openvibers/openvibe.games Commits

Readiness reports the players online (WS-P task 2): a non-required sessions check with detail.online, which OpenVibe.Host's protected probe reads before a restart disconnects them

OP OpenVibers committed 26 Sept 2026 · e11dd65c90 · 8 files, +31 −2





Changes
ddiff --git a/apps/server/dist-types/game/gameServer.d.ts b/apps/server/dist-types/game/gameServer.d.ts
iindex d59f9a1..041e58f 100644
---- a/apps/server/dist-types/game/gameServer.d.ts
++++ b/apps/server/dist-types/game/gameServer.d.ts
@@@ -61,6 +61,8 @@ export declare class GameServer {
      private readonly aggro;
      /** Sound events (gunshots, fights) accumulated for NPC hearing. */
      private sounds;
++    /** Players connected now (the readiness `sessions` check; a restart would disconnect them). */
++    onlineCount(): number;
      constructor(config: ServerConfig, world: GameWorld, store: PersistenceStore, metrics: ServerMetrics, log: Logger, integrations?: GameIntegrations);
      get currentTick(): number;
      /**
ddiff --git a/apps/server/dist-types/game/gameServer.d.ts.map b/apps/server/dist-types/game/gameServer.d.ts.map
iindex 626bb07..2a768ac 100644
---- a/apps/server/dist-types/game/gameServer.d.ts.map
++++ b/apps/server/dist-types/game/gameServer.d.ts.map
@@@ -1 +1 @@
--{"version":3,"file":"gameServer.d.ts","sourceRoot":"","sources":["../../src/game/gameServer.ts"],"names":[],"mappings":"AAAA,OAAO,EAyBL,aAAa,EAkBd,MAAM,oBAAoB,CAAA;AAE3B,OAAO,KAAK,EAAE,gBAAgB,EAAa,MAAM,uBAAuB,CAAA;AAExE,OAAO,EAIL,KAAK,aAAa,EAGnB,MAAM,oBAAoB,CAAA;AAC3B,OAAO,EAUL,KAAK,MAAM,EAEZ,MAAM,kBAAkB,CAAA;AACzB,OAAO,KAAK,EAAE,YAAY,EAAE,MAAM,cAAc,CAAA;AAGhD,OAAO,KAAK,EAAe,iBAAiB,EAAoB,MAAM,2BAA2B,CAAA;AACjG,OAAO,KAAK,EAAE,qBAAqB,EAAE,MAAM,gCAAgC,CAAA;AAC3E,OAAO,KAAK,EAAW,UAAU,EAAE,MAAM,oBAAoB,CAAA;AAE7D,OAAO,KAAK,EAAE,aAAa,EAAE,MAAM,6BAA6B,CAAA;AAChE,OAAO,KAAK,EAAE,SAAS,EAAE,MAAM,gBAAgB,CAAA;AAa/C,OAAO,EAML,KAAK,aAAa,EACnB,MAAM,oBAAoB,CAAA;AAE3B,OAAO,EAAE,UAAU,EAAE,MAAM,iBAAiB,CAAA;AAC5C,OAAO,EAAE,YAAY,EAAE,MAAM,mBAAmB,CAAA;AAEhD,qEAAqE;AACrE,MAAM,WAAW,cAAc;IAC7B,yEAAyE;IACzE,EAAE,EAAE,MAAM,CAAA;IACV,IAAI,CAAC,IAAI,EAAE,MAAM,GAAG,IAAI,CAAA;IACxB,KAAK,CAAC,IAAI,EAAE,MAAM,EAAE,MAAM,EAAE,MAAM,GAAG,IAAI,CAAA;CAC1C;AAKD;;;GAGG;AACH,MAAM,WAAW,gBAAgB;IAC/