Multiple edits should start from the bottom of a file in filesystem server

[phlax]

Describe the bug
A clear and concise description of what the bug is.

When editing, the assistant frequently tries to create multiple edits, but if an edit changes the line numbering all the subsequent edits fail, and then it iterates, re-reading, trying again, often deciding that it has to just rewrite the entire file, which can be slow

To Reproduce
Steps to reproduce the behavior:

1. Request a change with multiple edits to a single file where some will change the line numbering

Expected behavior
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multiple edits to work

Logs
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Additional context
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I have found that by telling the assistant to explicitly start from the bottom it mostly works

[sebastien-rosset]

Are you sure it's the line numbers? I've also had some issues where Claudes goes in a loop trying to edit files. However in most cases it's because the oldText does not match the exact content in the file. The edit_file tool does not take line numbers as input argument.

const EditOperation = z.object({
  oldText: z.string().describe('Text to search for - must match exactly'),
  newText: z.string().describe('Text to replace with')
});

[phlax]

im not sure of the cause/solution - im certain there is an issue tho - as it almost invariably fails if there is more than one edit (then tries again repeatedly before giving up and just writing the whole file)

i figured it was the line numbers simply because the few times i asked it to start from the bottom it seemed to work