feat: SAC 0.7.0 display_name columns and event severity overrides

Co-authored-by: Cursor <cursoragent@cursor.com>

backend/app/api/v1/dashboards.py

@@ -10,6 +10,7 @@ from app.config import get_settings
 from app.database import get_db
 from app.models import Event, Host, Problem
 from app.schemas.list_models import EventSummary
+from app.services.event_summary import event_to_summary
 from app.services.host_health import DAILY_REPORT_TYPES, HEARTBEAT_TYPE, count_stale_hosts
 
 router = APIRouter(prefix="/dashboards", tags=["dashboards"])
@@ -24,27 +25,13 @@ def fetch_recent_events(db: Session, *, limit: int = 8) -> list[EventSummary]:
         .order_by(Event.received_at.desc())
         .limit(limit)
     ).all()
-    return [
-        EventSummary(
-            id=e.id,
-            event_id=e.event_id,
-            host_id=e.host_id,
-            hostname=e.host.hostname,
-            occurred_at=e.occurred_at,
-            received_at=e.received_at,
-            category=e.category,
-            type=e.type,
-            severity=e.severity,
-            title=e.title,
-            summary=e.summary,
-        )
-        for e in rows
-    ]
+    return [event_to_summary(e) for e in rows]
 
 
 class TopHostItem(BaseModel):
     host_id: int
     hostname: str
+    display_name: str | None = None
     count: int
 
 
@@ -108,16 +95,16 @@ def dashboard_summary(
     )
 
     top_host_rows = db.execute(
-        select(Host.id, Host.hostname, func.count())
+        select(Host.id, Host.hostname, Host.display_name, func.count())
         .select_from(Event)
         .join(Host, Event.host_id == Host.id)
         .where(Event.received_at >= since)
-        .group_by(Host.id, Host.hostname)
+        .group_by(Host.id, Host.hostname, Host.display_name)
         .order_by(func.count().desc())
         .limit(10)
     ).all()
     top_hosts = [
-        TopHostItem(host_id=row[0], hostname=row[1], count=row[2]) for row in top_host_rows
+        TopHostItem(host_id=row[0], hostname=row[1], display_name=row[2], count=row[3]) for row in top_host_rows
     ]
 
     top_type_rows = db.execute(