Refactor code structure for improved readability and maintainabilit

Co-authored-by: github-actions[bot] <github-actions[bot]@users.noreply.github.com>

CHANGELOG.md

@@ -483,6 +483,18 @@ Exercise vigilance regarding copycat or coat-tailing sites that seek to exploit
 
 </details>
 
+## 2026-06-17
+
+### 🚀 Updated Scripts
+
+  - #### 🐞 Bug Fixes
+
+    - kasm: fix release detection [@CrazyWolf13](https://github.com/CrazyWolf13) ([#15151](https://github.com/community-scripts/ProxmoxVE/pull/15151))
+
+  - #### 💥 Breaking Changes
+
+    - TREK: Pin version [@tremor021](https://github.com/tremor021) ([#15156](https://github.com/community-scripts/ProxmoxVE/pull/15156))
+
 ## 2026-06-16
 
 ### 🆕 New Scripts

ct/trek.sh

@@ -32,7 +32,7 @@ function update_script() {
 
   NODE_VERSION="24" setup_nodejs
 
-  if check_for_gh_release "trek" "mauriceboe/TREK"; then
+  if check_for_gh_release "trek" "mauriceboe/TREK" "v3.0.22"; then
     msg_info "Stopping Service"
     systemctl stop trek
     msg_ok "Stopped Service"

ct/unifi-os-server.sh

@@ -16,6 +16,7 @@ var_arm64="${var_arm64:-no}"
 var_unprivileged="${var_unprivileged:-0}"
 var_tun="${var_tun:-yes}"
 var_nesting="${var_nesting:-1}"
+var_ns="${var_ns:-1.1.1.1 8.8.8.8}"
 
 header_info "$APP"
 variables
@@ -36,6 +37,19 @@ function update_script() {
 
 start
 build_container
+
+HOOKSCRIPT_PATH="/var/lib/vz/snippets/unifi-os-server-multicast-${CTID}.sh"
+cat >"$HOOKSCRIPT_PATH" <<EOF
+#!/bin/sh
+# Hookscript: enable multicast on the veth interface for UniFi OS Server LXC ${CTID}
+# Required so the UniFi discovery client does not crash on startup inside the container.
+if [ "\$1" = "${CTID}" ] && [ "\$2" = "post-start" ]; then
+  ip link set "veth${CTID}i0" multicast on 2>/dev/null || true
+fi
+EOF
+chmod +x "$HOOKSCRIPT_PATH"
+pct set "$CTID" --hookscript "local:snippets/unifi-os-server-multicast-${CTID}.sh"
+
 description
 
 msg_ok "Completed successfully!\n"

install/trek-install.sh

@@ -18,7 +18,7 @@ $STD apt install -y build-essential
 msg_ok "Installed Dependencies"
 
 NODE_VERSION="24" setup_nodejs
-fetch_and_deploy_gh_release "trek" "mauriceboe/TREK" "tarball"
+fetch_and_deploy_gh_release "trek" "mauriceboe/TREK" "tarball" "v3.0.22"
 
 msg_info "Building Client"
 cd /opt/trek/client