feat(status): compact status page layout

[ElwinLiu]

Summary

• Replace the card-heavy status dashboard with a compact grouped layout based on the reviewed prototype.
• Add the Umple logo to the status header and keep full status payload coverage through service health, release/runtime, compiler, and diagnostics sections.
• Refs List of Improvements April 18 following review by Tim #93.

Test plan

• env PATH=/Users/elwin/.cache/codex-runtimes/codex-primary-runtime/dependencies/node/bin:$PATH bun run build
• env PATH=/Users/elwin/.cache/codex-runtimes/codex-primary-runtime/dependencies/node/bin:$PATH bun run test:e2e -- tests/e2e/status.spec.ts