From 09a28836ca5d36e9c1223adf515e13be2c860f71 Mon Sep 17 00:00:00 2001
From: DBT <nvue.dev@gmail.com>
Date: Sun, 1 Mar 2026 13:04:58 +0000
Subject: [PATCH] ci cross-platform fix: make system_info disk usage helper
 windows-safe with build tags

---
 pkg/tools/system.go              | 12 ++----------
 pkg/tools/system_disk_unix.go    | 22 ++++++++++++++++++++++
 pkg/tools/system_disk_windows.go |  7 +++++++
 3 files changed, 31 insertions(+), 10 deletions(-)
 create mode 100644 pkg/tools/system_disk_unix.go
 create mode 100644 pkg/tools/system_disk_windows.go

diff --git a/pkg/tools/system.go b/pkg/tools/system.go
index 465147a..4cbb089 100644
--- a/pkg/tools/system.go
+++ b/pkg/tools/system.go
@@ -6,7 +6,6 @@ import (
 	"os"
 	"runtime"
 	"strings"
-	"syscall"
 )
 
 type SystemInfoTool struct{}
@@ -87,15 +86,8 @@ func (t *SystemInfoTool) Execute(ctx context.Context, args map[string]interface{
 		}
 	}
 
-	// Disk usage for /
-	var stat syscall.Statfs_t
-	if err := syscall.Statfs("/", &stat); err == nil {
-		bsize := uint64(stat.Bsize)
-		total := stat.Blocks * bsize
-		free := stat.Bfree * bsize
-		used := total - free
-		sb.WriteString(fmt.Sprintf("Disk (/): Used %.2f GB / Total %.2f GB (%.2f%%)\n",
-			float64(used)/1024/1024/1024, float64(total)/1024/1024/1024, float64(used)/float64(total)*100))
+	if diskLine := diskUsageRoot(); diskLine != "" {
+		sb.WriteString(diskLine)
 	}
 
 	return sb.String(), nil
diff --git a/pkg/tools/system_disk_unix.go b/pkg/tools/system_disk_unix.go
new file mode 100644
index 0000000..f9cf9eb
--- /dev/null
+++ b/pkg/tools/system_disk_unix.go
@@ -0,0 +1,22 @@
+//go:build !windows
+
+package tools
+
+import "fmt"
+import "syscall"
+
+func diskUsageRoot() string {
+	var stat syscall.Statfs_t
+	if err := syscall.Statfs("/", &stat); err != nil {
+		return ""
+	}
+	bsize := uint64(stat.Bsize)
+	total := stat.Blocks * bsize
+	free := stat.Bfree * bsize
+	used := total - free
+	if total == 0 {
+		return ""
+	}
+	return fmt.Sprintf("Disk (/): Used %.2f GB / Total %.2f GB (%.2f%%)\n",
+		float64(used)/1024/1024/1024, float64(total)/1024/1024/1024, float64(used)/float64(total)*100)
+}
diff --git a/pkg/tools/system_disk_windows.go b/pkg/tools/system_disk_windows.go
new file mode 100644
index 0000000..9012f73
--- /dev/null
+++ b/pkg/tools/system_disk_windows.go
@@ -0,0 +1,7 @@
+//go:build windows
+
+package tools
+
+func diskUsageRoot() string {
+	return ""
+}