Three documentation checks before opening a pull request

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When preparing a pull request with new code, updating documentation often gets delayed until review comments point out what is missing. A simple three-step check before opening the pull request keeps docs accurate and saves review cycles. Code snippets in README files and docs folders get outdated quickly when function signatures or configuration options change. Copy every command or snippet directly from the doc into a clean terminal or test script to confirm it runs without errors. If your pull request introduces, renames, or deprecates an environment variable or setting, verify that your co

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