diff --git a/luci-app-podkop/htdocs/luci-static/resources/view/podkop/section.js b/luci-app-podkop/htdocs/luci-static/resources/view/podkop/section.js
index 51f188c..5d522fe 100644
--- a/luci-app-podkop/htdocs/luci-static/resources/view/podkop/section.js
+++ b/luci-app-podkop/htdocs/luci-static/resources/view/podkop/section.js
@@ -445,7 +445,7 @@ function createSectionContent(section) {
   );
   o.value("disabled", _("Disabled"));
   o.value("dynamic", _("Dynamic List"));
-  o.value("text", _("Text List (comma/space/newline separated)"));
+  o.value("text", _("Text List"));
   o.default = "disabled";
   o.rmempty = false;
 
diff --git a/podkop/files/usr/bin/podkop b/podkop/files/usr/bin/podkop
index 6783d17..9397053 100755
--- a/podkop/files/usr/bin/podkop
+++ b/podkop/files/usr/bin/podkop
@@ -18,6 +18,7 @@ check_required_file "$PODKOP_LIB/helpers.sh"
 check_required_file "$PODKOP_LIB/sing_box_config_manager.sh"
 check_required_file "$PODKOP_LIB/sing_box_config_facade.sh"
 check_required_file "$PODKOP_LIB/logging.sh"
+check_required_file "$PODKOP_LIB/rulesets.sh"
 . /lib/config/uci.sh
 . /lib/functions.sh
 . "$PODKOP_LIB/constants.sh"
@@ -26,6 +27,7 @@ check_required_file "$PODKOP_LIB/logging.sh"
 . "$PODKOP_LIB/sing_box_config_manager.sh"
 . "$PODKOP_LIB/sing_box_config_facade.sh"
 . "$PODKOP_LIB/logging.sh"
+. "$PODKOP_LIB/rulesets.sh"
 
 config_load "$PODKOP_CONFIG"
 
@@ -865,66 +867,37 @@ configure_routing_for_section_lists() {
 
     if [ "$user_domain_list_type" != "disabled" ]; then
         log "Processing user domains routing rules for '$section' section"
-        prepare_common_ruleset "$section" "domains" "$route_rule_tag"
-        configure_user_domain_or_subnets_list "$section" "domains" "$route_rule_tag"
+        configure_user_domain_list "$section" "$route_rule_tag"
     fi
 
     if [ "$user_subnet_list_type" != "disabled" ]; then
         log "Processing user subnets routing rules for '$section' section"
-        prepare_common_ruleset "$section" "subnets" "$route_rule_tag"
-        configure_user_domain_or_subnets_list "$section" "subnets" "$route_rule_tag"
+        configure_user_subnet_list "$section" "$route_rule_tag"
     fi
 
     if [ -n "$local_domain_lists" ]; then
         log "Processing local domains routing rules for '$section' section"
-        configure_local_domain_or_subnet_lists "$section" "domains" "$route_rule_tag"
+        configure_local_domain_lists "$section" "$route_rule_tag"
     fi
 
     if [ -n "$local_subnet_lists" ]; then
         log "Processing local subnets routing rules for '$section' section"
-        configure_local_domain_or_subnet_lists "$section" "subnets" "$route_rule_tag"
+        configure_local_subnet_lists "$section" "$route_rule_tag"
     fi
 
     if [ -n "$remote_domain_lists" ]; then
         log "Processing remote domains routing rules for '$section' section"
-        prepare_common_ruleset "$section" "domains" "$route_rule_tag"
         config_list_foreach "$section" "remote_domain_lists" configure_remote_domain_or_subnet_list_handler \
             "domains" "$section" "$route_rule_tag"
     fi
 
     if [ -n "$remote_subnet_lists" ]; then
         log "Processing remote subnets routing rules for '$section' section"
-        prepare_common_ruleset "$section" "subnets" "$route_rule_tag"
         config_list_foreach "$section" "remote_subnet_lists" configure_remote_domain_or_subnet_list_handler \
             "subnets" "$section" "$route_rule_tag"
     fi
 }
 
