Agent Engineering
Cancel an In-Flight Claude Tool Call From the Browser
Wire AbortController from the browser into the Claude stream and your tools, cancel a run even after a reload, and clean up partial side effects safely.
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Wire AbortController from the browser into the Claude stream and your tools, cancel a run even after a reload, and clean up partial side effects safely.
Make a Claude turn survive a browser reload: server-side ring buffer keyed by message.id, the WHATWG Last-Event-ID header, and a Next.js App Router Route Handler that replays missed SSE frames in 180 ms. Measured June 2026 on claude-sonnet-4-6.