[API] Move shared handlers out of the CLI package

[podkidyshev]

Summary

• Move cloudai.cli.handlers to cloudai.handlers without changing its contents, so the CLI and future programmable API can share orchestration outside the CLI package. Git records a 100% rename.
• Update CLI and existing test imports, and retain the moved module's import-linter boundaries.

Test Plan

• Automated CI.

Additional Notes

First PR in the separate programmable API series, using #1041 as its code base. The existing unified-output PRs are unchanged.

This intermediate PR removes the cloudai.cli.handlers import path. The next PR in the API series will restore it with deprecated compatibility wrappers. Keeping those changes separate makes the relocation reviewable; compatibility is required before the series is merged into main.

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📚 Code guidelines (1)

CONTRIBUTING.md — configured

📝 Walkthrough

Walkthrough

The import-linter contracts now check cloudai.handlers in three dependency rules. The CLI and selected tests now import handlers from cloudai.handlers instead of cloudai.cli.handlers.

Changes

Handler imports

Layer / File(s)	Summary
Import-linter contracts pyproject.toml	Three import-linter contracts now include cloudai.handlers in their dependency checks.
CLI and test imports src/cloudai/cli/cli.py, tests/test_acceptance.py, tests/test_handlers.py, tests/test_reporter.py	The CLI and tests import handlers from cloudai.handlers instead of cloudai.cli.handlers.

Priority: ⬇️ Low

Estimated code review effort: 2 (Simple) | ~5 minutes

Change: Refactor

Merge Risk: 🟡 Moderate · up to 40311

Existing consumers of cloudai.cli.handlers will fail to import it. Include the compatibility wrapper before merging this revision independently.

🚥 Pre-merge checks | ✅ 4

✅ Passed checks (4 passed)

Check name	Status	Explanation
Title check	✅ Passed	The title clearly states the primary change: moving shared handlers out of the CLI package.
Description check	✅ Passed	The description accurately explains the handler relocation, import updates, import-linter boundaries, and planned compatibility wrappers.
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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Actionable comments posted: 1

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Inline comments:
Review comments at @src/cloudai/cli/cli.py:
- Line 24: Add a deprecated forwarding module for cloudai.cli.handlers that
re-exports the existing handler symbols, preserving the legacy import path while
the CLI imports from cloudai.handlers.

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📥 Commits

Reviewing files that changed from the base of the PR and between 90bfa43 and 40311e3.

📒 Files selected for processing (6)

• pyproject.toml
• src/cloudai/cli/cli.py
• src/cloudai/handlers.py
• tests/test_acceptance.py
• tests/test_handlers.py
• tests/test_reporter.py

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