Add project takeoff verification and bearing dimensions

Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>

수량산출/bearing-dimensions.ts

@@ -0,0 +1,7 @@
+import type {PierModel} from '../src/core/geometry';
+/** Same bearing-body dimensions as src/view/scene.ts; A/B alone are solplate inputs. */
+export function bearingDimensions(model:PierModel){
+ const plans=model.blocks.map(b=>b.plan);
+ const uniform=(values:(number|undefined)[])=>values.length&&values.every(v=>v!=null&&Number.isFinite(v)&&v>0&&Math.abs(v-values[0]!)<1e-7)?values[0]!:null;
+ return {length:uniform(plans.map(p=>p?(p.A+p.margin)/1000-.2:undefined)),width:uniform(plans.map(p=>p?(p.B+p.margin)/1000-.2:undefined))};
+}