syncTokensToCache

Sync dust tokens from DustLocalState to database cache.

When to call:

• After blockchain events that affect dust (registrations, spends)

• After deserializing DustLocalState from backup

• Periodically to ensure cache is fresh

Process:

1. Load DustLocalState from persistent storage

2. Get all UTXOs from DustLocalState via FFI

3. Parse and insert into database

4. Close DustLocalState

Parameters