B,+DAA+D;IAC/D,MAAM,CAAC,EAAE,iBAAiB,CAAA;IAC1B,6DAA6D;IAC7D,IAAI,CAAC,EAAE,UAAU,CAAA;IACjB,mGAAmG;IACnG,eAAe,CAAC,EAAE,qBAAqB,CAAA;CACxC;AAcD,qBAAa,UAAU;IA2BnB,OAAO,CAAC,QAAQ,CAAC,MAAM;IACvB,OAAO,CAAC,QAAQ,CAAC,KAAK;IACtB,OAAO,CAAC,QAAQ,CAAC,KAAK;IACtB,OAAO,CAAC,QAAQ,CAAC,OAAO;IACxB,OAAO,CAAC,QAAQ,CAAC,GAAG;IACpB,OAAO,CAAC,QAAQ,CAAC,YAAY;IA/B/B,OAAO,CAAC,QAAQ,CAAC,QAAQ,CAAqC;IAC9D,OAAO,CAAC,QAAQ,CAAC,cAAc,CAA2C;IAC1E,OAAO,CAAC,QAAQ,CAAC,gBAAgB,CAAqC;IACtE,OAAO,CAAC,QAAQ,CAAC,YAAY,CAA8B;IAC3D,OAAO,CAAC,QAAQ,CAAC,aAAa,CAAoB;IAClD,2EAA2E;IAC3E,OAAO,CAAC,QAAQ,CAAC,mBAAmB,CAA0D;IAC9F,OAAO,CAAC,IAAI,CAAI;IAChB,OAAO,CAAC,QAAQ,CAAC,WAAW,CAAkB;IAC9C,+EAA+E;IAC/E,OAAO,CAAC,SAAS,CAAoB;IACrC,OAAO,CAAC,aAAa,CAAI;IACzB,oEAAoE;IACpE,OAAO,CAAC,QAAQ,CAAC,GAAG,CAAkB;IACtC,6EAA6E;IAC7E,QAAQ,CAAC,OAAO,gBAAwB;IACxC,uDAAuD;IACvD,QAAQ,CAAC,IAAI,EAAE,UAAU,CAAA;IACzB,uDAAuD;IACvD,QAAQ,CAAC,MAAM,EAAE,YAAY,CAAA;IAC7B,sEAAsE;IACtE,OAAO,CAAC,QAAQ,CAAC,KAAK,CAA4B;IAClD,mEAAmE;IACnE,OAAO,CAAC,MAAM,CAAiC;gBAG5B,MAAM,EAAE,YAAY,EACpB,KAAK,EAAE,SAAS,EAChB,KAAK,EAAE,gBAAgB,EACvB,OAAO,EAAE,aAAa,EACtB,GAAG,EAAE,MAAM,EACX,YAAY,GAAE,gBAAqB;IA8FtD,IAAI,WAAW,IAAI,MAAM,CAExB;IAED;;;;OAIG;IACH,OAAO,CAAC,aAAa;IAiBrB,SAAS,CAAC,IAAI,EAAE,cAAc,EAAE,GAAG,EAAE,aAAa,GAAG,IAAI;IA6dzD,yEAAyE;IACzE,OAAO,CAAC,QAAQ,CAAC,WAAW,CAAgE;IAE5F,6DAA6D;IAC7D,OAAO,CAAC,OAAO;IAgCf,OAAO,CAAC,cAAc;IAMtB;;;;OAIG;IACH,OAAO,CAAC,YAAY;IAqEpB,iDAAiD;IACjD,OAAO,CAAC,SAAS;IA+DjB,OAAO,CAAC,QAAQ;IAgChB,OAAO,CAAC,cAAc;IAYtB,uEAAuE;IACvE,OAAO,CAAC,qBAAqB;IAe7B,OAAO,CAAC,aAAa;IAUrB,OAAO,CAAC,QAAQ;IAIhB;;;;;OAKG;IACH,OAAO,CAAC,cAAc;IA6JtB,YAAY,CAAC,IAAI,EAAE,cAAc,GAAG,IAAI;YAkC1B,WAAW;IAoMzB,OAAO,CAAC,aAAa;IAoFrB,OAAO,CAAC,WAAW;IAmBnB,OAAO,CAAC,WAAW;IAUnB,2EAA2E;IAC3E,OAAO,CAAC,WAAW;IAmBnB,OAAO,CAAC,WAAW;IAyBnB,2EAA2E;IAC3E,OAAO,CAAC,WAAW;IAiDnB;;;;;OAKG;IACH,OAAO,CAAC,UAAU;IA6FlB;;;;OAIG;IACH,OAAO,CAAC,YAAY;IAyCpB;;;;OAIG;IACH,OAAO,CAAC,gBAAgB;IAmCxB,mEAAmE;IACnE,OAAO,CAAC,eAAe;IAyBvB,qEAAqE;IACrE,OAAO,CAAC,cAAc;IAmEtB;+DAC2D;IAC3D,OAAO,CAAC,eAAe;IAmBvB,wEAAwE;IACxE,OAAO,CAAC,WAAW;IAiCnB;;;OAGG;IACH,OAAO,CAAC,aAAa;IAyBrB,yEAAyE;IACzE,OAAO,CAAC,gBAAgB;IAgDxB,OAAO,CAAC,QAAQ;IAehB;;;;OAIG;IACH,OAAO,CAAC,YAAY;IA8FpB,mEAAmE;IACnE,OAAO,CAAC,OAAO;IAyCf,OAAO,CAAC,SAAS;IAajB,IAAI,IAAI,IAAI;IA6KZ,OAAO,CAAC,mBAAmB;IA+E3B,OAAO,CAAC,SAAS;IAyCjB;;;OAGG;IACH,KAAK,CAAC,MAAM,GAAE,YAAY,GAAG,UAAyB,GAAG,IAAI;IAiC7D,6BAA6B;IAC7B,QAAQ,IAAI,IAAI;IAMhB,6FAA6F;IAC7F,OAAO,CAAC,UAAU;IAclB;;;OAGG;IACH,OAAO,CAAC,QAAQ,CAAC,OAAO,CAqBvB;IAED,OAAO,CAAC,WAAW;IAyBnB,OAAO,CAAC,IAAI;IAIZ,OAAO,CAAC,OAAO;IAMf,OAAO,CAAC,aAAa;IA2BrB,OAAO,CAAC,UAAU;IAQlB,OAAO,CAAC,cAAc;IAOtB,OAAO,CAAC,YAAY;IAKpB,OAAO,CAAC,cAAc;IAkBtB,0EAA0E;IAC1E,OAAO,CAAC,wBAAwB;IAUhC,OAAO,CAAC,gBAAgB;IAQxB,OAAO,CAAC,kBAAkB;IAO1B,sEAAsE;IACtE;;;;OAIG;IACH,aAAa,CAAC,SAAS,EAAE,MAAM,EAAE,YAAY,EAAE,MAAM,GAAG,MAAM;IAiB9D,kBAAkB,IAAI,IAAI;IAK1B,yFAAyF;IACzF,gBAAgB,CAAC,OAAO,EAAE,aAAa,GAAG,WAAW,CAAC,MAAM,CAAC;CAG9D"}
\\ No newline at end of file
++{"version":3,"file":"gameServer.d.ts","sourceRoot":"","sources":["../../src/game/gameServer.ts"],"names":[],"mappings":"AAAA,OAAO,EAyBL,aAAa,EAkBd,MAAM,oBAAoB,CAAA;AAE3B,OAAO,KAAK,EAAE,gBAAgB,EAAa,MAAM,uBAAuB,CAAA;AAExE,OAAO,EAIL,KAAK,aAAa,EAGnB,MAAM,oBAAoB,CAAA;AAC3B,OAAO,EAUL,KAAK,MAAM,EAEZ,MAAM,kBAAkB,CAAA;AACzB,OAAO,KAAK,EAAE,YAAY,EAAE,MAAM,cAAc,CAAA;AAGhD,OAAO,KAAK,EAAe,iBAAiB,EAAoB,MAAM,2BAA2B,CAAA;AACjG,OAAO,KAAK,EAAE,qBAAqB,EAAE,MAAM,gCAAgC,CAAA;AAC3E,OAAO,KAAK,EAAW,UAAU,EAAE,MAAM,oBAAoB,CAAA;AAE7D,OAAO,KAAK,EAAE,aAAa,EAAE,MAAM,6BAA6B,CAAA;AAChE,OAAO,KAAK,EAAE,SAAS,EAAE,MAAM,gBAAgB,CAAA;AAa/C,OAAO,EAML,KAAK,aAAa,EACnB,MAAM,oBAAoB,CAAA;AAE3B,OAAO,EAAE,UAAU,EAAE,MAAM,iBAAiB,CAAA;AAC5C,OAAO,EAAE,YAAY,EAAE,MAAM,mBAAmB,CAAA;AAEhD,qEAAqE;AACrE,MAAM,WAAW,cAAc;IAC7B,yEAAyE;IACzE,EAAE,EAAE,MAAM,CAAA;IACV,IAAI,CAAC,IAAI,EAAE,MAAM,GAAG,IAAI,CAAA;IACxB,KAAK,CAAC,IAAI,EAAE,MAAM,EAAE,MAAM,EAAE,MAAM,GAAG,IAAI,CAAA;CAC1C;AAKD;;;GAGG;AACH,MAAM,WAAW,gBAAgB;IAC/B,+DAA+D;IAC/D,MAAM,CAAC,EAAE,iBAAiB,CAAA;IAC1B,6DAA6D;IAC7D,IAAI,CAAC,EAAE,UAAU,CAAA;IACjB,mGAAmG;IACnG,eAAe,CAAC,EAAE,qBAAqB,CAAA;CACxC;AAcD,qBAAa,UAAU;IAgCnB,OAAO,CAAC,QAAQ,CAAC,MAAM;IACvB,OAAO,CAAC,QAAQ,CAAC,KAAK;IACtB,OAAO,CAAC,QAAQ,CAAC,KAAK;IACtB,OAAO,CAAC,QAAQ,CAAC,OAAO;IACxB,OAAO,CAAC,QAAQ,CAAC,GAAG;IACpB,OAAO,CAAC,QAAQ,CAAC,YAAY;IApC/B,OAAO,CAAC,QAAQ,CAAC,QAAQ,CAAqC;IAC9D,OAAO,CAAC,QAAQ,CAAC,cAAc,CAA2C;IAC1E,OAAO,CAAC,QAAQ,CAAC,gBAAgB,CAAqC;IACtE,OAAO,CAAC,QAAQ,CAAC,YAAY,CAA8B;IAC3D,OAAO,CAAC,QAAQ,CAAC,aAAa,CAAoB;IAClD,2EAA2E;IAC3E,OAAO,CAAC,QAAQ,CAAC,mBAAmB,CAA0D;IAC9F,OAAO,CAAC,IAAI,CAAI;IAChB,OAAO,CAAC,QAAQ,CAAC,WAAW,CAAkB;IAC9C,+EAA+E;IAC/E,OAAO,CAAC,SAAS,CAAoB;IACrC,OAAO,CAAC,aAAa,CAAI;IACzB,oEAAoE;IACpE,OAAO,CAAC,QAAQ,CAAC,GAAG,CAAkB;IACtC,6EAA6E;IAC7E,QAAQ,CAAC,OAAO,gBAAwB;IACxC,uDAAuD;IACvD,QAAQ,CAAC,IAAI,EAAE,UAAU,CAAA;IACzB,uDAAuD;IACvD,QAAQ,CAAC,MAAM,EAAE,YAAY,CAAA;IAC7B,sEAAsE;IACtE,OAAO,CAAC,QAAQ,CAAC,KAAK,CAA4B;IAClD,mEAAmE;IACnE,OAAO,CAAC,MAAM,CAAiC;IAE/C,+FAA+F;IAC/F,WAAW,IAAI,MAAM;gBAKF,MAAM,EAAE,YAAY,EACpB,KAAK,EAAE,SAAS,EAChB,KAAK,EAAE,gBAAgB,EACvB,OAAO,EAAE,aAAa,EACtB,GAAG,EAAE,MAAM,EACX,YAAY,GAAE,gBAAqB;IA8FtD,IAAI,WAAW,IAAI,MAAM,CAExB;IAED;;;;OAIG;IACH,OAAO,CAAC,aAAa;IAiBrB,SAAS,CAAC,IAAI,EAAE,cAAc,EAAE,GAAG,EAAE,aAAa,GAAG,IAAI;IA6dzD,yEAAyE;IACzE,OAAO,CAAC,QAAQ,CAAC,WAAW,CAAgE;IAE5F,6DAA6D;IAC7D,OAAO,CAAC,OAAO;IAgCf,OAAO,CAAC,cAAc;IAMtB;;;;OAIG;IACH,OAAO,CAAC,YAAY;IAqEpB,iDAAiD;IACjD,OAAO,CAAC,SAAS;IA+DjB,OAAO,CAAC,QAAQ;IAgChB,OAAO,CAAC,cAAc;IAYtB,uEAAuE;IACvE,OAAO,CAAC,qBAAqB;IAe7B,OAAO,CAAC,aAAa;IAUrB,OAAO,CAAC,QAAQ;IAIhB;;;;;OAKG;IACH,OAAO,CAAC,cAAc;IA6JtB,YAAY,CAAC,IAAI,EAAE,cAAc,GAAG,IAAI;YAkC1B,WAAW;IAoMzB,OAAO,CAAC,aAAa;IAoFrB,OAAO,CAAC,WAAW;IAmBnB,OAAO,CAAC,WAAW;IAUnB,2EAA2E;IAC3E,OAAO,CAAC,WAAW;IAmBnB,OAAO,CAAC,WAAW;IAyBnB,2EAA2E;IAC3E,OAAO,CAAC,WAAW;IAiDnB;;;;;OAKG;IACH,OAAO,CAAC,UAAU;IA6FlB;;;;OAIG;IACH,OAAO,CAAC,YAAY;IAyCpB;;;;OAIG;IACH,OAAO,CAAC,gBAAgB;IAmCxB,mEAAmE;IACnE,OAAO,CAAC,eAAe;IAyBvB,qEAAqE;IACrE,OAAO,CAAC,cAAc;IAmEtB;+DAC2D;IAC3D,OAAO,CAAC,eAAe;IAmBvB,wEAAwE;IACxE,OAAO,CAAC,WAAW;IAiCnB;;;OAGG;IACH,OAAO,CAAC,aAAa;IAyBrB,yEAAyE;IACzE,OAAO,CAAC,gBAAgB;IAgDxB,OAAO,CAAC,QAAQ;IAehB;;;;OAIG;IACH,OAAO,CAAC,YAAY;IA8FpB,mEAAmE;IACnE,OAAO,CAAC,OAAO;IAyCf,OAAO,CAAC,SAAS;IAajB,IAAI,IAAI,IAAI;IA6KZ,OAAO,CAAC,mBAAmB;IA+E3B,OAAO,CAAC,SAAS;IAyCjB;;;OAGG;IACH,KAAK,CAAC,MAAM,GAAE,YAAY,GAAG,UAAyB,GAAG,IAAI;IAiC7D,6BAA6B;IAC7B,QAAQ,IAAI,IAAI;IAMhB,6FAA6F;IAC7F,OAAO,CAAC,UAAU;IAclB;;;OAGG;IACH,OAAO,CAAC,QAAQ,CAAC,OAAO,CAqBvB;IAED,OAAO,CAAC,WAAW;IAyBnB,OAAO,CAAC,IAAI;IAIZ,OAAO,CAAC,OAAO;IAMf,OAAO,CAAC,aAAa;IA2BrB,OAAO,CAAC,UAAU;IAQlB,OAAO,CAAC,cAAc;IAOtB,OAAO,CAAC,YAAY;IAKpB,OAAO,CAAC,cAAc;IAkBtB,0EAA0E;IAC1E,OAAO,CAAC,wBAAwB;IAUhC,OAAO,CAAC,gBAAgB;IAQxB,OAAO,CAAC,kBAAkB;IAO1B,sEAAsE;IACtE;;;;OAIG;IACH,aAAa,CAAC,SAAS,EAAE,MAAM,EAAE,YAAY,EAAE,MAAM,GAAG,MAAM;IAiB9D,kBAAkB,IAAI,IAAI;IAK1B,yFAAyF;IACzF,gBAAgB,CAAC,OAAO,EAAE,aAAa,GAAG,WAAW,CAAC,MAAM,CAAC;CAG9D"}
