diff --git a/android/src/services/brainApi.ts b/android/src/services/brainApi.ts
index 3daba4b..29d1437 100644
--- a/android/src/services/brainApi.ts
+++ b/android/src/services/brainApi.ts
@@ -176,6 +176,18 @@ export interface ProjectStatus {
   projects: Project[];
 }
 
+/** QEMU-VM eines Projekts (Registry + Live-Status). */
+export interface ProjectVm {
+  name: string;
+  arch: string;
+  iso?: string;
+  vnc_display: number;
+  mem: number;
+  running?: boolean;
+  vnc_port?: number;
+  created_at?: number;
+}
+
 /** Queue-Status pro Kontext — was gerade arbeitet, was wartet.
  *  Key "__main__" = Hauptchat, sonst project_id. */
 export interface QueueContextStatus {
@@ -626,6 +638,23 @@ export const brainApi = {
     return _send(`/projects/${encodeURIComponent(projectId)}/file?path=${encodeURIComponent(path)}`);
   },
 
+  // ── QEMU-VMs pro Projekt ─────────────────────────────────────────
+  listProjectVms(projectId: string): Promise<{ projectId: string; vms: ProjectVm[] }> {
+    return _send(`/projects/${encodeURIComponent(projectId)}/vms`, { timeoutMs: 20000 });
+  },
+  addProjectVm(projectId: string, body: { name: string; arch?: string; iso?: string; vnc_display?: number; mem?: number; create_disk?: boolean; size?: string }): Promise<ProjectVm> {
+    return _send(`/projects/${encodeURIComponent(projectId)}/vms`, { method: 'POST', body, timeoutMs: 30000 });
+  },
+  removeProjectVm(projectId: string, name: string, purge = false): Promise<{ ok: boolean }> {
+    return _send(`/projects/${encodeURIComponent(projectId)}/vms/${encodeURIComponent(name)}?purge=${purge ? 'true' : 'false'}`, { method: 'DELETE' });
+  },
+  bootProjectVm(projectId: string, name: string): Promise<{ ok: boolean; vnc_port: number; output: string }> {
+    return _send(`/projects/${encodeURIComponent(projectId)}/vms/${encodeURIComponent(name)}/boot`, { method: 'POST', timeoutMs: 45000 });
+  },
+  stopProjectVm(projectId: string, name: string): Promise<{ ok: boolean; output: string }> {
+    return _send(`/projects/${encodeURIComponent(projectId)}/vms/${encodeURIComponent(name)}/stop`, { method: 'POST', timeoutMs: 30000 });
+  },
+
   /** Projekt verstecken / wieder sichtbar machen (bleibt voll nutzbar). */
   setProjectHidden(projectId: string, hidden: boolean): Promise<Project> {
     return _send(`/projects/${encodeURIComponent(projectId)}`, {
diff --git a/android/src/workspace/WorkspaceDeck.tsx b/android/src/workspace/WorkspaceDeck.tsx
index 3349feb..6cccbd2 100644
--- a/android/src/workspace/WorkspaceDeck.tsx
+++ b/android/src/workspace/WorkspaceDeck.tsx
@@ -16,7 +16,7 @@ import { useWorkspaceLayout } from './useWorkspaceLayout';
 import WorkspaceDock from './WorkspaceDock';
 import ChatTile from './tiles/ChatTile';
 import CodeEditorTile from './tiles/CodeEditorTile';
-import VncTile from './tiles/VncTile';
+import DesktopTile from './tiles/DesktopTile';
 
 interface Props {
   projectId: string;
@@ -58,7 +58,7 @@ const WorkspaceDeck: React.FC<Props> = ({ projectId, panels, badges }) => {
     switch (id) {
       case 'chat': return <ChatTile />;
       case 'editor': return <CodeEditorTile projectId={projectId} />;
-      case 'vnc': return <VncTile projectId={projectId} focused={active === 'vnc'} />;
+      case 'vnc': return <DesktopTile projectId={projectId} focused={active === 'vnc'} />;
       default: return null;
     }
   };
diff --git a/android/src/workspace/tiles/DesktopTile.tsx b/android/src/workspace/tiles/DesktopTile.tsx
new file mode 100644
index 0000000..3c7aeee
--- /dev/null
+++ b/android/src/workspace/tiles/DesktopTile.tsx
@@ -0,0 +1,154 @@
+/**
+ * DesktopTile — das Desktop-Panel eines Code-Projekts.
