Ajouter un adapter

import type { ProviderAdapter } from '../types';
import { http, need, poll, download } from '../http';

export const monProvider: ProviderAdapter = {
  meta: {
    id: 'mon-provider',
    label: 'Mon provider',
    description: 'Ce qu’il sait faire, en une phrase.',
    capabilities: ['IMAGE'],
    needsApiKey: true,
    presets: [
      {
        modelId: 'image-v1',
        label: 'Image v1',
        capability: 'IMAGE',
        modes: ['text-to-image'],
        pricing: { unit: 'image', usd: 0.03 },
      },
    ],
  },
  image: {
    async generate(cfg, req, ctx) {
      const key = need(cfg.apiKey, 'Clé API manquante.');
      const job = await http(
        'https://api.example.com/v1/images',
        { method: 'POST', headers: { Authorization: `Bearer ${key}` }, body: JSON.stringify({ prompt: req.prompt }) },
        ctx,
      );
      ctx.onExternalId?.(job.id);
      const done = await poll(async () => {
        const s = await http(`https://api.example.com/v1/images/${job.id}`, { headers: { Authorization: `Bearer ${key}` } }, ctx);
        return s.status === 'done' ? { done: true, value: s } : { done: false, progress: s.progress };
      }, ctx);
      return { outputs: [await download(done.url, {}, ctx)], usage: { units: 1, unit: 'image' } };
    },
  },
  async test(cfg) {
    await http('https://api.example.com/v1/me', { headers: { Authorization: `Bearer ${cfg.apiKey}` } });
    return { ok: true, message: 'Clé valide.' };
  },
};