improvement: delete action added for unsent treatment details. some edit controls added to details and shipments.

frontend/messages/en.json

@@ -660,6 +660,7 @@
     "detailsTitle": "Treatment details",
     "detailsSubtitle": "Plan teeth, type, notes, and attachments for each detail line.",
     "addDetail": "Add detail",
+    "confirmRemoveDetail": "Remove this treatment detail?",
     "detailLabel": "Detail {n}",
     "detailSentBadge": "sent",
     "detailLockedInShipment": "This detail was sent to a lab and can no longer be edited.",
@@ -1015,6 +1016,7 @@
     "CONFLICT_FUTURE_APPOINTMENTS": "You cannot stop participating in treatments while you have future appointments. Reassign or cancel them first.",
     "APPOINTMENT_PATIENT_LOCKED": "Cannot change the patient while a treatment is linked to this appointment.",
     "APPOINTMENT_HAS_TREATMENT": "This appointment cannot be deleted because a treatment is linked to it.",
+    "TREATMENT_DETAIL_SENT": "This detail was sent to a lab and can no longer be changed.",
     "BAD_REQUEST": "The request could not be processed.",
     "INTERNAL_ERROR": "Something went wrong on our end. Please try again later."
   }