-prepare_common_ruleset() {
-    local section="$1"
-    local type="$2"
-    local route_rule_tag="$3"
-
-    log "Preparing a common $type ruleset for '$section' section" "debug"
-    ruleset_tag=$(get_ruleset_tag "$section" "common" "$type")
-    ruleset_filename="$ruleset_tag.json"
-    ruleset_filepath="$TMP_RULESET_FOLDER/$ruleset_filename"
-    if file_exists "$ruleset_filepath"; then
-        log "Ruleset $ruleset_filepath already exists. Skipping." "debug"
-    else
-        sing_box_cm_create_local_source_ruleset "$ruleset_filepath"
-        config=$(sing_box_cm_add_local_ruleset "$config" "$ruleset_tag" "source" "$ruleset_filepath")
-        config=$(sing_box_cm_patch_route_rule "$config" "$route_rule_tag" "rule_set" "$ruleset_tag")
-        case "$type" in
-        domains)
-            config=$(sing_box_cm_patch_dns_route_rule "$config" "$SB_FAKEIP_DNS_RULE_TAG" "rule_set" "$ruleset_tag")
-            ;;
-        subnets) ;;
-        *) log "Unsupported remote rule set type: $type" "error" ;;
-        esac
-    fi
-}
-
 configure_community_list_handler() {
     local tag="$1"
     local section="$2"
@@ -942,99 +915,113 @@ configure_community_list_handler() {
     config=$(sing_box_cm_patch_dns_route_rule "$config" "$SB_FAKEIP_DNS_RULE_TAG" "rule_set" "$ruleset_tag")
 }
 
-configure_user_domain_or_subnets_list() {
+prepare_source_ruleset() {
     local section="$1"
-    local type="$2"
+    local name="$2"
+    local type="$3"
+    local route_rule_tag="$4"
 
-    local items ruleset_tag ruleset_filename ruleset_filepath json_array
-    case "$type" in
-    domains)
-        local user_domain_list_type
-        config_get user_domain_list_type "$section" "user_domain_list_type"
-        case "$user_domain_list_type" in
-        dynamic) config_get items "$section" "user_domains" ;;
-        text) config_get items "$section" "user_domains_text" ;;
-        esac
-        ;;
-    subnets)
-        local user_subnet_list_type
-        config_get user_subnet_list_type "$section" "user_subnet_list_type"
-        case "$user_subnet_list_type" in
-        dynamic) config_get items "$section" "user_subnets" ;;
-        text) config_get items "$section" "user_subnets_text" ;;
+    log "Preparing a $name $type rule set for '$section' section" "debug"
+    ruleset_tag=$(get_ruleset_tag "$section" "$name" "$type")
+    ruleset_filepath="$TMP_RULESET_FOLDER/$ruleset_tag.json"
+    create_source_rule_set "$ruleset_filepath"
+    case $? in
+    0)
+        config=$(sing_box_cm_add_local_ruleset "$config" "$ruleset_tag" "source" "$ruleset_filepath")
+        config=$(sing_box_cm_patch_route_rule "$config" "$route_rule_tag" "rule_set" "$ruleset_tag")
+        case "$type" in
+        domains)
+            config=$(sing_box_cm_patch_dns_route_rule "$config" "$SB_FAKEIP_DNS_RULE_TAG" "rule_set" "$ruleset_tag")
+            ;;
+        subnets) ;;
+        *)
+            log "Unsupported remote rule set type: $type" "error"
+            return 1
+            ;;
         esac
         ;;
+    3) log "Source rule set $ruleset_filepath already exists, skipping." "debug" ;;
+    esac
+}
+
+configure_user_domain_list() {
+    local section="$1"
+    local route_rule_tag="$2"
+
+    prepare_source_ruleset "$section" "user" "domains" "$route_rule_tag"
+
+    local user_domain_list_type items json_array
+    config_get user_domain_list_type "$section" "user_domain_list_type"
+    case "$user_domain_list_type" in
+    dynamic) config_get items "$section" "user_domains" ;;
+    text) config_get items "$section" "user_domains_text" ;;
     esac
 
-    ruleset_tag=$(get_ruleset_tag "$section" "common" "$type")
-    ruleset_filename="$ruleset_tag.json"
-    ruleset_filepath="$TMP_RULESET_FOLDER/$ruleset_filename"
-    items="$(parse_domain_or_subnet_string_to_commas_string "$items" "$type")"
+    items="$(parse_domain_or_subnet_string_to_commas_string "$items" "domains")"
     json_array="$(comma_string_to_json_array "$items")"
-    case "$type" in
-    domains) sing_box_cm_patch_local_source_ruleset_rules "$ruleset_filepath" "domain_suffix" "$json_array" ;;
-    subnets)
-        sing_box_cm_patch_local_source_ruleset_rules "$ruleset_filepath" "ip_cidr" "$json_array"
-        nft_add_set_elements "$NFT_TABLE_NAME" "$NFT_COMMON_SET_NAME" "$items"
-        ;;
-    esac
+    patch_source_ruleset_rules "$ruleset_filepath" "domain_suffix" "$json_array"
 }
 
