Adaptive isogrid: min triangle area filtering and circular hole bosses

tools/adaptive-isogrid/src/atomizer_study.py

@@ -25,6 +25,7 @@ PARAM_SPACE = {
     'w_frame': {'type': 'float', 'low': 3.0,  'high': 20.0, 'desc': 'Perimeter frame width (mm)'},
     'r_f':     {'type': 'float', 'low': 0.5,  'high': 3.0,  'desc': 'Pocket fillet radius (mm)'},
     'd_keep':  {'type': 'float', 'low': 1.0,  'high': 3.0,  'desc': 'Hole keepout multiplier (× diameter)'},
+    'min_triangle_area': {'type': 'float', 'low': 5.0, 'high': 80.0, 'desc': 'Minimum pocketable triangle area (mm²)'},
 }
 
 # Default parameters for standalone brain testing
@@ -45,4 +46,5 @@ DEFAULT_PARAMS = {
     'r_f': 1.5,
     'd_keep': 1.5,
     'min_pocket_radius': 1.5,
+    'min_triangle_area': 20.0,
 }