.5 rounded-full text-xs font-medium transition-colors ${
-                            selectedCapability === cap.label 
-                              ? `${cap.bg} ${cap.color} ring-1 ring-${cap.color.split('-')[1]}-200 shadow-sm` 
-                              : 'bg-zinc-50 text-zinc-500 hover:bg-zinc-100'
-                          }`}
-                        >
-                          <cap.icon className="h-3.5 w-3.5" />
-                          {cap.label}
-                        </button>
-                      ))}
                     </div>
                     
                     <div className="flex items-center gap-3">