v1.7.22

WebSocket Resilience & Efficiency

Resilience

• Fix SharedWorker crash recovery bug that prevented reconnection when worker died while appearing connected
• Remove hard cap on reconnect attempts — indefinite retry with exponential backoff up to 5 min
• Add sleep/wake drift detection in SharedWorker for faster recovery after laptop lid close/open
• Add mobile visibility-based stale connection detection (non-SharedWorker path)
• Align session token TTL with runtime disconnect timeout configuration

Efficiency

• Extract shared protocol parser — eliminates ~300 lines of duplicated parsing code across two client files
• Create shared protocol type definitions used by both server and client (single source of truth)
• Enable perMessageDeflate WebSocket compression (60-80% reduction for JSON messages >128 bytes)
• Standardize VISIBILITY prefix to use \x00[VISIBILITY] like all other protocol messages

Bandwidth

• Separate equipment images from STATS messages (~500KB/min savings per player)
• Send combat portraits only once per target, not every round (~100KB/round savings)