chore(codex): route sample roles to GPT-6 Sol and Luna

.codex/AGENTS.md

@@ -9,10 +9,10 @@ For repo navigation, surface ownership, and PR diff packet guidance, read
 
 | Task Type | Recommended Model |
 |-----------|------------------|
-| Routine coding, tests, formatting | GPT 5.5 |
-| Complex features, architecture | GPT 5.5 |
-| Debugging, refactoring | GPT 5.5 |
-| Security review | GPT 5.5 |
+| Routine coding, tests, formatting | GPT-6 Luna medium |
+| Complex features, architecture | GPT-6 Sol high |
+| Debugging, refactoring | GPT-6 Sol high |
+| Security review | GPT-6 Sol high |
 
 ## Skills Discovery
 

.codex/agents/docs-researcher.toml

@@ -1,4 +1,4 @@
-model = "gpt-5.5"
+model = "gpt-6-luna"
 model_reasoning_effort = "medium"
 sandbox_mode = "read-only"
 

.codex/agents/explorer.toml

@@ -1,4 +1,4 @@
-model = "gpt-5.5"
+model = "gpt-6-luna"
 model_reasoning_effort = "medium"
 sandbox_mode = "read-only"
 

.codex/agents/reviewer.toml

@@ -1,4 +1,4 @@
-model = "gpt-5.5"
+model = "gpt-6-sol"
 model_reasoning_effort = "high"
 sandbox_mode = "read-only"
 

tests/codex-config.test.js

@@ -112,6 +112,28 @@ if (
   passed++;
 else failed++;
 
+if (
+  test('sample Codex roles route research to GPT-6 Luna and review to GPT-6 Sol', () => {
+    const expected = {
+      'explorer.toml': ['gpt-6-luna', 'medium'],
+      'docs-researcher.toml': ['gpt-6-luna', 'medium'],
+      'reviewer.toml': ['gpt-6-sol', 'high'],
+    };
+    for (const [roleFile, [model, effort]] of Object.entries(expected)) {
+      const roleConfig = fs.readFileSync(path.join(codexAgentsDir, roleFile), 'utf8');
+      assert.ok(roleConfig.includes(`model = "${model}"`), `${roleFile}: expected ${model}`);
+      assert.ok(
+        roleConfig.includes(`model_reasoning_effort = "${effort}"`),
+        `${roleFile}: expected ${effort} effort`,
+      );
+    }
+    const guidance = fs.readFileSync(path.join(repoRoot, '.codex', 'AGENTS.md'), 'utf8');
+    assert.ok(!/GPT 5\.5/.test(guidance), 'Expected model recommendations to be updated');
+  })
+)
+  passed++;
+else failed++;
+
 console.log(`\nPassed: ${passed}`);
 console.log(`Failed: ${failed}`);
 process.exit(failed > 0 ? 1 : 0);