fix: validate trends months flag

[saurabhhhcodes]

Summary by CodeRabbit

• Bug Fixes

  • Trend commands now reject month values outside the supported range of 1–24.
  • Invalid values return a clear validation error instead of being silently adjusted.

• Tests

  • Added coverage for valid boundary values and invalid month inputs.

[coderabbitai]

No actionable comments were generated in the recent review. 🎉

ℹ️ Recent review info

⚙️ Run configuration

Configuration used: defaults

Review profile: CHILL

Plan: Pro

Run ID: 917f4a93-255c-436c-ad0b-4bea3f39a759

📥 Commits

Reviewing files that changed from the base of the PR and between 59221f9 and 3857ca1.

📒 Files selected for processing (2)

• cmd/trends.go
• cmd/trends_test.go

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📝 Walkthrough

Walkthrough

The trends command now rejects month values outside 1..24 instead of clamping them, with unit tests covering valid boundaries and invalid inputs.

Changes

Trends month validation

Layer / File(s)	Summary
Month validation and execution guard cmd/trends.go	validateMonths enforces the inclusive 1..24 range, and runTrends returns an error before either execution path for invalid values. Tests cover boundary and invalid inputs.

Estimated code review effort: 2 (Simple) | ~10 minutes

Possibly related issues

• agnivo988/Repo-lyzer#443 — Addresses rejection of negative and zero --months values.
• agnivo988/Repo-lyzer#447 — Addresses rejection of values outside the 1..24 range.

Suggested reviewers: sujitha-kotyada

🚥 Pre-merge checks | ✅ 5

✅ Passed checks (5 passed)

Check name	Status	Explanation
Description Check	✅ Passed	Check skipped - CodeRabbit’s high-level summary is enabled.
Title check	✅ Passed	The title clearly matches the main change: validating the trends months flag.
Docstring Coverage	✅ Passed	No functions found in the changed files to evaluate docstring coverage. Skipping docstring coverage check.
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.

✨ Finishing Touches

🧪 Generate unit tests (beta)

• Create PR with unit tests

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