fix(neovim): use canonical Codex adapter name

home/emmatherock/neovim.nix

@@ -143,7 +143,7 @@
     #
     # Neither adapter has a true zero-config mode that silently piggybacks on
     # an already-logged-in CLI session:
-    #   - codex_acp: extends the built-in `codex` preset. `defaults.auth_method`
+    #   - codex: extends the built-in `codex` preset. `defaults.auth_method`
     #     accepts "api-key" | "chat-gpt" (confirmed against the docs above,
     #     not "chatgpt"/"openai-api-key"/"codex-api-key"). "chat-gpt" reuses
     #     your ChatGPT/Codex CLI login instead of an OPENAI_API_KEY.
@@ -156,7 +156,7 @@
     plugins.codecompanion = {
       enable = true;
       settings = {
-        interactions.chat.adapter = "claude_code"; # switch to "codex_acp" per-chat
+        interactions.chat.adapter = "claude_code"; # switch to "codex" per-chat
         interactions.inline.adapter = "claude_code";
         adapters.acp = {
           opts.show_presets = false;
@@ -169,7 +169,7 @@
               })
             end
           '';
-          codex_acp.__raw = ''
+          codex.__raw = ''
             function()
               return require("codecompanion.adapters").extend("codex", {
                 defaults = {