{
  "planPath": "docs/plans/2026-06-19-sphistorianclient.md",
  "tasks": [
    {"id": 1, "subject": "Task 1: Scaffold library skeleton", "status": "completed"},
    {"id": 2, "subject": "Task 2: Port source + tests with namespace rewrite", "status": "completed", "blockedBy": [1]},
    {"id": 3, "subject": "Task 3: Build + test green", "status": "completed", "blockedBy": [2]},
    {"id": 4, "subject": "Task 4: Add AddZbSpHistorianClient DI extension (TDD)", "status": "completed", "blockedBy": [3]},
    {"id": 5, "subject": "Task 5: Author CLAUDE.md + README.md", "status": "completed", "blockedBy": [3]},
    {"id": 6, "subject": "Task 6: Pack verification", "status": "completed", "blockedBy": [4, 5]},
    {"id": 7, "subject": "Task 7: Index new lib in umbrella CLAUDE.md (optional)", "status": "completed", "blockedBy": [6]}
  ],
  "lastUpdated": "2026-06-19"
}