CLAUDE.md: purge check peaks up to 246 with ASA at 250-260C

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

CLAUDE.md

@@ -94,7 +94,8 @@ detection, `filament_error_sensitivity`), iHeater chamber heater.
 ## Reference values
 
 - Purge check (150 mm Blobifier purge): good load = longest pressure
-  13-18 s, peak 64-181; empty nozzle about 30 ms. A real failed load in a
+  13-18 s, peak 64-246 (ASA at 250-260C peaks highest); empty nozzle
+  about 30 ms. A real failed load in a
   print start (AFC reported the lane loaded, nothing reached the nozzle):
   longest 1915 ms, peak 45, caught by the 5000 ms limit.
 - Nozzle guard (bdp_guard): peaks 1-8 in home_xy, QGL, Z homing, mesh and