feat(ai): use agentsDir for agents

common/home-manager/ai-agents/claude.nix

@@ -24,6 +24,17 @@ in {
       description = "Custom agents passed through to programs.claude-code.agents.";
     };
 
+    agentsDir = lib.mkOption {
+      type = lib.types.nullOr lib.types.str;
+      default = null;
+      description = ''
+        Absolute path to a directory of agent .md files. Symlinked directly into
+        the claude agents directory so edits are picked up without re-applying
+        home-manager. Mutually exclusive with agents.
+      '';
+      example = "/home/user/git/nixos-system/common/home-manager/ai-agents/agents";
+    };
+
     commands = lib.mkOption {
       type = lib.types.attrs;
       default = {};
@@ -131,5 +142,10 @@ in {
       hooks = cfg.hooks;
       memory = cfg.memory;
     };
+
+    home.file = lib.mkIf (cfg.agentsDir != null) {
+      "${config.programs.claude-code.configDir}/agents".source =
+        config.lib.file.mkOutOfStoreSymlink cfg.agentsDir;
+    };
   };
 }

common/home-manager/ai-agents/default.nix

@@ -7,6 +7,7 @@
   cfg = config.ai-agents;
 in {
   imports = [
+    ./claude.nix
     ./mcp.nix
     ./lsp.nix
     ./skills.nix

systems/zw/home/adriano.nix

@@ -111,6 +111,7 @@ in {
 
   ai-agents = {
     enable = true;
+    claude-code.agentsDir = "${config.home.homeDirectory}/git/nixos-system/common/home-manager/ai-agents/agents";
     mcp = {
       atlassian.enable = false;
       context7 = {