Module codes 

The canonical validation issue codes — one constant per row of the SPEC.md § Validation table. Call sites reference these instead of bare strings so the code and the SPEC table can never silently drift.

Constants

DB_MD_BAD_TYPE

the store’s DB.md is not type: db-md.

DB_MD_MISSING_FIELD

the store’s DB.md frontmatter lacks scope or owner.

DB_MD_UNKNOWN_SECTION

DB.md has an ## section other than the three recognized ones.

DUP_COMPANY_DOMAIN

two companys share domain.

DUP_CONTACT_EMAIL

two contacts share email.

DUP_EMAIL_REINGEST

two emails share (from, subject, date) (re-ingest).

DUP_EXPENSE_TUPLE

two expenses share (date, amount, vendor).

DUP_ID

two files declare the same explicit id.

DUP_INVOICE_TUPLE

two invoices share (vendor, date, amount).

DUP_MEETING_TUPLE

two meetings share (date, sorted-attendees-set).

FM_BAD_TIMESTAMP

created / updated / a date field isn’t ISO-8601.

FM_MALFORMED_YAML

frontmatter block isn’t valid YAML.

FM_MISSING_TYPE

content file has no type:.

INDEX_JSONL_DESYNC

a file isn’t in the index.jsonl, or a jsonl record points at a missing file.

INDEX_JSONL_MISSING

a type-folder’s index.jsonl twin is missing.

INDEX_JSONL_STALE

a index.jsonl record’s fields don’t match the file’s frontmatter.

INDEX_MISSING

a non-empty canonical folder lacks index.md.

INDEX_MISSING_ENTRY

a file isn’t listed in its folder’s index.md.

INDEX_ORPHAN

an index.md sits in an empty / non-canonical folder.

INDEX_STALE_ENTRY

an index.md lists a file that no longer exists.

INDEX_SUMMARY_MISMATCH

an index entry’s text doesn’t match the target file’s summary.

INDEX_WRONG_SCOPE

an index’s scope: doesn’t match its filesystem location.

LAYER_TYPE_MISMATCH

a recognized type: sits in a layer other than its canonical one.

LOG_BAD_TIMESTAMP

a log.md entry header timestamp is unparseable.

LOG_OUT_OF_ORDER

log.md entries aren’t in non-decreasing time order (possible rewrite).

LOG_UNKNOWN_KIND

a log.md entry kind isn’t recognized.

NOT_A_STORE

path has no DB.md; not a db.md store.

POLICY_FROZEN_PAGE

a write was attempted on a ### Frozen pages path (write-time).

POLICY_IGNORED_TYPE_DERIVED

a wiki-page derives from an ignored-type record.

POLICY_IGNORED_TYPE_PRESENT

a file with an ### Ignored types type exists.

SCHEMA_ENUM_VIOLATION

a value isn’t in the schema’s enum.

SCHEMA_LINK_PREFIX_MISMATCH

a link to <prefix>/ field has a plain or wrong-prefix value.

SCHEMA_MISSING_REQUIRED

a DB.md schema requires a field that’s absent.

SCHEMA_SHAPE_MISMATCH

a value doesn’t match the schema’s shape modifier.

SUMMARY_EMPTY

summary present but empty.

SUMMARY_MISSING

content file has no summary.

SUMMARY_MULTILINE

summary contains newlines.

SUMMARY_TOO_LONG

summary > 200 chars.

TAGS_MALFORMED

tags isn’t a flat YAML list of short scalar labels.

WIKI_LINK_AMBIGUOUS

wiki-link target matches multiple files (defensive).

WIKI_LINK_BROKEN

wiki-link target file doesn’t exist.

WIKI_LINK_FLOW_FORM_LIST

frontmatter list uses inline [[[a]], [[b]]] — use block form.

WIKI_LINK_HAS_EXTENSION

wiki-link target carries a .md extension — drop it.

WIKI_LINK_SHORT_FORM

wiki-link target isn’t a full store-relative path.