refactor: replace monitor heartbeat-v2 with heartbeat

app/api/routers/monitor.py

@@ -175,43 +175,6 @@ def revoke_api_key(server_id: int, db: Session = Depends(get_db), _: models.User
     return None
 
 
-class ServerHeartbeat(BaseModel):
-    identifier: str
-    openclaw_version: str | None = None
-    plugin_version: str | None = None
-    agents: List[dict] = []
-    nginx_installed: bool | None = None
-    nginx_sites: List[str] = []
-    cpu_pct: float | None = None
-    mem_pct: float | None = None
-    disk_pct: float | None = None
-    swap_pct: float | None = None
-
-
-@router.post('/server/heartbeat')
-def server_heartbeat(payload: ServerHeartbeat, db: Session = Depends(get_db)):
-    server = db.query(MonitoredServer).filter(MonitoredServer.identifier == payload.identifier, MonitoredServer.is_enabled == True).first()
-    if not server:
-        raise HTTPException(status_code=404, detail='unknown server identifier')
-    st = db.query(ServerState).filter(ServerState.server_id == server.id).first()
-    if not st:
-        st = ServerState(server_id=server.id)
-        db.add(st)
-    st.openclaw_version = payload.openclaw_version
-    st.plugin_version = payload.plugin_version
-    st.agents_json = json.dumps(payload.agents, ensure_ascii=False)
-    st.nginx_installed = payload.nginx_installed
-    st.nginx_sites_json = json.dumps(payload.nginx_sites, ensure_ascii=False)
-    st.cpu_pct = payload.cpu_pct
-    st.mem_pct = payload.mem_pct
-    st.disk_pct = payload.disk_pct
-    st.swap_pct = payload.swap_pct
-    st.last_seen_at = datetime.now(timezone.utc)
-    db.commit()
-    return {'ok': True, 'server_id': server.id, 'last_seen_at': st.last_seen_at}
-
-
-# Heartbeat v2 with API Key authentication
 class TelemetryPayload(BaseModel):
     identifier: str
     openclaw_version: str | None = None
@@ -227,13 +190,13 @@ class TelemetryPayload(BaseModel):
     uptime_seconds: int | None = None
 
 
-@router.post('/server/heartbeat-v2')
+@router.post('/server/heartbeat')
-def server_heartbeat_v2(
+def server_heartbeat(
     payload: TelemetryPayload,
     x_api_key: str = Header(..., alias='X-API-Key', description='API Key from /admin/servers/{id}/api-key'),
     db: Session = Depends(get_db)
 ):
-    """Server heartbeat using API Key authentication (no challenge_uuid required)"""
+    """Server heartbeat using API Key authentication."""
     server = db.query(MonitoredServer).filter(
         MonitoredServer.api_key == x_api_key,
         MonitoredServer.is_enabled == True
@@ -256,4 +219,3 @@ def server_heartbeat_v2(
     st.last_seen_at = datetime.now(timezone.utc)
     db.commit()
     return {'ok': True, 'server_id': server.id, 'identifier': server.identifier, 'last_seen_at': st.last_seen_at}
-