fix(m02-cf): 입력 상자 단위를 요소 · 변수 단위에 맞춤 — 열 때 바로잡음(견본 인력 상자 원/일)

Co-Authored-By: Claude Sonnet 5.5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_019ACSGaHdLgnkEkoA4LDtMU

resources/tester/test_m02_cf_inputpanel_build.py

@@ -219,3 +219,36 @@ def test_환율_유가전력_알약_이름에_날짜가_안_들어감():
         "값": 1900,
     }
     assert call("elementOf", "유가전력", oil)["name"] == "휘발유 서울"
+
+
+def test_단위가_안_맞게_저장된_상자는_열_때_맞춤():
+    el1, el2 = call("elementOf", "인력", LABOR), call("elementOf", "인력", LABOR2)
+    lg = logic()
+    lg["boxes"][0]["input"] = {
+        "mode": "group",
+        "group": "인력",
+        "elements": [el1, el2],
+        "variables": [],
+    }
+    assert lg["boxes"][0]["unit"] == "-"
+    fixed = run([{"op": "fn", "name": "reconcileUnit", "args": [lg, "b1"]}])[0]
+    assert fixed["boxes"][0]["unit"] == "원/일"
+    again = run([{"op": "fn", "name": "reconcileUnit", "args": [fixed, "b1"]}])[0]
+    assert again == fixed
+    oil = {"ref": "X", "name": "경유", "spec": "", "unit": "원/L"}
+    lg["boxes"][0]["input"]["elements"].append(oil)
+    lg["boxes"][0]["unit"] = "원/일"
+    assert (
+        run([{"op": "fn", "name": "reconcileUnit", "args": [lg, "b1"]}])[0]["boxes"][0]["unit"]
+        == "-"
+    )
+    one = {
+        "mode": "variable",
+        "elements": [],
+        "variables": [{"name": "면적", "type": "number", "unit": "㎡", "example": 1}],
+    }
+    lg["boxes"][0]["input"] = one
+    assert (
+        run([{"op": "fn", "name": "reconcileUnit", "args": [lg, "b1"]}])[0]["boxes"][0]["unit"]
+        == "㎡"
+    )