feat(commandline): add graveyard CLI with Spectre.Console

[victorfrye]

Summary

Adds a new .NET 10 CLI tool (graveyard) to the repo — a developer helper for maintaining corpses.json directly from the terminal using Spectre.Console.

Commands

Command	Description
graveyard corpses sort	Sort corpses.json by canonical order (deathDate DESC, name ASC)
graveyard corpses sort --verify	Verify sort order without writing; exits 1 with diff if unsorted
graveyard corpses add	Add a new corpse entry interactively or via CLI args
graveyard corpses show	Show a single corpse entry with generated obituary
graveyard corpses list	List all entries as a Spectre table or JSON

Details

• Project: src/CommandLine/ — VictorFrye.MicrosoftGraveyard.CommandLine targeting net10.0
• Tests: src/CommandLine.Tests/ — 42 xUnit v3 tests via Microsoft.Testing.Platform, 80% coverage threshold
• Aspire: Registered in AppHost as a run-on-demand resource (WithExplicitStart()) — won't auto-start, launch from dashboard
• Data file: Reads/writes src/WebClient/app/graveyard/corpses.json relative to CWD (run from repo root)
• Interactive mode: corpses add falls back to Spectre.Console prompts when run standalone (no Aspire env vars present)

Validation

• ✅ corpses sort — 175 corpses sorted, count unchanged
• ✅ corpses sort --verify — passes cleanly after sort
• ✅ Web smoke test — all 175 headstones render at http://localhost:3000
• ✅ 42 unit tests passing

Notes

• Not yet packaged/published — local dev only at this stage
• Packaging can be added in a follow-up when distribution needs are defined

[github-actions]

Azure Static Web Apps: Your stage site is ready! Visit it here: https://zealous-plant-083d54e10-434.centralus.5.azurestaticapps.net