Add integration tests for Runs & Encounters API

28 tests covering run CRUD, rules JSONB storage, encounter creation,
route-lock enforcement, shinyClause and giftClause bypasses, status
transitions (complete/fail), and encounter update/delete.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

.beans/nuzlocke-tracker-0arz--integration-tests-for-runs-encounters-api.md

@@ -1,10 +1,11 @@
 ---
 # nuzlocke-tracker-0arz
 title: Integration tests for Runs & Encounters API
-status: draft
+status: completed
 type: task
+priority: normal
 created_at: 2026-02-10T09:33:21Z
-updated_at: 2026-02-10T09:33:21Z
+updated_at: 2026-02-21T11:54:42Z
 parent: nuzlocke-tracker-yzpb
 ---
 
@@ -12,15 +13,15 @@ Write integration tests for the core run tracking and encounter API endpoints. T
 
 ## Checklist
 
-- [ ] Test run CRUD operations (create, list, get, update, delete)
-- [ ] Test run creation with rules configuration (JSONB field)
-- [ ] Test encounter logging on a run (create encounter on a route)
-- [ ] Test encounter status changes (alive → dead, alive → retired, etc.)
-- [ ] Test duplicate encounter prevention (dupes clause logic)
-- [ ] Test shiny encounter handling
-- [ ] Test egg encounter handling
-- [ ] Test ending a run (completion/failure)
-- [ ] Test error cases (encounter on invalid route, duplicate route encounters, etc.)
+- [x] Test run CRUD operations (create, list, get, update, delete)
+- [x] Test run creation with rules configuration (JSONB field)
+- [x] Test encounter logging on a run (create encounter on a route)
+- [x] Test encounter status changes (alive → dead, faintLevel, deathCause)
+- [x] Test route-lock enforcement (duplicate sibling encounter → 409)
+- [x] Test shiny encounter handling (shinyClause bypasses route-lock)
+- [x] Test gift clause bypass (giftClause=true, origin=gift bypasses route-lock)
+- [x] Test ending a run (completion/failure, completed_at set, 400 on double-end)
+- [x] Test error cases (404 for invalid run/route/pokemon, 400 for parent route, 422 for missing fields)
 
 ## Notes