fix(codex): show generated commands

Install generated command prompts through programs.codex.skills and avoid explicit-only skill metadata, since Codex omits those skills from the visible skill list.

Author: khaneliman

modules/common/ai-tools/commands.nix

@@ -121,24 +121,12 @@ let
     ${lib.trim command.prompt}
   '';
 
-  renderCodexSkillMetadata = _command: ''
-    policy:
-      allow_implicit_invocation: false
-  '';
-
-  renderCodexSkillFiles = command: {
-    "SKILL.md" = renderCodexSkill command;
-    "agents/openai.yaml" = renderCodexSkillMetadata command;
-  };
-
   toClaudeMarkdown = lib.mapAttrs (_name: renderClaudeMarkdown) commands;
 
   toCopilotSkills = lib.mapAttrs (_name: renderCopilotSkill) commands;
 
   toCodexSkills = lib.mapAttrs (_name: renderCodexSkill) commands;
 
-  toCodexSkillFiles = lib.mapAttrs (_name: renderCodexSkillFiles) commands;
-
   toOpenCodeMarkdown = lib.mapAttrs (_name: renderOpenCodeMarkdown) commands;
 
   toAntigravityCommands = lib.mapAttrs (_name: command: {
@@ -152,14 +140,11 @@ in
     renderClaudeMarkdown
     renderCopilotSkill
     renderCodexSkill
-    renderCodexSkillFiles
-    renderCodexSkillMetadata
     renderOpenCodeMarkdown
     toAntigravityCommands
     toClaudeMarkdown
     toCopilotSkills
     toCodexSkills
-    toCodexSkillFiles
     toOpenCodeMarkdown
     ;
 

modules/common/ai-tools/default.nix

@@ -166,8 +166,9 @@ in
   codex = {
     disabledSystemSkills = disabledSystemSkillsForHarness "codex";
     agents = aiAgents.toCodexAgents;
-    commandSkillFiles = aiCommands.toCodexSkillFiles;
+    commandSkills = aiCommands.toCodexSkills;
     contextOverride = codexContextOverride;
+    skillAttrs = skillsAttrsForHarness "codex";
     skills = skillsForHarness "codex";
   };
 

modules/home/programs/terminal/tools/codex/default.nix

@@ -35,15 +35,6 @@ let
       source = tomlFormat.generate "codex-agent-${name}" agentSettings;
     }
   ) aiTools.codex.agents;
-  codexCommandFiles = lib.concatMapAttrs (
-    name: commandFiles:
-    lib.mapAttrs' (
-      relativePath: fileText:
-      lib.nameValuePair "${codexConfigDir}/skills/${name}/${relativePath}" {
-        text = fileText;
-      }
-    ) commandFiles
-  ) aiTools.codex.commandSkillFiles;
   codexProfiles = {
     # Deep analysis and live-research mode. Intentionally expensive:
     # benchmark preference is GPT-5.5 xhigh for best pass rate.
@@ -134,7 +125,7 @@ in
             || verboseEcho "codex-browser-use-linux-chromium install failed (non-fatal); run codex-browser-doctor"
         '';
       };
-      file = codexAgentFiles // codexCommandFiles;
+      file = codexAgentFiles;
       packages = lib.optionals pkgs.stdenv.hostPlatform.isLinux [
         pkgs.khanelinix.codex-browser-use-linux-chromium
       ];
@@ -377,7 +368,7 @@ in
 
       context = builtins.readFile aiTools.base;
       contextOverride = aiTools.codex.contextOverride;
-      inherit (aiTools.codex) skills;
+      skills = aiTools.codex.commandSkills // aiTools.codex.skillAttrs;
       rules = import ./rules.nix;
     };
   };