\\ No newline at end of file
ddiff --git a/apps/server/dist-types/observability/readiness.d.ts b/apps/server/dist-types/observability/readiness.d.ts
iindex 36c3668..fc48c52 100644
---- a/apps/server/dist-types/observability/readiness.d.ts
++++ b/apps/server/dist-types/observability/readiness.d.ts
@@@ -43,6 +43,8 @@ export interface ReadinessDeps {
          readonly tick: number;
          readonly lastTickAt: number;
      };
++    /** Players connected now (a non-required `sessions` check; OpenVibe.Host's protected probe reads it). */
++    online?: () => number;
      tickStallMs?: number;
      now?: () => number;
  }
ddiff --git a/apps/server/dist-types/observability/readiness.d.ts.map b/apps/server/dist-types/observability/readiness.d.ts.map
iindex c7715b2..7c21e54 100644
---- a/apps/server/dist-types/observability/readiness.d.ts.map
++++ b/apps/server/dist-types/observability/readiness.d.ts.map
@@@ -1 +1 @@
--{"version":3,"file":"readiness.d.ts","sourceRoot":"","sources":["../../src/observability/readiness.ts"],"names":[],"mappings":"AAAA,OAAO,KAAK,EAAE,eAAe,EAAE,cAAc,EAAE,MAAM,WAAW,CAAA;AAEhE;;;;;;;;;;GAUG;AAEH;;;;;;GAMG;AACH,eAAO,MAAM,aAAa,OAAQ,CAAA;AAElC,MAAM,WAAW,cAAc;IAC7B,MAAM,EAAE,IAAI,GAAG,MAAM,CAAA;IACrB,QAAQ,EAAE,OAAO,CAAA;IACjB,UAAU,EAAE,MAAM,CAAA;IAClB,UAAU,EAAE,MAAM,CAAA;IAClB,KAAK,CAAC,EAAE,MAAM,CAAA;IACd,MAAM,CAAC,EAAE,MAAM,CAAC,MAAM,EAAE,OAAO,CAAC,CAAA;CACjC;AAED,MAAM,WAAW,aAAa;IAC5B,KAAK,EAAE,OAAO,CAAA;IACd,MAAM,EAAE,OAAO,GAAG,UAAU,GAAG,WAAW,CAAA;IAC1C,OAAO,EAAE,OAAO,CAAA;IAChB,UAAU,EAAE,MAAM,CAAA;IAClB,MAAM,EAAE,MAAM,EAAE,CAAA;IAChB,QAAQ,EAAE,MAAM,EAAE,CAAA;IAClB,MAAM,EAAE,MAAM,CAAC,MAAM,EAAE,cAAc,CAAC,CAAA;CACvC;AAED,MAAM,WAAW,aAAa;IAC5B,oFAAoF;IACpF,MAAM,EAAE,MAAM,OAAO,CAAA;IACrB,+EAA+E;IAC/E,OAAO,EAAE;QAAE,QAAQ,CAAC,IAAI,EAAE,MAAM,CAAC;QAAC,QAAQ,CAAC,UAAU,EAAE,MAAM,CAAA;KAAE,CAAA;IAC/D,WAAW,CAAC,EAAE,MAAM,CAAA;IACpB,GAAG,CAAC,EAAE,MAAM,MAAM,CAAA;CACnB;AA4BD,wBAAgB,eAAe,CAAC,IAAI,EAAE,aAAa,GAAG;IACpD,KAAK,EAAE,MAAM,aAAa,CAAA;IAC1B,MAAM,EAAE,CAAC,GAAG,EAAE,eAAe,EAAE,GAAG,EAAE,cAAc,KAAK,OAAO,CAAA;CAC/D,CA4DA"}
\\ No newline at end of file
