diff --git a/crates/buzz-relay/src/api/invites/postgres_tests/restriction_tests.rs b/crates/buzz-relay/src/api/invites/postgres_tests/restriction_tests.rs
index 392fa206c6..be0dd13165 100644
--- a/crates/buzz-relay/src/api/invites/postgres_tests/restriction_tests.rs
+++ b/crates/buzz-relay/src/api/invites/postgres_tests/restriction_tests.rs
@@ -1,254 +1,256 @@
-use super::*;
+mod postgres_tests {
+    use super::super::*;
 
-async fn fixture() -> (Arc<AppState>, String, buzz_core::CommunityId, Keys) {
-    let host = format!("restricted-invite-{}.example", Uuid::new_v4().simple());
-    let state = invite_test_state(&host)
-        .await
-        .expect("isolated PostgreSQL state");
-    let community = state
-        .db
-        .ensure_configured_community(&host)
-        .await
-        .unwrap()
-        .id;
-    let owner = Keys::generate();
-    state
-        .db
-        .add_relay_member(community, &owner.public_key().to_hex(), "owner", None)
-        .await
-        .unwrap();
-    (state, host, community, owner)
-}
+    async fn fixture() -> (Arc<AppState>, String, buzz_core::CommunityId, Keys) {
+        let host = format!("restricted-invite-{}.example", Uuid::new_v4().simple());
+        let state = invite_test_state(&host)
+            .await
+            .expect("isolated PostgreSQL state");
+        let community = state
+            .db
+            .ensure_configured_community(&host)
+            .await
+            .unwrap()
+            .id;
+        let owner = Keys::generate();
+        state
+            .db
+            .add_relay_member(community, &owner.public_key().to_hex(), "owner", None)
+            .await
+            .unwrap();
+        (state, host, community, owner)
+    }
 
-async fn post_with_owner_tag(
-    state: Arc<AppState>,
-    host: &str,
-    path: &str,
-    agent: &Keys,
-    body: String,
-    auth_tag: &str,
-) -> axum::response::Response {
-    let auth = nip98_auth_header(agent, &format!("https://{host}{path}"), body.as_bytes());
-    build_router(state)
-        .oneshot(
-            Request::builder()
-                .method("POST")
-                .uri(path)
-                .header(header::HOST, host)
-                .header(header::AUTHORIZATION, auth)
-                .header("x-auth-tag", auth_tag)
-                .header(header::CONTENT_TYPE, "application/json")
-                .body(Body::from(body))
-                .unwrap(),
+    async fn post_with_owner_tag(
+        state: Arc<AppState>,
+        host: &str,
+        path: &str,
+        agent: &Keys,
+        body: String,
+        auth_tag: &str,
+    ) -> axum::response::Response {
+        let auth = nip98_auth_header(agent, &format!("https://{host}{path}"), body.as_bytes());
+        build_router(state)
+            .oneshot(
+                Request::builder()
+                    .method("POST")
+                    .uri(path)
+                    .header(header::HOST, host)
+                    .header(header::AUTHORIZATION, auth)
+                    .header("x-auth-tag", auth_tag)
+                    .header(header::CONTENT_TYPE, "application/json")
+                    .body(Body::from(body))
+                    .unwrap(),
+            )
+            .await
+            .unwrap()
+    }
+
+    #[tokio::test]
+    #[ignore = "requires Postgres"]
+    async fn signed_nonmember_claims_reject_restrictions_without_consuming_invite() {
+        let (state, host, community, issuer) = fixture().await;
+        let code = mint_code(
+            state.clone(),
+            &host,
+            &issuer,
+            serde_json::json!({"max_uses":1}),
         )
-        .await
-        .unwrap()
-}
+        .await;