+ *
+ * Zeigt die (pro Projekt gefuehrte) QEMU-VM-Liste: leer, bis ARIA per
+ * vm_register eine VM eintraegt. Pro VM: Start / Stop / Verbinden. „Verbinden"
+ * oeffnet die noVNC-Ansicht (VncTile) fuer den VNC-Port dieser VM.
+ */
+
+import React, { useCallback, useEffect, useState } from 'react';
+import { ActivityIndicator, ScrollView, StyleSheet, Text, TouchableOpacity, View } from 'react-native';
+import brainApi, { ProjectVm } from '../../services/brainApi';
+import VncTile from './VncTile';
+
+interface Props {
+  projectId: string;
+  focused: boolean;
+}
+
+const DesktopTile: React.FC<Props> = ({ projectId, focused }) => {
+  const [vms, setVms] = useState<ProjectVm[]>([]);
+  const [loading, setLoading] = useState(false);
+  const [err, setErr] = useState('');
+  const [busy, setBusy] = useState('');           // VM-Name, der gerade bootet/stoppt
+  const [connected, setConnected] = useState<ProjectVm | null>(null);
+
+  const load = useCallback(() => {
+    setLoading(true); setErr('');
+    brainApi.listProjectVms(projectId)
+      .then(r => setVms(r.vms || []))
+      .catch(e => setErr(String(e?.message || e)))
+      .finally(() => setLoading(false));
+  }, [projectId]);
+
+  useEffect(() => {
+    if (focused && !connected) load();
+  }, [focused, projectId, connected, load]);
+
+  const boot = useCallback((vm: ProjectVm) => {
+    setBusy(vm.name);
+    brainApi.bootProjectVm(projectId, vm.name)
+      .then(() => load())
+      .catch(e => setErr(String(e?.message || e)))
+      .finally(() => setBusy(''));
+  }, [projectId, load]);
+
+  const stop = useCallback((vm: ProjectVm) => {
+    setBusy(vm.name);
+    brainApi.stopProjectVm(projectId, vm.name)
+      .then(() => load())
+      .catch(e => setErr(String(e?.message || e)))
+      .finally(() => setBusy(''));
+  }, [projectId, load]);
+
+  if (!focused) {
+    return (
+      <View style={styles.placeholder}>
+        <Text style={styles.icon}>🖥️</Text>
+        <Text style={styles.text}>Desktop</Text>
+        <Text style={styles.sub}>Panel öffnen für VM-Liste</Text>
+      </View>
+    );
+  }
+
+  // Verbunden → noVNC-Ansicht der VM + Zurück-Leiste.
+  if (connected) {
+    return (
+      <View style={styles.container}>
+        <View style={styles.bar}>
+          <TouchableOpacity onPress={() => setConnected(null)} style={styles.barBtn}>
+            <Text style={styles.barBtnText}>‹ VMs</Text>
+          </TouchableOpacity>
+          <Text style={styles.barTitle} numberOfLines={1}>{connected.name} · :{connected.vnc_display}</Text>
+        </View>
+        <VncTile projectId={projectId} focused port={connected.vnc_port || (5900 + (connected.vnc_display || 1))} />
+      </View>
+    );
+  }
+
+  return (
+    <View style={styles.container}>
+      <View style={styles.bar}>
+        <Text style={styles.barTitle}>Virtuelle Maschinen</Text>
+        <TouchableOpacity onPress={load} style={styles.barBtn}><Text style={styles.barBtnText}>↻</Text></TouchableOpacity>
+      </View>
+      <ScrollView contentContainerStyle={{ padding: 12 }}>
+        {loading && vms.length === 0 ? (
+          <ActivityIndicator color="#0096FF" style={{ marginTop: 20 }} />
+        ) : err ? (
+          <Text style={styles.err}>{err}</Text>
+        ) : vms.length === 0 ? (
+          <Text style={styles.empty}>
+            Noch keine VM in diesem Projekt.{'\n'}
+            Sag ARIA z.B. „bau eine QEMU-VM zum Testen" — sie registriert sie hier,
+            dann kannst du sie starten und verbinden.
