Polish portfolio presentation

[goldwav]

Summary

• rebuild the repository landing page around the working Windows application
• add sanitized product media, including the sticky-to-editor workflow
• pin GitHub Actions to verified immutable Node 24 commits

Verification

• .NET 10 Release build: 0 warnings, 0 errors
• document and recovery suite: 21 passed, 0 failed
• package-free compatibility build: 21 passed, 0 failed
• portable package manifest and SHA-256 verification: passed
• staged diff, media metadata, and conversation-trace audits: passed

Release boundary

This remains an honest alpha engineering preview. Public signing, clean-machine certification, accessibility certification, and a durable downloadable release are intentionally not claimed here.

[coderabbitai]

Important

Review skipped

Draft detected.

Please check the settings in the CodeRabbit UI or the .coderabbit.yaml file in this repository. To trigger a single review, invoke the @coderabbitai review command.

⚙️ Run configuration

Configuration used: Organization UI

Review profile: ASSERTIVE

Plan: Pro Plus

Run ID: c2f1d8d3-b05b-4bcc-95be-cb4cba19a1ee

You can disable this status message by setting the reviews.review_status to false in the CodeRabbit configuration file.

Use the checkbox below for a quick retry:

• 🔍 Trigger review

---

_{Comment @coderabbitai help to get the list of available commands.}