added safe guards to all scripts that need it. all reference comm.sh like it should be

Transcodes/transcode_cleanup.sh

@@ -42,6 +42,8 @@ fi
 
 success "Running as root"
 
+acquire_lock "wait"
+
 if ! command -v lsof >/dev/null 2>&1; then
     warn "lsof not available — active file check will be skipped, all aged files will be eligible"
     LSOF_AVAILABLE=false

Transcodes/transcode_manager.sh

@@ -47,6 +47,8 @@ fi
 
 success "Running as root"
 
+acquire_lock "wait"
+
 # Select correct Emby instance for session display
 detect_hosts