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348 lines
16 KiB
TypeScript
348 lines
16 KiB
TypeScript
import { OpenAIProvider } from './providers/openai';
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import { OllamaProvider } from './providers/ollama';
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import { CustomOpenAIProvider } from './providers/custom-openai';
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import { AnthropicProvider } from './providers/anthropic';
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import { GoogleProvider } from './providers/google';
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import { AIProvider } from './types';
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type ProviderType =
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| 'ollama'
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| 'openai'
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| 'google'
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| 'minimax'
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| 'glm'
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| 'custom'
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| 'deepseek'
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| 'openrouter'
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| 'mistral'
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| 'zai'
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| 'lmstudio'
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| 'anthropic'
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| 'anthropic_custom';
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// --- Provider defaults ---
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const PROVIDER_DEFAULTS: Record<string, { baseUrl: string; model: string; embeddingModel: string }> = {
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deepseek: {
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baseUrl: 'https://api.deepseek.com/v1',
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model: 'deepseek-chat',
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embeddingModel: '',
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},
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openrouter: {
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baseUrl: 'https://openrouter.ai/api/v1',
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model: 'openai/gpt-4o-mini',
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embeddingModel: 'openai/text-embedding-3-small',
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},
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mistral: {
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baseUrl: 'https://api.mistral.ai/v1',
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model: 'mistral-small-latest',
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embeddingModel: 'mistral-embed',
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},
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zai: {
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baseUrl: 'https://api.zukijourney.com/v1',
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model: 'gpt-4o-mini',
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embeddingModel: 'text-embedding-3-small',
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},
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lmstudio: {
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baseUrl: 'http://localhost:1234/v1',
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model: '',
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embeddingModel: '',
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},
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google: {
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baseUrl: '',
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model: 'gemini-1.5-flash',
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embeddingModel: 'text-embedding-004',
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},
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minimax: {
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baseUrl: 'https://api.minimax.io/v1',
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model: 'abab6.5-chat',
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embeddingModel: '',
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},
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glm: {
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baseUrl: 'https://open.bigmodel.ai/api/paas/v4',
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model: 'glm-4',
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embeddingModel: 'embedding-2',
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},
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};
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function createOllamaProvider(config: Record<string, string>, modelName: string, embeddingModelName: string, baseUrlOverride?: string): OllamaProvider {
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let baseUrl = baseUrlOverride || config?.OLLAMA_BASE_URL || process.env.OLLAMA_BASE_URL
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// Only use localhost as fallback for local development (not in Docker)
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if (!baseUrl && process.env.NODE_ENV !== 'production') {
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baseUrl = 'http://localhost:11434'
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}
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if (!baseUrl) {
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throw new Error('OLLAMA_BASE_URL is required when using Ollama provider')
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}
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// Ensure baseUrl doesn't end with /api, we'll add it in OllamaProvider
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if (baseUrl.endsWith('/api')) {
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baseUrl = baseUrl.slice(0, -4);
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}
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return new OllamaProvider(baseUrl, modelName, embeddingModelName);
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}
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function createOpenAIProvider(config: Record<string, string>, modelName: string, embeddingModelName: string): OpenAIProvider {
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const apiKey = config?.OPENAI_API_KEY || process.env.OPENAI_API_KEY || '';
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if (!apiKey) {
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throw new Error('OPENAI_API_KEY is required when using OpenAI provider');
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}
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return new OpenAIProvider(apiKey, modelName, embeddingModelName);
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}
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function createCustomOpenAIProvider(config: Record<string, string>, modelName: string, embeddingModelName: string): CustomOpenAIProvider {
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const apiKey = config?.CUSTOM_OPENAI_API_KEY || process.env.CUSTOM_OPENAI_API_KEY || '';
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const baseUrl = config?.CUSTOM_OPENAI_BASE_URL || process.env.CUSTOM_OPENAI_BASE_URL || '';
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if (!apiKey) {
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throw new Error('CUSTOM_OPENAI_API_KEY is required when using Custom OpenAI provider');
