Tasks: TickTick history sync (export + idempotent import, start_at/time_zone); trackers ordered tasks, money, books with single-noun names

src/lib/server/db/schema/tasks.ts

@@ -95,6 +95,8 @@ export const todoTasks = tasksSchema.table(
 		sortOrder: integer('sort_order').notNull().default(0),
 		source: text('source'), // e.g. 'daisy-import', 'manual', 'ticktick'
 		externalId: text('external_id'), // id in the source system, for future syncs
+		startAt: timestamptz('start_at'), // planned start (TickTick startDate)
+		timeZone: text('time_zone'), // zone the task was planned in (TickTick); due_time stays Amsterdam
 		startedAt: timestamptz('started_at'),
 		completedAt: timestamptz('completed_at'),
 		...timestamps