fix(restart): show restart completion with elapsed time across channels

tests/utils/test_restart.py

@@ -0,0 +1,49 @@
+"""Tests for restart notice helpers."""
+
+from __future__ import annotations
+
+import os
+
+from nanobot.utils.restart import (
+    RestartNotice,
+    consume_restart_notice_from_env,
+    format_restart_completed_message,
+    set_restart_notice_to_env,
+    should_show_cli_restart_notice,
+)
+
+
+def test_set_and_consume_restart_notice_env_roundtrip(monkeypatch):
+    monkeypatch.delenv("NANOBOT_RESTART_NOTIFY_CHANNEL", raising=False)
+    monkeypatch.delenv("NANOBOT_RESTART_NOTIFY_CHAT_ID", raising=False)
+    monkeypatch.delenv("NANOBOT_RESTART_STARTED_AT", raising=False)
+
+    set_restart_notice_to_env(channel="feishu", chat_id="oc_123")
+
+    notice = consume_restart_notice_from_env()
+    assert notice is not None
+    assert notice.channel == "feishu"
+    assert notice.chat_id == "oc_123"
+    assert notice.started_at_raw
+
+    # Consumed values should be cleared from env.
+    assert consume_restart_notice_from_env() is None
+    assert "NANOBOT_RESTART_NOTIFY_CHANNEL" not in os.environ
+    assert "NANOBOT_RESTART_NOTIFY_CHAT_ID" not in os.environ
+    assert "NANOBOT_RESTART_STARTED_AT" not in os.environ
+
+
+def test_format_restart_completed_message_with_elapsed(monkeypatch):
+    monkeypatch.setattr("nanobot.utils.restart.time.time", lambda: 102.0)
+    assert format_restart_completed_message("100.0") == "Restart completed in 2.0s."
+
+
+def test_should_show_cli_restart_notice():
+    notice = RestartNotice(channel="cli", chat_id="direct", started_at_raw="100")
+    assert should_show_cli_restart_notice(notice, "cli:direct") is True
+    assert should_show_cli_restart_notice(notice, "cli:other") is False
+    assert should_show_cli_restart_notice(notice, "direct") is True
+
+    non_cli = RestartNotice(channel="feishu", chat_id="oc_1", started_at_raw="100")
+    assert should_show_cli_restart_notice(non_cli, "cli:direct") is False
+