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}
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if (!baseUrl) {
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throw new Error('CUSTOM_OPENAI_BASE_URL is required when using Custom OpenAI provider');
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}
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return new CustomOpenAIProvider(apiKey, baseUrl, modelName, embeddingModelName);
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}
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function createDeepSeekProvider(config: Record<string, string>, modelName: string, embeddingModelName: string): CustomOpenAIProvider {
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const apiKey = config?.DEEPSEEK_API_KEY || process.env.DEEPSEEK_API_KEY || '';
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if (!apiKey) throw new Error('DEEPSEEK_API_KEY is required when using DeepSeek provider');
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const defaults = PROVIDER_DEFAULTS.deepseek;
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return new CustomOpenAIProvider(apiKey, defaults.baseUrl, modelName || defaults.model, embeddingModelName || defaults.embeddingModel);
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}
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function createOpenRouterProvider(config: Record<string, string>, modelName: string, embeddingModelName: string): CustomOpenAIProvider {
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const apiKey = config?.OPENROUTER_API_KEY || process.env.OPENROUTER_API_KEY || config?.CUSTOM_OPENAI_API_KEY || process.env.CUSTOM_OPENAI_API_KEY || '';
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if (!apiKey) throw new Error('OPENROUTER_API_KEY is required when using OpenRouter provider');
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const defaults = PROVIDER_DEFAULTS.openrouter;
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return new CustomOpenAIProvider(apiKey, defaults.baseUrl, modelName || defaults.model, embeddingModelName || defaults.embeddingModel);
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}
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function createMistralProvider(config: Record<string, string>, modelName: string, embeddingModelName: string): CustomOpenAIProvider {
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const apiKey = config?.MISTRAL_API_KEY || process.env.MISTRAL_API_KEY || '';
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if (!apiKey) throw new Error('MISTRAL_API_KEY is required when using Mistral provider');
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const defaults = PROVIDER_DEFAULTS.mistral;
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return new CustomOpenAIProvider(apiKey, defaults.baseUrl, modelName || defaults.model, embeddingModelName || defaults.embeddingModel);
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}
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function createZAIProvider(config: Record<string, string>, modelName: string, embeddingModelName: string): CustomOpenAIProvider {
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const apiKey = config?.ZAI_API_KEY || process.env.ZAI_API_KEY || '';
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if (!apiKey) throw new Error('ZAI_API_KEY is required when using Z.AI provider');
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const defaults = PROVIDER_DEFAULTS.zai;
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return new CustomOpenAIProvider(apiKey, defaults.baseUrl, modelName || defaults.model, embeddingModelName || defaults.embeddingModel);
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}
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function createLMStudioProvider(config: Record<string, string>, modelName: string, embeddingModelName: string): CustomOpenAIProvider {
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const baseUrl = config?.LMSTUDIO_BASE_URL || process.env.LMSTUDIO_BASE_URL || PROVIDER_DEFAULTS.lmstudio.baseUrl;
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// LM Studio doesn't require an API key, but the CustomOpenAI provider needs one
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// Use a dummy key if not provided
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const apiKey = config?.LMSTUDIO_API_KEY || process.env.LMSTUDIO_API_KEY || 'lm-studio';
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return new CustomOpenAIProvider(apiKey, baseUrl, modelName, embeddingModelName);
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}
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function createAnthropicProvider(config: Record<string, string>, modelName: string): AnthropicProvider {
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const apiKey = config?.ANTHROPIC_API_KEY || process.env.ANTHROPIC_API_KEY || '';
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if (!apiKey) {
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throw new Error('ANTHROPIC_API_KEY is required when using Anthropic provider');
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}
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return new AnthropicProvider(apiKey, modelName || 'claude-sonnet-4-20250514');
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}
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/**
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* Passerelles compatibles **Anthropic Messages API** (ex. MiniMax), pas OpenAI.
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* Le SDK envoie les requêtes vers `{baseURL}/messages` avec l’en-tête `x-api-key`.
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*/
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function createAnthropicCustomProvider(config: Record<string, string>, modelName: string): AnthropicProvider {
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const apiKey = config?.ANTHROPIC_CUSTOM_API_KEY || process.env.ANTHROPIC_CUSTOM_API_KEY || '';
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const baseUrl = config?.ANTHROPIC_CUSTOM_BASE_URL || process.env.ANTHROPIC_CUSTOM_BASE_URL || '';
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if (!apiKey) {
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throw new Error('ANTHROPIC_CUSTOM_API_KEY is required when using Anthropic Custom provider');
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}
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if (!baseUrl) {
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throw new Error('ANTHROPIC_CUSTOM_BASE_URL is required when using Anthropic Custom provider');
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}
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const resolvedModel =
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modelName && modelName.trim() !== '' ? modelName.trim() : 'MiniMax-M2.7';
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return new AnthropicProvider(apiKey, resolvedModel, baseUrl.trim());
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}
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function createGoogleProvider(config: Record<string, string>, modelName: string, embeddingModelName: string): GoogleProvider {
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const apiKey = config?.GOOGLE_GENERATIVE_AI_API_KEY || process.env.GOOGLE_GENERATIVE_AI_API_KEY || '';
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if (!apiKey) throw new Error('GOOGLE_GENERATIVE_AI_API_KEY is required when using Google provider');
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return new GoogleProvider(apiKey, modelName || PROVIDER_DEFAULTS.google.model, embeddingModelName || PROVIDER_DEFAULTS.google.embeddingModel);