-configure_local_domain_or_subnet_lists() {
+configure_user_subnet_list() {
     local section="$1"
-    local type="$2"
-    local route_rule_tag="$3"
+    local route_rule_tag="$2"
 
-    local ruleset_tag ruleset_filename ruleset_filepath
-    ruleset_tag="$(get_ruleset_tag "$section" "local" "$type")"
-    ruleset_filename="$ruleset_tag.json"
-    ruleset_filepath="$TMP_RULESET_FOLDER/$ruleset_filename"
+    prepare_source_ruleset "$section" "user" "subnets" "$route_rule_tag"
 
-    sing_box_cm_create_local_source_ruleset "$ruleset_filepath"
-    config=$(sing_box_cm_add_local_ruleset "$config" "$ruleset_tag" "source" "$ruleset_filepath")
-    config=$(sing_box_cm_patch_route_rule "$config" "$route_rule_tag" "rule_set" "$ruleset_tag")
-
-    case "$type" in
-    domains)
-        config_list_foreach "$section" "local_domain_lists" import_local_domain_or_subnet_list "$type" \
-            "$section" "$ruleset_filepath"
-        config=$(sing_box_cm_patch_dns_route_rule "$config" "$SB_FAKEIP_DNS_RULE_TAG" "rule_set" "$ruleset_tag")
-        ;;
-    subnets)
-        config_list_foreach "$section" "local_subnet_lists" import_local_domain_or_subnet_list "$type" \
-            "$section" "$ruleset_filepath"
-        ;;
-    *) log "Unsupported local rule set type: $type" "error" ;;
+    local user_subnet_list_type items json_array
+    config_get user_subnet_list_type "$section" "user_subnet_list_type"
+    case "$user_subnet_list_type" in
+    dynamic) config_get items "$section" "user_subnets" ;;
+    text) config_get items "$section" "user_subnets_text" ;;
     esac
+
+    items="$(parse_domain_or_subnet_string_to_commas_string "$items" "subnets")"
+    json_array="$(comma_string_to_json_array "$items")"
+    patch_source_ruleset_rules "$ruleset_filepath" "ip_cidr" "$json_array"
+    nft_add_set_elements "$NFT_TABLE_NAME" "$NFT_COMMON_SET_NAME" "$items"
 }
 
-import_local_domain_or_subnet_list() {
-    local filepath="$1"
-    local type="$2"
-    local section="$3"
-    local ruleset_filepath="$4"
+configure_local_domain_lists() {
+    local section="$1"
+    local route_rule_tag="$2"
 
-    if ! file_exists "$filepath"; then
-        log "File $filepath not found" "error"
+    prepare_source_ruleset "$section" "local" "domains" "$route_rule_tag"
+
+    config_list_foreach "$section" "local_domain_lists" import_local_domain_list_handler "$ruleset_filepath"
+}
+
+import_local_domain_list_handler() {
+    local local_domain_list_filepath="$1"
+    local ruleset_filepath="$2"
+
+    if ! file_exists "$local_domain_list_filepath"; then
+        log "Local domain list file $local_domain_list_filepath not found" "error"
         return 1
     fi
 
-    local items json_array
-    items="$(parse_domain_or_subnet_file_to_comma_string "$filepath" "$type")"
+    import_plain_domain_list_to_local_source_ruleset_chunked "$local_domain_list_filepath" "$ruleset_filepath"
+}
 
-    if [ -z "$items" ]; then
-        log "No valid $type found in $filepath" "warn"
-        return 0
+configure_local_subnet_lists() {
+    local section="$1"
+    local route_rule_tag="$2"
+
+    prepare_source_ruleset "$section" "local" "subnets" "$route_rule_tag"
+
+    config_list_foreach "$section" "local_subnet_lists" import_local_subnets_list_handler "$ruleset_filepath"
+}
+
+import_local_subnets_list_handler() {
+    local local_subnet_list_filepath="$1"
+    local ruleset_filepath="$2"
+
+    if ! file_exists "$local_subnet_list_filepath"; then
+        log "Local subnet list file $local_subnet_list_filepath not found" "error"
+        return 1
     fi
 
