a whole lot of preem User/Session/Auth work

Cargo.toml

@@ -6,14 +6,19 @@ edition = "2024"
 [dependencies]
 argon2 = "0.5.3"
 axum = "0.8.8"
-chrono = "0.4.43"
+base32 = "0.5.1"
+base64 = "0.22.1"
+chrono = { version = "0.4.43", features = ["serde"] }
 chrono-tz = "0.10.4"
 dotenvy = "0.15.7"
 maud = { version = "0.27.0", features = ["axum"] }
 rand = "0.10.0"
+rand08 = { version = "0.8.5", package = "rand" }
 rusqlite = { version = "0.38.0", features = ["bundled", "chrono", "uuid"] }
 serde = { version = "1.0.228", features = ["derive"] }
 serde_json = "1.0.149"
+sha2 = "0.10.9"
+strum = { version = "0.27.0", features = ["derive"] }
 thiserror = "2.0.18"
 tokio = { version = "1.49.0", features = ["full"] }
 tower = { version = "0.5.3", features = ["full"] }