{
  "version": "2.0",
  "created_at": "2026-01-12T19:43:09.191196",
  "updated_at": "2026-01-12T19:43:09.192024",
  "user_id": "test_user",
  "tasks": {
    "light": {
      "environments": {},
      "current_env_idx": 0
    },
    "energy": {
      "environments": {},
      "current_env_idx": 0
    },
    "repo": {
      "environments": {},
      "current_env_idx": 0
    },
    "trade": {
      "environments": {
        "0": {
          "user_id": "test_user",
          "env_idx": 0,
          "env_idx_display": 1,
          "day": 5,
          "cash": 27.23973862605635,
          "positions": [
            0.0,
            0.0,
            1471.0,
            0.0,
            0.0
          ],
          "prices": [
            48.73729483052681,
            76.84201478013972,
            34.120657610303375,
            75.4693861457788,
            45.666097086366406
          ],
          "variables_state": [
            -0.1228,
            -0.3027,
            0.3103,
            0.04939999999999998
          ],
          "history": [
            "步骤 1 (第 0 天):\n当天股票价格:\n  S0: 48.80\n  S1: 76.57\n  S2: 33.59\n  S3: 76.36\n  S4: 45.56\n下一天新闻: F0 rose slightly (+0.03) | F1 decreased significantly (-0.10) | F2 increased significantly (+0.08) | F3 increased significantly (+0.09)\n动作: 观察阶段（无交易）\n反馈: 奖励=50000.00, 总价值=50000.00",
            "步骤 2 (第 1 天):\n当天股票价格:\n  S0: 48.77\n  S1: 76.80\n  S2: 33.79\n  S3: 76.00\n  S4: 45.47\n下一天新闻: F0 decreased significantly (-0.20) | F1 decreased significantly (-0.13) | F2 rose slightly (+0.01) | F3 dropped slightly (-0.03)\n动作: 观察阶段（无交易）\n反馈: 奖励=50000.00, 总价值=50000.00",
            "步骤 3 (第 2 天):\n当天股票价格:\n  S0: 48.54\n  S1: 76.49\n  S2: 33.85\n  S3: 75.95\n  S4: 45.80\n下一天新闻: F0 stable (-0.00) | F1 decreased significantly (-0.09) | F2 increased significantly (+0.09) | F3 increased significantly (+0.08)\n动作: 观察阶段（无交易）\n反馈: 奖励=50000.00, 总价值=50000.00",
            "步骤 4 (第 3 天):\n当天股票价格:\n  S0: 48.55\n  S1: 76.67\n  S2: 34.04\n  S3: 75.61\n  S4: 45.72\n下一天新闻: F0 stable (0.01) | F1 increased significantly (+0.11) | F2 rose slightly (+0.05) | F3 decreased significantly (-0.09)\n动作: 观察阶段（无交易）\n反馈: 奖励=50000.00, 总价值=50000.00",
            "步骤 5 (第 4 天):\n当天股票价格:\n  S0: 48.78\n  S1: 76.68\n  S2: 33.97\n  S3: 75.74\n  S4: 45.65\n下一天新闻: F0 rose slightly (+0.04) | F1 decreased significantly (-0.10) | F2 increased significantly (+0.09) | F3 stable (-0.00)\n动作: {\"buy\": {\"S2\": 1471}, \"sell\": {}}\n反馈: 奖励=50218.73, 总价值=50218.73"
          ],
          "num_steps": 5,
          "done": false,
          "success": false,
          "solver_state": {
            "observed_price_changes": [
              [
                -0.037371657669794445,
                0.22714590018547653,
                0.20108388011886547,
                -0.36623768755097785,
                -0.09329986275196944
              ],
              [
                -0.2220493839638209,
                -0.31219825572138404,
                0.05713705490430243,
                -0.05231291257308612,
                0.328673392189053
              ],
              [
                0.005552461566004752,
                0.18529196496308487,
                0.19193122966853338,
                -0.3368662883418807,
                -0.08106410405220998
              ],
              [
                0.2274764008012795,
                0.008202659015822178,
                -0.06816330879777155,
                0.1345898030843813,
                -0.06489928947425483
              ]
            ],
            "observed_factor_changes": [
              [
                0.0305,
                -0.104,
                0.075,
                0.0941
              ],
              [
                -0.1951,
                -0.1302,
                0.0128,
                -0.0316
              ],
              [
                -0.0017,
                -0.0853,
                0.0879,
                0.0778
              ],
              [
                0.0066,
                0.1127,
                0.0468,
                -0.0859
              ]
            ],
            "previous_prices": [
              48.77731352269696,
              76.68038519557997,
              33.97196482758256,
              75.7431107164036,
              45.653711934307694
            ],
            "estimated_matrix": [
              [
                0.03944389546669174,
                1.6995327111833538,
                1.403855288230444,
                0.34949584340336937
              ],
              [
                1.4579594120844315,
                0.12219763115525817,
                1.4156052370112844,
                0.9481009456025713
              ],
              [
                0.0621152547512087,
                -0.5779750056194839,
                1.071665354263987,
                0.6238582645560924
              ],
              [
                -0.4184367950278695,
                1.1204803872522036,
                -1.780465778095169,
                -1.0989423131908704
              ],
              [
                -0.7478907090344025,
                -1.1700645283346482,
                -0.8981643945591481,
                -1.326392959418571
              ]
            ],
            "phase": "trade"
          }
        }
      },
      "current_env_idx": 0
    }
  }
}