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miga-heygenandClaude Opus 4.6
546b2d770b
* fix(producer): retry probe stage on transient browser errors (#1687) The distributed render plan stage crashes when headless Chrome encounters a transient frame detachment ("Navigating frame was detached") during browser probe, with no retry logic. The plan tarball is never uploaded, and all downstream chunk workers fail with S3 404. Add a retry-with-fresh-session mechanism to the probe stage: - `isTransientBrowserError()` classifier in the engine identifies 9 known transient Puppeteer/Chrome errors (frame detached, target closed, session closed, protocol error, page crashed, execution context destroyed, etc.). - `runProbeStage()` wraps browser session creation + initialization in a retry loop (max 2 attempts). On transient error: logs structured diagnostics (attempt, isTransient, error message, elapsed time), closes the crashed session cleanly, creates a fresh browser, and retries. Non- transient errors throw immediately without consuming retry budget. - 17 unit tests for the error classifier, 3 integration tests for retry behavior (successful retry, immediate throw on non-transient, exhaust retry budget on persistent transient). Closes #1687 Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com> * fix: address review feedback — widen retry scope, deduplicate patterns - Move createCaptureSession inside the retry try/catch so browser launch failures (Failed to launch the browser process, ECONNREFUSED) are also retried — not just initializeSession errors. - Deduplicate transient error patterns: remove "Protocol error.*Target closed" (subsumed by "Target closed") and "Navigation failed because browser has disconnected" (subsumed by "browser has disconnected"). - Add browser launch failure patterns: "Failed to launch the browser process" and "ECONNREFUSED". - Add test for createCaptureSession transient throw (browser launch retry). - Update test mock comment to document sync requirement with engine pattern list. Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com> --------- Co-authored-by: Claude Opus 4.6 (1M context) <noreply@anthropic.com>