refactor(510-2 서버 자동 관 옛 길 걷음): auto all · add 갈래 걷음(부르는 곳 0 · detail-basins · drainage/live · build_detail · 저장본 열쇠 · computeDetailBasins 셋째 인자) · 전처리 첫 자동 관 그대로 · test_369 옛 all/add 시험 걷음 · test_b05_structures_router 이관 5 = 가짜 함수를 (legacy, standing) 쌍으로 맞춤

Co-Authored-By: Claude Sonnet 5.5 <noreply@anthropic.com>

B04_PreProcess/B04_PreProcess_Router_Watershed_Live.py

@@ -22,7 +22,7 @@ from fastapi.responses import JSONResponse
 from B04_PreProcess.B04_PreProcess_Engine_Watershed_Analyze import preview_stages
 from B04_PreProcess.B04_PreProcess_Engine_Watershed_Expand import AnalysisStopped
 from B04_PreProcess.B04_PreProcess_Engine_Watershed_Export import drainage_dir
-from B04_PreProcess.B04_PreProcess_Router_Basins import AUTO_MODES, _build, _payload
+from B04_PreProcess.B04_PreProcess_Router_Basins import _build, _payload
 from B04_PreProcess.B04_PreProcess_Router_Watershed import _prepare, router
 from common_util.common_util_drainage_context import _open_sampler, load_drainage_context
 from common_util.common_util_drainage_detail import RoadRouting
@@ -79,7 +79,7 @@ async def post_drainage_live(
     project_id: UUID, payload: dict[str, Any] | None = None
 ) -> dict[str, Any] | JSONResponse:
     """몸통 = {generation, route: RouteDraft | null(저장 노선),
-    points: 관 목록 | null(세류선 교차만), auto: [자동 제안] 방식(all · add · 369) | 없음}."""
+    points: 관 목록 | null(세류선 교차만)}."""
     body = payload or {}
     generation = int(body.get("generation") or 0)
     key = str(project_id)
@@ -88,9 +88,6 @@ async def post_drainage_live(
     def superseded() -> bool:
         return _LATEST_GENERATION.get(key) != generation
 
-    auto = body.get("auto")
-    if auto not in AUTO_MODES:
-        return JSONResponse(status_code=400, content={"status": "error", "message": "auto 틀림"})
     try:
         raw = body.get("points")
         points = None if raw is None else parse_pipe_points(raw)
@@ -143,7 +140,7 @@ async def post_drainage_live(
         [list(to_lonlat(x, y)) for x, y in line.coords] for line in preview.region.split.upstream
     ]
     detail, carried = await asyncio.to_thread(
-        lambda: _build(context.stored_path, live, points, routing, upstream, auto=auto)
+        lambda: _build(context.stored_path, live, points, routing, upstream)
     )
     if detail is None:
         return JSONResponse(