- consult form medicine Dose/When/Freq changed to dropdowns from dose masters
- added Where dropdown in consult medicine editor and table display
- consult now loads options from Opd_prescription/rx_group_dose_masters
- medicine add/update payload now includes dosage_where
- medicine list now returns dosage_where_label for readable table output
- edit mode supports existing values not present in current master set
- quick chips now map into select options (with safe fallback)