现有组件功能与Amesim组件比较对齐，补全功能；仿真服务启动环境检测，旧版json工程文件适配读取

app/simulation/native_codegen/processes.py

@@ -0,0 +1,35 @@
+"""Portable process setup and classification for the native compiler driver.
+
+MinGW maps different CreateProcess failures to ENOENT. That text does not prove
+the compiler/subprogram is missing; never treat a C diagnostic as a launch retry.
+"""
+from __future__ import annotations
+
+import os
+from pathlib import Path
+import re
+import shutil
+
+IS_WINDOWS = os.name == 'nt'
+LAUNCH_RETRY_DELAYS = (0.05, 0.1, 0.2, 0.35, 0.5)
+
+
+def command_environment(executable: str) -> dict[str, str] | None:
+    if not IS_WINDOWS:
+        return None  # Preserve the Linux toolchain and environment unchanged.
+    env = os.environ.copy()
+    path_key = next((key for key in env if key.upper() == 'PATH'), 'PATH')
+    directory = str(Path(shutil.which(executable) or executable).resolve().parent)
+    env[path_key] = directory + os.pathsep + env.get(path_key, '')
+    return env
+
+
+def is_driver_launch_failure(stderr: str) -> bool:
+    # GCC 8 emits "gcc.exe: error: CreateProcess: ..."; other releases add
+    # "cannot execute 'cc1':". Anchor the driver diagnostic, not source text.
+    return IS_WINDOWS and bool(re.search(
+        r'(?im)^(?:[^\r\n]*[/\\])?[\w.+-]*gcc(?:\.exe)?: (?:fatal )?error: (?:cannot execute [^\r\n]*: )?CreateProcess:', stderr))
+
+
+def is_transient_process_error(exc: OSError) -> bool:
+    return IS_WINDOWS and getattr(exc, 'winerror', None) in (5, 32, 1450, 1455)