call analysis query

[
  {
    $match: {
      createdAt: {
        $gte: ISODate("2024-08-05")
      }
    }
  },
  {
    $addFields: {
      tid: {
        $toObjectId: "$taskId"
      },
      cid: {
        $toObjectId: "$gptContentId"
      },
      uid: {
        $toObjectId: "$userId"
      }
    }
  },
  {
    $lookup: {
      from: "outreach_prospect_activities",
      localField: "tid",
      foreignField: "_id",
      as: "task"
    }
  },
  {
    $lookup: {
      from: "gpt3_content",
      localField: "cid",
      foreignField: "_id",
      as: "content"
    }
  },
  {
    $lookup: {
      from: "users",
      localField: "uid",
      foreignField: "_id",
      as: "user"
    }
  },
  {
    $addFields: {
      task: {
        $first: "$task"
      },
      content: {
        $first: "$content"
      },
      user: {
        $first: "$user"
      }
    }
  },
  {
    $addFields: {
      disposition: "$task.callDisposition",
      calledAt: "$task.calledAt",
      transcript: "$content.fields.transcript",
      aiText: "$content.openAIText",
      sequencer: "$user.email",
      answeredAt: "$task.answeredAt",
      bridgedAt: "$task.bridgedAt"
    }
  },
  {
    $addFields: {
      bridgeTime: {
        $dateDiff: {
          startDate: "$answeredAt",
          endDate: "$bridgedAt",
          unit: "millisecond"
        }
      }
    }
  },
  {
    $group: {
      _id: "$_id",
      isBridged: {
        $first: "$isBridged"
      },
      answeredAt: {
        $first: "$answeredAt"
      },
      bridgedAt: {
        $first: "$bridgedAt"
      },
      bridgeTime: {
        $first: "$bridgeTime"
      },
      isConnected: {
        $first: "$isConnected"
      },
      isFalsePositive: {
        $first: "$isFalsePositive"
      },
      isConversation: {
        $first: "$isConversation"
      },
      taskId: {
        $first: "$taskId"
      },
      callSid: {
        $first: "$callSid"
      },
      sequencer: {
        $first: "$sequencer"
      },
      disposition: {
        $first: "$disposition"
      },
      transcript: {
        $accumulator: {
          accumulateArgs: ["$transcript"],
          init: function () {
            return [];
          },
          accumulate: function (names, name) {
            return names.concat(name);
          },
          merge: function (names1, names2) {
            return names1.concat(names2);
          },
          finalize: function (names) {
            return names.join("\n");
          },
          lang: "js"
        }
      },
      aiText: {
        $first: "$aiText"
      }
    }
  }
  // {
  //   $match: {
  //     "task.callDisposition": "Call Failed"
  //   }
  // }
]