Wire the intake and answer subsystems together into a running
application.
- config: maps YAML file to internal package configuration.
- service: manages lifecycle and graceful shutdown.
- cmd/raven: entry point for flag parsing and signal handling.
Subsystem for message processing: parses messages, generates LLM
responses, and replies with SMTP.
Introduces:
- answer: message processing worker.
- llm: OpenAI API compatible client with support for tool execution.
- message: message parsing and response logic.
- tool: converts YAML configuration into executable subprocesses.
- smtp: simple config and client wrapper for sending email.
Subsystem to monitor IMAP mailbox for new messages.
Introduces:
- intake: worker that uses IDLE or polling to detect new emails.
- imap: client wrapper for connection management and IMAP commands.
- filter: logic for IMAP search and sender allow-list.
- tracker: concurrency control to prevent processing the same UID twice.
- backoff: for handling connection retries with jitter.
