[#2] agent使用pyinstaller打包成二进制可执行文件，通过环境变量指定master endpoint和上报间隔

src/agent/app/collector.py

@@ -27,7 +27,7 @@ def collect_metadata(config: AgentConfig) -> Dict[str, Any]:
         "instance": instance,
         "cpu_number": _detect_cpu_count(),
         "memory_in_bytes": _detect_memory_bytes(),
-        "gpu_number": _detect_gpu_count(config),
+        "gpu_number": _detect_gpu_count(),
     }
     return meta
 
@@ -70,11 +70,8 @@ def _detect_memory_bytes() -> int:
     return 0
 
 
-def _detect_gpu_count(config: AgentConfig) -> int:
-    """采集 GPU 数量，可被配置覆盖。"""
-    if config.gpu_number_override is not None:
-        return config.gpu_number_override
-
+def _detect_gpu_count() -> int:
+    """采集 GPU 数量，如无法探测则默认为 0。"""
     try:
         proc = subprocess.run(
             ["nvidia-smi", "-L"],