diff --git a/client/src/components/Journey/journeyMapConnections.test.ts b/client/src/components/Journey/journeyMapConnections.test.ts
index cb1f08d68..a091a8f57 100644
--- a/client/src/components/Journey/journeyMapConnections.test.ts
+++ b/client/src/components/Journey/journeyMapConnections.test.ts
@@ -1,3 +1,4 @@
+// FE-JRN-CONN-001 to FE-JRN-CONN-008
 import type { JourneyTrack } from '@trek/shared';
 import { describe, expect, it } from 'vitest';
 import { coveredConnectionsShown, entryConnections } from './journeyMapConnections';
@@ -16,7 +17,7 @@ function recorded(
 }
 
 describe('entryConnections (#2888)', () => {
-  it('JMCONN-001: without a recording the whole line stays open, one polyline through every stop', () => {
+  it('FE-JRN-CONN-001: without a recording the whole line stays open, one polyline through every stop', () => {
     const result = entryConnections([stop(1, '2026-10-29'), stop(2, '2026-10-29'), stop(3, '2026-10-30')], []);
     expect(result.open).toEqual([
       [
@@ -28,7 +29,7 @@ describe('entryConnections (#2888)', () => {
     expect(result.covered).toEqual([]);
   });
 
-  it('JMCONN-002: a recorded day covers the stretches between its entries, the jump into a day without one stays open', () => {
+  it('FE-JRN-CONN-002: a recorded day covers the stretches between its entries, the jump into a day without one stays open', () => {
     const result = entryConnections(
       [stop(1, '2026-10-29'), stop(2, '2026-10-29'), stop(3, '2026-10-30'), stop(4, '2026-10-30')],
       [recorded('2026-10-29', 'dawarich_live')]
@@ -48,13 +49,13 @@ describe('entryConnections (#2888)', () => {
     ]);
   });
 
-  it('JMCONN-003: the night between two recorded days is covered, a day in between without one is not', () => {
+  it('FE-JRN-CONN-003: the night between two recorded days is covered, a day in between without one is not', () => {
     const tracks = [recorded('2026-10-29'), recorded('2026-10-30'), recorded('2026-11-01')];
     expect(entryConnections([stop(1, '2026-10-29'), stop(2, '2026-10-30')], tracks).open).toEqual([]);
     expect(entryConnections([stop(1, '2026-10-30'), stop(2, '2026-11-01')], tracks).covered).toEqual([]);
   });
 
-  it('JMCONN-004: a trip GPX, a line without a day and a recording without points cover nothing', () => {
+  it('FE-JRN-CONN-004: a trip GPX, a line without a day and a recording without points cover nothing', () => {
     const stops = [stop(1, '2026-10-29'), stop(2, '2026-10-29')];
     const gpx: JourneyTrack = { ...recorded('2026-10-29'), kind: 'trip_gpx' };
     const undated: JourneyTrack = { ...recorded('2026-10-29'), date: undefined };
@@ -62,7 +63,7 @@ describe('entryConnections (#2888)', () => {
     expect(entryConnections(stops, [gpx, undated, empty]).covered).toEqual([]);
   });
 
-  it('JMCONN-005: open and covered stretches alternate in the order of the stops', () => {
+  it('FE-JRN-CONN-005: open and covered stretches alternate in the order of the stops', () => {
     const result = entryConnections(
       [
         stop(1, '2026-10-28'),
@@ -95,20 +96,20 @@ describe('entryConnections (#2888)', () => {
     ]);
   });
 
-  it('JMCONN-006: a timestamp is read by its day, and an unreadable date never counts as recorded', () => {
+  it('FE-JRN-CONN-006: a timestamp is read by its day, and an unreadable date never counts as recorded', () => {
     expect(
       entryConnections([stop(1, '2026-10-29T08:00:00Z'), stop(2, '2026-10-29')], [recorded('2026-10-29')]).open
     ).toEqual([]);
     expect(entryConnections([stop(1, 'someday'), stop(2, '2026-10-29')], [recorded('2026-10-29')]).covered).toEqual([]);
   });
 
-  it('JMCONN-007: fewer than two stops make no line', () => {
+  it('FE-JRN-CONN-007: fewer than two stops make no line', () => {
     expect(entryConnections([stop(1, '2026-10-29')], [])).toEqual({ open: [], covered: [] });
   });
 });
 
 describe('coveredConnectionsShown', () => {
-  it('JMCONN-008: stands in only while the entries show and the recording is hidden', () => {
+  it('FE-JRN-CONN-008: stands in only while the entries show and the recording is hidden', () => {
     expect(coveredConnectionsShown({ plan: true, recorded: true, entries: true })).toBe(false);
     expect(coveredConnectionsShown({ plan: true, recorded: false, entries: true })).toBe(true);
     expect(coveredConnectionsShown({ plan: true, recorded: false, entries: false })).toBe(false);
diff --git a/client/src/components/Journey/journeyMapConnections.ts b/client/src/components/Journey/journeyMapConnections.ts
index dd15667b3..9568b80d2 100644
--- a/client/src/components/Journey/journeyMapConnections.ts
+++ b/client/src/components/Journey/journeyMapConnections.ts
@@ -5,7 +5,7 @@ import { isPlannedTrack, type JourneyMapLayerVisibility } from './journeyMapLaye
 type LatLng = [number, number];
 
 /** An entry pin as the connection sees it: where it stands and on which day. */
-export interface ConnectionStop {
+interface ConnectionStop {
   lat: number;
   lng: number;
   /** `YYYY-MM-DD`; a longer ISO string is read by its date. */
@@ -22,7 +22,7 @@ export interface ConnectionStop {
  * one across it only gets in its way (#2888). It is still handed back, so a
  * reader who hides what was recorded gets the guess back for those stretches.
  */
-export interface EntryConnections {
+interface EntryConnections {
   open: LatLng[][];
   covered: LatLng[][];
 }
diff --git a/client/src/components/Journey/journeyMapStops.ts b/client/src/components/Journey/journeyMapStops.ts
index fa7946a54..3dddb2bee 100644
--- a/client/src/components/Journey/journeyMapStops.ts
+++ b/client/src/components/Journey/journeyMapStops.ts
@@ -19,7 +19,7 @@ export interface JourneyStopEntry {
   location_lng?: number | null;
 }
 
-export interface JourneyMapStop<E> {
+interface JourneyMapStop<E> {
   entry: E;
   /** The stop's place in the whole journey, or null for a draft the share link does not show. */
   stop: number | null;