Go: rangement des 45 fichiers par domaine (cli_/web_/chat_/llm_/backend_/relay_/sys_) + doc.go carte du code - renommages purs (git mv) + maj des noms cites en commentaires, zero changement de code

sys_service.go

@@ -0,0 +1,69 @@
+package main
+
+import (
+	"fmt"
+	"os"
+	"os/exec"
+	"strconv"
+	"strings"
+)
+
+// sys_service.go holds the platform-neutral pieces of service management. The
+// actual start/stop/restart/status/logs implementation is platform-specific:
+//   - sys_service_linux.go   → systemd (systemctl/journalctl)
+//   - sys_service_darwin.go  → launchd (launchctl)
+//   - sys_service_windows.go → PID-file background process supervisor
+//
+// editConfig and showVram live here because they work the same everywhere.
+
+func editConfig() error {
+	editor := os.Getenv("EDITOR")
+	if editor == "" {
+		editor = defaultEditor()
+	}
+	cmd := exec.Command(editor, confPath())
+	cmd.Stdin = os.Stdin
+	cmd.Stdout = os.Stdout
+	cmd.Stderr = os.Stderr
+	if err := cmd.Run(); err != nil {
+		return err
+	}
+	fmt.Println(dim("[info] jean restart pour appliquer"))
+	return nil
+}
+
+// showVram parses `nvidia-smi --query-gpu=...` and renders a colored bar.
+// nvidia-smi is available on both Linux and Windows when an NVIDIA driver is
+// installed, so this is platform-neutral.
+func showVram() error {
+	out, err := hideCmd(exec.Command("nvidia-smi",
+		"--query-gpu=name,memory.used,memory.total,utilization.gpu,temperature.gpu",
+		"--format=csv,noheader,nounits")).Output()
+	if err != nil {
+		return fmt.Errorf("nvidia-smi indisponible: %w", err)
+	}
+	for _, line := range strings.Split(strings.TrimSpace(string(out)), "\n") {
+		parts := strings.Split(line, ",")
+		if len(parts) != 5 {
+			continue
+		}
+		for i := range parts {
+			parts[i] = strings.TrimSpace(parts[i])
+		}
+		name := parts[0]
+		used, _ := strconv.Atoi(parts[1])
+		total, _ := strconv.Atoi(parts[2])
+		util, _ := strconv.Atoi(parts[3])
+		temp, _ := strconv.Atoi(parts[4])
+		pct := 0
+		if total > 0 {
+			pct = used * 100 / total
+		}
+		full := pct / 5
+		bar := strings.Repeat("█", full) + strings.Repeat("░", 20-full)
+		fmt.Printf("\n  %s\n", cyan(name))
+		fmt.Printf("  VRAM  %s  %3d%%   %.1f / %.1f GiB\n", green(bar), pct, float64(used)/1024, float64(total)/1024)
+		fmt.Printf("  GPU   %3d%%      Temp  %d°C\n\n", util, temp)
+	}
+	return nil
+}