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PrivateV1 was the legacy prekey-handshake 1:1 protocol, superseded by DirectV1 over InboxV2. Remove it and everything that existed only to serve it. - Delete PrivateV1Convo and its v1 inbox bootstrap: the Inbox, Introduction, and InboxHandshake types, plus the support code only they used (the crate::crypto module, EncryptionError, timestamp_millis, the PrivateV1Domain HKDF domain, and the ServiceContext test doubles). - Drop the public entry points that exposed it: Core::create_intro_bundle, create_private_convo_v1, dispatch_to_inbox, and the matching ChatClient::create_intro_bundle / create_conversation. - Remove ConversationKind::PrivateV1 and its "private_v1" mapping, the from_kind arm, and the orphaned inbox-v1 proto re-exports. - Migrate the chat-cli /intro and /connect commands and the message-exchange example to create_direct_conversation. - Delete the PrivateV1 integration test; move the sqlite conversation roundtrip test to GroupV1. InboxOutcome, PayloadOutcome::Inbox, and ConversationClass::Private stay: InboxV2 (DirectV1 and GroupV1 invites) still produces them. Follow-ups, out of scope here: - logos-chat-module still calls create_intro_bundle / create_conversation and needs a companion change. - remote_convo_id and EphemeralKeyStore are now vestigial (only PrivateV1 used them); dropping them is a storage-schema change for a later PR.
libchat
Supporting library for Logos-chat
Example app
bin/chat-cli is an end-to-end encrypted CLI chat app
built on this library. By default it uses logos-delivery
(Waku-based) as the transport so two users anywhere in the world can chat by
sharing an intro bundle. A local file transport is also bundled in; pick at
runtime with --transport <logos-delivery|file>.
# Build logos-delivery with Nix
nix build .#logos-delivery
# Build chat-cli with Cargo
LOGOS_DELIVERY_LIB_DIR=./result/lib cargo build --release -p chat-cli
# Run binary (defaults to --transport logos-delivery)
./target/release/chat-cli --name alice
See bin/chat-cli/README.md for full build,
run, and test instructions.