Method fetchModels

chat/api.js:64–110

()

function applyPdfFileParserPlugin(body, messages = []) {
    if (!hasPdfContent(messages)) return;
    body.plugins = [
        {
            id: 'file-parser',
            pdf: {
                engine: 'mistral-ocr'
            }
        }
    ];
}

export class OpenRouterAPI {
    constructor(options = {}) {
        this.options = options;
        this.networkTransport = options.networkTransport || networkProxy;
        this.baseUrl = 'https://openrouter.ai/api/v1';

        // Load display name overrides from centralized config
        const defaults = getDefaultModelConfig();
        this.displayNameOverrides = { ...defaults.displayNameOverrides };
    }


    // Request-scoped leases isolate concurrent title/completion calls. Products
    // own credential acquisition, budget policy and cleanup, not SSE parsing.
    async withRequestAccess(token, options, operation) {
        const access = this.options.acquireRequestAccess
            ? await this.options.acquireRequestAccess(token, options)
            : this.defaultRequestAccess(token);
        try {
            if (options.signal?.aborted) {
                const error = new DOMException('The operation was aborted.', 'AbortError');
                error.isCancelled = true;
                throw error;
            }
            const request = Object.create(this);
            request._requestAccess = access;
            request.baseUrl = access.baseUrl;
            return await operation(request, access.apiKey || token);
        } catch (error) {
            this.options.onRequestError?.(error);
            throw error;
        } finally {
            try {
                await access.release?.();
            } finally {
                // Refresh errors cannot turn a successful response into failure.
                try { await this.options.onRequestFinished?.(); } catch { /* best effort */ }
            }
        }
    }