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}
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function createMiniMaxProvider(config: Record<string, string>, modelName: string, embeddingModelName: string): CustomOpenAIProvider {
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const apiKey = config?.MINIMAX_API_KEY || process.env.MINIMAX_API_KEY || '';
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if (!apiKey) throw new Error('MINIMAX_API_KEY is required when using MiniMax provider');
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const defaults = PROVIDER_DEFAULTS.minimax;
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return new CustomOpenAIProvider(apiKey, defaults.baseUrl, modelName || defaults.model, embeddingModelName || defaults.embeddingModel);
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}
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function createGLMProvider(config: Record<string, string>, modelName: string, embeddingModelName: string): CustomOpenAIProvider {
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const apiKey = config?.GLM_API_KEY || process.env.GLM_API_KEY || '';
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if (!apiKey) throw new Error('GLM_API_KEY is required when using GLM provider');
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const defaults = PROVIDER_DEFAULTS.glm;
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return new CustomOpenAIProvider(apiKey, defaults.baseUrl, modelName || defaults.model, embeddingModelName || defaults.embeddingModel);
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}
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function getProviderInstance(providerType: ProviderType, config: Record<string, string>, modelName: string, embeddingModelName: string, ollamaBaseUrl?: string): AIProvider {
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switch (providerType) {
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case 'ollama':
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return createOllamaProvider(config, modelName, embeddingModelName, ollamaBaseUrl);
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case 'openai':
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return createOpenAIProvider(config, modelName, embeddingModelName);
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case 'custom':
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return createCustomOpenAIProvider(config, modelName, embeddingModelName);
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case 'deepseek':
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return createDeepSeekProvider(config, modelName, embeddingModelName);
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case 'openrouter':
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return createOpenRouterProvider(config, modelName, embeddingModelName);
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case 'mistral':
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return createMistralProvider(config, modelName, embeddingModelName);
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case 'zai':
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return createZAIProvider(config, modelName, embeddingModelName);
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case 'lmstudio':
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return createLMStudioProvider(config, modelName, embeddingModelName);
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case 'anthropic':
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return createAnthropicProvider(config, modelName);
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case 'anthropic_custom':
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return createAnthropicCustomProvider(config, modelName);
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case 'google':
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return createGoogleProvider(config, modelName, embeddingModelName);
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case 'minimax':
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return createMiniMaxProvider(config, modelName, embeddingModelName);
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case 'glm':
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return createGLMProvider(config, modelName, embeddingModelName);
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default:
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return createOllamaProvider(config, modelName, embeddingModelName, ollamaBaseUrl);
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}
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}
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// Resolve the effective provider type and config keys for a given provider
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// Returns { providerType, apiKeyConfigKey, baseUrlConfigKey }
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function getProviderConfigKeys(providerType: string): { apiKeyConfigKey: string; baseUrlConfigKey: string } {
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switch (providerType) {
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case 'deepseek': return { apiKeyConfigKey: 'DEEPSEEK_API_KEY', baseUrlConfigKey: '' };
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case 'openrouter': return { apiKeyConfigKey: 'OPENROUTER_API_KEY', baseUrlConfigKey: '' };
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case 'mistral': return { apiKeyConfigKey: 'MISTRAL_API_KEY', baseUrlConfigKey: '' };
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case 'zai': return { apiKeyConfigKey: 'ZAI_API_KEY', baseUrlConfigKey: '' };
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case 'lmstudio': return { apiKeyConfigKey: 'LMSTUDIO_API_KEY', baseUrlConfigKey: 'LMSTUDIO_BASE_URL' };
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case 'openai': return { apiKeyConfigKey: 'OPENAI_API_KEY', baseUrlConfigKey: '' };
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case 'anthropic': return { apiKeyConfigKey: 'ANTHROPIC_API_KEY', baseUrlConfigKey: '' };
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case 'anthropic_custom':
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return { apiKeyConfigKey: 'ANTHROPIC_CUSTOM_API_KEY', baseUrlConfigKey: 'ANTHROPIC_CUSTOM_BASE_URL' };
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case 'google': return { apiKeyConfigKey: 'GOOGLE_GENERATIVE_AI_API_KEY', baseUrlConfigKey: '' };
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case 'minimax': return { apiKeyConfigKey: 'MINIMAX_API_KEY', baseUrlConfigKey: '' };
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case 'glm': return { apiKeyConfigKey: 'GLM_API_KEY', baseUrlConfigKey: '' };
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case 'custom': return { apiKeyConfigKey: 'CUSTOM_OPENAI_API_KEY', baseUrlConfigKey: 'CUSTOM_OPENAI_BASE_URL' };
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default: return { apiKeyConfigKey: '', baseUrlConfigKey: 'OLLAMA_BASE_URL' };
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}
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}
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export function getTagsProvider(config?: Record<string, string>): AIProvider {
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const providerType = (
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config?.AI_PROVIDER_TAGS ||
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config?.AI_PROVIDER_EMBEDDING ||
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config?.AI_PROVIDER ||
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process.env.AI_PROVIDER_TAGS ||
