claude-code: add forgejo-mcp as default MCP server

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

home/programs/claude-code/default.nix

@@ -1,5 +1,13 @@
-{ pkgs, ... }:
+{ pkgs, config, ... }:
+let
+  forgejo-mcp-wrapper = pkgs.writeShellScript "forgejo-mcp-wrapper" ''
+    export FORGEJO_ACCESS_TOKEN="$(cat ${config.sops.secrets.forgejo_access_token.path})"
+    exec forgejo-mcp --transport stdio --url https://code.t-juice.club
+  '';
+in
 {
+  sops.secrets."forgejo_access_token" = { };
+
   programs.claude-code = {
     enable = true;
     package = pkgs.claude-code-bin;
@@ -13,6 +21,13 @@
       pr = ./skills/pr;
     };
 
+    mcpServers = {
+      forgejo = {
+        type = "stdio";
+        command = "${forgejo-mcp-wrapper}";
+      };
+    };
+
     settings = {
       model = "opus";
       enabledPlugins = {