feat: 新增股票数据波形图和截图功能

refactor: 重构数据库和LLM分析器逻辑

fix: 修复爬虫解析和UI显示问题

docs: 更新配置文件和注释

style: 优化代码格式和日志输出

test_api.py

@@ -0,0 +1,32 @@
+import os
+from openai import OpenAI
+
+# 设置 API key 为环境变量
+os.environ["NVIDIA_API_KEY"] = "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"
+
+client = OpenAI(
+  base_url="https://integrate.api.nvidia.com/v1",
+  api_key=os.environ["NVIDIA_API_KEY"]
+)
+
+print("正在测试 API 连接...")
+print("发送消息: 天气")
+print("-" * 50)
+
+completion = client.chat.completions.create(
+  model="deepseek-ai/deepseek-r1",
+  messages=[{"role": "user", "content": "天气"}],
+  temperature=0.6,
+  top_p=0.7,
+  max_tokens=4096,
+  stream=False
+)
+
+reasoning = getattr(completion.choices[0].message, "reasoning_content", None)
+if reasoning:
+    print("推理过程:")
+    print(reasoning)
+    print("-" * 50)
+
+print("回答:")
+print(completion.choices[0].message.content)