Capability Descriptor • AI Agent SDK

CapabilityDescriptor: A capability profile a relay connector attests at handshake time.

CapabilityDescriptor

Defined in the protocols module.

A capability profile a relay connector attests at handshake time.

Where :class:~praisonaiagents.bots.presentation.PlatformCapabilities declares capabilities statically in core, this descriptor is negotiated by a remote connector at connect time so the streaming/delivery layer can adapt to the actual platform the connector is fronting.

Attributes: max_message_length: Maximum outbound message length the platform accepts before the connector must split/truncate. length_unit: How `max_message_length is measured — "chars" (Unicode code points) or "utf16" (UTF-16 code units, as some platforms count). supports_edit: Whether the platform supports editing a sent message (enables draft-streaming via in-place edits). supports_draft_streaming: Whether the connector can stream partial drafts (incremental updates) for a single turn. markdown_dialect: Markdown flavour the platform renders (e.g. "none", "markdown", "markdownv2", "html"`).

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