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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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bitchatTests/AppArchitectureTests.swift
+12 -12
View File
@@ -146,10 +146,10 @@ struct AppArchitectureTests {
#expect(Set([first, second]).count == 1)
}
@Test("ConversationStore normalizes timeline ordering and duplicates")
@Test("LegacyConversationStore normalizes timeline ordering and duplicates")
@MainActor
func conversationStoreNormalizesMessages() {
let store = ConversationStore()
let store = LegacyConversationStore()
let older = BitchatMessage(
id: "m1",
sender: "alice",
@@ -191,10 +191,10 @@ struct AppArchitectureTests {
#expect(messages.last?.content == "second-updated")
}
@Test("ConversationStore tracks unread direct conversations with canonical IDs")
@Test("LegacyConversationStore tracks unread direct conversations with canonical IDs")
@MainActor
func conversationStoreTracksUnreadDirectConversations() {
let store = ConversationStore()
let store = LegacyConversationStore()
let resolver = IdentityResolver()
let peerID = PeerID(str: "peer-1")
let message = BitchatMessage(
@@ -226,10 +226,10 @@ struct AppArchitectureTests {
#expect(!store.unreadConversations.contains(conversationID))
}
@Test("ConversationStore tracks the selected app conversation context")
@Test("LegacyConversationStore tracks the selected app conversation context")
@MainActor
func conversationStoreTracksSelectedConversationContext() {
let store = ConversationStore()
let store = LegacyConversationStore()
let resolver = IdentityResolver()
let noiseKey = Data((0..<32).map(UInt8.init))
let shortPeerID = PeerID(str: "0011223344556677")
@@ -268,10 +268,10 @@ struct AppArchitectureTests {
#expect(store.selectedConversationID == ConversationID.mesh)
}
@Test("ConversationStore exposes direct conversations by the latest routing peer ID")
@Test("LegacyConversationStore exposes direct conversations by the latest routing peer ID")
@MainActor
func conversationStoreExposesDirectConversationsByLatestRoutingPeerID() {
let store = ConversationStore()
let store = LegacyConversationStore()
let resolver = IdentityResolver()
let noiseKey = Data((0..<32).map(UInt8.init))
let shortPeerID = PeerID(str: "0011223344556677")
@@ -334,10 +334,10 @@ struct AppArchitectureTests {
#expect(store.unreadDirectPeerIDs() == Set([fullPeerID]))
}
@Test("PrivateInboxModel mirrors direct message state from ConversationStore")
@Test("PrivateInboxModel mirrors direct message state from LegacyConversationStore")
@MainActor
func privateInboxModelMirrorsDirectMessageStateFromConversationStore() async {
let store = ConversationStore()
let store = LegacyConversationStore()
let resolver = IdentityResolver()
let inboxModel = PrivateInboxModel(conversationStore: store)
let messagePeerID = PeerID(str: "peer-1")
@@ -383,7 +383,7 @@ struct AppArchitectureTests {
@MainActor
func appChromeModelMirrorsNicknameAndUnreadState() async {
let viewModel = makeArchitectureViewModel()
let conversationStore = ConversationStore()
let conversationStore = LegacyConversationStore()
let resolver = IdentityResolver()
let privateInboxModel = PrivateInboxModel(conversationStore: conversationStore)
let chromeModel = AppChromeModel(chatViewModel: viewModel, privateInboxModel: privateInboxModel)
@@ -414,7 +414,7 @@ struct AppArchitectureTests {
@MainActor
func appChromeModelOwnsPresentationState() {
let viewModel = makeArchitectureViewModel()
let conversationStore = ConversationStore()
let conversationStore = LegacyConversationStore()
let privateInboxModel = PrivateInboxModel(conversationStore: conversationStore)
let chromeModel = AppChromeModel(chatViewModel: viewModel, privateInboxModel: privateInboxModel)
let peerID = PeerID(str: "peer-2")