Timmy
f8f01c4b2e
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59 lines
2.1 KiB
JavaScript
59 lines
2.1 KiB
JavaScript
const PROFILES = {
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hosted: {
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baseUrl: 'http://127.0.0.1:8645/v1',
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apiKey: 'local-proxy',
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model: 'stepfun/step-3.7-flash:free',
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processor: 'third-party',
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},
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selfhost: {
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baseUrl: 'http://127.0.0.1:8080/v1',
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apiKey: 'local-selfhost',
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model: 'SmolVLM2-2.2B-Instruct',
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processor: 'self-hosted',
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},
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};
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export function resolveVisionConfig(env = process.env) {
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const profile = env.TIMMY_VISION_PROFILE || 'hosted';
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if (!PROFILES[profile]) throw new Error('TIMMY_VISION_PROFILE must be hosted or selfhost.');
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const defaults = PROFILES[profile];
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const config = {
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enabled: !['0', 'false'].includes(String(env.TIMMY_VISION_ENABLED || '').toLowerCase()),
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profile,
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processor: defaults.processor,
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baseUrl: env.TIMMY_VISION_BASE_URL || defaults.baseUrl,
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apiKey: env.TIMMY_VISION_API_KEY || defaults.apiKey,
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model: env.TIMMY_VISION_MODEL || defaults.model,
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requestTimeoutMs: Number(env.TIMMY_VISION_TIMEOUT_MS || (profile === 'selfhost' ? 120_000 : 60_000)),
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};
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config.publicStatus = () => ({
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enabled: config.enabled,
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profile: config.profile,
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processor: config.processor,
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model: config.enabled ? config.model : null,
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});
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return config;
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}
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function modelsEndpoint(baseUrl) {
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const url = new URL(baseUrl);
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if (!['http:', 'https:'].includes(url.protocol)) throw new Error('Invalid AI provider URL.');
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return `${url.toString().replace(/\/$/, '')}/models`;
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}
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export async function probeVisionProvider(config, fetchImpl = fetch) {
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if (!config.enabled) return { ready: false, modelSeen: false };
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try {
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const response = await fetchImpl(modelsEndpoint(config.baseUrl), {
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headers: { authorization: `Bearer ${config.apiKey}` },
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signal: AbortSignal.timeout(2_000),
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});
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if (!response.ok) return { ready: false, modelSeen: false };
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const body = await response.json();
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const ids = Array.isArray(body?.data) ? body.data.map(item => item?.id).filter(Boolean) : [];
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return { ready: ids.length > 0, modelSeen: ids.some(id => id === config.model || id.includes(config.model)) };
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} catch {
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return { ready: false, modelSeen: false };
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}
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}
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