clang-tidy: enable cppcoreguidelines-avoid-magic-numbers

[bakshi536]

Fixes # .

Changes proposed in this pull request:

@pgRouting/admins

Summary by CodeRabbit

Release Notes

This release contains only internal tooling configuration updates with no user-facing changes. Code quality checks have been enhanced to better enforce development standards.

[coderabbitai]

No actionable comments were generated in the recent review. 🎉

ℹ️ Recent review info

⚙️ Run configuration

Configuration used: Repository UI

Review profile: ASSERTIVE

Plan: Pro

Run ID: 2442068a-3782-44fe-af26-c105e6b26db9

📥 Commits

Reviewing files that changed from the base of the PR and between e06c177 and 748db50.

📒 Files selected for processing (1)

• .clang-tidy

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Walkthrough

The clang-tidy configuration file is updated to enable the cppcoreguidelines-avoid-magic-numbers check by removing its negation prefix. This activates enforcement of the magic number avoidance rule in the active check set, while all other configuration settings remain unchanged.

Changes

Cohort / File(s)	Summary
Configuration .clang-tidy	Enabled cppcoreguidelines-avoid-magic-numbers check by removing the negation prefix from the rule.

Estimated code review effort

🎯 1 (Trivial) | ⏱️ ~2 minutes

Possibly related PRs

• Have clang tidy with checks that actually pass #3028: Modifies .clang-tidy configuration to change which cppcoreguidelines checks are enabled/disabled within the ruleset.

Suggested labels

Enhancement, C/C++

Suggested reviewers

• cvvergara
• robe2

Poem

🐰 A magic number audit now takes flight,
No mystic digits hiding from our sight!
With clang-tidy's gaze so sharp and keen,
The cleanest code you've ever seen! ✨

🚥 Pre-merge checks | ✅ 3

✅ Passed checks (3 passed)

Check name	Status	Explanation
Description Check	✅ Passed	Check skipped - CodeRabbit’s high-level summary is enabled.
Title check	✅ Passed	The title clearly and concisely summarizes the main change: enabling a specific clang-tidy rule (cppcoreguidelines-avoid-magic-numbers).
Docstring Coverage	✅ Passed	No functions found in the changed files to evaluate docstring coverage. Skipping docstring coverage check.

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✨ Finishing Touches

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📝 Coding Plan

• Generate coding plan for human review comments

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