-    json_array="$(comma_string_to_json_array "$items")"
-    case "$type" in
-    domains) sing_box_cm_patch_local_source_ruleset_rules "$ruleset_filepath" "domain_suffix" "$json_array" ;;
-    subnets)
-        sing_box_cm_patch_local_source_ruleset_rules "$ruleset_filepath" "ip_cidr" "$json_array"
-        nft_add_set_elements_from_file_chunked "$filepath" "$NFT_TABLE_NAME" "$NFT_COMMON_SET_NAME"
-        ;;
-    esac
+    import_plain_subnet_list_to_local_source_ruleset_chunked "$local_subnet_list_filepath" "$ruleset_filepath"
+    nft_add_set_elements_from_file_chunked "$local_subnet_list_filepath" "$NFT_TABLE_NAME" "$NFT_COMMON_SET_NAME"
 }
 
 configure_remote_domain_or_subnet_list_handler() {
@@ -1045,9 +1032,10 @@ configure_remote_domain_or_subnet_list_handler() {
 
     local file_extension
     file_extension=$(url_get_file_extension "$url")
+    log "Detected file extension: '$file_extension'" "debug"
     case "$file_extension" in
     json | srs)
-        log "Detected file extension: '$file_extension' → proceeding with processing" "debug"
+        log "Creating a remote $type ruleset from the source URL" "info"
         local basename ruleset_tag format detour update_interval
         basename=$(url_get_basename "$url")
         ruleset_tag=$(get_ruleset_tag "$section" "$basename" "remote-$type")
@@ -1066,7 +1054,7 @@ configure_remote_domain_or_subnet_list_handler() {
         esac
         ;;
     *)
-        log "Detected file extension: '$file_extension' → no processing needed, managed on list_update" "debug"
+        prepare_source_ruleset "$section" "remote" "$type" "$route_rule_tag"
         ;;
     esac
 }
@@ -1279,17 +1267,41 @@ import_domains_from_remote_domain_list_handler() {
 
     local file_extension
     file_extension=$(url_get_file_extension "$url")
+    log "Detected file extension: '$file_extension'" "debug"
     case "$file_extension" in
     json | srs)
-        log "Detected file extension: '$file_extension' → no update needed, sing-box manages updates" "debug"
+        log "No update needed - sing-box manages updates automatically."
         ;;
     *)
-        log "Detected file extension: '$file_extension' → proceeding with processing" "debug"
-        import_domains_or_subnets_from_remote_file "$url" "$section" "domains"
+        log "Import domains from a remote plain-text list"
+        import_domains_from_remote_plain_file "$url" "$section"
         ;;
     esac
 }
 
+import_domains_from_remote_plain_file() {
+    local url="$1"
+    local section="$2"
+
+    local tmpfile http_proxy_address items json_array
+    tmpfile=$(mktemp)
+    http_proxy_address="$(get_service_proxy_address)"
+
+    download_to_file "$url" "$tmpfile" "$http_proxy_address"
+
+    if [ $? -ne 0 ] || [ ! -s "$tmpfile" ]; then
+        log "Download $url list failed" "error"
+        return 1
+    fi
+
+    convert_crlf_to_lf "$tmpfile"
+    ruleset_tag=$(get_ruleset_tag "$section" "remote" "domains")
+    ruleset_filepath="$TMP_RULESET_FOLDER/$ruleset_tag.json"
+    import_plain_domain_list_to_local_source_ruleset_chunked "$tmpfile" "$ruleset_filepath"
+
+    rm -f "$tmpfile"
+}
+
 import_subnets_from_remote_subnet_lists() {
     local section="$1"
     local remote_subnet_lists
@@ -1308,61 +1320,23 @@ import_subnets_from_remote_subnet_list_handler() {
 
     local file_extension
     file_extension="$(url_get_file_extension "$url")"
+    log "Detected file extension: '$file_extension'" "debug"
     case "$file_extension" in
     json)
-        log "Detected file extension: '$file_extension' → proceeding with processing" "debug"
+        log "Import subnets from a remote JSON list" "info"
         import_subnets_from_remote_json_file "$url"
         ;;
     srs)
-        log "Detected file extension: '$file_extension' → proceeding with processing" "debug"
+        log "Import subnets from a remote SRS list" "info"
         import_subnets_from_remote_srs_file "$url"
         ;;
     *)
-        log "Detected file extension: '$file_extension' → proceeding with processing" "debug"
-        import_domains_or_subnets_from_remote_file "$url" "$section" "subnets"
+        log "Import subnets from a remote plain-text list" "info"
+        import_subnets_from_remote_plain_file "$url" "$section"
         ;;
     esac
 }
 