+          </Text>
+        ) : (
+          vms.map(vm => {
+            const isBusy = busy === vm.name;
+            return (
+              <View key={vm.name} style={styles.vmRow}>
+                <View style={{ flex: 1 }}>
+                  <Text style={styles.vmName}>
+                    <Text style={{ color: vm.running ? '#34C759' : '#555570' }}>●</Text> {vm.name}
+                  </Text>
+                  <Text style={styles.vmMeta}>{vm.arch} · Display :{vm.vnc_display} · {vm.running ? 'läuft' : 'gestoppt'}</Text>
+                </View>
+                <View style={styles.vmBtns}>
+                  {isBusy ? (
+                    <ActivityIndicator color="#0096FF" />
+                  ) : vm.running ? (
+                    <>
+                      <TouchableOpacity onPress={() => setConnected(vm)} style={[styles.vmBtn, { borderColor: '#0096FF' }]}>
+                        <Text style={[styles.vmBtnText, { color: '#0096FF' }]}>Verbinden</Text>
+                      </TouchableOpacity>
+                      <TouchableOpacity onPress={() => stop(vm)} style={[styles.vmBtn, { borderColor: '#E55C5C' }]}>
+                        <Text style={[styles.vmBtnText, { color: '#E55C5C' }]}>Stop</Text>
+                      </TouchableOpacity>
+                    </>
+                  ) : (
+                    <TouchableOpacity onPress={() => boot(vm)} style={[styles.vmBtn, { borderColor: '#34C759' }]}>
+                      <Text style={[styles.vmBtnText, { color: '#34C759' }]}>Start</Text>
+                    </TouchableOpacity>
+                  )}
+                </View>
+              </View>
+            );
+          })
+        )}
+      </ScrollView>
+    </View>
+  );
+};
+
+const styles = StyleSheet.create({
+  container: { flex: 1, backgroundColor: '#0D0D1A' },
+  placeholder: { flex: 1, backgroundColor: '#000', alignItems: 'center', justifyContent: 'center' },
+  icon: { fontSize: 64, marginBottom: 16 },
+  text: { color: '#FFFFFF', fontSize: 18, fontWeight: '700' },
+  sub: { color: '#9090B0', fontSize: 14, marginTop: 8 },
+  bar: { height: 40, flexDirection: 'row', alignItems: 'center', paddingHorizontal: 12, backgroundColor: '#12122A', borderBottomColor: '#1E1E2E', borderBottomWidth: 1 },
+  barTitle: { color: '#E0E0F0', fontSize: 14, fontWeight: '700', flex: 1 },
+  barBtn: { paddingHorizontal: 10, paddingVertical: 4 },
+  barBtnText: { color: '#0096FF', fontSize: 14, fontWeight: '700' },
+  empty: { color: '#8888AA', fontSize: 13, lineHeight: 20, textAlign: 'center', marginTop: 24 },
+  err: { color: '#FF6E6E', fontSize: 13, marginTop: 16 },
+  vmRow: { flexDirection: 'row', alignItems: 'center', backgroundColor: '#12122A', borderRadius: 10, padding: 12, marginBottom: 8 },
+  vmName: { color: '#E0E0F0', fontSize: 15, fontWeight: '700' },
+  vmMeta: { color: '#8888AA', fontSize: 12, marginTop: 3 },
