Add diagram workbench UI with Modelica DoF coaching and ISO glyphs.

Ship the Next.js cycle editor with CAD chrome, technical HX symbols, Fixed/Free boundary guidance, and secondary water/air pressure drop support in the solver stack.

Co-authored-by: Cursor <cursoragent@cursor.com>

apps/web/public/examples/capillary_tube_r134a.json

@@ -0,0 +1,30 @@
+{
+  "schema_version": "1.0",
+  "fluid": "R134a",
+  "fluid_backend": "CoolProp",
+  "circuits": [
+    {
+      "id": 0,
+      "name": "Capillary smoke",
+      "components": [
+        {
+          "type": "CapillaryTube",
+          "name": "cap",
+          "diameter_m": 0.0012,
+          "length_m": 1.8,
+          "n_segments": 24,
+          "p_inlet_bar": 12.0,
+          "h_inlet_kj_kg": 250.0,
+          "p_outlet_bar": 3.5,
+          "h_outlet_kj_kg": 250.0
+        }
+      ],
+      "edges": []
+    }
+  ],
+  "solver": {
+    "strategy": "newton",
+    "max_iterations": 50,
+    "tolerance": 1e-6
+  }
+}