Model server-runner communication

Cargo.lock

@@ -528,6 +528,9 @@ name = "deranged"
 version = "0.3.7"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "7684a49fb1af197853ef7b2ee694bc1f5b4179556f1e5710e1760c5db6f5e929"
+dependencies = [
+ "serde",
+]
 
 [[package]]
 name = "digest"
@@ -2382,6 +2385,17 @@ dependencies = [
  "serde",
 ]
 
+[[package]]
+name = "serde_repr"
+version = "0.1.16"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "8725e1dfadb3a50f7e5ce0b1a540466f6ed3fe7a0fca2ac2b8b831d31316bd00"
+dependencies = [
+ "proc-macro2",
+ "quote",
+ "syn 2.0.28",
+]
+
 [[package]]
 name = "serde_spanned"
 version = "0.6.3"
@@ -2813,6 +2827,7 @@ dependencies = [
  "rand",
  "rust-embed",
  "serde",
+ "serde_repr",
  "sqlx",
  "time",
  "tokio",