Refine project status display for imports

[Che-Zhu]

Summary

• add a dedicated display-status mapping layer for project cards
• show import projects as Importing until repo clone finishes
• surface import failures as Needs Attention instead of showing Running
• align list filtering with the new display-status semantics

Testing

• pnpm exec eslint "app/(dashboard)/projects/(list)/_components/home-page-content.tsx" "app/(dashboard)/projects/(list)/_components/page-header-with-filter.tsx" "app/(dashboard)/projects/(list)/_components/project-card.tsx" "app/(dashboard)/projects/(list)/_components/project-list.tsx" "app/(dashboard)/projects/(list)/_components/status-config.ts" "lib/util/project-display-status.ts"

[github-actions]

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  Commit: 016f3469598fd9c76d1f0a1266a1d335cd9c4f54
  Branch: codex/project-status-display-rules

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