feat: host display_name в ingest, поиск хостов, UI и docs

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

backend/app/api/v1/hosts.py

@@ -34,8 +34,9 @@ def list_hosts(
         count_stmt = count_stmt.where(Host.product == product)
     if hostname:
         like = f"%{hostname}%"
-        stmt = stmt.where(Host.hostname.ilike(like))
-        count_stmt = count_stmt.where(Host.hostname.ilike(like))
+        host_match = Host.hostname.ilike(like) | Host.display_name.ilike(like)
+        stmt = stmt.where(host_match)
+        count_stmt = count_stmt.where(host_match)
 
     total = db.scalar(count_stmt) or 0
     rows = db.scalars(

backend/app/services/ingest.py

@@ -46,7 +46,9 @@ def upsert_host(db: Session, payload: dict) -> Host:
         db.add(host)
     else:
         host.hostname = hostname
-        host.display_name = host_data.get("display_name") or host.display_name
+        dn = host_data.get("display_name")
+        if isinstance(dn, str) and dn.strip():
+            host.display_name = dn.strip()
         host.os_version = host_data.get("os_version") or host.os_version
         host.product_version = source.get("product_version") or host.product_version
         host.ipv4 = host_data.get("ipv4") or host.ipv4