refactor (v2): better arch

Co-authored-by: Copilot <copilot@github.com>

crates/adapters/auth/Cargo.toml

@@ -0,0 +1,27 @@
+[package]
+name = "auth"
+version = "0.1.0"
+edition = "2024"
+
+[features]
+default = []
+jwt = ["dep:jsonwebtoken"]
+oidc = ["dep:openidconnect", "dep:reqwest"]
+
+[dependencies]
+domain = { workspace = true }
+async-trait = { workspace = true }
+tokio = { workspace = true }
+tracing = { workspace = true }
+serde = { workspace = true }
+anyhow = { workspace = true }
+thiserror = { workspace = true }
+argon2 = "0.5"
+url = "2"
+
+jsonwebtoken = { version = "10", features = ["rust_crypto"], optional = true }
+openidconnect = { version = "4", optional = true }
+reqwest = { version = "0.12", features = ["json"], optional = true }
+
+[dev-dependencies]
+tokio = { workspace = true }