feat: add inpaint region functionality and related tools

- Enhanced cursor behavior for new tools: semantic select, mask lasso, and mask rectangle.
- Updated mask edit state to include mask asset ID and kind.
- Implemented inpaint region commands for adding, applying, and removing inpaint regions.
- Introduced new operations for lasso and semantic selection tools.
- Created UI components for candidate review and inpaint region management.
- Added tests for inpaint region commands to ensure functionality.
- Updated various components to support new inpaint features and improve user experience.

view/GenerationJobStatus.tsx

@@ -17,7 +17,7 @@ export function GenerationJobStatus({ generation, compact = false }: { generatio
 
   if (!job) return null;
   const elapsed = Math.max(0, Math.floor(((job.finishedAt ?? Date.now()) - job.startedAt) / 1000));
-  const label = job.status === "running" ? `${job.label} ${formatElapsed(elapsed)}` : job.status === "failed" ? job.error ?? `${job.label} failed` : job.status === "cancelled" ? `${job.label} cancelled` : `${job.label} complete`;
+  const label = job.status === "running" ? `${job.detail ?? job.label}${job.progress !== undefined ? ` · ${Math.round(job.progress * 100)}%` : ""} ${formatElapsed(elapsed)}` : job.status === "failed" ? job.error ?? `${job.label} failed` : job.status === "cancelled" ? `${job.label} cancelled` : `${job.label} complete`;
   const tone = job.status === "failed" ? "bg-red-500/15 text-red-100" : job.status === "running" ? "bg-white/10 text-white/70" : job.status === "cancelled" ? "bg-amber-500/15 text-amber-100" : "bg-emerald-500/15 text-emerald-100";
 
   return <span className={`${compact ? "max-w-48" : "max-w-72"} truncate rounded-md px-2 py-1 text-[0.68rem] font-medium ${tone}`} title={label} aria-live="polite">{label}</span>;