* feat(benchmark): add offline memory vs project-context comparison suite (part of #7884)
* fix(benchmark): route prompts through DynamicContextMiddleware, flatten rows, and share test run
* refactor(benchmark): run through local Gateway and simplify first-pass suite (#7884)
* docs(agents): keep context memory benchmark guidance within chain budget
* fix(benchmark): verify DeerMem scope rejection
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Co-authored-by: Totoro <msy626836554@gmail.com>
Co-authored-by: Willem Jiang <willem.jiang@gmail.com>
