diff --git a/install-gpu-boot-watch.sh b/install-gpu-boot-watch.sh
new file mode 100644
index 0000000..a12ecd8
--- /dev/null
+++ b/install-gpu-boot-watch.sh
@@ -0,0 +1,39 @@
+#!/bin/bash
+# Install GPU boot ready-check on pve (detect mode by default).
+set -euo pipefail
+
+BASE_URL="${BLAIR_BOOT_WATCH_BASE_URL:-https://git.easygoingaming.com/Davoguha/blair-pve-sync-temp/raw/main}"
+TARGET='/usr/local/sbin/watch-blair-gpu-boot.sh'
+SHARE_COPY='/tank/blair-share/tools/golden/host/watch-blair-gpu-boot.sh'
+CRON='/etc/cron.d/blair-gpu-boot-watch'
+STATE='/var/lib/blair-gpu-boot-watch.json'
+
+echo "=== Download boot watch script ==="
+curl -fsSL "$BASE_URL/watch-blair-gpu-boot.sh" -o "$TARGET"
+chmod +x "$TARGET"
+sed -i 's/\r$//' "$TARGET" 2>/dev/null || true
+
+mkdir -p "$(dirname "$SHARE_COPY")" /tank/blair-share/fleet/monitor
+cp -f "$TARGET" "$SHARE_COPY"
+chmod +x "$SHARE_COPY"
+touch /var/log/blair-gpu-boot-watch.log
+
+echo "=== cron (every 3 min, detect-only) ==="
+cat > "$CRON" <<'EOF'
+# Detect hung Windows boot: running but QEMU GA never responds.
+# Enable recovery: add BLAIR_BOOT_WATCH_MODE=recover to the line below (max 1 restart/6h/VM).
+*/3 * * * * root BLAIR_BOOT_WATCH_MODE=detect /usr/local/sbin/watch-blair-gpu-boot.sh >> /var/log/blair-gpu-boot-watch.log 2>&1
+EOF
+chmod 644 "$CRON"
+cat "$CRON"
+
+echo "=== test run (detect) ==="
+BLAIR_BOOT_WATCH_MODE=detect "$TARGET"
+echo "=== state ==="
+cat "$STATE" 2>/dev/null || echo '(no state yet)'
+echo "=== share status ==="
+cat /tank/blair-share/fleet/monitor/boot-watch.json 2>/dev/null || true
+echo "=== done ==="
+echo ""
+echo "To enable auto-recovery after burn-in:"
+echo "  sed -i 's/MODE=detect/MODE=recover/' $CRON"
diff --git a/watch-blair-gpu-boot.sh b/watch-blair-gpu-boot.sh
new file mode 100644
index 0000000..c092598
--- /dev/null
+++ b/watch-blair-gpu-boot.sh
@@ -0,0 +1,212 @@
+#!/bin/bash
+# GPU seat boot ready-check via QEMU guest agent (standard Proxmox/KVM signal).
+# Detects: hypervisor "running" but Windows never reached GA-ready (hung boot).
+# Optional gentle recovery: one ACPI shutdown+start per VM per cooldown window.
+#
+# Mode:  BLAIR_BOOT_WATCH_MODE=detect|recover   (default: detect — log only)
+# Install cron every 3-5 min alongside monitor-blair-fleet.sh.
