Changelog

All notable changes across the three Cosmo Realtime SDKs. Dates are release dates.

TypeScript — `cosmo-ai`

Initial release.

RealtimeClient class with connect, disconnect, sendText, setMicMuted, waitUntilReady.
CosmoRealtimeProvider + useRealtimeClient, useTransportState, useAgentState, useMediaState, useTranscript, useToolCalls, useRealtimeError, useMicLevel, useOutputLevel hooks.
RealtimeAudio, MicToggle, BarVisualizer, StartAudio components.
Screen share: startScreenShare, stopScreenShare, isScreenSharing.
Video stream API: addVideoStream, removeVideoStream.
COSMO_BRAIN_TOOL and DEFAULT_SERVER_TOOLS constants.
Auto-reconnect with configurable maxAttempts and backoffMs.
Typed event system: transport_state, agent_state, media_state, transcript, model_text, tool_call, tool_result, volume, error, ready, conversation_link.
Envelope chunking for messages exceeding the 15 KiB data-channel limit.
Transport abstraction (RealtimeTransport interface) with LiveKitTransport default.

Initial release.

CosmoRealtimeClient async class with connect, disconnect, send_text, send_mute, set_microphone_enabled, send_ping, end.
async with support via __aenter__ / __aexit__.
Typed subscriptions: on_transcript, on_tool_call, on_tool_result, on_ready, on_conversation_link, on_error, on_message (catch-all).
Generated AuthenticatedClient and Client from realtime-openapi.json.
Generated models: RealtimeClientInit, RealtimeSessionRequest, RealtimeSessionResponse, RealtimeTranscriptDelta, RealtimeToolCall, RealtimeToolResult, RealtimeReady, RealtimeConversationLink, RealtimeError, RealtimeErrorCode, RealtimeTranscriptRole, and supporting types.
Envelope reassembly for server-envelope-chunk messages.
Optional livekit extra for microphone publishing support.
structlog-based logging with structured fields.

Initial release.

CosmoRealtimeClient actor with connect(init:), disconnect, send(text:audioResponse:), setMicrophoneMuted, sendPing, end.
Event subscriptions returning Cancellable: onTranscript, onToolCall, onReady, onConversationLink, onError.
CosmoRealtimeClient.Configuration with apiKey and baseURL.
RealtimeClientConfig typealias.
CosmoRealtimeError enum: sessionStartFailed, notConnected.
Generated Client and Components.Schemas.* types from realtime-openapi.json via Swift OpenAPI Generator plugin.
EnvelopeReassembler actor for transparent reassembly of server-envelope-chunk messages.
BearerAuthMiddleware for automatic Authorization: Bearer injection.
@_exported re-exports of OpenAPIRuntime and OpenAPIURLSession.