Preserve fixed discussion turns after short chat history - #587

Complete .github/PULL_REQUEST_TEMPLATE.md in the PR description: Exact base ref is stale: expected 0daf6e36c1f17f651638f0e4efa43e67b09fc3ab; Exact head ref is stale: expected 2fd0f4f88c571ecdbaec82d883a312b5aa7c97a2

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