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Add single-writer ConversationStore core (additive)

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Per-conversation ObservableObjects with O(1) dedup via an incrementally
maintained message-ID index, binary-search timestamp insertion, folded
cap policies, a no-downgrade delivery rule, and a typed change subject.
All mutation flows through store intents (conversation mutators are
fileprivate). The previous store is renamed LegacyConversationStore
pending deletion in step 5. 16 behavioral tests including per-
conversation publish isolation; store.append benchmarks at ~144k
messages/sec.

Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
This commit is contained in:
jack
2026-06-11 11:02:27 +02:00
co-authored by Claude Fable 5
parent 45650854e7
commit ac3a2f2d34
11 changed files with 919 additions and 37 deletions
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bitchat/ViewModels/ChatViewModel.swift
+5 -5
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@@ -270,7 +270,7 @@ final class ChatViewModel: ObservableObject, BitchatDelegate, TransportEventDele
let meshService: Transport
let idBridge: NostrIdentityBridge
let identityManager: SecureIdentityStateManagerProtocol
let conversationStore: ConversationStore
let conversationStore: LegacyConversationStore
let identityResolver: IdentityResolver
let peerIdentityStore: PeerIdentityStore
let locationPresenceStore: LocationPresenceStore
@@ -532,13 +532,13 @@ final class ChatViewModel: ObservableObject, BitchatDelegate, TransportEventDele
keychain: KeychainManagerProtocol,
idBridge: NostrIdentityBridge,
identityManager: SecureIdentityStateManagerProtocol,
conversationStore: ConversationStore? = nil,
conversationStore: LegacyConversationStore? = nil,
identityResolver: IdentityResolver? = nil,
peerIdentityStore: PeerIdentityStore? = nil,
locationPresenceStore: LocationPresenceStore? = nil,
locationManager: LocationChannelManager = .shared
) {
let conversationStore = conversationStore ?? ConversationStore()
let conversationStore = conversationStore ?? LegacyConversationStore()
let identityResolver = identityResolver ?? IdentityResolver()
self.init(
keychain: keychain,
@@ -561,13 +561,13 @@ final class ChatViewModel: ObservableObject, BitchatDelegate, TransportEventDele
idBridge: NostrIdentityBridge,
identityManager: SecureIdentityStateManagerProtocol,
transport: Transport,
conversationStore: ConversationStore? = nil,
conversationStore: LegacyConversationStore? = nil,
identityResolver: IdentityResolver? = nil,
peerIdentityStore: PeerIdentityStore? = nil,
locationPresenceStore: LocationPresenceStore? = nil,
locationManager: LocationChannelManager = .shared
) {
let conversationStore = conversationStore ?? ConversationStore()
let conversationStore = conversationStore ?? LegacyConversationStore()
let identityResolver = identityResolver ?? IdentityResolver()
let peerIdentityStore = peerIdentityStore ?? PeerIdentityStore()
let locationPresenceStore = locationPresenceStore ?? LocationPresenceStore()