feat: 도매상 설정 중앙 관리 시스템

- config/wholesalers.json: 도매상 정보 중앙 관리 (ID, 이름, 로고, 색상, API)
- config/__init__.py: Python 헬퍼 (get_wholesalers, get_wholesaler)
- wholesaler_config_api.py: /api/config/wholesalers 엔드포인트
- 백제약품 로고(favicon) 추가: logo_baekje.ico
- 잔고 모달에 로고 표시 기능 추가

backend/config/__init__.py

@@ -0,0 +1,54 @@
+# -*- coding: utf-8 -*-
+"""
+도매상 설정 중앙 관리
+
+사용법:
+    from config import get_wholesalers, get_wholesaler
+    
+    # 전체 도매상 목록
+    wholesalers = get_wholesalers()
+    
+    # 특정 도매상 정보
+    geo = get_wholesaler('geoyoung')
+    print(geo['name'])  # 지오영
+    print(geo['logo'])  # /static/img/logo_geoyoung.ico
+"""
+
+import json
+from pathlib import Path
+
+_config = None
+_config_path = Path(__file__).parent / 'wholesalers.json'
+
+
+def _load_config():
+    global _config
+    if _config is None:
+        with open(_config_path, 'r', encoding='utf-8') as f:
+            _config = json.load(f)
+    return _config
+
+
+def get_wholesalers():
+    """전체 도매상 목록 반환 (순서대로)"""
+    config = _load_config()
+    order = config.get('order', [])
+    wholesalers = config.get('wholesalers', {})
+    return [wholesalers[key] for key in order if key in wholesalers]
+
+
+def get_wholesaler(wholesaler_id: str):
+    """특정 도매상 정보 반환"""
+    config = _load_config()
+    return config.get('wholesalers', {}).get(wholesaler_id)
+
+
+def get_all_wholesalers_dict():
+    """전체 도매상 딕셔너리 반환"""
+    config = _load_config()
+    return config.get('wholesalers', {})
+
+
+def get_config():
+    """전체 설정 반환"""
+    return _load_config()

backend/config/wholesalers.json

@@ -0,0 +1,65 @@
+{
+  "wholesalers": {
+    "geoyoung": {
+      "id": "geoyoung",
+      "name": "지오영",
+      "shortName": "지오영",
+      "icon": "🏭",
+      "logo": "/static/img/logo_geoyoung.ico",
+      "color": "#06b6d4",
+      "gradient": "linear-gradient(135deg, #0891b2, #06b6d4)",
+      "bgColor": "rgba(6, 182, 212, 0.1)",
+      "api": {
+        "balance": "/api/geoyoung/balance",
+        "stock": "/api/geoyoung/stock",
+        "order": "/api/geoyoung/order"
+      },
+      "env": {
+        "userId": "GEOYOUNG_USER_ID",
+        "password": "GEOYOUNG_PASSWORD"
+      }
+    },
+    "sooin": {
+      "id": "sooin",
+      "name": "수인약품",
+      "shortName": "수인",
+      "icon": "💊",
+      "logo": "/static/img/logo_sooin.svg",
+      "color": "#a855f7",
+      "gradient": "linear-gradient(135deg, #7c3aed, #a855f7)",
+      "bgColor": "rgba(168, 85, 247, 0.1)",
+      "api": {
+        "balance": "/api/sooin/balance",
+        "stock": "/api/sooin/stock",
+        "order": "/api/sooin/order"
+      },
+      "env": {
+        "userId": "SOOIN_USER_ID",
+        "password": "SOOIN_PASSWORD",
+        "vendorCode": "SOOIN_VENDOR_CODE"
+      }
+    },
+    "baekje": {
+      "id": "baekje",
+      "name": "백제약품",
+      "shortName": "백제",
+      "icon": "💉",
+      "logo": "/static/img/logo_baekje.ico",
+      "color": "#f59e0b",
+      "gradient": "linear-gradient(135deg, #d97706, #f59e0b)",
+      "bgColor": "rgba(245, 158, 11, 0.1)",
+      "api": {
+        "balance": "/api/baekje/balance",
+        "stock": "/api/baekje/stock",
+        "order": "/api/baekje/order"
+      },
+      "env": {
+        "userId": "BAEKJE_USER_ID",
+        "password": "BAEKJE_PASSWORD"
+      }
+    }
+  },
+  "order": ["baekje", "geoyoung", "sooin"],
+  "version": "1.0.0",
+  "lastUpdated": "2026-03-06"
+}