test: refusing fakes, failure-path tests, shared panic stubs

crates/domain/src/testing/fakes/noops.rs

@@ -4,8 +4,9 @@ use async_trait::async_trait;
 
 use crate::{
     errors::DomainError,
-    events::DomainEvent,
-    ports::{EventPublisher, ObjectStorage},
+    events::{AckHandle, DomainEvent},
+    models::{Person, PersonEnrichmentData, PersonId},
+    ports::{EventPublisher, ObjectStorage, PersonCommand},
     value_objects::UserId,
 };
 
@@ -145,3 +146,38 @@ impl crate::ports::RemoteGoalRepository for NoopRemoteGoalRepository {
         Ok(vec![])
     }
 }
+
+// ── NoopAckHandle ─────────────────────────────────────────────────────────────
+
+pub struct NoopAckHandle;
+
+#[async_trait]
+impl AckHandle for NoopAckHandle {
+    async fn ack(&self) -> Result<(), DomainError> {
+        Ok(())
+    }
+    async fn nack(&self) -> Result<(), DomainError> {
+        Ok(())
+    }
+}
+
+// ── NoopPersonCommand ─────────────────────────────────────────────────────────
+
+pub struct NoopPersonCommand;
+
+#[async_trait]
+impl PersonCommand for NoopPersonCommand {
+    async fn upsert_batch(&self, _: &[Person]) -> Result<(), DomainError> {
+        Ok(())
+    }
+    async fn backfill_from_credits_batch(&self, _: u32) -> Result<(u64, bool), DomainError> {
+        Ok((0, false))
+    }
+    async fn update_enrichment(
+        &self,
+        _: &PersonId,
+        _: &PersonEnrichmentData,
+    ) -> Result<(), DomainError> {
+        Ok(())
+    }
+}