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Kiyeon Jeon
bc20b87b9a
The producer's probe stage launches Chromium when Plan has to resolve browser-only data: root duration unknown, unresolved sub-compositions, or data-hf-auto-start media. Only handleRenderChunk was setting PRODUCER_HEADLESS_SHELL_PATH, so a cold Plan invocation launched puppeteer-core with no executablePath and failed before writing plan.tar.gz. Mirror the renderChunk env-var guard inside handlePlan so the bundled Sparticuz binary gets resolved on the first Plan invocation and reused on warm starts. The skipChromeResolution dep stays honored for SAM-local RIE smokes. A warm Lambda environment can mask this only if it previously served a renderChunk from another execution and left the env var sticky. Within a single Step Functions execution, Plan still runs before RenderChunks. A new dispatch test exercises the guard path by pre-seeding PRODUCER_HEADLESS_SHELL_PATH and asserting Plan does not overwrite it.