fix: Ensure unique values when patching local source ruleset

podkop/files/usr/lib/sing_box_config_manager.sh

@@ -1227,12 +1227,28 @@ sing_box_cm_configure_clash_api() {
         }'
 }
 
+#######################################
+# 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="$2"
@@ -1244,9 +1260,16 @@ sing_box_cm_patch_local_source_ruleset_rules() {
     content="$(cat "$filepath")"
 
     echo "$content" | jq \
-    --arg key "$key" \
-    --argjson value "$value" \
-    '.rules += [{($key): $value}]' > "$filepath"
+        --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"
 }
 
 #######################################