The handle-sync worker picks the next BATCH_SIZE=100 distinct
DIDs with 'handle = \"\"' via 'ORDER BY did LIMIT 100'. But
'alphabetically' (which is what ORDER BY on a text column
produces) puts 'did🔑' before 'did:plc:' before 'did:web:'.
The 'dispatch' function returns 'Ok(None)' for 'did🔑'
(no resolver exists), counts that as 'skipped', and exits the
batch. Result: every pass processes the same ~3700 'did🔑'
rows first and never reaches any resolvable 'did:plc:' DID.
Fix at the SQL layer: 'WHERE did LIKE \"'did:plc:%\"' OR did
LIKE \"'did:web:%\"' \"'\") so every batch is real work. After
the first run on a fresh start, 'resolved=254 failed=0 skipped=0'
instead of 'resolved=0 failed=0 skipped=100'.