Merge branch 'fix/1945-take-in-consumer' into fix/1945-kept-compositions-follow-config

internal/inventory/catalogue.go

@@ -210,6 +210,21 @@ func (i *Inventory) hasModule(ctx context.Context, name string) (bool, error) {
 // This is the whole of noticing. Nothing here builds anything — it writes down that the two
 // halves differ, which is what makes *is this current?* answerable without building, and what
 // makes a module that nobody rebuilt visible rather than silent.
+// RecordBuiltFrom records that a registered module stands at commit, its manifest and fingerprint unchanged: a catalogue
+// merge that left its sources alone (novox/hq ADR 0544 §3). The head moves with it, as a registration moves it; the
+// module's builds and manifest stay as they are.
+func (i *Inventory) RecordBuiltFrom(ctx context.Context, module, commit string) error {
+	tag, err := i.store.Pool().Exec(ctx,
+		`update module set built_from = $2, source_head = $2 where name = $1`, module, commit)
+	if err != nil {
+		return fmt.Errorf("cannot record %s at %s: %w", module, commit, err)
+	}
+	if tag.RowsAffected() == 0 {
+		return fmt.Errorf("%w: %s", ErrNoSuchModule, module)
+	}
+	return nil
+}
+
 func (i *Inventory) SourceMoved(ctx context.Context, module, head string) error {
 	tag, err := i.store.Pool().Exec(ctx,
 		`update module set source_head = $2, source_seen = now() where name = $1`, module, head)