these 3 derivations will be built:
  /nix/store/nl476j85wzv027kicsv93lfirfdz9sw1-treefmt.toml.drv
  /nix/store/g5mjfy43gh87ygwdwvlw9565s6ps1rkd-treefmt.drv
  /nix/store/qjc0bvlmr2mqi6h719amlgwc8c3jz6s2-treefmt-check.drv
this path will be fetched (0.0 KiB download, 9.5 MiB unpacked):
  /nix/store/adglp5sp9z99rvk57bp9fn5k3ha7pq42-prettier-3.9.6
error: Cannot build '/nix/store/qjc0bvlmr2mqi6h719amlgwc8c3jz6s2-treefmt-check.drv'.
       Reason: builder failed with exit code 1.
       Output paths:
         /nix/store/ry65s9xcpkxdhcrvck9x18dnpn22wrdy-treefmt-check
       Last 18 log lines:
       > treefmt v2.5.0traversed 542 files
       > emitted 356 files for processing
       > formatted 356 files (1 changed) in 2.005s
       >  M packages/spaces-integration-gateway/gateway-core.ts
       > diff --git a/packages/spaces-integration-gateway/gateway-core.ts b/packages/spaces-integration-gateway/gateway-core.ts
       > index 2fac038..94e9c0d 100644
       > --- a/packages/spaces-integration-gateway/gateway-core.ts
       > +++ b/packages/spaces-integration-gateway/gateway-core.ts
       > @@ -113,8 +113,7 @@ export interface McpStep {
       >  }
       >  
       >  export type McpExchangeResult =
       > -  | { ok: true; reply: Record<string, unknown> }
       > -  | { ok: false; reason: string };
       > +  { ok: true; reply: Record<string, unknown> } | { ok: false; reason: string };
       >  
       >  /**
       >   * One MCP exchange on a fresh unix-socket connection, the "MCP wire". It speaks
       For full logs, run:
         nix log /nix/store/qjc0bvlmr2mqi6h719amlgwc8c3jz6s2-treefmt-check.drv