feat(project): 내 업무 패널 스크롤 + 프로젝트 폴더 펼치기/접기 토글

- .pj-home-side 에 max-height+overflow-y:auto 추가 — 목록이 길어지면
  패널 안에서만 스크롤(프로젝트 상세 화면은 기존 height:100% 우선 적용).
- "내 업무"의 프로젝트별 폴더 아이콘을 별도 토글 버튼으로 분리(이름은
  계속 프로젝트로 이동하는 링크) — 클릭 시 하위 업무 목록 펼침/접힘,
  아이콘도 folder_open/folder 로 전환. localStorage로 접힘 상태 기억.

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

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

@@ -1,7 +1,7 @@
 {% extends "erp_base.html" %}
 
 {% block head_extra %}
-<link rel="stylesheet" href="/static/project.css?v=20260916l" />
+<link rel="stylesheet" href="/static/project.css?v=20260916m" />
 <link rel="stylesheet" href="/static/vendor/material-symbols/material-symbols.css" />
 {% endblock %}
 
@@ -45,5 +45,5 @@
   {% endif %}
 </div>
 
-<script src="/static/project.js?v=20260916m" defer></script>
+<script src="/static/project.js?v=20260916n" defer></script>
 {% endblock %}

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=20260916l" />
+<link rel="stylesheet" href="/static/project.css?v=20260916m" />
 <link rel="stylesheet" href="/static/vendor/material-symbols/material-symbols.css" />
 {% endblock %}
 
@@ -150,11 +150,15 @@
       {% else %}
       <div class="pj-mytree">
         {% for p in my_projects %}
-        <div class="pj-mytree-group">
-          <a class="pj-mytree-proj" href="/project/p/{{ p.id }}">
-            <span class="material-symbols-outlined" style="color: {{ p.color }}; font-size:18px;">folder</span>
-            <span class="pj-mytree-proj-name">{{ p.name }}</span>
-          </a>
+        <div class="pj-mytree-group" data-group-id="{{ p.id }}">
+          <div class="pj-mytree-head">
+            <button type="button" class="pj-mytree-toggle" title="펼치기/접기">
+              <span class="material-symbols-outlined" style="color: {{ p.color }}; font-size:18px;">folder_open</span>
+            </button>
+            <a class="pj-mytree-proj" href="/project/p/{{ p.id }}">
+              <span class="pj-mytree-proj-name">{{ p.name }}</span>
+            </a>
+          </div>
           <ul class="pj-mytree-tasks">
             {% for t in p.tasks %}
             <li class="pj-mytree-task {% if t.completed_at %}is-done{% endif %}">
@@ -376,5 +380,5 @@
 <script>
   window.PJ_COLORS = {{ ["#4573d2","#37a3a3","#62a420","#e8a33d","#e8384f","#aa62e3","#f06a6a","#5a6772"] | tojson }};
 </script>
-<script src="/static/project.js?v=20260916m" defer></script>
+<script src="/static/project.js?v=20260916n" 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=20260916l" />
+<link rel="stylesheet" href="/static/project.css?v=20260916m" />
 <!-- 구글 머티리얼 심볼(담당자 아이콘 등) — self-host -->
 <link rel="stylesheet" href="/static/vendor/material-symbols/material-symbols.css" />
 <!-- 타임라인 vis-timeline — self-host -->
@@ -175,11 +175,15 @@
       {% else %}
       <div class="pj-mytree">
         {% for p in my_projects %}
-        <div class="pj-mytree-group">
-          <a class="pj-mytree-proj" href="/project/p/{{ p.id }}">
-            <span class="material-symbols-outlined" style="color: {{ p.color }}; font-size:18px;">folder</span>
-            <span class="pj-mytree-proj-name">{{ p.name }}</span>
-          </a>
+        <div class="pj-mytree-group" data-group-id="{{ p.id }}">
+          <div class="pj-mytree-head">
+            <button type="button" class="pj-mytree-toggle" title="펼치기/접기">
+              <span class="material-symbols-outlined" style="color: {{ p.color }}; font-size:18px;">folder_open</span>
+            </button>
+            <a class="pj-mytree-proj" href="/project/p/{{ p.id }}">
+              <span class="pj-mytree-proj-name">{{ p.name }}</span>
+            </a>
+          </div>
           <ul class="pj-mytree-tasks">
             {% for t in p.tasks %}
             <li class="pj-mytree-task {% if t.completed_at %}is-done{% endif %}">
@@ -388,5 +392,5 @@
 </script>
 
 <script src="/static/vendor/vis-timeline/vis-timeline-graph2d.min.js"></script>
-<script src="/static/project.js?v=20260916m" defer></script>
+<script src="/static/project.js?v=20260916n" defer></script>
 {% endblock %}