++{"version":3,"file":"readiness.d.ts","sourceRoot":"","sources":["../../src/observability/readiness.ts"],"names":[],"mappings":"AAAA,OAAO,KAAK,EAAE,eAAe,EAAE,cAAc,EAAE,MAAM,WAAW,CAAA;AAEhE;;;;;;;;;;GAUG;AAEH;;;;;;GAMG;AACH,eAAO,MAAM,aAAa,OAAQ,CAAA;AAElC,MAAM,WAAW,cAAc;IAC7B,MAAM,EAAE,IAAI,GAAG,MAAM,CAAA;IACrB,QAAQ,EAAE,OAAO,CAAA;IACjB,UAAU,EAAE,MAAM,CAAA;IAClB,UAAU,EAAE,MAAM,CAAA;IAClB,KAAK,CAAC,EAAE,MAAM,CAAA;IACd,MAAM,CAAC,EAAE,MAAM,CAAC,MAAM,EAAE,OAAO,CAAC,CAAA;CACjC;AAED,MAAM,WAAW,aAAa;IAC5B,KAAK,EAAE,OAAO,CAAA;IACd,MAAM,EAAE,OAAO,GAAG,UAAU,GAAG,WAAW,CAAA;IAC1C,OAAO,EAAE,OAAO,CAAA;IAChB,UAAU,EAAE,MAAM,CAAA;IAClB,MAAM,EAAE,MAAM,EAAE,CAAA;IAChB,QAAQ,EAAE,MAAM,EAAE,CAAA;IAClB,MAAM,EAAE,MAAM,CAAC,MAAM,EAAE,cAAc,CAAC,CAAA;CACvC;AAED,MAAM,WAAW,aAAa;IAC5B,oFAAoF;IACpF,MAAM,EAAE,MAAM,OAAO,CAAA;IACrB,+EAA+E;IAC/E,OAAO,EAAE;QAAE,QAAQ,CAAC,IAAI,EAAE,MAAM,CAAC;QAAC,QAAQ,CAAC,UAAU,EAAE,MAAM,CAAA;KAAE,CAAA;IAC/D,yGAAyG;IACzG,MAAM,CAAC,EAAE,MAAM,MAAM,CAAA;IACrB,WAAW,CAAC,EAAE,MAAM,CAAA;IACpB,GAAG,CAAC,EAAE,MAAM,MAAM,CAAA;CACnB;AA4BD,wBAAgB,eAAe,CAAC,IAAI,EAAE,aAAa,GAAG;IACpD,KAAK,EAAE,MAAM,aAAa,CAAA;IAC1B,MAAM,EAAE,CAAC,GAAG,EAAE,eAAe,EAAE,GAAG,EAAE,cAAc,KAAK,OAAO,CAAA;CAC/D,CAgEA"}
\\ No newline at end of file
ddiff --git a/apps/server/src/game/gameServer.ts b/apps/server/src/game/gameServer.ts
iindex 736286a..9c8fb48 100644
---- a/apps/server/src/game/gameServer.ts
++++ b/apps/server/src/game/gameServer.ts
@@@ -161,6 +161,11 @@ export class GameServer {
    /** Sound events (gunshots, fights) accumulated for NPC hearing. */
    private sounds: { x: number; z: number }[] = []
  
++  /** Players connected now (the readiness `sessions` check; a restart would disconnect them). */
++  onlineCount(): number {
++    return this.sessions.size
++  }
++
    constructor(
      private readonly config: ServerConfig,
      private readonly world: GameWorld,
ddiff --git a/apps/server/src/main.ts b/apps/server/src/main.ts
iindex 33ff63b..5ec1c9c 100644
---- a/apps/server/src/main.ts
++++ b/apps/server/src/main.ts
@@@ -208,6 +208,7 @@ async function main(): Promise<void> {
    const readiness = createReadiness({
      pingDb: () => schemaVersion.get('schema_version') !== undefined,
      metrics,
++    online: () => game.onlineCount(),
    })
  
    const http = createHttpServer(
ddiff --git a/apps/server/src/observability/readiness.test.ts b/apps/server/src/observability/readiness.test.ts
