Class OpenRouterAPI

chat/api.js:46–1197

// Example:
// const getSystemPrompt = () => `You are a helpful AI assistant.

function hasPdfContent(messages = []) {
    return messages.some((message) => {
        if (!Array.isArray(message?.content)) return false;
        return message.content.some((part) => {
            const filename = part?.file?.filename || '';
            const fileData = part?.file?.file_data || '';
            return part?.type === 'file' && (
                /\.pdf$/i.test(filename) ||
                (typeof fileData === 'string' && fileData.startsWith('data:application/pdf'))
            );
        });
    });
}

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

class OpenRouterAPI {
    constructor() {
        this.baseUrl = 'https://openrouter.ai/api/v1';

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

    // Get API key - only use ticket-based key
    getApiKey() {
        const key = apiKeyStore.getApiKey();
        if (!key) return null;
        if (apiKeyStore.isExpired()) return null;
        return key;
    }

    getCachedModels() {
        const cachedModels = loadModelCatalog(OPENROUTER_BACKEND_ID);
        if (!Array.isArray(cachedModels)) {
            return [];
        }
        return normalizeOpenRouterModelProviders(cachedModels).map(model => ({
            ...model,
            name: this.getDisplayName(model.id, model.name, model.provider)
        }));
    }

    // Fetch available models from OpenRouter
    async fetchModels() {
        const url = `${this.baseUrl}/models`;