fix: refactor for unsupported static binary platforms

[2bndy5]

Previous builds for unsupported platforms issued a bunch of warnings because of unused code.

This refactors the clang-tools-manager/src/downloader/static_dist.rs module to only compile code that is actually used per the compile target.

Summary by CodeRabbit

• New Features

  • Added a new command to seed build versions locally for development.

• Chores

  • Refactored continuous integration workflows for improved maintainability.
  • Updated automated stale issue closure to run on Monday, Wednesday, and Friday instead of daily.
  • Optimized platform-specific code compilation for targeted architectures.

[codecov]

Codecov Report

❌ Patch coverage is 95.58824% with 3 lines in your changes missing coverage. Please review.
✅ Project coverage is 92.84%. Comparing base (41fcd9e) to head (b49dc75).

Files with missing lines	Patch %	Lines
clang-tools-manager/src/downloader/static_dist.rs	95.58%	3 Missing ⚠️

Additional details and impacted files

@@           Coverage Diff           @@
##             main     #356   +/-   ##
=======================================
  Coverage   92.83%   92.84%           
=======================================
  Files          23       23           
  Lines        3461     3464    +3     
=======================================
+ Hits         3213     3216    +3     
  Misses        248      248           

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ℹ️ Review info

⚙️ Run configuration

Configuration used: Organization UI

Review profile: CHILL

Plan: Pro

Run ID: 11ecce1f-a3de-4a88-aa00-92c24995abad

📥 Commits

Reviewing files that changed from the base of the PR and between 5599838 and b49dc75.

📒 Files selected for processing (1)

• clang-tools-manager/src/downloader/static_dist.rs

Walkthrough

This PR consolidates version seeding logic across six CI/CD workflows into a new reusable workflow, refactors all workflows to use dynamic artifact naming, and restructures the Rust downloader with platform-conditional compilation modules. A minor schedule update to the stale issues workflow is also included.

Changes

Version Seeding Refactor and Platform Support

Layer / File(s)	Summary
Create reusable version-seeding workflow .github/workflows/pre-seed-versions.yml	New reusable workflow downloads versions.json from a release, uploads it as an artifact, and exposes the artifact name via workflow_call output for downstream consumers.
Refactor workflows to use reusable pattern .github/workflows/benchmark.yml, .github/workflows/binary-builds.yml, .github/workflows/build-docs.yml, .github/workflows/node-js-packaging.yml, .github/workflows/python-packaging.yml, .github/workflows/run-dev-tests.yml	Six workflows refactored to invoke the reusable workflow for seed-build-script job instead of inline steps; all downstream artifact downloads switched from hardcoded static-binary-versions to dynamic needs.seed-build-script.outputs.artifact-name.
Platform-gated SHA512 hashing clang-tools-manager/src/downloader/hashing.rs	SHA512 hash variant and verification branch conditionally compiled for supported platforms (Windows x86_64, Linux/macOS x86_64 and aarch64).
Reorganize downloader with platform modules clang-tools-manager/src/downloader/static_dist.rs	StaticDistDownloader refactored into unsupported_platform module returning UnsupportedArchitecture and supported_platform module containing full download/verification logic, constants, and unit tests—all conditionally compiled per target platform.
Add local development seeding command nurfile	New nur seed versions command downloads versions.json from GitHub and saves it to clang-tools-manager/versions.json for local development without network requests during builds.

Estimated code review effort

🎯 2 (Simple) | ⏱️ ~12 minutes

Possibly related PRs

• cpp-linter/cpp-linter-rs#333: Introduced the seed/restore workflow wiring that this PR refactors into a reusable workflow with dynamic artifact naming.

Suggested labels

rust

🚥 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 PR title 'fix: refactor for unsupported static binary platforms' is concise and directly describes the main change—refactoring static_dist.rs to eliminate unused-code warnings on unsupported platforms.
Docstring Coverage	✅ Passed	Docstring coverage is 100.00% which is sufficient. The required threshold is 80.00%.
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

🧪 Generate unit tests (beta)

• Create PR with unit tests
• Commit unit tests in branch fix-static-dist-platform-warnings

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