iindex b154113..1ebb870 100644
---- a/apps/server/src/observability/readiness.test.ts
++++ b/apps/server/src/observability/readiness.test.ts
@@@ -54,6 +54,19 @@ describe('/api/ready', () => {
      })
    })
  
++  it('reports the players online as a non-required sessions check (for the host protected probe)', () => {
++    const stmt = store.db.prepare('SELECT value FROM meta WHERE key = ?')
++    let online = 3
++    const r = createReadiness({ pingDb: () => stmt.get('schema_version') !== undefined, metrics: { tick: 5, lastTickAt: T0 - 10 }, now: () => T0, online: () => online })
++    let body = r.check()
++    expect(body.checks.sessions).toMatchObject({ status: 'ok', required: false, detail: { online: 3 } })
++    expect(body.status).toBe('ready')
++    online = 0
++    body = r.check()
++    expect(body.checks.sessions?.detail).toEqual({ online: 0 })
++    expect(setup({ tick: 5, lastTickAt: T0 - 10 }).check().checks.sessions).toBeUndefined()
++  })
++
    it('is not ready before the first tick', () => {
      const body = setup({ tick: 0, lastTickAt: 0 }).check()
      expect(body.status).toBe('not_ready')
ddiff --git a/apps/server/src/observability/readiness.ts b/apps/server/src/observability/readiness.ts
iindex f7a04f6..d5b01ca 100644
---- a/apps/server/src/observability/readiness.ts
++++ b/apps/server/src/observability/readiness.ts
@@@ -45,6 +45,8 @@ export interface ReadinessDeps {
    pingDb: () => boolean
    /** The tick counter and when the last tick completed (epoch ms, 0 = never). */
    metrics: { readonly tick: number; readonly lastTickAt: number }
++  /** Players connected now (a non-required `sessions` check; OpenVibe.Host's protected probe reads it). */
++  online?: () => number
    tickStallMs?: number
    now?: () => number
  }
@@@ -106,6 +108,10 @@ export function createReadiness(deps: ReadinessDeps): {
          now,
        ),
      }
++    if (deps.online) {
++      const online = deps.online
++      checks.sessions = run(() => ({ ok: true, detail: { online: online() } }), false, now)
++    }
      const names = Object.keys(checks)
      const failed = names.filter((n) => checks[n]?.required && checks[n]?.status !== 'ok')
      const degraded = names.filter((n) => !checks[n]?.required && checks[n]?.status !== 'ok')