{
  "version": "6",
  "dialect": "sqlite",
  "id": "00509e45-a6d9-417d-b3c0-a7e936e7001f",
  "prevId": "00000000-0000-0000-0000-000000000000",
  "tables": {
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      "name": "attempts",
      "columns": {
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          "name": "id",
          "type": "integer",
          "primaryKey": true,
          "notNull": true,
          "autoincrement": true
        },
        "session_id": {
          "name": "session_id",
          "type": "integer",
          "primaryKey": false,
          "notNull": true,
          "autoincrement": false
        },
        "card_id": {
          "name": "card_id",
          "type": "integer",
          "primaryKey": false,
          "notNull": true,
          "autoincrement": false
        },
        "direction": {
          "name": "direction",
          "type": "text",
          "primaryKey": false,
          "notNull": true,
          "autoincrement": false
        },
        "shown_at": {
          "name": "shown_at",
          "type": "integer",
          "primaryKey": false,
          "notNull": true,
          "autoincrement": false,
          "default": "(unixepoch())"
        },
        "result": {
          "name": "result",
          "type": "text",
          "primaryKey": false,
          "notNull": true,
          "autoincrement": false
        },
        "time_to_answer_ms": {
          "name": "time_to_answer_ms",
          "type": "integer",
          "primaryKey": false,
          "notNull": false,
          "autoincrement": false
        }
      },
      "indexes": {
        "attempts_session_idx": {
          "name": "attempts_session_idx",
          "columns": [
            "session_id"
          ],
          "isUnique": false
        },
        "attempts_card_idx": {
          "name": "attempts_card_idx",
          "columns": [
            "card_id"
          ],
          "isUnique": false
        }
      },
      "foreignKeys": {
        "attempts_session_id_sessions_id_fk": {
          "name": "attempts_session_id_sessions_id_fk",
          "tableFrom": "attempts",
          "tableTo": "sessions",
          "columnsFrom": [
            "session_id"
          ],
          "columnsTo": [
            "id"
          ],
          "onDelete": "cascade",
          "onUpdate": "no action"
        },
        "attempts_card_id_cards_id_fk": {
          "name": "attempts_card_id_cards_id_fk",
          "tableFrom": "attempts",
          "tableTo": "cards",
          "columnsFrom": [
            "card_id"
          ],
          "columnsTo": [
            "id"
          ],
          "onDelete": "cascade",
          "onUpdate": "no action"
        }
      },
      "compositePrimaryKeys": {},
      "uniqueConstraints": {}
    },
    "card_progress": {
      "name": "card_progress",
      "columns": {
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          "name": "card_id",
          "type": "integer",
          "primaryKey": false,
          "notNull": true,
          "autoincrement": false
        },
        "direction": {
          "name": "direction",
          "type": "text",
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          "notNull": true,
          "autoincrement": false
        },
        "box": {
          "name": "box",
          "type": "integer",
          "primaryKey": false,
          "notNull": true,
          "autoincrement": false,
          "default": 1
        },
        "correct_count": {
          "name": "correct_count",
          "type": "integer",
          "primaryKey": false,
          "notNull": true,
          "autoincrement": false,
          "default": 0
        },
        "incorrect_count": {
          "name": "incorrect_count",
          "type": "integer",
          "primaryKey": false,
          "notNull": true,
          "autoincrement": false,
          "default": 0
        },
        "last_shown_at": {
          "name": "last_shown_at",
          "type": "integer",
          "primaryKey": false,
          "notNull": false,
          "autoincrement": false
        },
        "next_due_at": {
          "name": "next_due_at",
          "type": "integer",
          "primaryKey": false,
          "notNull": true,
          "autoincrement": false,
          "default": 0
        }
      },
      "indexes": {
        "card_progress_pk": {
          "name": "card_progress_pk",
          "columns": [
            "card_id",
            "direction"
          ],
          "isUnique": false
        },
        "card_progress_due_idx": {
          "name": "card_progress_due_idx",
          "columns": [
            "next_due_at"
          ],
          "isUnique": false
        }
      },
      "foreignKeys": {
        "card_progress_card_id_cards_id_fk": {
          "name": "card_progress_card_id_cards_id_fk",
          "tableFrom": "card_progress",
          "tableTo": "cards",
          "columnsFrom": [
            "card_id"
          ],
          "columnsTo": [
            "id"
          ],
          "onDelete": "cascade",
          "onUpdate": "no action"
        }
      },
      "compositePrimaryKeys": {},
      "uniqueConstraints": {}
    },
    "cards": {
      "name": "cards",
      "columns": {
        "id": {
          "name": "id",
          "type": "integer",
          "primaryKey": true,
          "notNull": true,
          "autoincrement": true
        },
        "lesson_id": {
          "name": "lesson_id",
          "type": "integer",
          "primaryKey": false,
          "notNull": true,
          "autoincrement": false
        },
        "question": {
          "name": "question",
          "type": "text",
          "primaryKey": false,
          "notNull": true,
          "autoincrement": false
        },
        "answer": {
          "name": "answer",
          "type": "text",
          "primaryKey": false,
          "notNull": true,
          "autoincrement": false
        },
        "hint": {
          "name": "hint",
          "type": "text",
          "primaryKey": false,
          "notNull": false,
          "autoincrement": false
        },
        "position": {
          "name": "position",
          "type": "integer",
          "primaryKey": false,
          "notNull": true,
          "autoincrement": false,
          "default": 0
        },
        "created_at": {
          "name": "created_at",
          "type": "integer",
          "primaryKey": false,
          "notNull": true,
          "autoincrement": false,
          "default": "(unixepoch())"
        },
        "updated_at": {
          "name": "updated_at",
          "type": "integer",
          "primaryKey": false,
          "notNull": true,
          "autoincrement": false,
          "default": "(unixepoch())"
        }
      },
      "indexes": {
        "cards_lesson_idx": {
          "name": "cards_lesson_idx",
          "columns": [
            "lesson_id"
          ],
          "isUnique": false
        }
      },
      "foreignKeys": {
        "cards_lesson_id_lessons_id_fk": {
          "name": "cards_lesson_id_lessons_id_fk",
          "tableFrom": "cards",
          "tableTo": "lessons",
          "columnsFrom": [
            "lesson_id"
          ],
          "columnsTo": [
            "id"
          ],
          "onDelete": "cascade",
          "onUpdate": "no action"
        }
      },
      "compositePrimaryKeys": {},
      "uniqueConstraints": {}
    },
    "lessons": {
      "name": "lessons",
      "columns": {
        "id": {
          "name": "id",
          "type": "integer",
          "primaryKey": true,
          "notNull": true,
          "autoincrement": true
        },
        "parent_id": {
          "name": "parent_id",
          "type": "integer",
          "primaryKey": false,
          "notNull": false,
          "autoincrement": false
        },
        "name": {
          "name": "name",
          "type": "text",
          "primaryKey": false,
          "notNull": true,
          "autoincrement": false
        },
        "description": {
          "name": "description",
          "type": "text",
          "primaryKey": false,
          "notNull": false,
          "autoincrement": false
        },
        "position": {
          "name": "position",
          "type": "integer",
          "primaryKey": false,
          "notNull": true,
          "autoincrement": false,
          "default": 0
        },
        "bidirectional": {
          "name": "bidirectional",
          "type": "integer",
          "primaryKey": false,
          "notNull": true,
          "autoincrement": false,
          "default": false
        },
        "created_at": {
          "name": "created_at",
          "type": "integer",
          "primaryKey": false,
          "notNull": true,
          "autoincrement": false,
          "default": "(unixepoch())"
        },
        "updated_at": {
          "name": "updated_at",
          "type": "integer",
          "primaryKey": false,
          "notNull": true,
          "autoincrement": false,
          "default": "(unixepoch())"
        }
      },
      "indexes": {},
      "foreignKeys": {},
      "compositePrimaryKeys": {},
      "uniqueConstraints": {}
    },
    "sessions": {
      "name": "sessions",
      "columns": {
        "id": {
          "name": "id",
          "type": "integer",
          "primaryKey": true,
          "notNull": true,
          "autoincrement": true
        },
        "lesson_id": {
          "name": "lesson_id",
          "type": "integer",
          "primaryKey": false,
          "notNull": true,
          "autoincrement": false
        },
        "started_at": {
          "name": "started_at",
          "type": "integer",
          "primaryKey": false,
          "notNull": true,
          "autoincrement": false,
          "default": "(unixepoch())"
        },
        "ended_at": {
          "name": "ended_at",
          "type": "integer",
          "primaryKey": false,
          "notNull": false,
          "autoincrement": false
        },
        "duration_seconds": {
          "name": "duration_seconds",
          "type": "integer",
          "primaryKey": false,
          "notNull": false,
          "autoincrement": false
        },
        "cards_shown": {
          "name": "cards_shown",
          "type": "integer",
          "primaryKey": false,
          "notNull": true,
          "autoincrement": false,
          "default": 0
        },
        "cards_correct": {
          "name": "cards_correct",
          "type": "integer",
          "primaryKey": false,
          "notNull": true,
          "autoincrement": false,
          "default": 0
        },
        "cards_incorrect": {
          "name": "cards_incorrect",
          "type": "integer",
          "primaryKey": false,
          "notNull": true,
          "autoincrement": false,
          "default": 0
        },
        "status": {
          "name": "status",
          "type": "text",
          "primaryKey": false,
          "notNull": true,
          "autoincrement": false,
          "default": "'active'"
        },
        "queue_snapshot": {
          "name": "queue_snapshot",
          "type": "text",
          "primaryKey": false,
          "notNull": false,
          "autoincrement": false
        }
      },
      "indexes": {
        "sessions_status_idx": {
          "name": "sessions_status_idx",
          "columns": [
            "status"
          ],
          "isUnique": false
        }
      },
      "foreignKeys": {
        "sessions_lesson_id_lessons_id_fk": {
          "name": "sessions_lesson_id_lessons_id_fk",
          "tableFrom": "sessions",
          "tableTo": "lessons",
          "columnsFrom": [
            "lesson_id"
          ],
          "columnsTo": [
            "id"
          ],
          "onDelete": "cascade",
          "onUpdate": "no action"
        }
      },
      "compositePrimaryKeys": {},
      "uniqueConstraints": {}
    }
  },
  "enums": {},
  "_meta": {
    "schemas": {},
    "tables": {},
    "columns": {}
  },
  "internal": {
    "indexes": {}
  }
}