fix: use pct set --notes for container notes (proper Proxmox API)

scripts/proxmox-install.sh

@@ -360,9 +360,9 @@ if [[ "$INSTALL_CONSOLE" == "true" ]]; then
 fi
 
 # ── Container notes ───────────────────────────────────────────────────────
-PROXMOX_NOTES_DIR="/var/lib/pve-manager/notes"
-if [[ -d "$PROXMOX_NOTES_DIR" ]]; then
-    cat > "${PROXMOX_NOTES_DIR}/${CTID}.html" <<'NOTES'
+if command -v pct &>/dev/null; then
+    NOTES_TMP=$(mktemp)
+    cat > "$NOTES_TMP" <<'NOTES'
 <div align="center">
   <a href="https://openhop.dev/" target="_blank" rel="noopener noreferrer">
     <img
@@ -454,6 +454,10 @@ if [[ -d "$PROXMOX_NOTES_DIR" ]]; then
   </span>
 </div>
 NOTES
+    NOTES_TEXT=$(cat "$NOTES_TMP")
+    rm -f "$NOTES_TMP"
+    pct set "$CTID" --notes "$NOTES_TEXT"
+    msg_ok "Container notes set"
 fi
 
 # ── Get container IP ──────────────────────────────────────────────────────