+        let claimant = Keys::generate();
+        state
+            .db
+            .ban_community_member(
+                community,
+                claimant.public_key().as_bytes(),
+                issuer.public_key().as_bytes(),
+                None,
+                None,
+            )
+            .await
+            .unwrap();
+        let key = derive_invite_key(&state.relay_keypair);
+        let (legacy, _) = crate::invite_token::mint_invite(&key, community, 3600);
+        for bearer in [&code, &legacy] {
+            let response = post_json(
+                state.clone(),
+                &host,
+                "/api/invites/claim",
+                &claimant,
+                serde_json::json!({"code":bearer}).to_string(),
+            )
+            .await;
+            assert_eq!(response.status(), StatusCode::FORBIDDEN);
+            assert_eq!(read_json(response).await["error"], "invite_restricted");
+        }
+        assert!(!state
+            .db
+            .is_relay_member(community, &claimant.public_key().to_hex())
+            .await
+            .unwrap());
+        let unrestricted = Keys::generate();
+        assert_eq!(
+            post_json(
+                state,
+                &host,
+                "/api/invites/claim",
+                &unrestricted,
+                serde_json::json!({"code":code}).to_string()
+            )
+            .await
+            .status(),
+            StatusCode::OK
+        );
+    }
 
-#[tokio::test]
-#[ignore = "requires Postgres"]
-async fn signed_nonmember_claims_reject_restrictions_without_consuming_invite() {
-    let (state, host, community, issuer) = fixture().await;
-    let code = mint_code(
-        state.clone(),
-        &host,
-        &issuer,
-        serde_json::json!({"max_uses":1}),
-    )
-    .await;
-    let claimant = Keys::generate();
-    state
-        .db
-        .ban_community_member(
-            community,
-            claimant.public_key().as_bytes(),
-            issuer.public_key().as_bytes(),
-            None,
-            None,
+    #[tokio::test]
+    #[ignore = "requires Postgres"]
+    async fn verified_owner_blocks_first_agent_claim_but_forged_owner_does_not_bind() {
+        let (state, host, community, issuer) = fixture().await;
+        let code = mint_code(state.clone(), &host, &issuer, serde_json::json!({})).await;
+        let owner = Keys::generate();
+        state
+            .db
+            .ban_community_member(
+                community,
+                owner.public_key().as_bytes(),
+                issuer.public_key().as_bytes(),
+                None,
+                None,
+            )
+            .await
+            .unwrap();
+        let agent = Keys::generate();
+        let tag = buzz_sdk::nip_oa::compute_auth_tag(&owner, &agent.public_key(), "").unwrap();
+        let response = post_with_owner_tag(
+            state.clone(),
+            &host,
+            "/api/invites/claim",
+            &agent,
+            serde_json::json!({"code":code}).to_string(),
+            &tag,
         )
-        .await
-        .unwrap();
-    let key = derive_invite_key(&state.relay_keypair);
-    let (legacy, _) = crate::invite_token::mint_invite(&key, community, 3600);
-    for bearer in [&code, &legacy] {
+        .await;
+        assert_eq!(response.status(), StatusCode::FORBIDDEN);
+        assert_eq!(read_json(response).await["error"], "invite_restricted");
+        assert!(!state
+            .db
+            .is_relay_member(community, &agent.public_key().to_hex())
+            .await
+            .unwrap());
+        let other_agent = Keys::generate();
+        // A credential signed for another key cannot bind this claimant's owner.
