feat(M01): POST /api/m01/logic/flow — 저장 안 한 고친 줄(옛 편집기)을 흐름으로 변환해 돌려줌(쓰기 없음)

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01KmELpdXFDRZHhfbGuRhSmL

resources/tester/test_m01_logic_flow_save.py

@@ -235,6 +235,20 @@ def test_시스템_관리자가_아니면_403(folder: Path) -> None:
     client = TestClient(app)
     before = _hashes(folder)
     assert client.get("/api/m01/logic/flow", params={"key": KEY}).status_code == 403
+    assert client.post("/api/m01/logic/flow", json={"key": KEY, "row": {}}).status_code == 403
     assert client.post("/api/m01/save", json={"files": []}).status_code == 403
     assert client.post("/api/m01/calc", json={"key": KEY, "inputs": {}}).status_code == 403
     assert _hashes(folder) == before
+
+
+def test_저장_안_한_고친_줄_변환(client: TestClient, folder: Path) -> None:
+    """POST /logic/flow — 옛 편집기 고친 줄 그대로 변환 · 파일은 안 바뀜 · 줄에 흐름이 있어도 변환."""
+    before = _hashes(folder)
+    row = copy.deepcopy(_get(client, "/api/m01/logic", key=OLD)["logic"])
+    row["이름"] = "고친 이름"
+    row["흐름"] = _flow()
+    got = _post(client, "/api/m01/logic/flow", {"key": OLD, "row": row})
+    assert got["converted"] is True and got["flow"]["key"] == OLD
+    if importlib.util.find_spec(sflow.CONVERT) is not None:
+        assert got["flow"]["name"] == "고친 이름" and got["flow"]["boxes"]
+    assert _hashes(folder) == before