refactor: simplify dodo core experience

tests/test_mvp_backend.py

@@ -15,7 +15,6 @@ def boot(client):
 def test_bootstrap_returns_navigation_and_current_user(client):
     inbox = boot(client)
     client.post("/api/v1/folders", json={"name": "工作"})
-    client.post("/api/v1/tags", json={"name": "重要", "color": "#ff0000"})
     client.post("/api/v1/tasks", json={"title": "首屏任务", "list_id": inbox["id"]})
 
     response = client.get("/api/v1/bootstrap")
@@ -25,172 +24,10 @@ def test_bootstrap_returns_navigation_and_current_user(client):
     assert data["user"]["username"] == "owner"
     assert any(row["id"] == inbox["id"] for row in data["lists"])
     assert [row["name"] for row in data["folders"]] == ["工作"]
-    assert [row["name"] for row in data["tags"]] == ["重要"]
+    assert "tags" not in data
     assert data["inbox_id"] == inbox["id"]
 
 
-def test_calendar_endpoint_is_removed(client):
-    boot(client)
-    assert client.get("/api/v1/calendar", params={"start": "2026-09-01", "end": "2026-09-30"}).status_code == 404
-
-
-def test_calendar_parser_handles_tzid_recurrence_folding_and_multiday():
-    from backend.mvp import parse_ics_events
-
-    ics = """BEGIN:VCALENDAR\r
-VERSION:2.0\r
-BEGIN:VEVENT\r
-UID:tzid-recurring\r
-DTSTART;TZID=Asia/Shanghai:20260906T090000\r
-DTEND;TZID=Asia/Shanghai:20260906T100000\r
-RRULE:FREQ=DAILY;COUNT=2\r
-EXDATE;TZID=Asia/Shanghai:20260907T090000\r
-SUMMARY:折叠\r
- 标题\r
-END:VEVENT\r
-BEGIN:VEVENT\r
-UID:multi-day\r
-DTSTART;TZID=Asia/Shanghai:20260905T230000\r
-DTEND;TZID=Asia/Shanghai:20260906T010000\r
-SUMMARY:跨天事件\r
-END:VEVENT\r
-END:VCALENDAR\r
-"""
-    events = parse_ics_events(
-        ics,
-        "测试日历",
-        "#fff",
-        datetime(2026, 9, 5, 16, tzinfo=UTC),
-        datetime(2026, 9, 6, 16, tzinfo=UTC),
-    )
-
-    assert [(row["title"], row["starts_at"].isoformat()) for row in events] == [
-        ("折叠标题", "2026-09-06T01:00:00+00:00"),
-        ("跨天事件", "2026-09-05T15:00:00+00:00"),
-    ]
-
-
-def test_calendar_parser_keeps_recurrence_in_wall_clock_timezone_across_dst():
-    from backend.mvp import parse_ics_events
-
-    ics = """BEGIN:VCALENDAR\r
-VERSION:2.0\r
-BEGIN:VEVENT\r
-UID:dst-recurring\r
-DTSTART;TZID=America/New_York:20260307T090000\r
-DTEND;TZID=America/New_York:20260307T100000\r
-RRULE:FREQ=DAILY;COUNT=3\r
-SUMMARY:Morning meeting\r
-END:VEVENT\r
-END:VCALENDAR\r
-"""
-
-    events = parse_ics_events(
-        ics,
-        "DST calendar",
-        "#fff",
-        datetime(2026, 3, 7, tzinfo=UTC),
-        datetime(2026, 3, 11, tzinfo=UTC),
-    )
-
-    assert [row["starts_at"].isoformat() for row in events] == [
-        "2026-03-07T14:00:00+00:00",
-        "2026-03-08T13:00:00+00:00",
-        "2026-03-09T13:00:00+00:00",
-    ]
-
-
-def test_calendar_parser_replaces_master_occurrence_with_override():
-    from backend.mvp import parse_ics_events
-
-    ics = """BEGIN:VCALENDAR\r
-VERSION:2.0\r
-BEGIN:VEVENT\r
-UID:overridden-series\r
-DTSTART;TZID=Asia/Shanghai:20260906T090000\r
-DTEND;TZID=Asia/Shanghai:20260906T100000\r
-RRULE:FREQ=DAILY;COUNT=2\r
-SUMMARY:原始事件\r
-END:VEVENT\r
-BEGIN:VEVENT\r
-UID:overridden-series\r
-RECURRENCE-ID;TZID=Asia/Shanghai:20260907T090000\r
-DTSTART;TZID=Asia/Shanghai:20260907T110000\r
-DTEND;TZID=Asia/Shanghai:20260907T120000\r
-SUMMARY:改期事件\r
-END:VEVENT\r
-END:VCALENDAR\r
-"""
-
-    events = parse_ics_events(
-        ics,
-        "测试日历",
-        "#fff",
-        datetime(2026, 9, 5, tzinfo=UTC),
-        datetime(2026, 9, 8, tzinfo=UTC),
-    )
-
-    assert [(row["title"], row["starts_at"].isoformat()) for row in events] == [
-        ("原始事件", "2026-09-06T01:00:00+00:00"),
-        ("改期事件", "2026-09-07T03:00:00+00:00"),
-    ]
-
-
-def test_calendar_parser_skips_cancelled_events_and_cancelled_overrides():
-    from backend.mvp import parse_ics_events
-
-    ics = """BEGIN:VCALENDAR\r
-VERSION:2.0\r
-BEGIN:VEVENT\r
-UID:cancelled-single\r
-DTSTART:20260906T090000\r
-STATUS:CANCELLED\r
-SUMMARY:已取消单次事件\r
-END:VEVENT\r
-BEGIN:VEVENT\r
-UID:partly-cancelled-series\r
-DTSTART;TZID=Asia/Shanghai:20260906T090000\r
-RRULE:FREQ=DAILY;COUNT=2\r
-SUMMARY:重复事件\r
-END:VEVENT\r
-BEGIN:VEVENT\r
-UID:partly-cancelled-series\r
-RECURRENCE-ID;TZID=Asia/Shanghai:20260907T090000\r
-STATUS:CANCELLED\r
-SUMMARY:已取消实例\r
-END:VEVENT\r
-END:VCALENDAR\r
-"""
-
-    events = parse_ics_events(
-        ics,
-        "测试日历",
-        "#fff",
-        datetime(2026, 9, 5, tzinfo=UTC),
-        datetime(2026, 9, 8, tzinfo=UTC),
-    )
-
-    assert [(row["title"], row["starts_at"].isoformat()) for row in events] == [
-        ("重复事件", "2026-09-06T01:00:00+00:00"),
-    ]
-
-
-def test_calendar_url_rejects_private_addresses(monkeypatch):
-    from fastapi import HTTPException
-
-    from backend.mvp import _validated_calendar_target
-
-    monkeypatch.setattr(
-        "backend.mvp.socket.getaddrinfo",
-        lambda *_args, **_kwargs: [(None, None, None, None, ("127.0.0.1", 80))],
-    )
-    try:
-        _validated_calendar_target("http://example.com/calendar.ics")
-    except HTTPException as exc:
-        assert exc.status_code == 422
-    else:
-        raise AssertionError("private calendar target should be rejected")
-
 
 def test_recurrence_mutations_keep_exact_timestamp_validation(client):
     inbox = boot(client)