-import_domains_or_subnets_from_remote_file() {
-    local url="$1"
-    local section="$2"
-    local type="$3"
-
-    local tmpfile http_proxy_address items json_array
-    tmpfile=$(mktemp)
-    http_proxy_address="$(get_service_proxy_address)"
-
-    download_to_file "$url" "$tmpfile" "$http_proxy_address"
-
-    if [ $? -ne 0 ] || [ ! -s "$tmpfile" ]; then
-        log "Download $url list failed" "error"
-        return 1
-    fi
-
-    convert_crlf_to_lf "$tmpfile"
-    items="$(parse_domain_or_subnet_file_to_comma_string "$tmpfile" "$type")"
-
-    if [ -z "$items" ]; then
-        log "No valid $type found in $url" "warn"
-        return 0
-    fi
-
-    ruleset_tag=$(get_ruleset_tag "$section" "common" "$type")
-    ruleset_filename="$ruleset_tag.json"
-    ruleset_filepath="$TMP_RULESET_FOLDER/$ruleset_filename"
-    json_array="$(comma_string_to_json_array "$items")"
-    case "$type" in
-    domains) sing_box_cm_patch_local_source_ruleset_rules "$ruleset_filepath" "domain_suffix" "$json_array" ;;
-    subnets)
-        sing_box_cm_patch_local_source_ruleset_rules "$ruleset_filepath" "ip_cidr" "$json_array"
-        nft_add_set_elements_from_file_chunked "$tmpfile" "$NFT_TABLE_NAME" "$NFT_COMMON_SET_NAME"
-        ;;
-    esac
-
-    rm -f "$tmpfile"
-}
-
 import_subnets_from_remote_json_file() {
     local url="$1"
     local json_tmpfile subnets_tmpfile http_proxy_address
@@ -1398,8 +1372,8 @@ import_subnets_from_remote_srs_file() {
         return 1
     fi
 
-    if ! decompile_srs_file "$binary_tmpfile" "$json_tmpfile"; then
-        log "Failed to decompile SRS file" "error"
+    if ! decompile_binary_ruleset "$binary_tmpfile" "$json_tmpfile"; then
+        log "Failed to decompile binary rule set file" "error"
         return 1
     fi
 
@@ -1408,6 +1382,31 @@ import_subnets_from_remote_srs_file() {
     rm -f "$binary_tmpfile" "$json_tmpfile" "$subnets_tmpfile"
 }
 
+import_subnets_from_remote_plain_file() {
+    local url="$1"
+    local section="$2"
+
+    local tmpfile http_proxy_address items json_array
+    tmpfile=$(mktemp)
+    http_proxy_address="$(get_service_proxy_address)"
+
+    download_to_file "$url" "$tmpfile" "$http_proxy_address"
+
+    if [ $? -ne 0 ] || [ ! -s "$tmpfile" ]; then
+        log "Download $url list failed" "error"
+        return 1
+    fi
+
+    convert_crlf_to_lf "$tmpfile"
+
+    ruleset_tag=$(get_ruleset_tag "$section" "remote" "subnets")
+    ruleset_filepath="$TMP_RULESET_FOLDER/$ruleset_tag.json"
+    import_plain_subnet_list_to_local_source_ruleset_chunked "$tmpfile" "$ruleset_filepath"
+    nft_add_set_elements_from_file_chunked "$tmpfile" "$NFT_TABLE_NAME" "$NFT_COMMON_SET_NAME"
+
+    rm -f "$tmpfile"
+}
+
 ## Support functions
 get_service_proxy_address() {
     local download_lists_via_proxy
@@ -1516,46 +1515,6 @@ nft_list_all_traffic_from_ip() {
     fi
 }
 
-nft_add_set_elements_from_file_chunked() {
-    local filepath="$1"
-    local nft_table_name="$2"
-    local nft_set_name="$3"
-    local chunk_size="${4:-5000}"
-
-    local array count
-    count=0
-    while IFS= read -r line; do
-        line=$(echo "$line" | sed 's/^[[:space:]]*//;s/[[:space:]]*$//')
-
-        [ -z "$line" ] && continue
-
-        if ! is_ipv4 "$line" && ! is_ipv4_cidr "$line"; then
-            log "'$line' is not IPv4 or IPv4 CIDR" "debug"
-            continue
-        fi
-
-        if [ -z "$array" ]; then
-            array="$line"
-        else
-            array="$array,$line"
-        fi
-
-        count=$((count + 1))
-
-        if [ "$count" = "$chunk_size" ]; then
-            log "Adding $count elements to nft set $nft_set_name" "debug"
-            nft_add_set_elements "$nft_table_name" "$nft_set_name" "$array"
-            array=""
-            count=0
-        fi
-    done < "$filepath"
-
-    if [ -n "$array" ]; then
-        log "Adding $count elements to nft set $nft_set_name" "debug"
-        nft_add_set_elements "$nft_table_name" "$nft_set_name" "$array"
-    fi
-}
-
 # Diagnotics
 check_proxy() {
     local sing_box_config_path
diff --git a/podkop/files/usr/lib/helpers.sh b/podkop/files/usr/lib/helpers.sh
index 6ab48c7..93dcf6d 100644
--- a/podkop/files/usr/lib/helpers.sh
+++ b/podkop/files/usr/lib/helpers.sh
@@ -105,37 +105,6 @@ get_domain_resolver_tag() {
     echo "$section-$postfix"
 }
 
