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TradingAgents
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This commit is contained in:
MarkLo127 2026-03-10 17:36:15 +08:00
parent 72d287baae
commit d0c04d4048
3 changed files with 140 additions and 20 deletions
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30
backend/test_chat.py Normal file
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@ -0,0 +1,30 @@
import asyncio
import httpx
import json
async def test():
# create a large dummy report ~1MB
large_reports = {"market": "dummy " * 100000}
payload = {
"message": "test context",
"reports": large_reports,
"ticker": "NVDA",
"analysis_date": "2025-01-01",
"model": "gpt-4o-mini",
"api_key": "dummy_key",
"base_url": "https://api.openai.com/v1",
"language": "zh-TW"
}
print("Payload size:", len(json.dumps(payload)))
async with httpx.AsyncClient() as client:
try:
resp = await client.post("http://localhost:8000/api/chat", json=payload, timeout=10)
print("Status:", resp.status_code)
print("Response:", resp.text[:200])
except Exception as e:
print("Failed:", e)
asyncio.run(test())

51
frontend/app/api/chat/route.ts Normal file
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@ -0,0 +1,51 @@
import { NextResponse } from "next/server";
export async function POST(req: Request) {
try {
const isDev = process.env.NODE_ENV === "development";
const backendUrl =
process.env.BACKEND_URL ||
(isDev ? "http://localhost:8000" : "http://backend:8000");
// Read the complete body from the request
const bodyText = await req.text();
console.log(`[API Route] Proxying /api/chat to ${backendUrl}/api/chat (${bodyText.length} bytes)`);
// Use native fetch to proxy the request to the backend.
// This bypasses the Next.js next.config.ts rewrites http-proxy,
// which has known bugs with large POST bodies and timeouts in standalone mode.
const response = await fetch(`${backendUrl}/api/chat`, {
method: "POST",
headers: {
"Content-Type": "application/json",
},
body: bodyText,
// @ts-ignore - Node.js fetch specific option to disable timeout
signal: AbortSignal.timeout ? AbortSignal.timeout(180_000) : undefined, // 3 minutes timeout
});
const data = await response.text();
if (!response.ok) {
console.error(`[API Route] Backend returned ${response.status}:`, data);
try {
const json = JSON.parse(data);
return NextResponse.json(json, { status: response.status });
} catch (e) {
return NextResponse.json(
{ detail: `Backend error: ${response.status}` },
{ status: response.status }
);
}
}
return NextResponse.json(JSON.parse(data));
} catch (error: any) {
console.error("[API Route] Proxy error:", error);
return NextResponse.json(
{ detail: `Failed to connect to backend: ${error.message}` },
{ status: 500 }
);
}
}

79
frontend/app/history/chat/page.tsx
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@ -4,6 +4,7 @@ import { useState, useEffect, useRef, Suspense } from "react";
import { useRouter, useSearchParams } from "next/navigation";
import ReactMarkdown from "react-markdown";
import remarkGfm from "remark-gfm";
import Image from "next/image";
import { useLanguage } from "@/contexts/LanguageContext";
import { useAuth } from "@/contexts/auth-context";
import { getApiSettingsAsync } from "@/lib/storage";
@ -40,20 +41,48 @@ interface ChatMessage {
}
const AVAILABLE_MODELS = [
{ id: "auto", name: "🤖 自動選擇 (Auto)", provider: "auto" },
{ id: "gpt-4o", name: "GPT-4o", provider: "openai" },
{ id: "gpt-4o-mini", name: "GPT-4o Mini", provider: "openai" },
{ id: "o1-mini", name: "o1-mini", provider: "openai" },
{ id: "o3-mini", name: "o3-mini", provider: "openai" },
{ id: "claude-3-5-sonnet-20241022", name: "Claude 3.5 Sonnet", provider: "anthropic" },
{ id: "claude-3-5-haiku-20241022", name: "Claude 3.5 Haiku", provider: "anthropic" },
{ id: "gemini-2.5-flash", name: "Gemini 2.5 Flash", provider: "google" },
{ id: "gemini-2.5-pro", name: "Gemini 2.5 Pro", provider: "google" },
{ id: "grok-2-1212", name: "Grok 2", provider: "grok" },
{ id: "deepseek-chat", name: "DeepSeek Chat", provider: "deepseek" },
{ id: "deepseek-reasoner", name: "DeepSeek Reasoner", provider: "deepseek" },
{ id: "qwen-max", name: "Qwen Max", provider: "qwen" },
{ id: "custom", name: "⚙️ 其他 (自訂模型)", provider: "custom" },
// OpenAI
{ id: "gpt-5.2-2025-12-11", name: "GPT-5.2", provider: "openai", logo: "/logos/openai.svg" },
{ id: "gpt-5.1", name: "GPT-5.1", provider: "openai", logo: "/logos/openai.svg" },
{ id: "gpt-5-mini", name: "GPT-5 Mini", provider: "openai", logo: "/logos/openai.svg" },
{ id: "gpt-5-nano", name: "GPT-5 Nano", provider: "openai", logo: "/logos/openai.svg" },
{ id: "gpt-4.1-mini", name: "GPT-4.1 Mini", provider: "openai", logo: "/logos/openai.svg" },
{ id: "gpt-4.1-nano", name: "GPT-4.1 Nano", provider: "openai", logo: "/logos/openai.svg" },
