Disable Cachix

Author: jcf

devenv.nix

@@ -18,6 +18,7 @@
     else "${date}-${rev}";
 
   jdk = pkgs.temurin-bin-25;
+
   # Build uberjar with JDK 21 to avoid Clojure AOT + JDK 25 bytecode verification bug
   # (ClassFormatError: Invalid index in LocalVariableTable). Runtime is still JDK 25.
   jdk-build = pkgs.temurin-bin-21;
@@ -85,6 +86,8 @@ in {
     ./nix/modules/claude-code.nix
   ];
 
+  cachix.enable = false;
+
   outputs.bits-container = bits-container;
   outputs.bits-container-amd64 = mkContainer "x86_64-linux";
   outputs.bits-container-arm64 = mkContainer "aarch64-linux";