Add OpenRouter samples: prompt batch and budget gate - #366
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Call OpenRouter from Activities with Temporal-owned retries, error classification, Retry-After handling, heartbeats, and OpenRouter response caching so a retried request is billed at zero. The budget_gate sample pauses the batch on a soft budget or on OpenRouter's 402 and resumes on a raise_budget Update. Also adds OpenRouter as a model provider for the OpenAI Agents SDK plugin sample.
This was referenced Sep 11, 2026
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Adds an
openroutersample with two scenarios, plus OpenRouter as a model provider for the OpenAI Agents SDK sample.prompt_batch fans one Activity out per prompt with OpenRouter's Auto Router and returns answer, model, and reported cost per prompt. The Activity uses the
openaiclient pointed at OpenRouter withmax_retries=0, classifies 4xx as non-retryable and 408/429/5xx as retryable, passesRetry-Afterthrough asnext_retry_delay, heartbeats, and sendsX-OpenRouter-Cache: trueso a retried identical request is served from OpenRouter's cache at $0. A--fail-onceflag demonstrates that.budget_gate is the same batch, but it pauses on a soft budget or on OpenRouter's 402 and resumes on a
raise_budgetUpdate, with aspend_reportQuery.Tests use
httpx.MockTransportand a fake Activity; no API key needed. Verified live against OpenRouter, including a cache hit at $0 on retry.Docs page: temporalio/documentation#5307. TypeScript port: temporalio/samples-typescript#520.