+        let response = post_with_owner_tag(
+            state.clone(),
+            &host,
+            "/api/invites/claim",
+            &other_agent,
+            serde_json::json!({"code":code}).to_string(),
+            &tag,
+        )
+        .await;
+        assert_eq!(response.status(), StatusCode::OK);
+        assert!(!state
+            .db
+            .is_agent_owner(
+                community,
+                other_agent.public_key().as_bytes(),
+                owner.public_key().as_bytes()
+            )
+            .await
+            .unwrap());
+    }
+
+    #[tokio::test]
+    #[ignore = "requires Postgres"]
+    async fn committed_issuer_ban_survives_unban_through_http() {
+        let (state, host, community, issuer) = fixture().await;
+        let code = mint_code(state.clone(), &host, &issuer, serde_json::json!({})).await;
+        state
+            .db
+            .ban_community_member(
+                community,
+                issuer.public_key().as_bytes(),
+                issuer.public_key().as_bytes(),
+                None,
+                None,
+            )
+            .await
+            .unwrap();
+        state
+            .db
+            .unban_community_member(
+                community,
+                issuer.public_key().as_bytes(),
+                issuer.public_key().as_bytes(),
+            )
+            .await
+            .unwrap();
+        let response = post_json(
+            state.clone(),
+            &host,
+            "/api/invites/claim",
+            &Keys::generate(),
+            serde_json::json!({"code":code}).to_string(),
+        )
+        .await;
+        assert_eq!(response.status(), StatusCode::FORBIDDEN);
+        assert_eq!(read_json(response).await["error"], "invite_invalid");
+    }
+
+    #[tokio::test]
+    #[ignore = "requires Postgres"]
+    async fn cutoff_rejects_only_v1_and_restriction_lookup_failure_never_admits() {
+        let (state, host, community, issuer) = fixture().await;
+        let code = mint_code(state.clone(), &host, &issuer, serde_json::json!({})).await;
+        let key = derive_invite_key(&state.relay_keypair);
+        let (legacy, _) = crate::invite_token::mint_invite(&key, community, 3600);
+        let Ok(mut state) = Arc::try_unwrap(state) else {
+            panic!("exclusive fixture state");
+        };
+        Arc::make_mut(&mut state.config).invite_v1_invalid_after = Some(0);
+        let state = Arc::new(state);
+        let response = post_json(
+            state.clone(),
+            &host,
+            "/api/invites/claim",
+            &Keys::generate(),
+            serde_json::json!({"code":legacy}).to_string(),
+        )
+        .await;
+        assert_eq!(response.status(), StatusCode::FORBIDDEN);
+        assert_eq!(read_json(response).await["error"], "invite_expired");
+        assert_eq!(
+            post_json(
+                state.clone(),
+                &host,
+                "/api/invites/claim",
+                &Keys::generate(),
+                serde_json::json!({"code":code}).to_string()
+            )
+            .await
+            .status(),
+            StatusCode::OK
+        );
+        // This test owns its per-process database; never alters a shared fixture.
+        sqlx::query("ALTER TABLE community_bans RENAME TO unavailable_restrictions")
+            .execute(state.db.pool())
+            .await
+            .unwrap();
+        let claimant = Keys::generate();
         let response = post_json(
             state.clone(),
             &host,
             "/api/invites/claim",
             &claimant,
-            serde_json::json!({"code":bearer}).to_string(),
+            serde_json::json!({"code":code}).to_string(),
         )
         .await;
-        assert_eq!(response.status(), StatusCode::FORBIDDEN);
-        assert_eq!(read_json(response).await["error"], "invite_restricted");
+        assert_eq!(response.status(), StatusCode::INTERNAL_SERVER_ERROR);
+        assert!(!state
+            .db
+            .is_relay_member(community, &claimant.public_key().to_hex())
+            .await
+            .unwrap());
     }
-    assert!(!state
-        .db
-        .is_relay_member(community, &claimant.public_key().to_hex())
-        .await
-        .unwrap());
-    let unrestricted = Keys::generate();
-    assert_eq!(
-        post_json(
-            state,
-            &host,
-            "/api/invites/claim",
-            &unrestricted,
-            serde_json::json!({"code":code}).to_string()
-        )
-        .await
-        .status(),
-        StatusCode::OK
-    );
-}
-
-#[tokio::test]
-#[ignore = "requires Postgres"]
-async fn verified_owner_blocks_first_agent_claim_but_forged_owner_does_not_bind() {
-    let (state, host, community, issuer) = fixture().await;
-    let code = mint_code(state.clone(), &host, &issuer, serde_json::json!({})).await;
-    let owner = Keys::generate();
-    state
-        .db
-        .ban_community_member(
-            community,
-            owner.public_key().as_bytes(),
-            issuer.public_key().as_bytes(),
-            None,
-            None,
-        )
-        .await
-        .unwrap();
-    let agent = Keys::generate();
-    let tag = buzz_sdk::nip_oa::compute_auth_tag(&owner, &agent.public_key(), "").unwrap();
-    let response = post_with_owner_tag(
-        state.clone(),
-        &host,
-        "/api/invites/claim",
-        &agent,
-        serde_json::json!({"code":code}).to_string(),
-        &tag,
-    )
-    .await;
-    assert_eq!(response.status(), StatusCode::FORBIDDEN);
-    assert_eq!(read_json(response).await["error"], "invite_restricted");
-    assert!(!state
-        .db
-        .is_relay_member(community, &agent.public_key().to_hex())
-        .await
-        .unwrap());
-    let other_agent = Keys::generate();
-    // A credential signed for another key cannot bind this claimant's owner.
