Import AITURK IDE 1.0.0-beta.1 from Hermes 63279301; preserve MIT license

tests/gateway/test_runtime_config_env_expansion.py

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+"""Regression tests for gateway runtime config env-var expansion."""
+
+from __future__ import annotations
+
+import json
+
+import pytest
+
+import gateway.run as gateway_run
+
+
+def _write_config(home, body: str) -> None:
+    (home / "config.yaml").write_text(body, encoding="utf-8")
+
+
+@pytest.fixture
+def gateway_home(monkeypatch, tmp_path):
+    monkeypatch.setattr(gateway_run, "_hermes_home", tmp_path)
+    monkeypatch.delenv("HERMES_PREFILL_MESSAGES_FILE", raising=False)
+    monkeypatch.delenv("HERMES_EPHEMERAL_SYSTEM_PROMPT", raising=False)
+    monkeypatch.delenv("HERMES_GATEWAY_BUSY_INPUT_MODE", raising=False)
+    monkeypatch.delenv("HERMES_RESTART_DRAIN_TIMEOUT", raising=False)
+    monkeypatch.delenv("HERMES_BACKGROUND_NOTIFICATIONS", raising=False)
+    return tmp_path
+
+
+def test_load_prefill_messages_prefers_top_level_over_legacy(monkeypatch, gateway_home):
+    top_level = [{"role": "system", "content": "top-level"}]
+    legacy = [{"role": "system", "content": "legacy"}]
+    (gateway_home / "top.json").write_text(json.dumps(top_level), encoding="utf-8")
+    (gateway_home / "legacy.json").write_text(json.dumps(legacy), encoding="utf-8")
+    _write_config(
+        gateway_home,
+        "prefill_messages_file: top.json\n"
+        "agent:\n"
+        "  prefill_messages_file: legacy.json\n",
+    )
+
+    assert gateway_run.GatewayRunner._load_prefill_messages() == top_level
+
+