feat(club-005): club registered users: account linking and automatic recovery

work/artifacts/CLUB-005/qa.json

@@ -0,0 +1,16 @@
+{
+  "feature_id": "CLUB-005",
+  "agent": "qa",
+  "stage": "qa_gate",
+  "verdict": "APPROVED",
+  "qa_check": "qa",
+  "summary": "Build limpio. Tests pasan.",
+  "test_results": {
+    "automated": ["npm run typecheck ✅", "npm run build ✅", "npx vitest run src/modules/club/tests/ ✅"]
+  },
+  "manual_smoke_recommended": [
+    "Registrarse y verificar que PATCH /club/me vincula el miembro",
+    "Verificar que GET /club/me devuelve el miembro correcto tras login"
+  ],
+  "timestamp": "2026-08-26T20:49:40Z"
+}