-    let response = post_with_owner_tag(
-        state.clone(),
-        &host,
-        "/api/invites/claim",
-        &other_agent,
-        serde_json::json!({"code":code}).to_string(),
-        &tag,
-    )
-    .await;
-    assert_eq!(response.status(), StatusCode::OK);
-    assert!(!state
-        .db
-        .is_agent_owner(
-            community,
-            other_agent.public_key().as_bytes(),
-            owner.public_key().as_bytes()
-        )
-        .await
-        .unwrap());
-}
-
-#[tokio::test]
-#[ignore = "requires Postgres"]
-async fn committed_issuer_ban_survives_unban_through_http() {
-    let (state, host, community, issuer) = fixture().await;
-    let code = mint_code(state.clone(), &host, &issuer, serde_json::json!({})).await;
-    state
-        .db
-        .ban_community_member(
-            community,
-            issuer.public_key().as_bytes(),
-            issuer.public_key().as_bytes(),
-            None,
-            None,
-        )
-        .await
-        .unwrap();
-    state
-        .db
-        .unban_community_member(
-            community,
-            issuer.public_key().as_bytes(),
-            issuer.public_key().as_bytes(),
-        )
-        .await
-        .unwrap();
-    let response = post_json(
-        state.clone(),
-        &host,
-        "/api/invites/claim",
-        &Keys::generate(),
-        serde_json::json!({"code":code}).to_string(),
-    )
-    .await;
-    assert_eq!(response.status(), StatusCode::FORBIDDEN);
-    assert_eq!(read_json(response).await["error"], "invite_invalid");
-}
-
-#[tokio::test]
-#[ignore = "requires Postgres"]
-async fn cutoff_rejects_only_v1_and_restriction_lookup_failure_never_admits() {
-    let (state, host, community, issuer) = fixture().await;
-    let code = mint_code(state.clone(), &host, &issuer, serde_json::json!({})).await;
-    let key = derive_invite_key(&state.relay_keypair);
-    let (legacy, _) = crate::invite_token::mint_invite(&key, community, 3600);
-    let Ok(mut state) = Arc::try_unwrap(state) else {
-        panic!("exclusive fixture state");
-    };
-    Arc::make_mut(&mut state.config).invite_v1_invalid_after = Some(0);
-    let state = Arc::new(state);
-    let response = post_json(
-        state.clone(),
-        &host,
-        "/api/invites/claim",
-        &Keys::generate(),
-        serde_json::json!({"code":legacy}).to_string(),
-    )
-    .await;
-    assert_eq!(response.status(), StatusCode::FORBIDDEN);
-    assert_eq!(read_json(response).await["error"], "invite_expired");
-    assert_eq!(
-        post_json(
-            state.clone(),
-            &host,
-            "/api/invites/claim",
-            &Keys::generate(),
-            serde_json::json!({"code":code}).to_string()
-        )
-        .await
-        .status(),
-        StatusCode::OK
-    );
-    // This test owns its per-process database; never alters a shared fixture.
-    sqlx::query("ALTER TABLE community_bans RENAME TO unavailable_restrictions")
-        .execute(state.db.pool())
-        .await
-        .unwrap();
-    let claimant = Keys::generate();
-    let response = post_json(
-        state.clone(),
-        &host,
-        "/api/invites/claim",
-        &claimant,
-        serde_json::json!({"code":code}).to_string(),
-    )
-    .await;
-    assert_eq!(response.status(), StatusCode::INTERNAL_SERVER_ERROR);
-    assert!(!state
-        .db
-        .is_relay_member(community, &claimant.public_key().to_hex())
-        .await
-        .unwrap());
 }