Implement S6 doctor and A1 daily-board with fixtures.

Add operator health checks (make doctor) wrapping platform CLIs, and the fixtures-only daily board skill library with unit tests (make verify).

Makefile

@@ -12,6 +12,8 @@ help:
 	@echo "  make install      - full install S0b–S5"
 	@echo "  make install-s0-s2 - install stages S0b through S2"
 	@echo "  make install-s3-s5 - install stages S3 through S5 (stack, sandbox, policy, skills)"
+	@echo "  make doctor       - health checks (S6)"
+	@echo "  make verify       - unit tests (fixtures, no model)"
 	@echo ""
 	@echo "Staged install:"
 	@echo "  make install-s0b  - S0b only: Docker bootstrap"
@@ -23,8 +25,6 @@ help:
 	@echo ""
 	@echo "Not yet implemented (stubbed):"
 	@echo "  make upgrade      - product upgrade"
-	@echo "  make doctor       - health checks"
-	@echo "  make verify       - lint + tests + smoke (fixtures)"
 	@echo "  make sync-design  - list design pack paths"
 
 # ── Implemented targets ────────────────────────────────────────────────────
@@ -61,10 +61,23 @@ install-s4:
 install-s5:
 	@bash scripts/install.sh --stage s5
 
-# ── Stubbed targets (S6+ not yet implemented) ──────────────────────────────
+# ── S6: Doctor ─────────────────────────────────────────────────────────────
 
-upgrade doctor verify:
-	@echo "not implemented — S6+ stages pending" >&2; exit 1
+doctor:
+	@bash scripts/doctor.sh
+
+# ── Stubbed targets ────────────────────────────────────────────────────────
+
+upgrade:
+	@echo "not implemented — upgrade pending" >&2; exit 1
+
+# ── Verify ─────────────────────────────────────────────────────────────────
+
+verify:
+	@echo "Running unit tests..."
+	@python3 -m pytest tests/unit/ -v
+	@echo ""
+	@echo "verify: OK"
 
 sync-design:
 	@echo "Design SSOT:"