实现账号绑定、持久登录与跨设备对局恢复

.gitignore

@@ -28,6 +28,13 @@ __pycache__/
 # (the server answers /packs/index.json itself; tools/package.mjs writes this file into the release zips) -----------
 packs/index.json
 
+# --- 森空岛 account binding (docs/skland.md): the local credential database — a secret, never committed ------------
+# SP_SKLAND_DB default (server/skland/store.js) plus the SQLite WAL side files; skland-data/ is the Docker volume path
+data/skland.db
+data/skland.db-wal
+data/skland.db-shm
+skland-data/
+
 # --- tests & logs ----------------------------------------------------------------------------------
 test/e2e/out/
 logs/