fix(agents): stop legacy agent rendering

profiles/sets/coding/agents/opencode.nix

@@ -1,13 +1,4 @@
-{
+{lib, ...}: {
-  inputs,
-  lib,
-  ...
-}: {
-  coding.agents.opencode = {
-    enable = true;
-    agentsInput = inputs.agents;
-  };
-
   coding.opencode = {
     enable = true;
 

profiles/sets/coding/agents/pi.nix

@@ -1,35 +1,6 @@
-{inputs, ...}: {
+{...}: {
   coding.agents.pi = {
     enable = true;
-    agentsInput = inputs.agents;
-
-    modelOverrides = {
-      chiron = "openai-codex/gpt-5.5";
-      chiron-forge = "openai-codex/gpt-5.5";
-    };
-
-    # Coding rules for Pi agent
-    # Rules sourced from AGENTS repo
-    codingRules = {
-      # Language-specific rules
-      languages = [
-        "nix" # Nix language conventions
-      ];
-
-      # Standard concerns from AGENTS repo
-      concerns = [
-        "coding-style" # General coding principles
-        "naming" # Naming conventions (camelCase, snake_case, etc.)
-        "documentation" # Documentation standards
-        "testing" # Testing guidelines (Arrange-Act-Assert)
-        "git-workflow" # Conventional commits, branch naming
-        "git-identity" # Git identity configuration for agents
-        "project-structure" # Project layout conventions
-      ];
-
-      # No framework-specific rules for NixOS config
-      frameworks = [];
-    };
 
     settings = {
       packages = [