feat: SAC 0.7.0 display_name columns and event severity overrides

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

backend/app/api/v1/events.py

@@ -15,6 +15,7 @@ from app.database import get_db
 from app.models import Event, Host
 from app.schemas.list_models import EventDetail, EventListResponse, EventSummary
 from app.services.ingest import ingest_event
+from app.services.event_summary import event_to_summary
 from app.services.problems import maybe_create_problem
 from app.services.schema_validate import validate_event_payload
 from app.services.notify_dispatch import (
@@ -133,8 +134,8 @@ def list_events(
         count_stmt = count_stmt.where(Event.host_id == host_id)
     if hostname:
         like = f"%{hostname}%"
-        stmt = stmt.where(Host.hostname.ilike(like))
-        count_stmt = count_stmt.where(Host.hostname.ilike(like))
+        stmt = stmt.where(Host.hostname.ilike(like) | Host.display_name.ilike(like))
+        count_stmt = count_stmt.where(Host.hostname.ilike(like) | Host.display_name.ilike(like))
     dt_from = _parse_optional_dt(from_time)
     dt_to = _parse_optional_dt(to_time)
     if dt_from:
@@ -155,22 +156,7 @@ def list_events(
         .limit(page_size)
     ).all()
 
-    items = [
-        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
-    ]
+    items = [event_to_summary(e) for e in rows]
     return EventListResponse(items=items, total=total, page=page, page_size=page_size)
 
 
@@ -190,6 +176,7 @@ def get_event(
         event_id=event.event_id,
         host_id=event.host_id,
         hostname=event.host.hostname,
+        display_name=event.host.display_name,
         occurred_at=event.occurred_at,
         received_at=event.received_at,
         category=event.category,