Kernel rig: inspect cases, the overlap volume of two boxes, none where they only touch, a box inside a box

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

tests/kernel-cases/inspect/cov-interference-box-inside-a-box/expected.json

@@ -0,0 +1,27 @@
+{
+ "sources": [],
+ "what": "a box wholly inside another",
+ "source": "analytic",
+ "method": "box 40 x 30 x 20 with a corner at the origin and a box 10 x 10 x 10 from (5,5,5) inside it: the overlap is the small box: V 1000, centre (10,10,10)",
+ "results": [
+  {
+   "command": 2,
+   "pointer": "/count",
+   "value": 1
+  },
+  {
+   "command": 2,
+   "pointer": "/interferences/0/volume_mm3",
+   "value": 1000.0
+  },
+  {
+   "command": 2,
+   "pointer": "/interferences/0/center",
+   "value": [
+    10,
+    10,
+    10
+   ]
+  }
+ ]
+}

tests/kernel-cases/inspect/cov-interference-box-inside-a-box/recipe.json

@@ -0,0 +1,33 @@
+{
+ "commands": [
+  {
+   "command": "solid.box",
+   "params": {
+    "length": 40,
+    "width": 30,
+    "height": 20,
+    "body_name": "A",
+    "operation": "new"
+   }
+  },
+  {
+   "command": "solid.box",
+   "params": {
+    "length": 10,
+    "width": 10,
+    "height": 10,
+    "body_name": "B",
+    "operation": "new",
+    "corner": [
+     5,
+     5,
+     5
+    ]
+   }
+  },
+  {
+   "command": "inspect.interference",
+   "params": {}
+  }
+ ]
+}

tests/kernel-cases/inspect/cov-interference-boxes-touching-face-to-face/expected.json

@@ -0,0 +1,18 @@
+{
+ "sources": [],
+ "what": "two boxes that only touch along a face",
+ "source": "analytic",
+ "method": "box 40 x 30 x 20 with a corner at the origin and a box 40 x 30 x 20 from (40,0,0): they share the face x = 40 and no volume: no interference",
+ "results": [
+  {
+   "command": 2,
+   "pointer": "/count",
+   "value": 0
+  },
+  {
+   "command": 2,
+   "pointer": "/interferences",
+   "value": []
+  }
+ ]
+}

tests/kernel-cases/inspect/cov-interference-boxes-touching-face-to-face/recipe.json

@@ -0,0 +1,33 @@
+{
+ "commands": [
+  {
+   "command": "solid.box",
+   "params": {
+    "length": 40,
+    "width": 30,
+    "height": 20,
+    "body_name": "A",
+    "operation": "new"
+   }
+  },
+  {
+   "command": "solid.box",
+   "params": {
+    "length": 40,
+    "width": 30,
+    "height": 20,
+    "body_name": "B",
+    "operation": "new",
+    "corner": [
+     40,
+     0,
+     0
+    ]
+   }
+  },
+  {
+   "command": "inspect.interference",
+   "params": {}
+  }
+ ]
+}

tests/kernel-cases/inspect/cov-interference-overlapping-boxes/expected.json

@@ -0,0 +1,50 @@
+{
+ "sources": [],
+ "what": "the overlap of two boxes",
+ "source": "analytic",
+ "method": "box 40 x 30 x 20 with a corner at the origin and a box 40 x 30 x 20 from (30,20,10): they share the cube x 30..40, y 20..30, z 10..20: V 1000, A 600, centre (35,25,15)",
+ "results": [
+  {
+   "command": 2,
+   "pointer": "/count",
+   "value": 1
+  },
+  {
+   "command": 2,
+   "pointer": "/interferences/0/volume_mm3",
+   "value": 1000.0
+  },
+  {
+   "command": 2,
+   "pointer": "/interferences/0/area_mm2",
+   "value": 600.0
+  },
+  {
+   "command": 2,
+   "pointer": "/interferences/0/center",
+   "value": [
+    35,
+    25,
+    15
+   ]
+  },
+  {
+   "command": 2,
+   "pointer": "/interferences/0/bbox/min",
+   "value": [
+    30,
+    20,
+    10
+   ]
+  },
+  {
+   "command": 2,
+   "pointer": "/interferences/0/bbox/max",
+   "value": [
+    40,
+    30,
+    20
+   ]
+  }
+ ]
+}

tests/kernel-cases/inspect/cov-interference-overlapping-boxes/recipe.json

@@ -0,0 +1,33 @@
+{
+ "commands": [
+  {
+   "command": "solid.box",
+   "params": {
+    "length": 40,
+    "width": 30,
+    "height": 20,
+    "body_name": "A",
+    "operation": "new"
+   }
+  },
+  {
+   "command": "solid.box",
+   "params": {
+    "length": 40,
+    "width": 30,
+    "height": 20,
+    "body_name": "B",
+    "operation": "new",
+    "corner": [
+     30,
+     20,
+     10
+    ]
+   }
+  },
+  {
+   "command": "inspect.interference",
+   "params": {}
+  }
+ ]
+}