Add chat lobby history retrieval protocol#274

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jolavillette wants to merge 2 commits intoRetroShare:masterfrom

jolavillette:RetrieveChatHistoryFromFriends

Commits on Apr 21, 2026

Add lobby history retrieval protocol: probe/request/data items, chunked transfer, local dedup & merge
jolavillette
committed
distributed-chat: add chat history sharing preference and restrict protocol responses
jolavillette
committed