feat: move metadata to TraceMetadata; we'd probably json lines the events

Author: alehander92

Cargo.toml

@@ -1,6 +1,6 @@
 [package]
 name = "trace_types"
-version = "0.3.1"
+version = "0.4.0"
 edition = "2021"
 
 # See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html

src/lib.rs

@@ -26,10 +26,14 @@ pub struct FullValueRecord {
 }
 
 #[derive(Debug, Clone, Serialize, Deserialize)]
-pub struct TraceLowLevelRecord {
+pub struct TraceMetadata {
     pub workdir: PathBuf,
     pub program: String,
     pub args: Vec<String>,
+}
+
+#[derive(Debug, Clone, Serialize, Deserialize)]
+pub struct TraceLowLevelRecord {
     pub events: Vec<TraceLowLevelEvent>,
 }