feat: add timeout and chunking to proxy label fetching

podkop/files/etc/init.d/podkop

@@ -1840,11 +1840,19 @@ get_proxy_label() {
     local section="$1"
     local proxy_string
     local label=""
+    local chunk_size=50
+    local start=0
 
     config_get proxy_string "$section" "proxy_string"
     if [ -n "$proxy_string" ]; then
         label=$(echo "$proxy_string" | sed -n 's/.*#\(.*\)$/\1/p')
-        echo "$label"
+        if [ -n "$label" ]; then
+            # Split label into chunks and output one at a time
+            while [ $start -lt ${#label} ]; do
+                echo "${label:$start:$chunk_size}"
+                start=$((start + chunk_size))
+            done
+        fi
     fi
 }