+set -euo pipefail
+
+export BLAIR_SHARE="${BLAIR_SHARE:-/tank/blair-share}"
+export BLAIR_BOOT_WATCH_STATE="${BLAIR_BOOT_WATCH_STATE:-/var/lib/blair-gpu-boot-watch.json}"
+export BLAIR_BOOT_WATCH_LOG="${BLAIR_BOOT_WATCH_LOG:-/var/log/blair-gpu-boot-watch.log}"
+
+if ! command -v python3 >/dev/null 2>&1; then
+  echo 'python3 required' >&2
+  exit 1
+fi
+
+exec python3 - <<'PY'
+import json
+import os
+import subprocess
+import time
+from datetime import datetime, timezone
+
+NODE = os.environ.get('BLAIR_PVE_NODE', 'pve')
+GPU_VMIDS = [230, 231, 232, 233, 234, 235]
+STATE_PATH = os.environ.get('BLAIR_BOOT_WATCH_STATE', '/var/lib/blair-gpu-boot-watch.json')
+LOG_PATH = os.environ.get('BLAIR_BOOT_WATCH_LOG', '/var/log/blair-gpu-boot-watch.log')
+SHARE_STATUS = os.path.join(os.environ.get('BLAIR_SHARE', '/tank/blair-share'), 'fleet/monitor/boot-watch.json')
+
+MODE = os.environ.get('BLAIR_BOOT_WATCH_MODE', 'detect').lower()  # detect | recover
+GRACE_SEC = int(os.environ.get('BLAIR_BOOT_GRACE_SEC', '600'))      # 10 min after start
+MAX_UPTIME_SEC = int(os.environ.get('BLAIR_BOOT_MAX_UPTIME_SEC', '3600'))  # only watch first hour
+RECOVER_COOLDOWN_SEC = int(os.environ.get('BLAIR_BOOT_RECOVER_COOLDOWN', '21600'))  # 6h
+MAX_RECOVER_PER_BOOT = int(os.environ.get('BLAIR_BOOT_MAX_RECOVER_PER_BOOT', '1'))
+
+
+def log(msg: str) -> None:
+    line = f"{datetime.now().strftime('%Y-%m-%d %H:%M:%S')} {msg}"
+    print(line, flush=True)
+    with open(LOG_PATH, 'a', encoding='utf-8') as fh:
+        fh.write(line + '\n')
+
+
+def load_state() -> dict:
+    if not os.path.isfile(STATE_PATH):
+        return {'vms': {}}
+    with open(STATE_PATH, encoding='utf-8') as fh:
+        return json.load(fh)
+
+
+def save_state(state: dict) -> None:
+    os.makedirs(os.path.dirname(STATE_PATH), exist_ok=True)
+    tmp = STATE_PATH + '.tmp'
+    with open(tmp, 'w', encoding='utf-8') as fh:
+        json.dump(state, fh, indent=2)
+        fh.write('\n')
+    os.replace(tmp, STATE_PATH)
+
+
+def qm_status(vmid: int) -> dict:
+    proc = subprocess.run(
+        ['qm', 'status', str(vmid), '--verbose'],
+        capture_output=True, text=True, check=False,
+    )
+    out = proc.stdout
+    data = {'status': 'unknown', 'uptime': 0}
+    for line in out.splitlines():
+        line = line.strip()
+        if line.startswith('status:'):
+            data['status'] = line.split(':', 1)[1].strip()
+        elif line.startswith('uptime:'):
+            try:
+                data['uptime'] = int(line.split(':', 1)[1].strip())
+            except ValueError:
+                pass
+    return data
+
+
+def ga_ping(vmid: int) -> bool:
+    proc = subprocess.run(
+        ['qm', 'guest', 'cmd', str(vmid), 'ping'],
+        capture_output=True, text=True, check=False,
+    )
+    return proc.returncode == 0
+
+
+def recover_vm(vmid: int) -> None:
+    log(f'VM {vmid}: recovery — ACPI shutdown (forceStop) then start')
+    subprocess.run(
+        ['qm', 'shutdown', str(vmid), '--timeout', '90', '--forceStop', '1'],
+        check=False,
+    )
+    deadline = time.time() + 120
+    while time.time() < deadline:
+        if qm_status(vmid)['status'] == 'stopped':
+            break
+        time.sleep(3)
+    if qm_status(vmid)['status'] != 'stopped':
+        log(f'VM {vmid}: still not stopped; trying qm stop')
+        subprocess.run(['qm', 'stop', str(vmid)], check=False)
+        time.sleep(5)
+    subprocess.run(['qm', 'start', str(vmid)], check=True)
+    log(f'VM {vmid}: start issued after recovery')
+
+
+def main() -> int:
+    state = load_state()
+    vms = state.setdefault('vms', {})
