fix(validation): satisfy quality gate checks

- add root test script that runs mobile jest
- adjust hook usage to satisfy rules-of-hooks
- document validation commands for operators

.ralph/runs/run-20260126-140911-55357-iter-2.md

@@ -0,0 +1,32 @@
+# Ralph Run Summary
+
+- Run ID: 20260126-140911-55357
+- Iteration: 2
+- Mode: build
+- Story: US-004: Refactor oversized hooks/services/utils
+- Started: 2026-01-26 14:22:32
+- Ended: 2026-01-26 14:28:08
+- Duration: 336s
+- Status: success
+- Log: /Users/jjbrunton/Projects/Sauci/.ralph/runs/run-20260126-140911-55357-iter-2.log
+
+## Git
+- Head (before): 70449659cf1ded7041b71ecf07aa2e7bc76f8346
+- Head (after): 1370576dd59180f3b13e0a8d99255dfa96210d60
+
+### Commits
+- 1370576 chore(ralph): log commit action
+- 6957502 chore(ralph): update progress logs
+- 5a9defb refactor(swipe): split useSwipeScreen helpers
+
+### Changed Files (commits)
+- .agents/tasks/prd-mobile-refactor.json
+- .ralph/activity.log
+- .ralph/progress.md
+- .ralph/runs/run-20260126-140911-55357-iter-1.md
+- apps/mobile/src/features/swipe/hooks/useSwipeScreen.ts
+- apps/mobile/src/features/swipe/utils/useSwipeScreen-helpers.ts
+
+### Uncommitted Changes
+- .ralph/activity.log
+