Ceres Client - HTTP clients for external APIs

This crate provides HTTP clients for interacting with:

• ckan - CKAN open data portals
• portal - Unified portal client factory (enum dispatch over portal types)
• gemini - Google Gemini embeddings API
• openai - OpenAI embeddings API
• ollama - Ollama local embeddings

Overview

The clients handle authentication, request building, response parsing, and error handling for their respective APIs.

Portal Clients

Multiple portal types are supported via PortalClientEnum:

Embedding Providers

Multiple embedding providers are supported:

ceres-client

The external communication layer for Ceres.

This crate handles connections to external systems used by Ceres: portal APIs for harvesting and embedding providers for optional vector generation.

What it provides

• Portal Clients: CKAN harvesting plus current DCAT udata support.
• Embedding Providers: Ollama, Gemini, and OpenAI via the EmbeddingProvider trait.
• HTTP Handling: Robust request handling with retries.

Current focus

• Harvest compatibility: normalize heterogeneous portal responses into the shared NewDataset model.
• Local-first embedding: Ollama support keeps embedding optional and self-hostable.
• Provider dispatch: enum-based factories bridge runtime configuration with async traits.