refactor(cupang): 입고센터 관리 화면 제거

- /cupang/centers GET/POST, 수정·삭제 라우트와 centers.html 삭제
- 달력 상단 "입고센터 관리" 버튼 제거, 상자 계산의 안내 문구 정리
- 센터 관리 화면 전용 CSS 제거(공용 .cpg-icon-btn/.cpg-btn-sm 은 유지)
- 센터 데이터(cupang_centers)와 db 계층은 그대로 — 출고 확정·발주 업로드에서 계속 사용

Co-Authored-By: Claude Opus 5 <noreply@anthropic.com>

app/modules/cupang/router.py

@@ -11,10 +11,8 @@ from __future__ import annotations
 
 import calendar as _calendar
 import json
-import re
 from fractions import Fraction
 from typing import Any
-from urllib.parse import quote
 
 from datetime import date as _date, timedelta as _timedelta
 
@@ -558,150 +556,6 @@ async def day_delete(
     )
 
 
-# ════════════════════════════════════════════════════════════
-# 입고센터 관리
-# ════════════════════════════════════════════════════════════
-_CENTER_PREFIX_RE = re.compile(r"^\D*")
-
-
-def _center_group(name: str) -> str:
-    """센터명 앞부분(숫자 전까지)을 지역 그룹 키로 쓴다. 예) 인천14 → 인천."""
-    name = (name or "").strip()
-    prefix = _CENTER_PREFIX_RE.match(name).group(0).strip()
-    return prefix or name or "기타"
-
-
-def _center_sort_key(name: str) -> list[Any]:
-    """숫자를 숫자로 비교하는 자연 정렬. 예) 인천4 < 인천14."""
-    parts = re.split(r"(\d+)", (name or "").strip())
-    return [(1, int(p), "") if p.isdigit() else (0, 0, p.lower()) for p in parts]
-
-
-def _group_centers(centers: list[dict[str, Any]]) -> list[dict[str, Any]]:
-    buckets: dict[str, list[dict[str, Any]]] = {}
-    for c in centers:
-        buckets.setdefault(_center_group(c["name"]), []).append(c)
-    groups = []
-    for key, items in buckets.items():
-        items.sort(key=lambda c: _center_sort_key(c["name"]))
-        groups.append({"name": key, "items": items, "count": len(items)})
-    groups.sort(key=lambda g: _center_sort_key(g["name"]))
-    return groups
-
-
-@router.get("/centers", response_class=HTMLResponse)
-async def centers_page(request: Request) -> HTMLResponse:
-    from app.main import build_erp_nav, render_template  # noqa: WPS433
-    from app.store import is_admin  # noqa: WPS433
-
-    guard = _guard(request)
-    if not isinstance(guard, tuple):
-        return guard
-    store, user = guard
-    centers = sorted(
-        store.list_centers(include_inactive=True),
-        key=lambda c: _center_sort_key(c["name"]),
-    )
-    return render_template(
-        request,
-        "cupang/centers.html",
-        {
-            "user": user,
-            "is_admin": is_admin(user),
-            "nav_items": build_erp_nav(user, active="cupang"),
-            "page_title": "쿠팡 밀크런 — 입고센터 관리",
-            "page_subtitle": "센터명 등록 · 수정 · 활성/비활성 · 삭제.",
-            "centers": centers,
-            "center_groups": _group_centers(centers),
-            "flash": request.query_params.get("msg", ""),
-            "flash_name": request.query_params.get("name", ""),
-        },
-    )
-
-
-@router.post("/centers")
-async def center_create(
-    request: Request,
-    name: str = Form(...),
-    sort_order: int = Form(0),
-    user: dict[str, Any] = Depends(_require_user),
-) -> RedirectResponse:
-    store = _store(request)
-    if store is None:
-        raise HTTPException(status_code=503, detail="cupang_db 미설정")
-    name = (name or "").strip()
-    if not name:
-        return RedirectResponse(url="/cupang/centers", status_code=303)
-
-    # 같은 이름이 이미 있으면 새로 만들지 않고 알림만 돌려준다.
-    existing = next(
-        (
-            c
-            for c in store.list_centers(include_inactive=True)
-            if (c.get("name") or "").strip().lower() == name.lower()
-        ),
-        None,
-    )
-    if existing is not None:
-        msg = "dup" if existing.get("active") else "dup_inactive"
-        return RedirectResponse(
-            url=f"/cupang/centers?msg={msg}&name={quote(name)}", status_code=303
-        )
-
-    try:
-        store.create_center(name=name, sort_order=sort_order)
-    except ValueError as exc:
-        raise HTTPException(status_code=400, detail=str(exc))
-    return RedirectResponse(
-        url=f"/cupang/centers?msg=added&name={quote(name)}", status_code=303
-    )
-
-
-@router.post("/centers/{center_id}/edit")
-async def center_edit(
-    request: Request,
-    center_id: int,
-    active: str = Form(""),
-    sort_order: str = Form(""),
-    user: dict[str, Any] = Depends(_require_user),
-) -> RedirectResponse:
-    store = _store(request)
-    if store is None:
-        raise HTTPException(status_code=503, detail="cupang_db 미설정")
-    # 이름 변경은 지원하지 않는다(기존 출고 이력과 어긋날 수 있음). 활성/정렬만 수정.
-    kwargs: dict[str, Any] = {"center_id": center_id}
-    if active != "":
-        kwargs["active"] = active in ("1", "true", "on", "True")
-    if sort_order.strip():
-        try:
-            kwargs["sort_order"] = int(sort_order)
-        except ValueError:
-            pass
-    try:
-        store.update_center(**kwargs)
-    except KeyError:
-        raise HTTPException(status_code=404, detail="센터를 찾을 수 없습니다.")
-    except ValueError as exc:
-        raise HTTPException(status_code=400, detail=str(exc))
-    return RedirectResponse(url="/cupang/centers", status_code=303)
-
-
-@router.post("/centers/{center_id}/delete")
-async def center_delete(
-    request: Request,
-    center_id: int,
-    user: dict[str, Any] = Depends(_require_user),
-) -> RedirectResponse:
-    store = _store(request)
-    if store is None:
-        raise HTTPException(status_code=503, detail="cupang_db 미설정")
-    try:
-        store.delete_center(center_id=center_id)
-    except KeyError:
-        raise HTTPException(status_code=404, detail="센터를 찾을 수 없습니다.")
-    return RedirectResponse(url="/cupang/centers", status_code=303)
-
-
 # ════════════════════════════════════════════════════════════
 # 상자 입수량 관리
 # ════════════════════════════════════════════════════════════