refactor: extract inline test modules to separate files

crates/adapters/auth/src/lib.rs

@@ -93,31 +93,4 @@ impl PasswordHasher for Argon2PasswordHasher {
 }
 
 #[cfg(test)]
-mod tests {
-    use super::*;
-    use domain::ports::AuthService;
-
-    #[test]
-    fn generate_and_validate_token() {
-        let svc = JwtAuthService::new("a-secret-that-is-at-least-32-bytes!!".into(), 3600);
-        let id = UserId::new();
-        let tok = svc.generate_token(&id).unwrap();
-        let parsed = svc.validate_token(&tok.token).unwrap();
-        assert_eq!(parsed.as_uuid(), id.as_uuid());
-    }
-
-    #[test]
-    fn invalid_token_returns_unauthorized() {
-        let svc = JwtAuthService::new("a-secret-that-is-at-least-32-bytes!!".into(), 3600);
-        let err = svc.validate_token("not.a.token").unwrap_err();
-        assert!(matches!(err, DomainError::Unauthorized));
-    }
-
-    #[tokio::test]
-    async fn hash_and_verify() {
-        let hasher = Argon2PasswordHasher;
-        let hash = hasher.hash("mypassword").await.unwrap();
-        assert!(hasher.verify("mypassword", &hash).await.unwrap());
-        assert!(!hasher.verify("wrongpassword", &hash).await.unwrap());
-    }
-}
+mod tests;