diff --git a/client/src/pages/tripPlanner/tourMapFocus.ts b/client/src/pages/tripPlanner/tourMapFocus.ts
new file mode 100644
index 000000000..536f5381a
--- /dev/null
+++ b/client/src/pages/tripPlanner/tourMapFocus.ts
@@ -0,0 +1,41 @@
+import type { useMapLocationSearch } from './useMapLocationSearch'
+import type { useTourWorkspace } from './useTourWorkspace'
+
+// The planner page hook's pure helpers: what the Tours map draws and frames.
+// They live apart so the page hook's one object-literal return stays its view model.
+
+type Workspace = ReturnType<typeof useTourWorkspace>
+type TourPlanner = Workspace['tourPlanner']
+
+/** PAD-05B: the paddle line in view, a recorded paddle track's or the paddle tour's being planned; none for any other. */
+export function paddleLineOf(tourPlanner: TourPlanner) {
+  if (tourPlanner.mode.type === 'view-gpx') {
+    return tourPlanner.mode.tour.tour_type === 'kayak' ? tourPlanner.readOnlyGpxAnalysis?.routeCoordinates ?? null : null
+  }
+  return tourPlanner.isPaddle ? tourPlanner.route : null
+}
+
+/**
+ * RTE-02, RTE-03: the ways offered over the route being edited (a section's
+ * ways being compared, else the round hikes), the one in focus, and the frame
+ * round hikes ask the map for while they are looked for and shown.
+ */
+export function offeredWaysOf(tourPlanner: TourPlanner, offering: boolean) {
+  const { comparison, focus: variantFocus } = tourPlanner.legVariants
+  const { view: rounds, focus: roundFocus, frame: roundFrame } = tourPlanner.roundHikes
+  return {
+    ways: offering ? comparison?.variants ?? rounds?.candidates ?? null : null,
+    focus: comparison ? variantFocus : roundFocus,
+    frame: offering ? roundFrame : null,
+  }
+}
+
+/** What frames the map: a picked wanderer trail itself, else round hikes being framed, else the planner. */
+export function mapFocusKeyOf(
+  wandererBrowser: Workspace['wandererBrowser'],
+  frame: ReturnType<typeof offeredWaysOf>['frame'],
+  plannerKey: ReturnType<typeof useMapLocationSearch>['mapFocusKey'],
+) {
+  if (wandererBrowser.open && wandererBrowser.selected) return `wanderer:${wandererBrowser.selected.id}`
+  return frame?.key ?? plannerKey
+}
diff --git a/client/src/pages/tripPlanner/useTripPlannerPage.ts b/client/src/pages/tripPlanner/useTripPlannerPage.ts
index 7001219d9..5e9312e93 100644
--- a/client/src/pages/tripPlanner/useTripPlannerPage.ts
+++ b/client/src/pages/tripPlanner/useTripPlannerPage.ts
@@ -14,42 +14,7 @@ import { useMapLocationSearch } from './useMapLocationSearch'
 import { usePlannerFocusPoints } from './usePlannerFocusPoints'
 import { useTripPlanner } from './useTripPlanner'
 import { useTourWorkspace } from './useTourWorkspace'
-
-type Workspace = ReturnType<typeof useTourWorkspace>
-type TourPlanner = Workspace['tourPlanner']
-
-/** PAD-05B: the paddle line in view, a recorded paddle track's or the paddle tour's being planned; none for any other. */
-function paddleLineOf(tourPlanner: TourPlanner) {
-  if (tourPlanner.mode.type === 'view-gpx') {
-    return tourPlanner.mode.tour.tour_type === 'kayak' ? tourPlanner.readOnlyGpxAnalysis?.routeCoordinates ?? null : null
-  }
-  return tourPlanner.isPaddle ? tourPlanner.route : null
-}
-
-/**
- * RTE-02, RTE-03: the ways offered over the route being edited (a section's
- * ways being compared, else the round hikes), the one in focus, and the frame
- * round hikes ask the map for while they are looked for and shown.
- */
-function offeredWaysOf(tourPlanner: TourPlanner, offering: boolean) {
-  const { comparison, focus: variantFocus } = tourPlanner.legVariants
-  const { view: rounds, focus: roundFocus, frame: roundFrame } = tourPlanner.roundHikes
-  return {
-    ways: offering ? comparison?.variants ?? rounds?.candidates ?? null : null,
-    focus: comparison ? variantFocus : roundFocus,
-    frame: offering ? roundFrame : null,
-  }
-}
-
-/** What frames the map: a picked wanderer trail itself, else round hikes being framed, else the planner. */
-function mapFocusKeyOf(
-  wandererBrowser: Workspace['wandererBrowser'],
-  frame: ReturnType<typeof offeredWaysOf>['frame'],
-  plannerKey: ReturnType<typeof useMapLocationSearch>['mapFocusKey'],
-) {
-  if (wandererBrowser.open && wandererBrowser.selected) return `wanderer:${wandererBrowser.selected.id}`
-  return frame?.key ?? plannerKey
-}
+import { mapFocusKeyOf, offeredWaysOf, paddleLineOf } from './tourMapFocus'
 
 export function useTripPlannerPage() {
   const planner = useTripPlanner()