Harden ops ROLE_SYSTEM answer shape with good/bad reply examples.

Co-authored-by: Cursor <cursoragent@cursor.com>

tests/test_ops_role_system_en.py

@@ -12,3 +12,15 @@ def test_ops_role_system_en_prefers_localized_file() -> None:
     assert "ops specialist" in en.lower()
     assert "reply entirely in the user's language" in en.lower()
     assert "运维专家" not in en
+
+
+def test_ops_role_system_has_answer_shape_examples() -> None:
+    zh = build_role_system_context("ops", lang="zh")
+    en = build_role_system_context("ops", lang="en")
+    for text in (zh, en):
+        assert "Result:" in text
+        assert "Evidence:" in text
+        assert "Good vs bad" in text or "好例 vs 坏例" in text
+        assert "Let me check the fiber cut" in text
+        assert "Fiber cut / LOS — network-wide" in text
+        assert "incomplete answer" in text.lower() or "不合格" in text