{ id: "o4-mini", name: "o4-mini", provider: "openai", logo: "/logos/openai.svg" },
// Anthropic
{ id: "claude-sonnet-4-5-20250929", name: "Claude Sonnet 4.5", provider: "anthropic", logo: "/logos/claude-color.svg" },
{ id: "claude-haiku-4-5-20251001", name: "Claude Haiku 4.5", provider: "anthropic", logo: "/logos/claude-color.svg" },
{ id: "claude-sonnet-4-20250514", name: "Claude Sonnet 4", provider: "anthropic", logo: "/logos/claude-color.svg" },
{ id: "claude-3-haiku-20240307", name: "Claude 3 Haiku", provider: "anthropic", logo: "/logos/claude-color.svg" },
// Google
{ id: "gemini-2.5-pro", name: "Gemini 2.5 Pro", provider: "google", logo: "/logos/gemini-color.svg" },
{ id: "gemini-2.5-flash", name: "Gemini 2.5 Flash", provider: "google", logo: "/logos/gemini-color.svg" },
{ id: "gemini-2.5-flash-lite", name: "Gemini 2.5 Flash Lite", provider: "google", logo: "/logos/gemini-color.svg" },
{ id: "gemini-2.0-flash", name: "Gemini 2.0 Flash", provider: "google", logo: "/logos/gemini-color.svg" },
{ id: "gemini-2.0-flash-lite", name: "Gemini 2.0 Flash Lite", provider: "google", logo: "/logos/gemini-color.svg" },
// Grok
{ id: "grok-4-1-fast-reasoning", name: "Grok 4.1 Fast Reasoning", provider: "grok", logo: "/logos/grok.svg" },
{ id: "grok-4-1-fast-non-reasoning", name: "Grok 4.1 Fast Non Reasoning", provider: "grok", logo: "/logos/grok.svg" },
{ id: "grok-4-fast-reasoning", name: "Grok 4 Fast Reasoning", provider: "grok", logo: "/logos/grok.svg" },
{ id: "grok-4-fast-non-reasoning", name: "Grok 4 Fast Non Reasoning", provider: "grok", logo: "/logos/grok.svg" },
{ id: "grok-4-0709", name: "Grok 4", provider: "grok", logo: "/logos/grok.svg" },
{ id: "grok-3", name: "Grok 3", provider: "grok", logo: "/logos/grok.svg" },
{ id: "grok-3-mini", name: "Grok 3 Mini", provider: "grok", logo: "/logos/grok.svg" },
// DeepSeek
{ id: "deepseek-reasoner", name: "DeepSeek Reasoner", provider: "deepseek", logo: "/logos/deepseek-color.svg" },
{ id: "deepseek-chat", name: "DeepSeek Chat", provider: "deepseek", logo: "/logos/deepseek-color.svg" },
// Qwen
{ id: "qwen3-max", name: "Qwen 3 Max", provider: "qwen", logo: "/logos/qwen-color.svg" },
{ id: "qwen-plus", name: "Qwen Plus", provider: "qwen", logo: "/logos/qwen-color.svg" },
{ id: "qwen-flash", name: "Qwen Flash", provider: "qwen", logo: "/logos/qwen-color.svg" },
// Custom
{ id: "custom", name: "Other (自訂模型)", provider: "custom", logo: null },
];
function HistoryChatContent() {
@ -69,7 +98,8 @@ function HistoryChatContent() {
const [report, setReport] = useState<SavedReport | null>(null);
const [loadingReport, setLoadingReport] = useState(true);
const [selectedModelId, setSelectedModelId] = useState<string>("auto");
// Default to GPT-5 Mini
const [selectedModelId, setSelectedModelId] = useState<string>("gpt-5-mini");
const [customModel, setCustomModel] = useState<string>("");
const messagesEndRef = useRef<HTMLDivElement>(null);
@ -173,8 +203,8 @@ function HistoryChatContent() {
const activeModelId = selectedModelId === "custom" ? customModel.trim() : selectedModelId;
if (selectedModelId === "auto" || !activeModelId) {
// Auto logic: Pick first available
if (!activeModelId) {
// Auto logic wrapper (now acts as a fallback if custom is empty)
for (const [providerName, providerData] of Object.entries(providers)) {
if (providerData.key && providerData.key.trim() !== "") {
apiKey = providerData.key;
@ -449,16 +479,25 @@ function HistoryChatContent() {
{/* Model Selector */}
<div className="flex flex-wrap items-center gap-2">
<Select value={selectedModelId} onValueChange={setSelectedModelId}>
<SelectTrigger className="w-fit min-w-[160px] h-8 text-xs bg-white dark:bg-gray-800 rounded-full border border-gray-200 dark:border-gray-700 hover:bg-gray-50 dark:hover:bg-gray-700/50 shadow-sm transition-colors">
<SelectTrigger className="w-fit min-w-[200px] h-9 text-sm bg-white dark:bg-gray-800 rounded-full border border-gray-200 dark:border-gray-700 hover:bg-gray-50 dark:hover:bg-gray-700/50 shadow-sm transition-colors">
<div className="flex items-center gap-2 text-gray-700 dark:text-gray-300">
<Settings2 className="h-3 w-3 text-purple-500" />
{(() => {
const activeModel = AVAILABLE_MODELS.find(m => m.id === selectedModelId);
if (activeModel?.logo) {
return <Image src={activeModel.logo} alt={activeModel.provider} width={16} height={16} className="shrink-0" />;
}
return <Settings2 className="h-4 w-4 text-purple-500 shrink-0" />;
})()}
<SelectValue placeholder="選擇模型" />
</div>
</SelectTrigger>
<SelectContent className="max-h-[300px]">
{AVAILABLE_MODELS.map((m) => (
<SelectItem key={m.id} value={m.id} className="cursor-pointer text-xs sm:text-sm">
{m.name}
<div className="flex items-center gap-2">
{m.logo && <Image src={m.logo} alt={m.provider} width={16} height={16} className="shrink-0" />}
<span>{m.name}</span>
</div>
</SelectItem>
))}
</SelectContent>