add support for synthetic tags

Cargo.lock

@@ -826,8 +826,8 @@ dependencies = [
  "serde",
  "serde_derive",
  "serde_json",
- "strum",
- "strum_macros",
+ "strum 0.18.0",
+ "strum_macros 0.18.0",
 ]
 
 [[package]]
@@ -2814,6 +2814,12 @@ version = "0.18.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "57bd81eb48f4c437cadc685403cad539345bf703d78e63707418431cecd4522b"
 
+[[package]]
+name = "strum"
+version = "0.21.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "aaf86bbcfd1fa9670b7a129f64fc0c9fcbbfe4f1bc4210e9e98fe71ffc12cde2"
+
 [[package]]
 name = "strum_macros"
 version = "0.18.0"
@@ -2826,6 +2832,18 @@ dependencies = [
  "syn",
 ]
 
+[[package]]
+name = "strum_macros"
+version = "0.21.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "d06aaeeee809dbc59eb4556183dd927df67db1540de5be8d3ec0b6636358a5ec"
+dependencies = [
+ "heck",
+ "proc-macro2",
+ "quote",
+ "syn",
+]
+
 [[package]]
 name = "syn"
 version = "1.0.72"
@@ -2853,8 +2871,11 @@ dependencies = [
  "lmdb-rkv 0.14.0",
  "log",
  "proptest",
+ "rstest",
  "serde",
  "serde_json",
+ "strum 0.21.0",
+ "strum_macros 0.21.1",
  "tempfile",
  "thiserror",
  "tindercrypt",