ACP server state.

Anthropic Messages API provider.

Vision provider that describes images using the Anthropic Messages API. Uses the `messages` endpoint with base64 image content blocks, which differs

Options for building an ARIA snapshot.

Credential presented by a connecting client.

Per-IP rate limiter for authentication attempts. Tracks failed attempts per IP with sliding window and lockout. Uses a `Mutex<HashMap>` since auth at

Bash tool for executing shell commands.

Server-push event broadcast to all connected WebSocket clients. Uses a tokio broadcast channel. Slow consumers are dropped (lagged) rather than block

Caching wrapper that stores embeddings in SQLite keyed by SHA-256 of the text.

Outcome of a single diagnostic check.

Circuit breaker that wraps a provider and tracks failure state.

Per-connection state.