docs(roadmap): add #332 — doctor json missing top-level status field

[code-yeongyu]

Pinpoint #325

doctor --output-format json has no status field — breaks unified health-check pattern.

Live on e7074f4:

claw doctor --output-format json | python3 -c "import sys,json; print(json.load(sys.stdin).get('status'))"
# → None

claw status --output-format json | python3 -c "import sys,json; print(json.load(sys.stdin).get('status'))"  
# → ok

Doctor uses has_failures (bool) + summary: {failures, ok, warnings}; every other JSON command uses "status": "ok"|"warn"|"error". Automation checking result.get("status") == "ok" silently misreads doctor warnings as absent status.

Fix: add "status": "ok"|"warn"|"error" top-level field to doctor JSON, derived from existing has_failures/warning-count logic.

ROADMAP.md only: 1 file changed, 2 insertions(+)