[Tcode-Motion]

• 💡 What: Added into_string(self) method to RuntimeValue to extract owned strings without cloning, and updated sys_write_file, sys_read_file, and sys_exists in stdlib/src/sys.rs to consume owned args with into_string().
• 🎯 Why: sys_write_file previously called try_into_string(&self) on arguments, which cloned both file path and content strings. For large files, string cloning incurred redundant heap allocation and memory copying overhead.
• 📊 Impact: Completely eliminates string allocations and data copying when converting owned RuntimeValue::Str arguments in file system standard library functions.
• 🔬 Measurement: Verified with cargo test suite and micro-benchmarks showing zero heap cloning during sys_write_file calls.

---

PR created automatically by Jules for task 5554682109399935467 started by @Tcode-Motion

[google-labs-jules]

👋 Jules, reporting for duty! I'm here to lend a hand with this pull request.

When you start a review, I'll add a 👀 emoji to each comment to let you know I've read it. I'll focus on feedback directed at me and will do my best to stay out of conversations between you and other bots or reviewers to keep the noise down.

I'll push a commit with your requested changes shortly after. Please note there might be a delay between these steps, but rest assured I'm on the job!

For more direct control, you can switch me to Reactive Mode. When this mode is on, I will only act on comments where you specifically mention me with @jules. You can find this option in the Pull Request section of your global Jules UI settings. You can always switch back!

New to Jules? Learn more at jules.google/docs.

---

For security, I will only act on instructions from the user who triggered this task.