3

backend/internal/modules/nodeagent/module.go

@@ -158,6 +158,7 @@ func (m *Module) bootstrapEnrollment(w http.ResponseWriter, r *http.Request) {
 
 func (m *Module) registerAgent(w http.ResponseWriter, r *http.Request) {
 	var payload struct {
+		ClusterID           string          `json:"cluster_id"`
 		NodeKey             string          `json:"node_key"`
 		Name                string          `json:"name"`
 		OwnershipType       string          `json:"ownership_type"`
@@ -197,6 +198,19 @@ func (m *Module) registerAgent(w http.ResponseWriter, r *http.Request) {
 		httpx.WriteError(w, http.StatusInternalServerError, err.Error())
 		return
 	}
+	if payload.ClusterID != "" {
+		if _, err := m.db.Exec(r.Context(), `
+			INSERT INTO cluster_memberships (cluster_id, node_id, membership_status, joined_at, last_seen_at, metadata)
+			VALUES ($1::uuid, $2::uuid, 'active', $3, $3, $4::jsonb)
+			ON CONFLICT (cluster_id, node_id) DO UPDATE SET
+				membership_status = 'active',
+				last_seen_at = EXCLUDED.last_seen_at,
+				metadata = cluster_memberships.metadata || EXCLUDED.metadata
+		`, payload.ClusterID, nodeID, now, []byte(`{"source":"fabric_control_candidate_registration"}`)); err != nil {
+			httpx.WriteError(w, http.StatusInternalServerError, err.Error())
+			return
+		}
+	}
 	httpx.WriteJSON(w, http.StatusOK, map[string]any{
 		"node_id": nodeID,
 		"status":  "registered",