initial function management refactoring

Cargo.lock

@@ -1913,6 +1913,16 @@ dependencies = [
  "percent-encoding",
 ]
 
+[[package]]
+name = "uuid"
+version = "1.0.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "8cfcd319456c4d6ea10087ed423473267e1a071f3bc0aa89f80d60997843c6f0"
+dependencies = [
+ "getrandom",
+ "rand",
+]
+
 [[package]]
 name = "valuable"
 version = "0.1.0"
@@ -2337,6 +2347,7 @@ dependencies = [
  "tracing",
  "tracing-subscriber",
  "tracing-wasm",
+ "uuid",
  "wasm-bindgen",
  "web-sys",
  "wee_alloc",