feat: add request fields to ResourceLimits

[konstantinoscs]

This is a prerequisite to allow the control plane to dynamically set both request and resource limits

[coderabbitai]

Important

Review skipped

Auto reviews are disabled on base/target branches other than the default branch.

Please check the settings in the CodeRabbit UI or the .coderabbit.yaml file in this repository. To trigger a single review, invoke the @coderabbitai review command.

⚙️ Run configuration

Configuration used: Path: .coderabbit.yaml

Review profile: CHILL

Plan: Advanced

Run ID: 2ef8d1c9-1b5d-4057-9100-08afa002afc7

You can disable this status message by setting the reviews.review_status to false in the CodeRabbit configuration file.

Use the checkbox below for a quick retry:

• 🔍 Trigger review

---

_{Comment @coderabbitai help to get the list of available commands.}

[Copilot]

🟡 Changes recommended

It introduces a public-API change to a public struct that can be semver-breaking for downstream consumers and needs an explicit compatibility/versioning decision.

Once you've addressed the issues Copilot identified, you can request another Copilot review.

Pull request overview

Adds explicit request fields alongside existing limit fields in tower-runtime’s ResourceLimits model, enabling future backends/control-plane code to set both scheduling requests and enforced limits.

Changes:

• Extended ResourceLimits with CPU/memory/storage request fields.
• Updated CLI execution-spec construction to populate the new fields.
• Updated runtime subprocess test fixtures to include the new fields.

File summaries

File	Description
crates/tower-runtime/src/execution.rs	Extends the ResourceLimits public API to include request fields and updates inline docs.
crates/tower-cmd/src/run.rs	Updates local-run execution spec construction to set the new request fields.
crates/tower-runtime/tests/subprocess_test.rs	Updates test ExecutionSpec construction to include the new request fields.

Review details

• Files reviewed: 3/3 changed files
• Comments generated: 2
• Review effort level: Lite

---

💡 Add a code-review agent skill or configure MCP servers for context-aware, tailored reviews. Learn more in the docs.