Improved object serialization

Cargo.lock

@@ -1217,6 +1217,7 @@ dependencies = [
  "directory",
  "dns-update",
  "futures",
+ "hashify",
  "hostname 0.4.0",
  "hyper 1.6.0",
  "idna",
@@ -1896,6 +1897,12 @@ version = "0.3.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "fea41bba32d969b513997752735605054bc0dfa92b4c56bf1189f2e174be7a10"
 
+[[package]]
+name = "downcast-rs"
+version = "2.0.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "ea8a8b81cacc08888170eef4d13b775126db426d0b348bee9d18c2c1eaf123cf"
+
 [[package]]
 name = "dsa"
 version = "0.6.3"
@@ -2055,6 +2062,7 @@ dependencies = [
  "cbc",
  "common",
  "directory",
+ "hashify",
  "jmap_proto",
  "mail-builder",
  "mail-parser",
@@ -2124,6 +2132,16 @@ version = "1.0.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "5443807d6dff69373d433ab9ef5378ad8df50ca6298caf15de6e52e24aaf54d5"
 
+[[package]]
+name = "erased-serde"
+version = "0.4.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "24e2389d65ab4fab27dc2a5de7b191e1f6617d1f1c8855c0dc569c94a4cbb18d"
+dependencies = [
+ "serde",
+ "typeid",
+]
+
 [[package]]
 name = "errno"
 version = "0.3.10"
@@ -4014,6 +4032,7 @@ dependencies = [
  "bincode",
  "common",
  "directory",
+ "email",
  "imap",
  "imap_proto",
  "jmap",
@@ -7435,6 +7454,12 @@ dependencies = [
  "static_assertions",
 ]
 
+[[package]]
+name = "typeid"
+version = "1.0.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "0e13db2e0ccd5e14a544e8a246ba2312cd25223f616442d7f2cb0e3db614236e"
+
 [[package]]
 name = "typenum"
 version = "1.17.0"
@@ -7595,6 +7620,9 @@ dependencies = [
  "base64 0.22.1",
  "blake3",
  "chrono",
+ "downcast-rs",
+ "erased-serde",
+ "fast-float",
  "form_urlencoded",
  "futures",
  "http-body-util",