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https://github.com/Kpa-clawbot/meshcore-analyzer.git
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14ff1821d6
Root cause: addFeedItem had no dedup logic — each WS message created
a new feed entry regardless of hash. Dedup only worked when the
'Realistic propagation' toggle was ON (which buffers by hash before
calling animateRealisticPropagation). Default mode called animatePacket
directly for every observation, producing duplicate feed entries.
Fix: Added feedHashMap (hash -> {element, count, pkt, addedAt}) that
tracks recent feed items by packet hash. When a packet with a known
hash arrives within 30s, the existing feed item is updated in-place:
- Observation count badge incremented
- Item flashed and moved to top of feed
- No duplicate DOM element created
Also adds data-hash attribute to feed items for testability.
Tests: 5 new Playwright tests in test-live-dedup.js covering:
- Same hash different observers → single entry
- Different hashes → separate entries
- 5 rapid sequential duplicates → single entry with count 5
- Same hash same observer → still deduplicates
- Packets without hash → not deduplicated
