154d4108dc
Adds support for Mistral embeddings with: - Mistral embedding client and provider - Batch processing with concurrency control - Auto-fallback support - Tests for remote overrides and key resolution
91 lines
2.9 KiB
TypeScript
91 lines
2.9 KiB
TypeScript
import { requireApiKey, resolveApiKeyForProvider } from "../agents/model-auth.js";
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import type { EmbeddingProvider, EmbeddingProviderOptions } from "./embeddings.js";
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export type MistralEmbeddingClient = {
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baseUrl: string;
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headers: Record<string, string>;
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model: string;
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};
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export const DEFAULT_MISTRAL_EMBEDDING_MODEL = "mistral-embed";
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const DEFAULT_MISTRAL_BASE_URL = "https://api.mistral.ai/v1";
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export function normalizeMistralModel(model: string): string {
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const trimmed = model.trim();
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if (!trimmed) return DEFAULT_MISTRAL_EMBEDDING_MODEL;
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if (trimmed.startsWith("mistral/")) return trimmed.slice("mistral/".length);
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return trimmed;
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}
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export async function createMistralEmbeddingProvider(
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options: EmbeddingProviderOptions,
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): Promise<{ provider: EmbeddingProvider; client: MistralEmbeddingClient }> {
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const client = await resolveMistralEmbeddingClient(options);
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const url = `${client.baseUrl.replace(/\/$/, "")}/embeddings`;
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const embed = async (input: string[]): Promise<number[][]> => {
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if (input.length === 0) return [];
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const res = await fetch(url, {
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method: "POST",
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headers: client.headers,
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body: JSON.stringify({ model: client.model, input }),
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});
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if (!res.ok) {
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const text = await res.text();
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throw new Error(`mistral embeddings failed: ${res.status} ${text}`);
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}
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const payload = (await res.json()) as {
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data?: Array<{ embedding?: number[] }>;
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error?: { message?: string };
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};
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if (payload.error?.message) {
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throw new Error(`mistral embeddings failed: ${payload.error.message}`);
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}
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const data = payload.data ?? [];
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return data.map((entry) => entry.embedding ?? []);
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};
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return {
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provider: {
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id: "mistral",
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model: client.model,
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embedQuery: async (text) => {
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const [vec] = await embed([text]);
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return vec ?? [];
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},
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embedBatch: embed,
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},
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client,
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};
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}
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export async function resolveMistralEmbeddingClient(
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options: EmbeddingProviderOptions,
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): Promise<MistralEmbeddingClient> {
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const remote = options.remote;
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const remoteApiKey = remote?.apiKey?.trim();
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const remoteBaseUrl = remote?.baseUrl?.trim();
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const apiKey = remoteApiKey
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? remoteApiKey
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: requireApiKey(
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await resolveApiKeyForProvider({
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provider: "mistral",
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cfg: options.config,
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agentDir: options.agentDir,
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}),
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"mistral",
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);
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const providerConfig = options.config.models?.providers?.mistral;
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const baseUrl = remoteBaseUrl || providerConfig?.baseUrl?.trim() || DEFAULT_MISTRAL_BASE_URL;
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const headerOverrides = Object.assign({}, providerConfig?.headers, remote?.headers);
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const headers: Record<string, string> = {
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"Content-Type": "application/json",
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Authorization: `Bearer ${apiKey}`,
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...headerOverrides,
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};
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const model = normalizeMistralModel(options.model);
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return { baseUrl, headers, model };
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}
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