-# Constructs and returns a ruleset tag using section, name, optional type, and a fixed postfix
-get_ruleset_tag() {
-    local section="$1"
-    local name="$2"
-    local type="$3"
-    local postfix="ruleset"
-
-    if [ -n "$type" ]; then
-        echo "$section-$name-$type-$postfix"
-    else
-        echo "$section-$name-$postfix"
-    fi
-}
-
-# Determines the ruleset format based on the file extension (json → source, srs → binary)
-get_ruleset_format_by_file_extension() {
-    local file_extension="$1"
-
-    local format
-    case "$file_extension" in
-    json) format="source" ;;
-    srs) format="binary" ;;
-    *)
-        log "Unsupported file extension: .$file_extension" "error"
-        return 1
-        ;;
-    esac
-
-    echo "$format"
-}
-
 # Converts a comma-separated string into a JSON array string
 comma_string_to_json_array() {
     local input="$1"
@@ -300,25 +269,6 @@ convert_crlf_to_lf() {
     fi
 }
 
-# Decompiles a sing-box SRS binary file into a JSON ruleset file
-decompile_srs_file() {
-    local binary_filepath="$1"
-    local output_filepath="$2"
-
-    log "Decompiling $binary_filepath to $output_filepath" "debug"
-
-    if ! file_exists "$binary_filepath"; then
-        log "File $binary_filepath not found" "error"
-        return 1
-    fi
-
-    sing-box rule-set decompile "$binary_filepath" -o "$output_filepath"
-    if [[ $? -ne 0 ]]; then
-        log "Decompilation command failed for $binary_filepath" "error"
-        return 1
-    fi
-}
-
 #######################################
 # Parses a whitespace-separated string, validates items as either domains
 # or IPv4 addresses/subnets, and returns a comma-separated string of valid items.
@@ -387,18 +337,4 @@ parse_domain_or_subnet_file_to_comma_string() {
     done < "$filepath"
 
     echo "$result"
-}
-
-# Extracts all ip_cidr entries from a JSON ruleset file and writes them to an output file.
-extract_ip_cidr_from_json_ruleset_to_file() {
-    local json_file="$1"
-    local output_file="$2"
-
-    if [ ! -f "$json_file" ]; then
-        log "JSON file not found: $json_file" "error"
-        return 1
-    fi
-
-    log "Extracting ip_cidr entries from $json_file to $output_file" "debug"
-    jq -r '.rules[].ip_cidr[]' "$json_file" > "$output_file"
 }
\ No newline at end of file
diff --git a/podkop/files/usr/lib/nft.sh b/podkop/files/usr/lib/nft.sh
index 3a2a3c2..8cbcc6a 100644
--- a/podkop/files/usr/lib/nft.sh
+++ b/podkop/files/usr/lib/nft.sh
@@ -27,4 +27,44 @@ nft_add_set_elements() {
     local elements="$3"
 
