nano a48sa: push probe (lane1)

bed/preflight/push_probe_a48sa_lane1.json

@@ -1 +1 @@
-{"utc": "2026-10-28T21:12:35Z", "card": "NVIDIA RTX PRO 6000 Blackwell Server Edition", "tok_s": 554, "parts": ["A48 FLOOR s1", "A48 FLOOR s2", "A48 FLOOR s3", "A48 FLOOR s5", "A48 FLOOR s4", "A48 FLOOR s6"]}
+{"utc": "2026-10-28T22:09:23Z", "card": "NVIDIA RTX PRO 6000 Blackwell Server Edition", "tok_s": 688, "parts": ["A48 FLOOR s1", "A48 FLOOR s2", "A48 FLOOR s3", "A48 FLOOR s5", "A48 FLOOR s4", "A48 FLOOR s6"]}