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Yes I understand, but do you not have issues that it drifts out of date and confuses the agents (especially on longer running tasks)?

Like even "full" Visual Studio and Resharper have issues with this. Eg, you start editing file x, 'intellisense' runs, says there are loads of errors... because you haven't finished editing yet.

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same issue from the other side. when a human is editing, the LSP fires mid-keystroke and shows bogus errors for a second, whatever. with an agent doing 5 edits in a row, the symbol DB is always behind by one edit, so the next lookup pulls stale references. you can re-index synchronously after each edit but that kills the batching speed.

It does a before/after comparison. Fetch the LSP error state, apply all edits, fetch it again, diff

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