fix(omo-codex): adapt synced skills for Codex tools

packages/omo-codex/plugin/test/sync-skills.test.mjs

@@ -37,3 +37,28 @@ test("#given synced aggregate Codex skills #when inspected #then component and s
 		assert.match(content, /^---\n/);
 	}
 });
+
+test("#given synced aggregate Codex skills #when they contain OpenCode orchestration examples #then Codex tool compatibility guidance is injected", async () => {
+	// given
+	const skillsRoot = join(root, "skills");
+	const opencodeOnlyToolPattern = /\b(?:call_omo_agent|background_output|team_[a-z_]+|task)\s*\(/;
+
+	// when
+	const skillNames = (await readdir(skillsRoot, { withFileTypes: true }))
+		.filter((entry) => entry.isDirectory())
+		.map((entry) => entry.name)
+		.sort();
+
+	// then
+	for (const skillName of skillNames) {
+		const content = await readFile(join(skillsRoot, skillName, "SKILL.md"), "utf8");
+		if (!opencodeOnlyToolPattern.test(content)) continue;
+
+		const compatibilityIndex = content.indexOf("## Codex Harness Tool Compatibility");
+		assert.notEqual(compatibilityIndex, -1, `${skillName} is missing Codex compatibility guidance`);
+		assert.ok(
+			compatibilityIndex < content.search(opencodeOnlyToolPattern),
+			`${skillName} must explain Codex tool translation before OpenCode-only examples`,
+		);
+	}
+});