+  vmBtns: { flexDirection: 'row', gap: 6, alignItems: 'center' },
+  vmBtn: { borderWidth: 1, borderRadius: 8, paddingHorizontal: 10, paddingVertical: 6 },
+  vmBtnText: { fontSize: 12, fontWeight: '700' },
+});
+
+export default DesktopTile;
diff --git a/android/src/workspace/tiles/VncTile.tsx b/android/src/workspace/tiles/VncTile.tsx
index 08caefe..eefad01 100644
--- a/android/src/workspace/tiles/VncTile.tsx
+++ b/android/src/workspace/tiles/VncTile.tsx
@@ -16,9 +16,10 @@ import { NOVNC_HTML } from '../assets/novncHtml';
 interface Props {
   projectId: string;
   focused: boolean;
+  port?: number; // VNC-Port der zu verbindenden VM (Default 5901 = Display :1)
 }
 
-const VncTile: React.FC<Props> = ({ projectId, focused }) => {
+const VncTile: React.FC<Props> = ({ projectId, focused, port = 5901 }) => {
   const webRef = useRef<WebView>(null);
   const [status, setStatus] = useState<'idle' | 'connecting' | 'connected' | 'disconnected'>('idle');
   const unsubDataRef = useRef<null | (() => void)>(null);
@@ -46,7 +47,7 @@ const VncTile: React.FC<Props> = ({ projectId, focused }) => {
         const js = `window.ariaVnc && window.ariaVnc.onData(${JSON.stringify(b64)}); true;`;
         webRef.current?.injectJavaScript(js);
       });
-      desktop.openVnc(projectId);
+      desktop.openVnc(projectId, port);
     } else if (m.event === 'vnc_send') {
       desktop.sendInput(m.b64);
     } else if (m.event === 'vnc_close') {
@@ -55,7 +56,7 @@ const VncTile: React.FC<Props> = ({ projectId, focused }) => {
       if (m.state === 'connected') setStatus('connected');
       else if (m.state === 'disconnected') setStatus('disconnected');
     }
-  }, [projectId]);
+  }, [projectId, port]);
 
   if (!focused) {
     return (
diff --git a/aria-brain/agent.py b/aria-brain/agent.py
index d91b9a6..a6af380 100644
--- a/aria-brain/agent.py
+++ b/aria-brain/agent.py
@@ -37,6 +37,7 @@ import triggers as triggers_mod
 import watcher as watcher_mod
 import oauth as oauth_mod
 import projects as projects_mod
+import project_vms as project_vms_mod
 
 BRIDGE_URL = os.environ.get("BRIDGE_URL", "http://aria-bridge:8090")
 # SearXNG (self-hosted Meta-Suche) — Backend fuers web_search-Tool (B1b).
@@ -1161,6 +1162,38 @@ META_TOOLS = [
             },
         },
     },
+    {
+        "type": "function",
+        "function": {
+            "name": "vm_register",
+            "description": (
+                "Traegt eine QEMU-VM in die VM-Liste des AKTUELLEN Projekts ein, "
+                "damit sie in Stefans Desktop-Panel (Cockpit) erscheint und er sie "
+                "starten/stoppen/verbinden kann. Rufe das auf, NACHDEM Du mit aria-vm "
+                "eine VM gebaut/gebootet hast (z.B. bei einem OS-Bau-Projekt). "
+                "vnc_display bestimmt den VNC-Port (Port = 5900+display)."
