feat: 품목정보 상세 패널 추가 및 프로젝트/근태/권한 기능 확장

- Items: 우측에 이미지, 담당자, 입고/발주내역 패널 추가 (fItems 윈폼 동일)
- Project: 목록 및 상세 다이얼로그 구현
- Kuntae: 오류검사/수정 기능 추가
- UserAuth: 사용자 권한 관리 페이지 추가
- UserGroup: 그룹정보 다이얼로그로 전환
- Header: 사용자 메뉴 서브메뉴 방향 수정, 즐겨찾기 기능
- Backend API: Items 상세/담당자/구매내역, 근태 오류검사, 프로젝트 목록 등

🤖 Generated with [Claude Code](https://claude.com/claude-code)

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

Project/fMain.resx

@@ -141,15 +141,6 @@
         0IOABBs4KBjggQGBjQM9XoQwIYIHBB4yUpjo8AFLBS9fKjAgYSJCAQEyeJAgIUAEnj4RAgjgQUPPCgwQ
         9Ey51APJABUIYKAwoADNBBlfRrCwtUOGBT49JEhAwIAFABQaFEDb0cMBAwg0DECbtOGFAoD7GlQomCHD
         gAA7
-</value>
-  </data>
-  <data name="로그인ToolStripMenuItem.Image" type="System.Drawing.Bitmap, System.Drawing" mimetype="application/x-microsoft.net.object.bytearray.base64">
-    <value>
-        R0lGODlhEAAQAIQXAM2VE9+3RfjopNSgIc+YFMmLEdyxVubEWt6xOuC6b+zau9SkF9mpL9uzbcySEuG2
-        QeS8SsaHD+fBSv354vbii+3LYf///////wAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAACH/C05FVFNDQVBF
-        Mi4wAwEBAAAh+QQBAAAXACwAAAAAEAAQAAAIggAvCBwo0IJBCwQTFqwAAQEDhAoXTpgoYQDEhBYqTKDA
-        kYKEBRclciRAoMEDCREuZtw40oKCCihVauxIIYEBmCkJruxYoWfMggYPsOyJU+WAABMqCJDgM+eFg0iV
-        Aigg4WfBo0kFADAYwWnBABSkQjSIcYDYiAMtBHCwFW3ag24HBgQAOw==
 </value>
   </data>
   <data name="codesToolStripMenuItem.Image" type="System.Drawing.Bitmap, System.Drawing" mimetype="application/x-microsoft.net.object.bytearray.base64">
@@ -452,16 +443,16 @@
   <data name="toolStripButton3.Image" type="System.Drawing.Bitmap, System.Drawing" mimetype="application/x-microsoft.net.object.bytearray.base64">
     <value>
         iVBORw0KGgoAAAANSUhEUgAAABAAAAAQCAYAAAAf8/9hAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8
-        YQUAAAAJcEhZcwAADsMAAA7DAcdvqGQAAAIGSURBVDhPlY9PaNNgGMbfi7iD+Oei4t3NphkeJogwETxI
-        E8GDKGyCXqZidUO7r+06EONhhS75vuq8DbQKWyJUBb30ItK4g1odztlpTRgM2hwmiCiDoWj6yheWugTm
-        nwceSJ73+T0kAL7Gu9aBHo2DLt4BQxyBic4OLy8KG8AQEmBEC2CIWTA6drSYgHTxHhgitjwhfoPJiARG
-        pBbIdcGBorA9BAvd/Lj5wT48UunH01UFByoZLNw8+eVy9mLzTPUq9r5O486SvDISzQcHDPH6pvt7n/XN
-        KcvEppi0KE6N92N99Cy+uxH/zjPfex4ffwGT4vvggN65hdjaFb+Um1KwlurBcvaAW0vIS7SUaA0QW33D
-        +8EBACCWdssvDb/NGTOJY0+rfYeWZ4+2Yylz8AmZzX3lt0sW/RxmPflfMGjRJH9fzPZsa6QlnDsn/HQu
-        dLcnLLab2OrSoE1nwqwnMk+7yAf1uf/eIJJUT8XQc1KOeR1LSxFbGwmAq0Xmta3+s5ORz/sDzvDhOM+U
-        BaVtwB7bGIDWUj0j5Z0hGbkbQzIL3/+qRlp61PqFVOxh+P5HYVlpW1RPvPpETyH3x9HelzwL9wJqmtci
-        rsnyaLLpBZP9QJPhaq9k016nTHf9Bktj612T3a6oSjMMrWXedU1a4Cy4ZcbChX81Z6Fp5ve7Jr2LJiv+
-        jznD2V8tj6pV862slAAAAABJRU5ErkJggg==
+        YQUAAAAJcEhZcwAADsMAAA7DAcdvqGQAAAIHSURBVDhPY2CAgZnGrAxLtTMZluosYFim08KwWFcdLL5K
+        i4dhmVYhwzLteQzLdFoZlqlLwfWggKU6qxmW6fyH48U6PxiWaHoyLNO8jiK+VOsJwyotCTTNWjYgSYG1
+        lv/9Tub8T7lc/z/3ZMX/eXNiP9S05P9LvdzwP/Jc2X/VbV5QQ7T7UA1YpjOBf435seQr9d+Kb/X8L7nZ
+        8//QzJz/jzrT/l+dlPkTJAbDJrtDTzAs0bmGasBSXcHiW911MEUdh+r/Xy+N+L+/1f7v9UKvzz3bCuEG
+        FN/qugBSj2oAAwND8c3uuTBFlZc6lp0vDDl4Odnt28Ugtf/bKpz2Fl/s+AiSK7jZ8w5dLxjAXFB0s6cE
+        xH/RGiH+uMzz/5UMrT9Psm3UCm/26hff6vpcdKvnPLpeMCi+02NcfKPrOIz/uNjT81Gpx38wLvHyAKu5
+        2V1afKu7BUUjMii+0y0GYz+p8MqCGfCk0jsTJFZ/v54j99ZEPhRNuMCjCs++J+Ve/0H4cblXL7o8QfC4
+        zHMj3AulHhvQ5fGC//vrOV50RZ1+0xP3H4RfdkaeAomhq0MB/w70a/490Nv3/0DvmfsHen//P9D7HxlD
+        xc6A1ezv0UBo3DaR/e+B3vknOuv/oWvChUFq/x7omQfSy/B3f28vugJiMUgvw78DfbZ/D/Qs/3+gdxUp
+        GKQHpBcAJ5WqUADLneEAAAAASUVORK5CYII=
 </value>
   </data>
   <metadata name="$this.TrayHeight" type="System.Int32, mscorlib, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089">