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  "title": "fix: remove CAT mempool panic for duplicate peers (#1902 backport to main)",
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  "debrief": "GitHub Copilot backported a fix to main for a CAT mempool panic, where ReserveForPeer panicked on adding a duplicate peer during peer removal. The change spans 41 files across six commits, with 762 additions and 125 deletions. It drew 12 reviews and seven review comments, with no change requests, merged clean after 144.39 hours.",
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  "updated_at": "2026-11-03T21:53:44.364947+00:00",
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  "body_excerpt": "The CAT (Content Addressable Transaction) mempool was panicking when attempting to add a duplicate peer, which could occur during rapid peer removal and addition cycles under heavy network load.\n\n## Problem\n\nThe `ReserveForPeer` function in `mempool/cat/peers.go` would panic with the message \"duplic",
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  "reviewer_excerpt": "@copilot run golangci-lint Running [/home/runner/golangci-lint-2.1.6-linux-amd64/golangci-lint config path] in [/home/runner/work/celestia-core/celestia-core] ... Running [/home/runner/golangci-lint-2.1.6-linux-amd64/golangci-lint config verify] in [/home/runner/work/celestia-core/celestia-core] ... Running [/home/runner/golangci-lint-2.1.6-linux-amd64/golangci-lint run --timeout 10m] in [/home/runner/work/celestia-core/celestia-core] ...",
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  "reviewer_excerpt_url": "https://github.com/celestiaorg/celestia-core/pull/2062#pullrequestreview-2969481436"
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   "title": "chore: correctly set CAT trace client",
   "number": 2261,
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   "files_changed": 4,
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   "title": "fix(p2p): prevent negative numToDial in PEX reactor",
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