     nft add element inet "$table" "$set" "{ $elements }"
+}
+
+nft_add_set_elements_from_file_chunked() {
+    local filepath="$1"
+    local nft_table_name="$2"
+    local nft_set_name="$3"
+    local chunk_size="${4:-5000}"
+
+    local array count
+    count=0
+    while IFS= read -r line; do
+        line=$(echo "$line" | sed 's/^[[:space:]]*//;s/[[:space:]]*$//')
+
+        [ -z "$line" ] && continue
+
+        if ! is_ipv4 "$line" && ! is_ipv4_cidr "$line"; then
+            log "'$line' is not IPv4 or IPv4 CIDR" "debug"
+            continue
+        fi
+
+        if [ -z "$array" ]; then
+            array="$line"
+        else
+            array="$array,$line"
+        fi
+
+        count=$((count + 1))
+
+        if [ "$count" = "$chunk_size" ]; then
+            log "Adding $count elements to nft set $nft_set_name" "debug"
+            nft_add_set_elements "$nft_table_name" "$nft_set_name" "$array"
+            array=""
+            count=0
+        fi
+    done < "$filepath"
+
+    if [ -n "$array" ]; then
+        log "Adding $count elements to nft set $nft_set_name" "debug"
+        nft_add_set_elements "$nft_table_name" "$nft_set_name" "$array"
+    fi
 }
\ No newline at end of file
diff --git a/podkop/files/usr/lib/rulesets.sh b/podkop/files/usr/lib/rulesets.sh
new file mode 100644
index 0000000..c79beb2
--- /dev/null
+++ b/podkop/files/usr/lib/rulesets.sh
@@ -0,0 +1,180 @@
+# Constructs and returns a ruleset tag using section, name, optional type, and a fixed postfix
+get_ruleset_tag() {
+    local section="$1"
+    local name="$2"
+    local type="$3"
+    local postfix="ruleset"
+
+    if [ -n "$type" ]; then
+        echo "$section-$name-$type-$postfix"
+    else
+        echo "$section-$name-$postfix"
+    fi
+}
+
+# Creates a new ruleset JSON file if it doesn't already exist
+create_source_rule_set() {
+    local ruleset_filepath="$1"
+
+    if file_exists "$ruleset_filepath"; then
+        return 3
+    fi
+
+    jq -n '{version: 3, rules: []}' > "$ruleset_filepath"
+}
+
+#######################################
+# Patch a source ruleset JSON file for sing-box by appending a new ruleset object containing the provided key
+# and value.
+# Arguments:
+#   filepath: path to the JSON file to patch
+#   key: the ruleset key to insert (e.g., "ip_cidr")
+#   value: a JSON array of values to assign to the key
+# Example:
+#   patch_source_ruleset_rules "/tmp/sing-box/ruleset.json" "ip_cidr" '["1.1.1.1","2.2.2.2"]'
+#######################################
+patch_source_ruleset_rules() {
+    local filepath="$1"
+    local key="$2"
+    local value="$3"
+
+    local tmpfile=$(mktemp)
+
+    jq --arg key "$key" --argjson value "$value" \
+        '( .rules | map(has($key)) | index(true) ) as $idx |
+        if $idx != null then
+            .rules[$idx][$key] = (.rules[$idx][$key] + $value | unique)
+        else
+            .rules += [{ ($key): $value }]
+        end' "$filepath" > "$tmpfile"
+
+    if [ $? -ne 0 ]; then
+        rm -f "$tmpfile"
+        return 1
+    fi
+
+    mv "$tmpfile" "$filepath"
+}
+
+# Imports a plain domain list into a ruleset in chunks, validating domains and appending them as domain_suffix rules
+import_plain_domain_list_to_local_source_ruleset_chunked() {
+    local plain_list_filepath="$1"
+    local ruleset_filepath="$2"
+    local chunk_size="${3:-5000}"
+
+    local array count json_array
+    count=0
+    while IFS= read -r line; do
+        line=$(echo "$line" | sed 's/^[[:space:]]*//;s/[[:space:]]*$//')
+
+        [ -z "$line" ] && continue
+
+        if ! is_domain_suffix "$line"; then
+            log "'$line' is not a valid domain" "debug"
+            continue
+        fi
+
+        if [ -z "$array" ]; then
+            array="$line"
+        else
+            array="$array,$line"
+        fi
+
+        count=$((count + 1))
+
+        if [ "$count" = "$chunk_size" ]; then
+            log "Adding $count elements to rule set at $ruleset_filepath" "debug"
+            json_array="$(comma_string_to_json_array "$array")"
+            patch_source_ruleset_rules "$ruleset_filepath" "domain_suffix" "$json_array"
+            array=""
+            count=0
+        fi
+    done < "$plain_list_filepath"
+
+    if [ -n "$array" ]; then
+        log "Adding $count elements to rule set at $ruleset_filepath" "debug"
+        json_array="$(comma_string_to_json_array "$array")"
+        patch_source_ruleset_rules "$ruleset_filepath" "domain_suffix" "$json_array"
+    fi
+}
+
+# Imports a plain IPv4/CIDR list into a ruleset in chunks, validating entries and appending them as ip_cidr rules
+import_plain_subnet_list_to_local_source_ruleset_chunked() {
+    local plain_list_filepath="$1"
+    local ruleset_filepath="$2"
+    local chunk_size="${3:-5000}"
+
+    local array count json_array
+    count=0
+    while IFS= read -r line; do
+        line=$(echo "$line" | sed 's/^[[:space:]]*//;s/[[:space:]]*$//')
+
+        [ -z "$line" ] && continue
+
+        if ! is_ipv4 "$line" && ! is_ipv4_cidr "$line"; then
+            log "'$line' is not IPv4 or IPv4 CIDR" "debug"
+            continue
+        fi
+
+        if [ -z "$array" ]; then
+            array="$line"
+        else
+            array="$array,$line"
+        fi
+
+        count=$((count + 1))
+
+        if [ "$count" = "$chunk_size" ]; then
+            log "Adding $count elements to ruleset at $ruleset_filepath" "debug"
+            json_array="$(comma_string_to_json_array "$array")"
+            patch_source_ruleset_rules "$ruleset_filepath" "ip_cidr" "$json_array"
+            array=""
+            count=0
+        fi
+    done < "$plain_list_filepath"
+
+    if [ -n "$array" ]; then
+        log "Adding $count elements to ruleset at $ruleset_filepath" "debug"
+        json_array="$(comma_string_to_json_array "$array")"
+        patch_source_ruleset_rules "$ruleset_filepath" "ip_cidr" "$json_array"
+    fi
+}
+
+# Determines the ruleset format based on the file extension (json → source, srs → binary)
+get_ruleset_format_by_file_extension() {
+    local file_extension="$1"
+
+    local format
+    case "$file_extension" in
+    json) format="source" ;;
+    srs) format="binary" ;;
+    *)
+        log "Unsupported file extension: .$file_extension" "error"
+        return 1
+        ;;
+    esac
+
+    echo "$format"
+}
+
+# Decompiles a sing-box SRS binary file into a JSON ruleset file
+decompile_binary_ruleset() {
+    local binary_filepath="$1"
+    local output_filepath="$2"
+
+    log "Decompiling $binary_filepath to $output_filepath" "debug"
+    sing-box rule-set decompile "$binary_filepath" -o "$output_filepath"
+    if [[ $? -ne 0 ]]; then
+        log "Decompilation command failed for $binary_filepath" "error"
+        return 1
+    fi
+}
+
+# Extracts all ip_cidr entries from a JSON ruleset file and writes them to an output file.
+extract_ip_cidr_from_json_ruleset_to_file() {
+    local json_file="$1"
+    local output_file="$2"
+
+    log "Extracting ip_cidr entries from $json_file to $output_file" "debug"
+    jq -r '.rules[].ip_cidr[]' "$json_file" > "$output_file"
+}
diff --git a/podkop/files/usr/lib/sing_box_config_manager.sh b/podkop/files/usr/lib/sing_box_config_manager.sh
index ff817aa..9a575d4 100644
--- a/podkop/files/usr/lib/sing_box_config_manager.sh
+++ b/podkop/files/usr/lib/sing_box_config_manager.sh
@@ -1365,51 +1365,6 @@ sing_box_cm_configure_clash_api() {
         + (if $secret != "" then { secret: $secret } else {} end)'
 }
 
