feat: 사용자 요구사항 기능 완전 구현 및 전체 카테고리 추가

- 사용자 요구사항 저장/로드/엑셀 내보내기 기능 완전 구현
- 백엔드 API 수정: Request Body 방식으로 변경
- 데이터베이스 스키마: material_id 컬럼 추가
- 프론트엔드 상태 관리 개선: 저장 후 자동 리로드
- 입력 필드 연결 문제 해결: 누락된 onChange 핸들러 추가
- NewMaterialsPage에 '전체' 카테고리 버튼 추가 (기본 선택)
- Docker 환경 개선: 프론트엔드 볼륨 마운트 및 포트 수정
- UI 개선: 벌레 이모지 제거, 디버그 코드 정리

backend/app/routers/files.py

@@ -2,6 +2,7 @@ from fastapi import APIRouter, Depends, HTTPException, UploadFile, File, Form, R
 from sqlalchemy.orm import Session
 from sqlalchemy import text
 from typing import List, Optional, Dict
+from pydantic import BaseModel
 import os
 import shutil
 from datetime import datetime
@@ -2629,6 +2630,7 @@ async def get_user_requirements(
             {
                 "id": req.id,
                 "file_id": req.file_id,
+                "material_id": req.material_id,
                 "original_filename": req.original_filename,
                 "job_no": req.job_no,
                 "revision": req.revision,
@@ -2651,17 +2653,20 @@ async def get_user_requirements(
     except Exception as e:
         raise HTTPException(status_code=500, detail=f"사용자 요구사항 조회 실패: {str(e)}")
 
+class UserRequirementCreate(BaseModel):
+    file_id: int
+    material_id: Optional[int] = None
+    requirement_type: str
+    requirement_title: str
+    requirement_description: Optional[str] = None
+    requirement_spec: Optional[str] = None
+    priority: str = "NORMAL"
+    assigned_to: Optional[str] = None
+    due_date: Optional[str] = None
+
 @router.post("/user-requirements")
 async def create_user_requirement(
-    file_id: int,
-    requirement_type: str,
-    requirement_title: str,
-    material_id: Optional[int] = None,
-    requirement_description: Optional[str] = None,
-    requirement_spec: Optional[str] = None,
-    priority: str = "NORMAL",
-    assigned_to: Optional[str] = None,
-    due_date: Optional[str] = None,
+    requirement: UserRequirementCreate,
     db: Session = Depends(get_db)
 ):
     """
@@ -2681,15 +2686,15 @@ async def create_user_requirement(
         """)
         
         result = db.execute(insert_query, {
-            "file_id": file_id,
-            "material_id": material_id,
-            "requirement_type": requirement_type,
-            "requirement_title": requirement_title,
-            "requirement_description": requirement_description,
-            "requirement_spec": requirement_spec,
-            "priority": priority,
-            "assigned_to": assigned_to,
-            "due_date": due_date
+            "file_id": requirement.file_id,
+            "material_id": requirement.material_id,
+            "requirement_type": requirement.requirement_type,
+            "requirement_title": requirement.requirement_title,
+            "requirement_description": requirement.requirement_description,
+            "requirement_spec": requirement.requirement_spec,
+            "priority": requirement.priority,
+            "assigned_to": requirement.assigned_to,
+            "due_date": requirement.due_date
         })
         
         requirement_id = result.fetchone()[0]