chore: add qrtool & herdr

home/base/gui/dev-tools.nix

@@ -5,6 +5,7 @@
     [
       mitmproxy # http/https proxy tool
       wireshark # network analyzer
+      qrtool # decode/encode qr code
     ]
     # AI Agent Tools
     ++ (with llm-agents.packages.${pkgs.stdenv.hostPlatform.system}; [
@@ -17,5 +18,6 @@
 
       # Utilities
       rtk # CLI proxy that reduces LLM token consumption
+      herdr # Terminal workspace manager for AI coding agents
     ]);
 }