feat(manager): configure executor worker concurrency, harden post-install

[kp2pml30]

Auto-opened executor mirror of genlayerlabs/genvm-manager#43.

Carries the executor-side work for that manager PR. The manager branch update fast-forwards v0.2-dev to its pinned commit after landing.

Summary by CodeRabbit

• Bug Fixes
  • Added a warning when worker concurrency is disabled in configuration, clarifying that this setting is ignored in v0.2.

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ℹ️ Recent review info

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Plan: Advanced

Run ID: 25699d27-d6f9-4a3d-b281-1362b6badfc9

📥 Commits

Reviewing files that changed from the base of the PR and between 5b79990 and 75e4d1f.

📒 Files selected for processing (1)

• executor/src/exe/run.rs

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📝 Walkthrough

Walkthrough

The execution handler now checks allow_two_workers after decoding execution data. When the value is false, it logs that v0.2 does not support disabling worker concurrency and ignores the setting.

Changes

Worker concurrency handling

Layer / File(s)	Summary
Unsupported setting warning executor/src/exe/run.rs	The handler logs a warning when execution_data.allow_two_workers is false. The warning states that v0.2 ignores the setting because disabling worker concurrency is unsupported.

Priority: ⬇️ Low

Estimated code review effort: 1 (Trivial) | ~5 minutes

Change: Feature

Merge Risk: ⚪ Minimal · up to 75e4d

The PR only emits a warning for an unsupported setting and introduces no verified execution behavior change.

🚥 Pre-merge checks | ✅ 4 | ❌ 1

❌ Failed checks (1 warning)

Check name	Status	Explanation	Resolution
Docstring Coverage	⚠️ Warning	Docstring coverage is 0.00% which is insufficient. The required threshold is 80.00%. Docstring coverage is scoped to functions touched by this diff. Analyzed 1 functions across 1 files.	Write docstrings for the functions missing them to satisfy the coverage threshold.

✅ Passed checks (4 passed)

Check name	Status	Explanation
Description Check	✅ Passed	Check skipped - CodeRabbit’s high-level summary is enabled.
Title check	✅ Passed	The title is related to the executor worker concurrency change. The changeset adds a warning for the unsupported allow_two_workers=false setting. The post-install hardening is not present in the pro…
Linked Issues check	✅ Passed	Check skipped because no linked issues were found for this pull request.
Out of Scope Changes check	✅ Passed	Check skipped because no linked issues were found for this pull request.

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✨ Finishing Touches 💡 1

📝 Generate docstrings 💡

• Create stacked PR
• Commit on current branch

🧪 Generate unit tests (beta)

• Create PR with unit tests
• Commit unit tests in branch pr/v0.2/feat/worker-control

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