1this derivation will be built:2 /nix/store/5ak7qbprgvb90yfpm8dd57wbgw3b46c4-claude-code-router-3.0.20.drv3error: build of '/nix/store/5ak7qbprgvb90yfpm8dd57wbgw3b46c4-claude-code-router-3.0.20.drv' on 'ssh-ng://nix-remote-builder@bld3.m.ntd.one' failed: Cannot build '/nix/store/5ak7qbprgvb90yfpm8dd57wbgw3b46c4-claude-code-router-3.0.20.drv'.4 Reason: builder failed with exit code 1.5 Output paths:6 /nix/store/zgd9h1w5480xw0aslvrzhv185aq7wlia-claude-code-router-3.0.207 Last 20 log lines:8 > Running phase: unpackPhase9 > unpacking source archive /nix/store/z7jzi2k5vk4622vxh1q98pb1723d5qvk-source10 > source root is source11 > Running phase: patchPhase12 > Executing npmConfigHook13 > Configuring npm14 > Validating consistency between /build/source/package-lock.json and /nix/store/6i028ch6kqmgfy4azp28zxn23gz2pxk7-claude-code-router-3.0.20-npm-deps/package-lock.json15 > Making cache writable16 > Setting npm_config_cache to /build/cache17 > Installing dependencies18 > /nix/store/0y8b0dqr0mly4a3zr4w3iydz3h7v6c0g-npm-config-hook/nix-support/setup-hook: line 125: npm: command not found19 >20 > ERROR: npm failed to install dependencies21 >22 > Here are a few things you can try, depending on the error:23 > 1. Set `npmDepsFetcherVersion = 2` (and update `npmDepsHash`)24 > 2. Set `makeCacheWritable = true`25 > 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.26 > 3. Set `npmFlags = [ "--legacy-peer-deps" ]`27 >28 For full logs, run:29 nix log /nix/store/5ak7qbprgvb90yfpm8dd57wbgw3b46c4-claude-code-router-3.0.20.drv30error: Cannot build '/nix/store/5ak7qbprgvb90yfpm8dd57wbgw3b46c4-claude-code-router-3.0.20.drv'.31 Reason: builder failed with exit code 1.32 Output paths:33 /nix/store/zgd9h1w5480xw0aslvrzhv185aq7wlia-claude-code-router-3.0.20