Describe the relationship purpose and semantics of this foreign key.
Format: summary sentence first, \n\n, then paragraphs grouped by topic.
Use {@\link ModelName} for cross-references.
MUST be written in English.
MUST use snake_case. Convention: "{target_model}_id".
True if the relationship is optional.
Prisma relation configuration.
True for 1:1 relationships, false for 1:N.
Foreign key field establishing a relationship to another model.