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_nvidia_api.py

@@ -0,0 +1,35 @@
+"""
+测试 NVIDIA API 连接
+"""
+from openai import OpenAI
+
+client = OpenAI(
+    base_url="https://integrate.api.nvidia.com/v1",
+    api_key="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"
+)
+
+try:
+    print("开始测试 API 调用...")
+    completion = client.chat.completions.create(
+        model="deepseek-ai/deepseek-r1",
+        messages=[{"role": "user", "content": "你好，请简单介绍一下你自己"}],
+        temperature=0.6,
+        top_p=0.7,
+        max_tokens=4096,
+        stream=False,
+        timeout=120
+    )
+
+    reasoning = getattr(completion.choices[0].message, "reasoning_content", None)
+    if reasoning:
+        print("推理过程:")
+        print(reasoning)
+        print("\n" + "="*50 + "\n")
+
+    print("回答内容:")
+    print(completion.choices[0].message.content)
+    print("\n" + "="*50)
+    print("API 调用成功！")
+
+except Exception as e:
+    print(f"API 调用失败: {type(e).__name__}: {e}")