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process.env.AI_PROVIDER_EMBEDDING ||
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process.env.AI_PROVIDER
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);
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if (!providerType) {
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console.error('[getTagsProvider] FATAL: No provider configured. Config received:', config);
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throw new Error(
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'AI_PROVIDER_TAGS is not configured. Please set it in the admin settings or environment variables. ' +
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'Options: ollama, openai, anthropic, anthropic_custom, deepseek, openrouter, mistral, zai, lmstudio, custom'
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);
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}
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const provider = providerType.toLowerCase() as ProviderType;
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const modelName = config?.AI_MODEL_TAGS || process.env.AI_MODEL_TAGS || 'granite4:latest';
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const embeddingModelName = config?.AI_MODEL_EMBEDDING || process.env.AI_MODEL_EMBEDDING || 'embeddinggemma:latest';
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const ollamaBaseUrl = config?.OLLAMA_BASE_URL_TAGS || config?.OLLAMA_BASE_URL;
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return getProviderInstance(provider, config || {}, modelName, embeddingModelName, ollamaBaseUrl);
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}
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export function getEmbeddingsProvider(config?: Record<string, string>): AIProvider {
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const providerType = (
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config?.AI_PROVIDER_EMBEDDING ||
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config?.AI_PROVIDER_TAGS ||
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config?.AI_PROVIDER ||
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process.env.AI_PROVIDER_EMBEDDING ||
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process.env.AI_PROVIDER_TAGS ||
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process.env.AI_PROVIDER
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);
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if (!providerType) {
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console.error('[getEmbeddingsProvider] FATAL: No provider configured. Config received:', config);
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throw new Error(
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'AI_PROVIDER_EMBEDDING is not configured. Please set it in the admin settings or environment variables. ' +
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'Options: ollama, openai, deepseek, openrouter, mistral, zai, lmstudio, custom'
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);
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}
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const provider = providerType.toLowerCase() as ProviderType;
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if (provider === 'anthropic' || provider === 'anthropic_custom') {
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throw new Error(
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'AI_PROVIDER_EMBEDDING cannot use "anthropic" or "anthropic_custom": these gateways use the Anthropic Messages API only (no embeddings in Memento). Use ollama, openai, or "custom" with MiniMax OpenAI URL https://api.minimax.io/v1 for embeddings.'
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);
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}
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const modelName = config?.AI_MODEL_TAGS || process.env.AI_MODEL_TAGS || 'granite4:latest';
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const embeddingModelName = config?.AI_MODEL_EMBEDDING || process.env.AI_MODEL_EMBEDDING || 'embeddinggemma:latest';
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const ollamaBaseUrl = config?.OLLAMA_BASE_URL_EMBEDDING || config?.OLLAMA_BASE_URL;
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return getProviderInstance(provider, config || {}, modelName, embeddingModelName, ollamaBaseUrl);
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}
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export function getAIProvider(config?: Record<string, string>): AIProvider {
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return getEmbeddingsProvider(config);
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}
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export function getChatProvider(config?: Record<string, string>): AIProvider {
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const providerType = (
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config?.AI_PROVIDER_CHAT ||
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config?.AI_PROVIDER_TAGS ||
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config?.AI_PROVIDER_EMBEDDING ||
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config?.AI_PROVIDER ||
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process.env.AI_PROVIDER_CHAT ||
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process.env.AI_PROVIDER_TAGS ||
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process.env.AI_PROVIDER_EMBEDDING ||
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process.env.AI_PROVIDER
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);
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if (!providerType) {
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console.error('[getChatProvider] FATAL: No provider configured. Config received:', config);
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throw new Error(
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'AI_PROVIDER_CHAT is not configured. Please set it in the admin settings or environment variables. ' +
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'Options: ollama, openai, anthropic, anthropic_custom, deepseek, openrouter, mistral, zai, lmstudio, custom'
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);
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}
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const provider = providerType.toLowerCase() as ProviderType;
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const modelName = (
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config?.AI_MODEL_CHAT ||
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process.env.AI_MODEL_CHAT ||
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'granite4:latest'
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);
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const embeddingModelName = config?.AI_MODEL_EMBEDDING || process.env.AI_MODEL_EMBEDDING || 'embeddinggemma:latest';
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const ollamaBaseUrl = config?.OLLAMA_BASE_URL_CHAT || config?.OLLAMA_BASE_URL_TAGS || config?.OLLAMA_BASE_URL_EMBEDDING || config?.OLLAMA_BASE_URL;
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return getProviderInstance(provider, config || {}, modelName, embeddingModelName, ollamaBaseUrl);
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}
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// Export for use by admin settings form and deploy scripts
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export { PROVIDER_DEFAULTS, getProviderConfigKeys };
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