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fix(gitlab-duo): use Responses API for all GPT models
Ensures consistent tool call ID format when switching between models.
This commit is contained in:
Mario Zechner
parent
758baa9fec
commit
7019fdb92b
2 changed files with 138 additions and 59 deletions
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@ -1,6 +1,11 @@
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/**
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* Test script for GitLab Duo - full streaming flow
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* Run: npx tsx test.ts
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* Run: npx tsx test.ts [model-id]
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*
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* Examples:
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* npx tsx test.ts # Test default (duo-chat-sonnet-4-5)
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* npx tsx test.ts duo-chat-gpt-5-codex # Test GPT-5 Codex (Responses API)
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* npx tsx test.ts duo-chat-gpt-5-1 # Test GPT-5.1 (Chat Completions API)
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*/
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import {
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@ -27,32 +32,80 @@ const ANTHROPIC_PROXY_URL = `${AI_GATEWAY_URL}/ai/v1/proxy/anthropic/`;
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const OPENAI_PROXY_URL = `${AI_GATEWAY_URL}/ai/v1/proxy/openai/v1`;
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const DIRECT_ACCESS_TTL = 25 * 60 * 1000;
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const MODEL_MAPPINGS: Record<
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type OpenAIApi = "openai-completions" | "openai-responses";
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const MODEL_MAPPINGS: Record<string, { api: "anthropic-messages" | OpenAIApi; backendModel: string; baseUrl: string }> =
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{
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"duo-chat-opus-4-5": {
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api: "anthropic-messages",
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backendModel: "claude-opus-4-5-20251101",
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baseUrl: ANTHROPIC_PROXY_URL,
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},
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"duo-chat-sonnet-4-5": {
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api: "anthropic-messages",
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backendModel: "claude-sonnet-4-5-20250929",
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baseUrl: ANTHROPIC_PROXY_URL,
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},
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"duo-chat-haiku-4-5": {
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api: "anthropic-messages",
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backendModel: "claude-haiku-4-5-20251001",
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baseUrl: ANTHROPIC_PROXY_URL,
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},
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// All GPT models use Responses API for consistent tool call ID format across model switches
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"duo-chat-gpt-5-1": { api: "openai-responses", backendModel: "gpt-5.1-2025-11-13", baseUrl: OPENAI_PROXY_URL },
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"duo-chat-gpt-5-mini": {
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api: "openai-responses",
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backendModel: "gpt-5-mini-2025-08-07",
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baseUrl: OPENAI_PROXY_URL,
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},
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"duo-chat-gpt-5-codex": { api: "openai-responses", backendModel: "gpt-5-codex", baseUrl: OPENAI_PROXY_URL },
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};
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// Model definitions for cost tracking
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const MODEL_DEFS: Record<
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string,
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{ api: "anthropic-messages" | "openai-completions"; backendModel: string; baseUrl: string }
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{
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name: string;
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cost: { input: number; output: number; cacheRead: number; cacheWrite: number };
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contextWindow: number;
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maxTokens: number;
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}
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> = {
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"duo-chat-opus-4-5": {
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api: "anthropic-messages",
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backendModel: "claude-opus-4-5-20251101",
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baseUrl: ANTHROPIC_PROXY_URL,
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name: "GitLab Duo Claude Opus 4.5",
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cost: { input: 15, output: 75, cacheRead: 1.5, cacheWrite: 18.75 },
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contextWindow: 200000,
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maxTokens: 32000,
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},
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"duo-chat-sonnet-4-5": {
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api: "anthropic-messages",
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backendModel: "claude-sonnet-4-5-20250929",
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baseUrl: ANTHROPIC_PROXY_URL,
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name: "GitLab Duo Claude Sonnet 4.5",
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cost: { input: 3, output: 15, cacheRead: 0.3, cacheWrite: 3.75 },
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contextWindow: 200000,
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maxTokens: 16384,
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},
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"duo-chat-haiku-4-5": {
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api: "anthropic-messages",
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backendModel: "claude-haiku-4-5-20251001",
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baseUrl: ANTHROPIC_PROXY_URL,
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name: "GitLab Duo Claude Haiku 4.5",
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cost: { input: 1, output: 5, cacheRead: 0.1, cacheWrite: 1.25 },
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contextWindow: 200000,
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maxTokens: 8192,
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},
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"duo-chat-gpt-5-1": {
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name: "GitLab Duo GPT-5.1",
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cost: { input: 2.5, output: 10, cacheRead: 0, cacheWrite: 0 },
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contextWindow: 128000,
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maxTokens: 16384,
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},
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"duo-chat-gpt-5-1": { api: "openai-completions", backendModel: "gpt-5.1-2025-11-13", baseUrl: OPENAI_PROXY_URL },
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"duo-chat-gpt-5-mini": {
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api: "openai-completions",
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backendModel: "gpt-5-mini-2025-08-07",
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baseUrl: OPENAI_PROXY_URL,
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name: "GitLab Duo GPT-5 Mini",
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cost: { input: 0.15, output: 0.6, cacheRead: 0, cacheWrite: 0 },
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contextWindow: 128000,
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maxTokens: 16384,
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},
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"duo-chat-gpt-5-codex": {
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name: "GitLab Duo GPT-5 Codex",
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cost: { input: 2.5, output: 10, cacheRead: 0, cacheWrite: 0 },
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contextWindow: 128000,
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maxTokens: 16384,
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},
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"duo-chat-gpt-5-codex": { api: "openai-completions", backendModel: "gpt-5-codex", baseUrl: OPENAI_PROXY_URL },
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};
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// =============================================================================
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@ -92,8 +145,6 @@ async function getDirectAccessToken(gitlabAccessToken: string): Promise<DirectAc
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const data = (await response.json()) as { token: string; headers: Record<string, string> };
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console.log("Got direct access token");