+            ),
+            "parameters": {
+                "type": "object",
+                "properties": {
+                    "name": {"type": "string", "description": "VM-Name wie bei aria-vm (a-z0-9_-)."},
+                    "arch": {"type": "string", "description": "z.B. i386, x86_64, aarch64, mips."},
+                    "iso": {"type": "string", "description": "optional: Boot-ISO-Pfad auf dem Host."},
+                    "vnc_display": {"type": "integer", "description": "VNC-Display (Default 1 → Port 5901)."},
+                    "mem": {"type": "integer", "description": "RAM in MB (Default 1024)."},
+                },
+                "required": ["name", "arch"],
+            },
+        },
+    },
+    {
+        "type": "function",
+        "function": {
+            "name": "vm_list",
+            "description": "Listet die registrierten QEMU-VMs des aktuellen Projekts (mit Lauf-Status).",
+            "parameters": {"type": "object", "properties": {}},
+        },
+    },
 ]
 
 
@@ -2797,6 +2830,29 @@ class Agent:
                 return f"OK — Projekt '{updated['name']}' ist wieder ein normaler Chat."
             if name in ("satellite_list", "satellite_devices", "satellite_command"):
                 return self._dispatch_satellite(name, arguments)
+            if name == "vm_register":
+                pid = (project_id or "").strip()
+                if not pid:
+                    return "Kein aktives Projekt — VMs werden pro Projekt gefuehrt. Erst ein Projekt betreten."
+                try:
+                    vm = project_vms_mod.add_vm(
+                        pid, (arguments.get("name") or "").strip(),
+                        (arguments.get("arch") or "i386").strip(),
+                        (arguments.get("iso") or "").strip(),
+                        int(arguments.get("vnc_display") or 1),
+                        int(arguments.get("mem") or 1024),
+                    )
+                except (ValueError, TypeError) as exc:
+                    return f"FEHLER: {exc}"
+                return (f"OK — VM '{vm['name']}' ({vm['arch']}, Display :{vm['vnc_display']}) "
+                        f"in Projekt '{pid}' registriert. Erscheint in Stefans Desktop-Panel.")
+            if name == "vm_list":
+                pid = (project_id or "").strip()
+                vms = project_vms_mod.list_vms(pid)
+                if not vms:
+                    return f"Projekt '{pid or 'Hauptchat'}' hat noch keine registrierten VMs."
+                return "VMs:\n" + "\n".join(
+                    f"- {v['name']} ({v.get('arch')}, Display :{v.get('vnc_display', 1)})" for v in vms)
             return f"Unbekanntes Tool: {name}"
         except Exception as exc:
             logger.exception("Tool '%s' fehlgeschlagen", name)
diff --git a/aria-brain/main.py b/aria-brain/main.py
index b36695f..7df53e2 100644
--- a/aria-brain/main.py
+++ b/aria-brain/main.py
@@ -39,6 +39,7 @@ import background as background_mod
 import oauth as oauth_mod
 import seed_rules as seed_rules_mod
 import projects as projects_mod
+import project_vms as project_vms_mod
 
 logging.basicConfig(level=logging.INFO, format="%(asctime)s [%(levelname)s] %(name)s: %(message)s")
 logger = logging.getLogger("aria-brain")
@@ -894,6 +895,98 @@ def project_file(project_id: str, path: str):
     return {"projectId": project_id, "path": path, "content": content}
 
 
+# ── QEMU-VMs pro Projekt ────────────────────────────────────────────
+# Registry (project_vms) + echter Start/Stop via `aria-vm` auf dem Host (SSH
+# aria-wohnung). Das Desktop-Panel der App zeigt pro Projekt die Liste.
