From 33a35705c794e6ea4f1b9ccdcc0ad6b419d3727c Mon Sep 17 00:00:00 2001
From: Paul-Henri Froidmont <git.contact-57n2p@froidmont.org>
Date: Tue, 9 Dec 2025 17:18:28 +0100
Subject: [PATCH] Add opencode module

---
 hosts/nixos-desktop/default.nix |  1 +
 hosts/stellaris/default.nix     |  1 +
 modules/ai/opencode.nix         | 74 +++++++++++++++++++++++++++++++++
 modules/editor/vim/vim.nix      |  3 +-
 4 files changed, 77 insertions(+), 2 deletions(-)
 create mode 100644 modules/ai/opencode.nix

diff --git a/hosts/nixos-desktop/default.nix b/hosts/nixos-desktop/default.nix
index 5f8b4aa..c662096 100644
--- a/hosts/nixos-desktop/default.nix
+++ b/hosts/nixos-desktop/default.nix
@@ -23,6 +23,7 @@
       steam.enable = true;
       lutris.enable = true;
     };
+    ai.opencode.enable = true;
   };
 
   user.name = "froidmpa";
diff --git a/hosts/stellaris/default.nix b/hosts/stellaris/default.nix
index 7fa8375..ffc52ee 100644
--- a/hosts/stellaris/default.nix
+++ b/hosts/stellaris/default.nix
@@ -27,6 +27,7 @@
       steam.enable = true;
       lutris.enable = true;
     };
+    ai.opencode.enable = true;
   };
 
   # Monitor backlight control
diff --git a/modules/ai/opencode.nix b/modules/ai/opencode.nix
new file mode 100644
index 0000000..cd6dcfb
--- /dev/null
+++ b/modules/ai/opencode.nix
@@ -0,0 +1,74 @@
+{
+  inputs,
+  config,
+  lib,
+  pkgs,
+  ...
+}:
+
+let
+  cfg = config.modules.ai.opencode;
+in
+{
+  options.modules.ai.opencode = {
+    enable = lib.my.mkBoolOpt false;
+  };
+  config = lib.mkIf cfg.enable {
+    home-manager.users.${config.user.name} =
+      { ... }:
+      {
+        programs.opencode = {
+          enable = true;
+          package = inputs.llm-agents.packages.${pkgs.system}.opencode;
+          settings = {
+            model = "glm_4_5_air";
+            permission = {
+              bash = "ask";
+              edit = "ask";
+            };
+            provider = {
+              vllm = {
+                npm = "@ai-sdk/openai-compatible";
+                name = "vLLM";
+                options = {
+                  baseURL = "http://model1.lefoyer.lu:8030/v1";
+                  apiKey = "dummy";
+                };
+                models = {
+                  glm_4_5_air = {
+                    name = "GLM 4.5 Air (local)";
+                    temperature = true;
+                    default = true;
+                  };
+                };
+              };
+            };
+            agent = {
+              build = {
+                mode = "primary";
+                temperature = 0.4;
+              };
+              plan = {
+                mode = "primary";
+                temperature = 0.4;
+              };
+            };
+            lsp = {
+              metals = {
+                command = [ "${pkgs.metals}/bin/metals" ];
+                extensions = [
+                  ".scala"
+                  ".sbt"
+                  ".sc"
+                ];
+                initialization = {
+                  statusBarProvider = "log-message";
+                  doctorProvider = "json";
+                };
+              };
+            };
+          };
+        };
+      };
+  };
+}
diff --git a/modules/editor/vim/vim.nix b/modules/editor/vim/vim.nix
index 3896622..8a70a60 100644
--- a/modules/editor/vim/vim.nix
+++ b/modules/editor/vim/vim.nix
@@ -311,8 +311,7 @@ in
           angular-language-server
           vtsls
           zk
-
-          inputs.llm-agents.packages.${pkgs.system}.opencode
+          metals
         ];
       };
   };