W-22570931: [TEMP] Improve Error Message When Package Version Retrieve Fails Due to Dev Zip Not Generated

[ravipanguluri]

Summary

• Auto-generated by claude-unleashed packaging-implementer for W-22570931
• Consolidates two error messages into a unified DownloadDeveloperPackageZipHasNoDataError

Test plan

• Reviewer agent will run gates and codenod loop
• Human review of diff before merge

Override

This PR is part of the 2GP packaging CLI auto-implementer pilot. Treat as a draft until reviewed by a human.

[salesforce-cla]

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[ravipanguluri]

Code Review Audit Trail

Codenod Gate Results

Iteration	Risk Score	Coverage	Requirements	Simplicity	Critical/Error	Status
1	2 (≤4)	7 (≥7)	N/A	7 (≥7)	0	✓ PASS

Verdict: All quality thresholds met on first iteration.

Plan Compliance

✓ Task Completed: Consolidated two error messages (downloadDeveloperPackageZipHasNoDataNative2GP and downloadDeveloperPackageZipHasNoDataConverted2GP) into unified downloadDeveloperPackageZipHasNoData

✓ Message Content: Matches spec exactly
✓ Code Simplification: Removed conditional logic, simplified error handling
✓ Tests Updated: Both test cases now verify unified error message
✓ No Deviations: Implementation matches specification
✓ No Gaps: All planned work shipped

Code Quality Checks

✓ No TODO/TBD/FIXME added
✓ No skipped tests (.only)
✓ No git anti-patterns
✓ No new code duplication

Review Outcome

APPROVED - Clean implementation, all gates passed, specification fully met.