+_ARIA_VM_HOST = os.environ.get("ARIA_VM_SSH_HOST", "aria-wohnung")
+
+
+def _ssh_aria_vm(*args: str, timeout: int = 25):
+    import subprocess
+    cmd = ["ssh", "-o", "StrictHostKeyChecking=no", "-o", "ConnectTimeout=8",
+           _ARIA_VM_HOST, "aria-vm", *[str(a) for a in args]]
+    try:
+        r = subprocess.run(cmd, capture_output=True, text=True, timeout=timeout)
+        return r.returncode, r.stdout or "", r.stderr or ""
+    except Exception as exc:
+        return 1, "", str(exc)
+
+
+def _vm_running_names() -> set:
+    rc, out, _err = _ssh_aria_vm("list", timeout=15)
+    names = set()
+    if rc == 0:
+        for line in out.splitlines():
+            parts = line.split()
+            if parts and "laeuft" in line:
+                names.add(parts[0])
+    return names
+
+
+class VmAddBody(BaseModel):
+    name: str
+    arch: str = "i386"
+    iso: str = ""
+    vnc_display: int = 1
+    mem: int = 1024
+    create_disk: bool = False
+    size: str = "10G"
+
+
+@app.get("/projects/{project_id}/vms")
+def project_vms_list(project_id: str):
+    vms = [dict(v) for v in project_vms_mod.list_vms(project_id)]
+    running = _vm_running_names()
+    for v in vms:
+        v["running"] = v.get("name") in running
+        v["vnc_port"] = 5900 + int(v.get("vnc_display", 1))
+    return {"projectId": project_id, "vms": vms}
+
+
+@app.post("/projects/{project_id}/vms")
+def project_vm_add(project_id: str, body: VmAddBody):
+    try:
+        vm = project_vms_mod.add_vm(project_id, body.name, body.arch, body.iso,
+                                    body.vnc_display, body.mem)
+    except ValueError as exc:
+        raise HTTPException(status_code=400, detail=str(exc))
+    if body.create_disk:
+        rc, out, err = _ssh_aria_vm("create", body.name, body.arch, body.size)
+        vm["create_result"] = out.strip() or err.strip()
+        vm["create_ok"] = (rc == 0)
+    return vm
+
+
+@app.delete("/projects/{project_id}/vms/{name}")
+def project_vm_remove(project_id: str, name: str, purge: bool = False):
+    ok = project_vms_mod.remove_vm(project_id, name)
+    if not ok:
+        raise HTTPException(status_code=404, detail=f"VM '{name}' nicht in Projekt {project_id}")
+    if purge:
+        _ssh_aria_vm("rm", name)
+    return {"ok": True, "name": name}
+
+
+@app.post("/projects/{project_id}/vms/{name}/boot")
+def project_vm_boot(project_id: str, name: str):
+    vm = project_vms_mod.get_vm(project_id, name)
+    if not vm:
+        raise HTTPException(status_code=404, detail=f"VM '{name}' nicht gefunden")
+    args = ["boot", name, "--vnc-display", str(vm.get("vnc_display", 1)),
+            "--mem", str(vm.get("mem", 1024))]
+    if vm.get("iso"):
+        args += ["--iso", vm["iso"]]
+    rc, out, err = _ssh_aria_vm(*args, timeout=40)
+    return {"ok": rc == 0, "name": name, "vnc_port": 5900 + int(vm.get("vnc_display", 1)),
+            "output": (out.strip() or err.strip())[:500]}
+
+
+@app.post("/projects/{project_id}/vms/{name}/stop")
+def project_vm_stop(project_id: str, name: str):
+    rc, out, err = _ssh_aria_vm("stop", name, timeout=25)
+    return {"ok": rc == 0, "name": name, "output": (out.strip() or err.strip())[:500]}
+
+
 @app.get("/conversation/stats")
 def conversation_stats():
     return conversation().stats()
diff --git a/aria-brain/project_vms.py b/aria-brain/project_vms.py
new file mode 100644
index 0000000..2068473
--- /dev/null
+++ b/aria-brain/project_vms.py
@@ -0,0 +1,86 @@
+"""
+project_vms — Registry der QEMU-VMs PRO PROJEKT.
+
+Persistenz: /shared/config/project_vms.json  →  { project_id: [ {vm}, ... ] }.
+Eine VM = {name, arch, iso, vnc_display, mem, created_at, updated_at}. Der echte
+Start/Stop laeuft ueber `aria-vm` auf dem Host (SSH aria-wohnung, siehe main.py);
+diese Datei haelt nur die Zuordnung VM ↔ Projekt + die Startparameter, damit die
+Liste im Desktop-Panel der App pro Projekt erscheint (auch wenn leer).
