feat(cli): lectio --corpus-check validator

1 files changed, 16 insertions, 0 deletions

diff --git a/internal/bible/booktable.go b/internal/bible/booktable.go
index ffa3907..360f526 100644
--- a/internal/bible/booktable.go
+++ b/internal/bible/booktable.go
@@ -92,6 +92,22 @@ func mustReadEmbedded() []byte {
 // /settings editor shows when the user has no override yet).
 func DefaultBooksINI() []byte { return mustReadEmbedded() }
 
+// CanonicalBooks returns the 73 canonical English book keys -- the exact
+// vocabulary a corpus .tsv's Book column must use -- read from the embedded
+// books.ini [en] section. It reuses the existing embedded parse (parseBooks
+// + mustReadEmbedded); the book list is never re-embedded or hardcoded here.
+func CanonicalBooks() map[string]bool {
+	out := map[string]bool{}
+	def, err := parseBooks(mustReadEmbedded())
+	if err != nil {
+		return out // our bug, not the caller's; an empty set flags everything
+	}
+	for canon := range def["en"] {
+		out[canon] = true
+	}
+	return out
+}
+
 func parseBooks(data []byte) (map[string]map[string][]string, error) {
 	secs, err := ini.Parse(data)
 	if err != nil {