feat: add session and local id vars

Cargo.lock

@@ -832,6 +832,7 @@ dependencies = [
  "tokio",
  "toml",
  "toml_edit",
+ "uuid",
 ]
 
 [[package]]
@@ -1385,6 +1386,15 @@ version = "0.2.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "06abde3611657adf66d383f00b093d7faecc7fa57071cce2578660c9f1010821"
 
+[[package]]
+name = "uuid"
+version = "1.11.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "f8c5f0a0af699448548ad1a2fbf920fb4bee257eae39953ba95cb84891a0446a"
+dependencies = [
+ "getrandom",
+]
+
 [[package]]
 name = "vcpkg"
 version = "0.2.15"

Cargo.toml

@@ -25,6 +25,7 @@ thiserror = "1.0.64"
 tokio = { version = "1.40", features = ["rt-multi-thread"] }
 toml = { version = "0.8", features = ["preserve_order"] }
 toml_edit = { version = "0.22", features = ["serde"] } # only to pretty print tables ...
+uuid = { version = "1.11", features = ["v4"] }
 
 [profile.release]
 opt-level = "z"

src/ext.rs

@@ -1,5 +1,10 @@
 use std::{collections::HashMap, sync::OnceLock};
 
+pub fn sid() -> &'static str {
+	static SID: std::sync::OnceLock<String> = std::sync::OnceLock::new();
+	SID.get_or_init(|| uuid::Uuid::new_v4().to_string())
+}
+
 #[derive(Debug, Clone, serde::Serialize, serde::Deserialize)]
 #[serde(untagged)]
 pub enum StringOr<T> {
@@ -75,6 +80,8 @@ pub trait FillableFromEnvironment: Sized {
 		let mut vars: std::collections::HashMap<String, String> = std::collections::HashMap::default();
 
 		vars.insert("POSTWOMAN_TIMESTAMP".to_string(), chrono::Local::now().timestamp().to_string());
+		vars.insert("POSTWOMAN_LOCAL_ID".to_string(), uuid::Uuid::new_v4().to_string());
+		vars.insert("POSTWOMAN_SESSION_ID".to_string(), sid().to_string());
 
 		for (k, v) in env {
 			vars.insert(k.to_string(), stringify_toml(v));