- _journal.json: restore idx 28 (0028_sms_reminders), add idx 29
(0029_db_indexes_constraints), renumber 0030_messaging to idx 30
(was missing 0028 and 0029 entries — they were silently skipped)
- schema.ts: add .desc() to conversations.lastMessageAt and
messages.createdAt indexes per spec
- 0030_messaging.sql: add DESC to both generated index statements
Co-Authored-By: Paperclip <noreply@paperclip.ing>