Oliver Jakoubek e4862b8e9b Fix date parsing for Checkvist API format ... Add custom APITime type with UnmarshalJSON to handle the non-standard date format returned by the Checkvist API ("2026/01/14 16:07:31 +0000") instead of the expected RFC3339 format. Changes: - Add APITime type with custom JSON marshaling/unmarshaling in models.go - Replace time.Time with APITime for UpdatedAt/CreatedAt fields in Checklist, Task, and Note structs - Add NewAPITime constructor for convenience - Update test fixtures to use real API date format - Add comprehensive unit tests for APITime in models_test.go Fixes: checkvist-api-4qn		2026-01-14 18:10:02 +01:00
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list.json	Fix date parsing for Checkvist API format	2026-01-14 18:10:02 +01:00