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jackandClaude Fable 5
38331e62f1
Feature models observe per-conversation objects directly: PublicChatModel forwards the active Conversation's objectWillChange, PrivateInboxModel republishes only for the selected peer's conversation - background appends no longer invalidate foreground views. LegacyConversationStore, the coalescing bridge, and IdentityResolver are deleted (resolver canonicalization proved display-invisible: nothing enumerates direct conversations, lookups are by exact peer ID, and raw keying is strictly more robust - documented as a design deviation). Selection state moves into the store. ChatViewModel.messages/privateChats survive as derived read views for coordinators that genuinely need them; hot paths use a new store-direct privateMessages(for:) witness. Final numbers vs pre-migration baselines: pipeline.privateIngest 9.7k -> 24.0k msg/s (2.5x) pipeline.publicIngest 6.8k -> 13.7k msg/s (2.0x) delivery updates 38k -> 117-133k/s Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>