refactor: add DesignIR distillation pipeline

text-to-cad/skills/cad-router/scripts/capabilities.json

@@ -6,7 +6,6 @@
       "runner_skill": "cad",
       "source_formats": ["py"],
       "primary_formats": ["step", "stp"],
-      "secondary_formats": ["stl", "3mf", "glb"],
       "strengths": [
         "general mechanical parts",
         "machined features",
@@ -20,31 +19,14 @@
       "project": "SimpleCADAPI",
       "runner_skill": "simplecadapi",
       "source_formats": ["py", "json"],
-      "primary_formats": ["step", "stp", "fcstd"],
-      "secondary_formats": ["stl", "json"],
+      "primary_formats": ["step", "stp"],
       "strengths": [
         "gears, ring gears, racks, and cycloidal discs",
         "bearings, reducers, and joint actuators",
         "replayable operation graphs",
-        "semantic tags and topology queries",
-        "FreeCAD interchange"
+        "semantic tags and topology queries"
       ],
       "source_of_truth": "SimpleCADAPI Python generator and model JSON"
-    },
-    "cadam": {
-      "project": "CADAM",
-      "runner_skill": "cad-router",
-      "adapter": "scripts/cadam_compile.mjs",
-      "source_formats": ["scad"],
-      "primary_formats": ["scad", "stl"],
-      "secondary_formats": ["dxf"],
-      "strengths": [
-        "fast printable CSG models",
-        "patterns, lattices, and decorative geometry",
-        "printable threads and BOSL/BOSL2 libraries",
-        "browser-friendly parameter controls"
-      ],
-      "source_of_truth": "CADAM-compatible OpenSCAD source"
     }
   }
 }