Add UnmarshalJSON wrapper to bufpool.go and route the json.Unmarshal
call in events.go readPump through the package-local wrapper, removing
the direct "encoding/json" import which is banned under AX RFC-025.
Co-Authored-By: Charon <charon@lethean.io>
- P2P-HIGH-1: Add peer scoring system with success/failure/timeout tracking
- PERF-HIGH-2: Add JSON encoding buffer pool for hot paths
- API-HIGH-1: Standardize error responses using APIError struct
- RESIL-MED-5: Add graceful disconnect with reason/code messages
All verified items (SQL indexes, keepalive) were already implemented.
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Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>