feat(est): import basic JDL unit details

tools/est-test/jdl.cjs

@@ -259,6 +259,74 @@ function read(bytes, project) {
       project.tables[table].push(row);
       byCode.set(row.Code, { row, kind });
     }
+  let unitPk = 0;
+  const unitWarnings = [];
+  const unitCodes = new Set(rows["unit.txt"].map((r) => r.F_CODE));
+  const partsByUnit = new Map();
+  for (const part of rows["unitpart.txt"]) {
+    if (!partsByUnit.has(part.F_CODE)) partsByUnit.set(part.F_CODE, []);
+    partsByUnit.get(part.F_CODE).push(part);
+  }
+  for (const title of rows["unit.txt"]) {
+    const gc = num(title.F_MPRICE),
+      nc = num(title.F_LPRICE),
+      jc = num(title.F_EPRICE);
+    project.tables.HeadMainDat.push({
+      PkID: ++unitPk,
+      Index: 1,
+      Code: title.F_CODE,
+      TitleCode: title.F_CODE,
+      Name: title.F_DES,
+      Size: title.F_SIZE,
+      Unite: title.F_UNIT,
+      GC: gc,
+      NC: nc,
+      JC: jc,
+      SC: 0,
+      TC: gc + nc + jc,
+    });
+    for (const part of partsByUnit.get(title.F_CODE) || []) {
+      const source = byCode.get(part.F_CODE1);
+      const basic =
+        source &&
+        ["", "0"].includes(part.F_SPROPER) &&
+        ["", "T"].includes(part.F_LOADBM) &&
+        ["", "T"].includes(part.F_SAVEBM) &&
+        !num(part.F_SRATE) &&
+        ["", "0"].includes(part.F_KWAN) &&
+        ["", "0"].includes(part.F_CLASS);
+      if (!basic) {
+        unitWarnings.push(`일위 ${title.F_CODE}/${part.F_SEQ}: 특수 구성은 원문에만 보존`);
+        continue;
+      }
+      const gc = num(part.F_MCOST),
+        nc = num(part.F_LCOST),
+        jc = num(part.F_ECOST);
+      project.tables.HeadMainDat.push({
+        PkID: ++unitPk,
+        Index: 0,
+        Code: part.F_CODE1,
+        Name: part.F_DES,
+        Size: part.F_SIZE,
+        Unite: part.F_UNIT,
+        LinkIndex: source.kind,
+        CalcIndex: 0,
+        GN: num(part.F_QQTY),
+        GU: num(part.F_MPRICE),
+        NU: num(part.F_LPRICE),
+        JU: num(part.F_EPRICE),
+        SU: 0,
+        GC: gc,
+        NC: nc,
+        JC: jc,
+        SC: 0,
+        TC: gc + nc + jc,
+        TU: num(part.F_MPRICE) + num(part.F_LPRICE) + num(part.F_EPRICE),
+      });
+    }
+  }
+  if (rows["unitpart.txt"].some((r) => !unitCodes.has(r.F_CODE)))
+    unitWarnings.push("부모 일위대가가 없는 상세 행은 원문에만 보존");
   const headings = new Set();
   let pk = 0;
   for (const group of rows["gongjong.txt"]) {
@@ -334,6 +402,7 @@ function read(bytes, project) {
   project.originalJdl = bytes.toString("base64");
   project.importWarnings = [
     "JDL 저장 금액을 보존하기 위해 자동계산을 껐습니다. 복잡한 단가산출식·손료/기성 확장 파일은 원문에 보존되며 자동 변환하지 않습니다.",
+    ...unitWarnings,
   ];
   project.calculation = {
     errors: [],