Naming conventions rulebook

Rules are derived from observed SOT and code conventions. proposed = drafted with evidence, awaiting leadership adoption; adopted = blessed.

ID	Rule	Status
`R-001-field-names-snake-case`	Field names are lower snake_case	proposed
`R-002-enums-upper-snake-versioned`	Enum values are UPPER_SNAKE and every enum is versioned	proposed
`R-003-no-jargon-borrower-facing`	Borrower-facing copy is plain language — never jargon or program names	proposed
`R-004-directives-snake-case-keys`	Directive components are snake_case; registry keys are kebab-case	proposed
`R-005-ids-kebab-case`	Dictionary ids are kebab-case, and id equals filename	proposed
`R-006-avoid-list-required-on-rename`	A rename moves the old name into avoid; nothing is deleted	proposed