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console.log("Token type:", data.token?.substring(0, 10));
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console.log("Headers received:", JSON.stringify(data.headers, null, 2));
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cachedDirectAccess = {
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token: data.token,
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headers: data.headers,
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@ -119,7 +170,6 @@ function streamGitLabDuo(
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console.log("streamGitLabDuo called");
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console.log(" model.id:", model.id);
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console.log(" options.apiKey present:", !!gitlabAccessToken);
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console.log(" options.apiKey (first 20):", `${gitlabAccessToken?.substring(0, 20)}...`);
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if (!gitlabAccessToken) {
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throw new Error("No GitLab access token provided in options.apiKey");
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@ -137,10 +187,9 @@ function streamGitLabDuo(
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id: mapping.backendModel,
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api: mapping.api,
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baseUrl: mapping.baseUrl,
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headers: directAccess.headers,
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};
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// Merge GitLab headers with Authorization
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// Merge GitLab headers with Authorization bearer token
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const headers = {
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...directAccess.headers,
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Authorization: `Bearer ${directAccess.token}`,
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@ -150,12 +199,11 @@ function streamGitLabDuo(
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console.log(" proxyModel.id:", proxyModel.id);
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console.log(" proxyModel.api:", proxyModel.api);
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console.log(" proxyModel.baseUrl:", proxyModel.baseUrl);
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console.log(" headers keys:", Object.keys(headers));
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// Delegate to pi-ai's built-in streaming with headers (not apiKey)
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// Delegate to pi-ai's built-in streaming
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const innerStream = streamSimple(proxyModel, context, {
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...options,
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apiKey: "dummy", // Need something to pass the "no api key" check
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apiKey: "gitlab-duo", // Dummy value to pass validation
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headers,
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});
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@ -226,6 +274,14 @@ interface AuthData {
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}
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async function main() {
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const modelId = process.argv[2] || "duo-chat-sonnet-4-5";
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if (!MODEL_MAPPINGS[modelId]) {
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console.error(`Unknown model: ${modelId}`);
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console.error("Available models:", Object.keys(MODEL_MAPPINGS).join(", "));
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process.exit(1);
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}
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// Read auth.json
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const authPath = join(homedir(), ".pi", "agent", "auth.json");
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console.log("Reading auth from:", authPath);
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@ -256,17 +312,21 @@ async function main() {
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});
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// Create a test model
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const modelDef = MODEL_DEFS[modelId];
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const mapping = MODEL_MAPPINGS[modelId];
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// Enable reasoning for Anthropic models
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const supportsReasoning = mapping.api === "anthropic-messages";
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const testModel: Model<Api> = {
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id: "duo-chat-sonnet-4-5",
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name: "GitLab Duo Claude Sonnet 4.5",
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id: modelId,
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name: modelDef.name,
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api: "gitlab-duo-api" as Api,
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provider: "gitlab-duo",
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baseUrl: AI_GATEWAY_URL,
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reasoning: false,
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reasoning: supportsReasoning,
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input: ["text"],
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cost: { input: 3, output: 15, cacheRead: 0.3, cacheWrite: 3.75 },
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contextWindow: 200000,
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maxTokens: 16384,
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cost: modelDef.cost,
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contextWindow: modelDef.contextWindow,
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maxTokens: modelDef.maxTokens,
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};
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// Create test context
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@ -274,8 +334,17 @@ async function main() {
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messages: [{ role: "user", content: "Say hello in exactly 3 words.", timestamp: Date.now() }],
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};
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// Check for --thinking flag
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const useThinking = process.argv.includes("--thinking");
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console.log("\nStarting stream test...");
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console.log("Model:", testModel.id);
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console.log("Backend:", MODEL_MAPPINGS[modelId].backendModel);
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console.log("API:", MODEL_MAPPINGS[modelId].api);
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console.log(
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"Reasoning:",
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supportsReasoning ? (useThinking ? "enabled" : "supported but not enabled") : "not supported",
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);
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console.log("Prompt:", context.messages[0].content);
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console.log("");
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@ -283,11 +352,21 @@ async function main() {
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const stream = streamSimple(testModel, context, {
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apiKey: gitlabAccessToken,
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maxTokens: 100,
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reasoning: useThinking && supportsReasoning ? "low" : undefined,
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});
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// Consume the stream
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let inThinking = false;
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for await (const event of stream) {
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if (event.type === "text_delta") {
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if (event.type === "thinking_start") {
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inThinking = true;
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console.log("[Thinking]");
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} else if (event.type === "thinking_delta") {
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process.stdout.write(event.delta);
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} else if (event.type === "thinking_end") {
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inThinking = false;
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console.log("\n[/Thinking]\n");
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} else if (event.type === "text_delta") {
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process.stdout.write(event.delta);
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} else if (event.type === "error") {
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console.error("\nError:", event.error.errorMessage);
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