+    report = {'timestamp': datetime.now(timezone.utc).strftime('%Y-%m-%dT%H:%M:%SZ'), 'mode': MODE, 'vms': []}
+
+    for vmid in GPU_VMIDS:
+        key = str(vmid)
+        st = qm_status(vmid)
+        entry = vms.setdefault(key, {
+            'last_uptime': 0,
+            'boot_marked': False,
+            'ga_ready': False,
+            'recoveries_this_boot': 0,
+            'last_recovery_ts': 0,
+            'last_ready_ts': 0,
+        })
+
+        # New boot cycle detected (uptime went down)
+        if st['uptime'] < entry.get('last_uptime', 0) - 30:
+            entry['boot_marked'] = False
+            entry['ga_ready'] = False
+            entry['recoveries_this_boot'] = 0
+            log(f'VM {vmid}: new boot detected (uptime={st["uptime"]}s)')
+
+        entry['last_uptime'] = st['uptime']
+
+        row = {'vmid': vmid, 'status': st['status'], 'uptime_sec': st['uptime']}
+
+        if st['status'] != 'running':
+            row['ready'] = None
+            row['action'] = 'skip_not_running'
+            report['vms'].append(row)
+            continue
+
+        if ga_ping(vmid):
+            if not entry.get('ga_ready'):
+                log(f'VM {vmid}: GA ready (uptime={st["uptime"]}s) — Windows boot OK')
+            entry['ga_ready'] = True
+            entry['boot_marked'] = True
+            entry['last_ready_ts'] = int(time.time())
+            entry['recoveries_this_boot'] = 0
+            row['ready'] = True
+            row['action'] = 'ok'
+            report['vms'].append(row)
+            continue
+
+        row['ready'] = False
+        uptime = st['uptime']
+
+        if uptime < GRACE_SEC:
+            row['action'] = 'grace_period'
+            report['vms'].append(row)
+            continue
+
+        if uptime > MAX_UPTIME_SEC:
+            row['action'] = 'outside_boot_window'
+            report['vms'].append(row)
+            continue
+
+        # Hung boot: running, past grace, GA still down, within boot window
+        log(f'VM {vmid}: NOT READY — running {uptime}s, GA ping failed (hung boot?)')
+        row['action'] = 'not_ready'
+
+        if MODE != 'recover':
+            row['recovery'] = 'detect_only'
+            report['vms'].append(row)
+            continue
+
+        now = int(time.time())
+        last_rec = int(entry.get('last_recovery_ts') or 0)
+        rec_count = int(entry.get('recoveries_this_boot') or 0)
+
+        if rec_count >= MAX_RECOVER_PER_BOOT:
+            log(f'VM {vmid}: recovery skipped (already {rec_count}x this boot)')
+            row['recovery'] = 'skipped_max_per_boot'
+        elif now - last_rec < RECOVER_COOLDOWN_SEC:
+            log(f'VM {vmid}: recovery skipped (cooldown)')
+            row['recovery'] = 'skipped_cooldown'
+        else:
+            try:
+                recover_vm(vmid)
+                entry['last_recovery_ts'] = now
+                entry['recoveries_this_boot'] = rec_count + 1
+                entry['ga_ready'] = False
+                entry['boot_marked'] = False
+                row['recovery'] = 'restarted'
+            except Exception as exc:  # noqa: BLE001
+                log(f'VM {vmid}: recovery failed: {exc}')
+                row['recovery'] = f'failed:{exc}'
+
+        report['vms'].append(row)
+
+    save_state(state)
+    os.makedirs(os.path.dirname(SHARE_STATUS), exist_ok=True)
+    tmp = SHARE_STATUS + '.tmp'
+    with open(tmp, 'w', encoding='utf-8') as fh:
+        json.dump(report, fh, indent=2)
+        fh.write('\n')
+    os.replace(tmp, SHARE_STATUS)
+    return 0
+
+
+if __name__ == '__main__':
+    raise SystemExit(main())
+PY