fix(ci): ensure matching wasm-bindgen CLI is installed

[timcogan]

Summary by CodeRabbit

• Chores
  • Improved the web build workflow by ensuring the required tooling is installed reliably.
  • Added a version check to confirm the installed build tool is available.
  • Updated build validation to avoid requiring an unnecessary system command.

[coderabbitai]

No actionable comments were generated in the recent review. 🎉

ℹ️ Recent review info

⚙️ Run configuration

Configuration used: Path: .coderabbit.yaml

Review profile: CHILL

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Run ID: 512c089c-3c54-48dc-ace3-e439335b2c32

📥 Commits

Reviewing files that changed from the base of the PR and between c06d62e and eb979e0.

📒 Files selected for processing (2)

• .github/workflows/pages.yml
• scripts/build-web-demo.sh

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📝 Walkthrough

Walkthrough

The Pages workflow now force-installs and verifies the wasm-bindgen CLI. The web demo build script no longer requires cp during command validation.

Changes

Web build environment

Layer / File(s)	Summary
wasm-bindgen installation verification .github/workflows/pages.yml	The workflow force-installs the wasm-bindgen CLI and checks its installed version.
Build command validation scripts/build-web-demo.sh	The script removes cp from its required-command list.

Estimated code review effort: 1 (Trivial) | ~5 minutes

Possibly related PRs

• timcogan/perspecta#111: Modifies the same Pages workflow and web build script for wasm-bindgen installation and WASM artifact handling.

🚥 Pre-merge checks | ✅ 3 | ❌ 2

❌ Failed checks (2 warnings)

Check name	Status	Explanation	Resolution
Description check	⚠️ Warning	The pull request has no description and does not provide the required summary, testing details, screenshots guidance, or checklist.	Add a description with the required Summary, Testing, Screenshots, and Checklist sections, including completed tests and any additional manual testing.
Docstring Coverage	⚠️ Warning	Docstring coverage is 0.00% which is insufficient. The required threshold is 80.00%.	Write docstrings for the functions missing them to satisfy the coverage threshold.

✅ Passed checks (3 passed)

Check name	Status	Explanation
Title check	✅ Passed	The title clearly summarizes the CI change to install the matching wasm-bindgen CLI.
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 💡 1

📝 Generate docstrings 💡

• Create stacked PR
• Commit on current branch

🧪 Generate unit tests (beta)

• Create PR with unit tests
• Commit unit tests in branch fix/pages-wasm-bindgen-setup

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