1these 2 derivations will be built:2 /nix/store/w8g2nwamwkk3x654rzc1wyqjfhn4df30-letta-code-0.34.10.drv3 /nix/store/vavl5jabawpdghbcvchvqyc5zgwgj62b-check-letta-code.drv4error: Cannot build '/nix/store/w8g2nwamwkk3x654rzc1wyqjfhn4df30-letta-code-0.34.10.drv'.5 Reason: builder failed with exit code 1.6 Output paths:7 /nix/store/qn4nv9sd1r5gkcngchfkr82nrwfw3bwd-letta-code-0.34.108 Last 25 log lines:9 > Running phase: unpackPhase10 > unpacking source archive /nix/store/dpqi70m9db5y635bnbqr8gqa6v45215x-letta-code-src-with-lock11 > source root is letta-code-src-with-lock12 > Running phase: patchPhase13 > Executing npmConfigHook14 > Configuring npm15 > Validating consistency between /build/letta-code-src-with-lock/npm-shrinkwrap.json and /nix/store/gcp2zhjpq63wnj3sbbahmz7ali3jadjd-letta-code-0.34.10-npm-deps/package-lock.json16 > Making cache writable17 > Setting npm_config_cache to /build/cache18 > Installing dependencies19 > npm warn Unknown env config "nodedir". This will stop working in the next major version of npm. See `npm help npmrc` for supported config options.20 > npm warn Unknown env config "platform". This will stop working in the next major version of npm. See `npm help npmrc` for supported config options.21 > npm warn Unknown env config "arch". This will stop working in the next major version of npm. See `npm help npmrc` for supported config options.22 > npm error code ENOTCACHED23 > npm error request to https://registry.npmjs.org/@modelcontextprotocol%2fserver-everything failed: cache mode is 'only-if-cached' but no cached response is available.24 > npm error A complete log of this run can be found in: /build/cache/_logs/2026-10-11T04_34_38_486Z-debug-0.log25 >26 > ERROR: npm failed to install dependencies27 >28 > Here are a few things you can try, depending on the error:29 > 1. Set `npmDepsFetcherVersion = 2` (and update `npmDepsHash`)30 > 2. Set `makeCacheWritable = true`31 > Note that this won't help if npm is complaining about not being able to write to the logs directory -- look above that for the actual error.32 > 3. Set `npmFlags = [ "--legacy-peer-deps" ]`33 >34 For full logs, run:35 nix log /nix/store/w8g2nwamwkk3x654rzc1wyqjfhn4df30-letta-code-0.34.10.drv36error: Cannot build '/nix/store/vavl5jabawpdghbcvchvqyc5zgwgj62b-check-letta-code.drv'.37 Reason: 1 dependency failed.38 Output paths:39 /nix/store/39f0qy0mxfrxhwf19kk6hdvrbddqx031-check-letta-code