+"""
+
+from __future__ import annotations
+
+import json
+import os
+import re
+import time
+from pathlib import Path
+from typing import Optional
+
+VMS_FILE = Path(os.environ.get("PROJECT_VMS_FILE", "/shared/config/project_vms.json"))
+NAME_RE = re.compile(r"^[a-zA-Z0-9_-]{1,40}$")
+VALID_ARCH = {"x86_64", "amd64", "i386", "i686", "x86", "arm", "aarch64",
+              "mips", "mipsel", "mips64", "ppc", "ppc64", "riscv64", "sparc"}
+
+
+def _load() -> dict:
+    if not VMS_FILE.exists():
+        return {}
+    try:
+        data = json.loads(VMS_FILE.read_text(encoding="utf-8"))
+        return data if isinstance(data, dict) else {}
+    except Exception:
+        return {}
+
+
+def _save(data: dict) -> None:
+    VMS_FILE.parent.mkdir(parents=True, exist_ok=True)
+    tmp = VMS_FILE.with_suffix(".tmp")
+    tmp.write_text(json.dumps(data, indent=2, ensure_ascii=False), encoding="utf-8")
+    tmp.replace(VMS_FILE)
+
+
+def list_vms(project_id: str) -> list[dict]:
+    return _load().get(project_id or "", [])
+
+
+def get_vm(project_id: str, name: str) -> Optional[dict]:
+    for v in list_vms(project_id):
+        if v.get("name") == name:
+            return v
+    return None
+
+
+def add_vm(project_id: str, name: str, arch: str, iso: str = "",
+           vnc_display: int = 1, mem: int = 1024) -> dict:
+    if not NAME_RE.match(name or ""):
+        raise ValueError(f"Ungueltiger VM-Name: {name!r} (nur a-z0-9_-, max 40)")
+    if arch not in VALID_ARCH:
+        raise ValueError(f"Unbekannte Architektur: {arch!r}")
+    data = _load()
+    lst = data.setdefault(project_id or "", [])
+    now = int(time.time())
+    for v in lst:
+        if v.get("name") == name:
+            v.update({"arch": arch, "iso": iso, "vnc_display": int(vnc_display),
+                      "mem": int(mem), "updated_at": now})
+            _save(data)
+            return v
+    vm = {"name": name, "arch": arch, "iso": iso, "vnc_display": int(vnc_display),
+          "mem": int(mem), "created_at": now, "updated_at": now}
+    lst.append(vm)
+    _save(data)
+    return vm
+
+
+def remove_vm(project_id: str, name: str) -> bool:
+    data = _load()
+    lst = data.get(project_id or "")
+    if not lst:
+        return False
+    new = [v for v in lst if v.get("name") != name]
+    if len(new) == len(lst):
+        return False
+    data[project_id or ""] = new
+    _save(data)
+    return True
diff --git a/aria-brain/seed_rules.py b/aria-brain/seed_rules.py
index a6fb14a..071c583 100644
--- a/aria-brain/seed_rules.py
+++ b/aria-brain/seed_rules.py
@@ -428,6 +428,11 @@ SEED_RULES: List[dict] = [
             "Stefan mit [FILE:] schicken).\n"
             "  - `aria-vm list` / `aria-vm stop <name>` / `aria-vm rm <name>`.\n"
             "\n"
+            "WICHTIG: Nachdem Du eine VM gebaut/gebootet hast, registriere sie mit "
+            "`vm_register(name, arch, vnc_display, ...)` — dann erscheint sie in Stefans "
+            "Desktop-Panel im Cockpit, wo er sie starten/stoppen/verbinden kann. Ohne "
+            "vm_register bleibt seine VM-Liste leer, obwohl die VM laeuft.\n"
+            "\n"
             "Der VNC-Stream kommt AUTOMATISCH ueber den RVS-Tunnel der Bridge in "
             "Stefans App-Desktop-Kachel (Display 1 / Port 5901) — dort kann er die "
             "VM live mit Maus/Tastatur bedienen. Du musst nur die VM booten und ggf. "