improvement: tasks feature UX fully overhauled.

frontend/messages/en.json

@@ -479,6 +479,8 @@
     "filterClinicAll": "All clinics",
     "filterStatus": "Status",
     "filterStatusAll": "All statuses",
+    "filterStepCompleted": "Step completed",
+    "filterStepCompletedAll": "Any step",
     "showCompleted": "Show completed",
     "importantOnly": "Important only",
     "filterSentFrom": "From",
@@ -492,6 +494,13 @@
     "sortProsthesis": "Prosthesis type",
     "sortTaskType": "Task type",
     "sortDirection": "Sort direction",
+    "groupingOffClinic": "Sorted by clinic — case grouping is off.",
+    "groupingOffPatient": "Sorted by patient — case grouping is off.",
+    "groupingOffProsthesis": "Sorted by prosthesis type — case grouping is off.",
+    "groupingOffTaskType": "Sorted by task type — case grouping is off.",
+    "groupingOffStatus": "Sorted by status — case grouping is off.",
+    "caseReceivedAt": "Received {date}",
+    "caseTaskProgress": "{completed}/{total} tasks on this page",
     "clearFilters": "Clear filters",
     "commentsButton": "Comments",
     "errorLoadList": "Failed to load tasks.",