Addresses code-review warnings on PR #76:
- Migration 022 now backfills pre-existing workspace_schedules rows to
source='template' before flipping NOT NULL + DEFAULT 'runtime'. Legacy
rows (all seeded via org/import historically) stay refreshable on
re-import. Down migration drops the CHECK constraint too.
- Extracted the import UPSERT into const orgImportScheduleSQL so the shape
test asserts against the const directly instead of file-scraping org.go.
Removed the os.ReadFile helper.
- scheduleResponse.Source gets json:\",omitempty\" so old clients that
predate the migration don't see an empty string they can't explain.
Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
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