Create a new chat session with Claude. Optionally set a system prompt, project tag, model, and title. Returns the sessionId to use in subsequent calls.

List recent chat sessions. Filter by project, state, and limit. Sessions are sorted by most recently updated first.

Get full session details including message history. Use this to inspect or resume a prior conversation.

Archive a session. Archived sessions are hidden from the default list but remain searchable and resumable.

Permanently delete a session and all its messages. This also removes vectors from Qdrant. Irreversible.

Send a message in an existing session and get a Claude response. Reconstructs full conversation history for the API call. Stores both user message and assistant response. Returns the assistant reply with token usage.

List messages in a session with pagination. Returns messages in chronological order.

Semantic search over all stored conversation content using vector similarity. Finds messages relevant to the query even if exact words don't match. Optionally scope to a project or specific session.

Inject external context into a session before the next message send. Use this to pipe in Aiana memory recall, documentation snippets, or runtime state. The injected content is stored as a message and included in the next completion call.

Return aggregate stats: total sessions, total messages, and tokens consumed today. Useful for quota monitoring and observability.

Ping Anthropic and Qdrant services. Returns latency for each. Use to verify the app is operational before sending messages.

Fork a session at a specific message to explore an alternative branch of conversation. Creates a new session with all history up to and including the fork point. The original session is unchanged.