fix: 포트 충돌 회피 — note_bridge 8098, intent_service 8099

Jellyfin(8096), OrbStack(8097) 포트 충돌으로 변경.

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

.venv/lib/python3.9/site-packages/icalendar/tests/prop/test_vDatetime.py

@@ -0,0 +1,47 @@
+from datetime import datetime
+
+import pytest
+
+from icalendar.prop import vDatetime
+
+
+def test_to_ical():
+    assert vDatetime(datetime(2001, 1, 1, 12, 30, 0)).to_ical() == b"20010101T123000"
+
+
+def test_from_ical():
+    assert vDatetime.from_ical("20000101T120000") == datetime(2000, 1, 1, 12, 0)
+    assert vDatetime.from_ical("20010101T000000") == datetime(2001, 1, 1, 0, 0)
+
+
+def test_to_ical_utc(tzp):
+    dutc = tzp.localize_utc(datetime(2001, 1, 1, 12, 30, 0))
+    assert vDatetime(dutc).to_ical() == b"20010101T123000Z"
+
+
+def test_to_ical_utc_1899(tzp):
+    dutc = tzp.localize_utc(datetime(1899, 1, 1, 12, 30, 0))
+    assert vDatetime(dutc).to_ical() == b"18990101T123000Z"
+
+
+def test_bad_ical():
+    with pytest.raises(ValueError):
+        vDatetime.from_ical("20010101T000000A")
+
+
+def test_roundtrip():
+    utc = vDatetime.from_ical("20010101T000000Z")
+    assert vDatetime(utc).to_ical() == b"20010101T000000Z"
+
+
+def test_transition(tzp):
+    # 1 minute before transition to DST
+    dat = vDatetime.from_ical("20120311T015959", "America/Denver")
+    assert dat.strftime("%Y%m%d%H%M%S %z") == "20120311015959 -0700"
+
+    # After transition to DST
+    dat = vDatetime.from_ical("20120311T030000", "America/Denver")
+    assert dat.strftime("%Y%m%d%H%M%S %z") == "20120311030000 -0600"
+
+    dat = vDatetime.from_ical("20101010T000000", "Europe/Vienna")
+    assert vDatetime(dat).to_ical() == b"20101010T000000"