-#######################################
-# Create a local source ruleset JSON file for sing-box.
-# Arguments:
-#   filepath: path to the JSON file to create
-# Example:
-#   sing_box_cm_create_local_source_ruleset "/tmp/sing-box/ruleset.json"
-#######################################
-sing_box_cm_create_local_source_ruleset() {
-    local filepath="$1"
-
-    jq -n '{version: 3, rules: []}' > "$filepath"
-}
-
-#######################################
-# Patch a local source ruleset JSON file for sing-box by adding unique! values to a given key.
-# Arguments:
-#   filepath: path to the JSON file to patch
-#   key: the ruleset key to update (e.g., "ip_cidr")
-#   value: a JSON array of values to add to the key
-# Example:
-#   sing_box_cm_patch_local_source_ruleset_rules "/tmp/sing-box/ruleset.json" "ip_cidr" '["1.1.1.1","2.2.2.2"]'
-#######################################
-sing_box_cm_patch_local_source_ruleset_rules() {
-    local filepath="$1"
-    local key="$2"
-    local value="$3"
-
-    value=$(_normalize_arg "$value")
-
-    local content
-    content="$(cat "$filepath")"
-
-    echo "$content" | jq \
-        --arg key "$key" \
-        --argjson value "$value" '
-        ([.rules[]?[$key][]] | unique) as $existing
-        | ($value - $existing) as $value
-        | if ($value | length) > 0 then
-            .rules += [{($key): $value}]
-          else
-            .
-          end
-        ' > "$filepath"
-}
-
 #######################################
 # Save a sing-box JSON configuration to a file, removing service-specific tags.
 # Arguments: