$ENV{ANKI2_DECK}
Anki::Database::Field
$anki->each_field
each_note
Models
Note->model_name
Put model name into each note
model not model_name
each_card
Make created its own attr, since epoch seconds, etc
Initialize model->fields and model->templates
Don't use anki's internal optimized names
WithFields role
Lots more card stuff
Factor out a WithTags
Add tags to cards
Tidy
db->first_reviews
db->day_reviews
Reviews are epoch milliseconds too