Merge branch 'master' into rc/5.2

解决合并冲突:
- .github/workflows/release.yml: 统一使用codeagent-wrapper目录和输出名称
- codeagent-wrapper/main_test.go: 合并HEAD的新测试(Claude/Gemini事件解析)和master的测试改进
- 接受master的新文件: .gitignore, process_check_* 到codeagent-wrapper目录
- 确认删除: codex-wrapper/main.go (已重命名)

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude Sonnet 4.5 <noreply@anthropic.com>

codeagent-wrapper/process_check_windows.go

@@ -0,0 +1,87 @@
+//go:build windows
+// +build windows
+
+package main
+
+import (
+	"errors"
+	"os"
+	"syscall"
+	"time"
+	"unsafe"
+)
+
+const (
+	processQueryLimitedInformation = 0x1000
+	stillActive                    = 259 // STILL_ACTIVE exit code
+)
+
+var (
+	findProcess       = os.FindProcess
+	kernel32          = syscall.NewLazyDLL("kernel32.dll")
+	getProcessTimes   = kernel32.NewProc("GetProcessTimes")
+	fileTimeToUnixFn  = fileTimeToUnix
+)
+
+// isProcessRunning returns true if a process with the given pid is running on Windows.
+func isProcessRunning(pid int) bool {
+	if pid <= 0 {
+		return false
+	}
+
+	if _, err := findProcess(pid); err != nil {
+		return false
+	}
+
+	handle, err := syscall.OpenProcess(processQueryLimitedInformation, false, uint32(pid))
+	if err != nil {
+		if errors.Is(err, syscall.ERROR_ACCESS_DENIED) {
+			return true
+		}
+		return false
+	}
+	defer syscall.CloseHandle(handle)
+
+	var exitCode uint32
+	if err := syscall.GetExitCodeProcess(handle, &exitCode); err != nil {
+		return true
+	}
+
+	return exitCode == stillActive
+}
+
+// getProcessStartTime returns the start time of a process on Windows.
+// Returns zero time if the start time cannot be determined.
+func getProcessStartTime(pid int) time.Time {
+	if pid <= 0 {
+		return time.Time{}
+	}
+
+	handle, err := syscall.OpenProcess(processQueryLimitedInformation, false, uint32(pid))
+	if err != nil {
+		return time.Time{}
+	}
+	defer syscall.CloseHandle(handle)
+
+	var creationTime, exitTime, kernelTime, userTime syscall.Filetime
+	ret, _, _ := getProcessTimes.Call(
+		uintptr(handle),
+		uintptr(unsafe.Pointer(&creationTime)),
+		uintptr(unsafe.Pointer(&exitTime)),
+		uintptr(unsafe.Pointer(&kernelTime)),
+		uintptr(unsafe.Pointer(&userTime)),
+	)
+
+	if ret == 0 {
+		return time.Time{}
+	}
+
+	return fileTimeToUnixFn(creationTime)
+}
+
+// fileTimeToUnix converts Windows FILETIME to Unix time.
+func fileTimeToUnix(ft syscall.Filetime) time.Time {
+	// FILETIME is 100-nanosecond intervals since January 1, 1601 UTC
+	nsec := ft.Nanoseconds()
+	return time.Unix(0, nsec)
+}