Kpa-clawbot eec6caaa48 fix: stop autoLearnHopNodes from creating phantom nodes, fixes #133 ...

autoLearnHopNodes was creating stub 'repeater' entries in the nodes table
for every unresolved hop prefix. With hash_size=1, this generated thousands
of phantom nodes (6,638 fake repeaters on a ~300-node mesh).

Root cause fix:
- autoLearnHopNodes no longer calls db.upsertNode() for unresolved hops
- Hop prefixes are still cached to avoid repeated DB lookups
- Unresolved hops display as raw hex via hop-resolver (no behavior change)

Cleanup:
- Added db.removePhantomNodes() — deletes nodes with public_key <= 16 chars
  (real MeshCore pubkeys are 64 hex chars / 32 bytes)
- Called at server startup to purge existing phantoms

Tests: 14 new assertions in test-db.js (109 total, all passing)

Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>

2026-03-27 02:05:31 -07:00

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