feat(project): 좌측 트리를 클라이언트 렌더 → 업무 추가/수정/삭제 즉시 반영

- 사이드 프로젝트 트리를 tasks 로부터 JS 로 재렌더(renderTree)
- refreshActiveView 에서 트리도 갱신 → 새로고침 없이 좌측에 바로 표시
- 새 업무 추가 시 해당 프로젝트 자동 펼침
- projectsMeta 에 created_by 추가(트리 삭제 권한용)

Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>

app/modules/project/router.py

@@ -418,6 +418,7 @@ async def project_page(request: Request, project_id: int) -> HTMLResponse:
             "color": p.get("color") or "#4573d2",
             "start_date": p.get("start_date"),
             "due_date": p.get("due_date"),
+            "created_by": p.get("created_by") or "",
         })
         nav_projects.append({
             "id": p["id"],

app/modules/project/templates/project/index.html

@@ -1,7 +1,7 @@
 {% extends "erp_base.html" %}
 
 {% block head_extra %}
-<link rel="stylesheet" href="/static/project.css?v=20260626a" />
+<link rel="stylesheet" href="/static/project.css?v=20260626b" />
 <link rel="stylesheet" href="/static/vendor/material-symbols/material-symbols.css" />
 {% endblock %}
 
@@ -167,5 +167,5 @@
 <script>
   window.PJ_COLORS = {{ ["#4573d2","#37a3a3","#62a420","#e8a33d","#e8384f","#aa62e3","#f06a6a","#5a6772"] | tojson }};
 </script>
-<script src="/static/project.js?v=20260626a" defer></script>
+<script src="/static/project.js?v=20260626b" defer></script>
 {% endblock %}

app/modules/project/templates/project/project.html

@@ -1,7 +1,7 @@
 {% extends "erp_base.html" %}
 
 {% block head_extra %}
-<link rel="stylesheet" href="/static/project.css?v=20260626a" />
+<link rel="stylesheet" href="/static/project.css?v=20260626b" />
 <!-- 구글 머티리얼 심볼(담당자 아이콘 등) — self-host -->
 <link rel="stylesheet" href="/static/vendor/material-symbols/material-symbols.css" />
 <!-- 타임라인 vis-timeline — self-host -->
@@ -37,7 +37,7 @@
           {% endif %}
         </div>
         {% if nav_projects %}
-        <ul class="pj-tree">
+        <ul class="pj-tree" id="pj-tree-root">
           {% for p in nav_projects %}
           <li class="pj-tree-li" data-id="{{ p.id }}">
             <div class="pj-tree-row {% if p.id == project.id %}is-active{% endif %}">
@@ -291,5 +291,5 @@
 </script>
 
 <script src="/static/vendor/vis-timeline/vis-timeline-graph2d.min.js"></script>
-<script src="/static/project.js?v=20260626a" defer></script>
+<script src="/static/project.js?v=20260626b" defer></script>
 {% endblock %}