diff --git a/script/todo/qemu_install_monitor.py b/script/todo/qemu_install_monitor.py
index ad0370b..16d13f1 100644
--- a/script/todo/qemu_install_monitor.py
+++ b/script/todo/qemu_install_monitor.py
@@ -89,22 +89,50 @@ def _launch_one(ip: str, remote_cmd: str, log_path: str) -> None:
     )
 
 
+def _log_header(vm: dict, branch: str, when: str) -> str:
+    """En-tête du log : date, VM, distribution, version, architecture, branche.
+    Permet d'identifier l'installation d'un coup d'œil (et de ne jamais laisser
+    le log vide pendant l'attente du boot)."""
+    distro = vm.get("distro") or "?"
+    version = vm.get("version") or ""
+    arch = vm.get("arch") or "?"
+    bar = "=" * 64
+    return (
+        f"{bar}\n"
+        f"  ERPLibre — {t('installation')}\n"
+        f"  Date         : {when}\n"
+        f"  VM           : {vm['name']}\n"
+        f"  Distribution : {distro} {version}\n"
+        f"  Architecture : {arch}\n"
+        f"  Branche      : {branch}\n"
+        f"  IP           : {vm['ip']}\n"
+        f"{bar}\n\n"
+    )
+
+
 def launch_installs(vms: list[dict], branch: str, remote_cmd: str) -> str:
-    """vms : [{name, ip}]. Lance chaque install détachée, écrit un manifeste
-    et retourne son chemin. remote_cmd : script exécuté dans chaque VM."""
+    """vms : [{name, ip, distro?, version?, arch?}]. Lance chaque install
+    détachée, écrit un manifeste et retourne son chemin. remote_cmd : script
+    exécuté dans chaque VM."""
     sdir = session_dir()
     stamp = time.strftime("%Y%m%d-%H%M%S")
+    when = time.strftime("%Y-%m-%d %H:%M:%S")
     logdir = sdir / stamp
     logdir.mkdir(parents=True, exist_ok=True)
     entries = []
     for vm in vms:
         log_path = str(logdir / f"{vm['name']}.log")
-        Path(log_path).write_text("")  # log vide = état « en attente »
+        # En-tête d'emblée (date/distro/version/arch) : le log n'est jamais
+        # vide, l'utilisateur voit tout de suite QUOI s'installe.
+        Path(log_path).write_text(_log_header(vm, branch, when))
         _launch_one(vm["ip"], remote_cmd, log_path)
         entries.append(
             {
                 "name": vm["name"],
                 "ip": vm["ip"],
+                "distro": vm.get("distro"),
+                "version": vm.get("version"),
+                "arch": vm.get("arch"),
                 "log": log_path,
                 "ssh": f"ssh erplibre@{vm['ip']}",
             }
diff --git a/script/todo/todo.py b/script/todo/todo.py
index 741f980..bd4ade2 100755
--- a/script/todo/todo.py
+++ b/script/todo/todo.py
@@ -1763,6 +1763,40 @@ class TODO:
         # Meilleur effort : le dernier bail (le plus récent) plutôt que le 1er.
         return cands[-1] if cands else None
 
+    def _qemu_vm_arch(self, name):
+        """Architecture d'une VM (jeton amd64/arm64/s390x) via virsh dumpxml."""
+        try:
+            res = subprocess.run(
+                ["sudo", "virsh", "dumpxml", name],
+                capture_output=True,
+                text=True,
+                timeout=15,
+            )
+        except (OSError, subprocess.SubprocessError):
+            return None
+        m = re.search(r"<type[^>]*\barch='([^']+)'", res.stdout)
+        if not m:
+            return None
+        return {
+            "x86_64": "amd64",
+            "aarch64": "arm64",
+            "s390x": "s390x",
+        }.get(m.group(1), m.group(1))
+
+    def _qemu_vm_meta(self, name, mod):
+        """(distro, version, arch) d'une VM déduits de son nom + son arch. Le
+        nom suit _qemu_infra_name(distro, version, arch) : on retrouve donc
+        (distro, version) en testant les combinaisons du catalogue."""
+        arch = self._qemu_vm_arch(name) or "amd64"
+        try:
+            for d, (versions, _default) in mod.DISTROS.items():
+                for v in versions:
+                    if self._qemu_infra_name(d, v, arch) == name:
+                        return d, v, arch
+        except Exception:
+            pass
+        return None, None, arch
+
     def _qemu_pick_branch(self):
         """Liste les branches distantes d'ERPLibre et en fait choisir une."""
         print(f"\n{t('Fetching ERPLibre branch list...')}")
@@ -1928,12 +1962,29 @@ class TODO:
         )
 
         remote = self._qemu_erplibre_remote_cmd(branch)
+        try:
+            mod = self._qemu_import_module()
+        except Exception:
+            mod = None
         vms = []
         for name in names:
             print(f"  {name}: {t('resolving IP...')}")
             ip = self._qemu_vm_ip(name)
             if ip:
-                vms.append({"name": name, "ip": ip})
+                d, v, a = (
+                    self._qemu_vm_meta(name, mod)
+                    if mod
+                    else (None, None, None)
+                )
+                vms.append(
+                    {
+                        "name": name,
+                        "ip": ip,
+                        "distro": d,
+                        "version": v,
+                        "arch": a,
+                    }
+                )
             else:
                 print(f"  {name}: {t('no IP, skipped.')}")
         if not vms:
diff --git a/script/todo/todo_i18n.py b/script/todo/todo_i18n.py
index 588b5fa..06cd6fe 100644
--- a/script/todo/todo_i18n.py
+++ b/script/todo/todo_i18n.py
@@ -1201,6 +1201,10 @@ TRANSLATIONS = {
         "fr": "Toutes les architectures supportées",
         "en": "All supported architectures",
     },
+    "installation": {
+        "fr": "installation",
+        "en": "installation",
+    },
     "(includes emulated architectures — some VMs are slow)": {
         "fr": "(inclut des architectures émulées — certaines VM sont lentes)",
         "en": "(includes emulated architectures — some VMs are slow)",