{
 "solver_error": "Infeasible",
 "relax_chain": [
  "strict",
  "relaxed_expensive_import",
  "relaxed_neg_buy_charge",
  "relaxed_neg_prep_hold_only",
  "relaxed_neg_prep_window",
  "neg_sell_phases_fallback",
  "relaxed_pos_sell_ge_block",
  "relaxed_solver_masks"
 ]
}