system of save

Cargo.lock

@@ -1757,6 +1757,12 @@ dependencies = [
  "either",
 ]
 
+[[package]]
+name = "itoa"
+version = "1.0.15"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "4a5f13b858c8d314ee3e8f639011f7ccefe71f97f96e50151fb991f267928e2c"
+
 [[package]]
 name = "jni"
 version = "0.21.1"
@@ -2724,6 +2730,8 @@ version = "0.1.0"
 dependencies = [
  "iced",
  "kira",
+ "serde",
+ "serde_json",
  "tokio",
 ]
 
@@ -3030,6 +3038,12 @@ dependencies = [
  "unicode-script",
 ]
 
+[[package]]
+name = "ryu"
+version = "1.0.20"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "28d3b2b1366ec20994f1fd18c3c594f05c5dd4bc44d8bb0c1c632c8d6829481f"
+
 [[package]]
 name = "same-file"
 version = "1.0.6"
@@ -3096,6 +3110,18 @@ dependencies = [
  "syn 2.0.101",
 ]
 
+[[package]]
+name = "serde_json"
+version = "1.0.140"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "20068b6e96dc6c9bd23e01df8827e6c7e1f2fddd43c21810382803c136b99373"
+dependencies = [
+ "itoa",
+ "memchr",
+ "ryu",
+ "serde",
+]
+
 [[package]]
 name = "serde_repr"
 version = "0.1.20"