Sources that cannot provide context now return null
instead of omitting the method. The engine checks the
return value rather than method existence.
Co-authored-by: Ona <no-reply@ona.com>
FeedEngine calls fetchContext then fetchItems with the same
context. Cache events by context.time reference to avoid
duplicate CalDAV round-trips.
Co-authored-by: Ona <no-reply@ona.com>
A transient error on one calendar (e.g. shared calendar
with permission issues) no longer discards results from
all other calendars.
Co-authored-by: Ona <no-reply@ona.com>
Add @aris/source-apple-calendar for fetching iCloud
calendar events via CalDAV using tsdav and ical.js.
- CalendarSource implements FeedSource with fetchItems
and fetchContext for downstream context
- CalendarCredentialProvider interface for token injection
- CalendarDAVClient interface for testability
- iCal parser extracts full event data including
attendees, alarms, organizer, and recurrence
- Priority based on event proximity to current time
Co-authored-by: Ona <no-reply@ona.com>
