feat: enable rss tracking + memory flamegraphs by default

[not-matthias]

No description provided.

[greptile-apps]

Confidence Score: 5/5

[Medium risk] Changes default behavior for memory profiling features.

The PR appears safe to merge based on the changes since the previous review and the disposition of the earlier threads.

Summary

The PR enables resident-memory tracking and allocation stack capture by default, adds opt-out flags, and retains deprecated memory flags with falsey-value support.

• Both run and exec resolve the memory settings before building the orchestrator configuration.
• The change since the previous review restores the samply-codspeed pin to the base branch’s revision.

_{Reviews (2) · Last reviewed commit: "fix: honor falsey values of the deprecat..."}

[codspeed]

Merging this PR will not alter performance

⚠️ Unknown Walltime execution environment detected

Using the Walltime instrument on standard Hosted Runners will lead to inconsistent data.

For the most accurate results, we recommend using CodSpeed Macro Runners: bare-metal machines fine-tuned for performance measurement consistency.

✅ 33 untouched benchmarks
⏩ 4 skipped benchmarks¹

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_{Comparing cod-3678-enable-rss-tracking-memory-flamegraphs-by-default (a15fad1) with main (7c135cc)²}

Footnotes

1. 4 benchmarks were skipped, so the baseline results were used instead. If they were deleted from the codebase, click here and archive them to remove them from the performance reports. ↩

2. No successful run was found on main (98ef901) during the generation of this report, so 7c135cc was used instead as the comparison base. There might be some changes unrelated to this pull request in this report. ↩