Module validation 

Validation at write time: types, nesting, and field constraints (0.6+).

See docs/07_record_encoding_v2.md and ROADMAP.md.

Functions

allows_absent_root

Whether a missing map key is treated as absent (Optional only).

ensure_pk_type_primitive

Primary key types must be flat primitives (not optional/composite).

validate_multiseg_row

Validate a row against a multi-segment schema (types, constraints, and unknown paths).

validate_top_level_row

Validate top-level insert row: unknown fields, missing fields, types, constraints. row must contain every top-level field (including the primary key).

validate_value

Validate a row value against ty and apply constraints.