Issue: FileWriteToolkit lacks read and edit capabilities, hindering dynamic workflows

Issue: FileWriteToolkit lacks read and edit capabilities, hindering dynamic workflows: a task in LegoFlow-SWE (Harbor dataset). The current FileWriteToolkit (alias FileWriteToolkit from camel.toolkits ) only supports writing whole files at once . There is no way to read existing files, edit…

The task

The current `FileWriteToolkit` (alias `FileWriteToolkit` from `camel.toolkits`) **only supports writing whole files at once**. There is no way to read existing files, edit individual lines, or perform targeted string replacements – making it insufficient for use cases that require iterative or partial file…

Part of Lego-X/LegoFlow-SWE.