Resource: reasoning://config/providers

Purpose

Expose active analysis-provider mode and configured-but-unavailable provider boundaries.

Payload

• active_mode: currently heuristic.
• implemented_modes: modes that execute in this build.
• planned_modes: provider modes reserved by the architecture.
• provider_boundaries.model_backed: model provider boundary status and required environment variables.
• provider_boundaries.retrieval: retrieval provider boundary status and required environment variables.
• unavailable_modes: explicit fail-closed reasons.

Configured endpoint URLs are not returned. The resource reports only whether an endpoint is present.