refactor(swipe): split useSwipeScreen helpers

.agents/tasks/prd-mobile-refactor.json

@@ -95,7 +95,7 @@
     {
       "id": "US-003",
       "title": "Refactor oversized shared components",
-      "status": "in_progress",
+      "status": "done",
       "dependsOn": [
         "US-001"
       ],
@@ -107,13 +107,13 @@
         "No change to public component API unless required for split"
       ],
       "startedAt": "2026-01-26T14:09:11.801117+00:00",
-      "completedAt": null,
-      "updatedAt": "2026-01-26T14:09:11.801233+00:00"
+      "completedAt": "2026-01-26T14:22:30.296005+00:00",
+      "updatedAt": "2026-01-26T14:22:30.295815+00:00"
     },
     {
       "id": "US-004",
       "title": "Refactor oversized hooks/services/utils",
-      "status": "open",
+      "status": "in_progress",
       "dependsOn": [
         "US-001"
       ],
@@ -123,7 +123,10 @@
         "Example: a 500-line hook becomes a main hook + `utils/<hook>-helpers.ts`",
         "Negative case: do not split logic in a way that increases public API surface without justification",
         "All previous exports remain available or are re-exported from the original entry point"
-      ]
+      ],
+      "startedAt": "2026-01-26T14:22:32.363863+00:00",
+      "completedAt": null,
+      "updatedAt": "2026-01-26T14:22:32.363979+00:00"
     },
     {
       "id": "US-005",