Q49: a task that spends its run budget shows as stalled; edits start a fresh budget

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>

src/shared/domain.ts

@@ -98,6 +98,10 @@ export interface TaskRecord {
   parentTaskId: string | null;
   requiresFilesystem: boolean;
   writingMode: WritingMode;
+  /** Set when the task spent its run budget without reaching done. */
+  stalledReason: string | null;
+  /** Runs at or below this task_runs rowid no longer count toward the run budget. */
+  runBudgetFloor: number;
   createdAt: string;
   updatedAt: string;
 }