feat: 复盘四周期手动上传，移除 AI 识别预填

固定 5m/15m/1h/4h 四槽截图上传与详情四宫格展示；自动 K 线默认关闭且与手动上传互斥。

Co-authored-by: Cursor <cursoragent@cursor.com>

lib/instance/templates/embed_shell.html

@@ -111,11 +111,13 @@
             </div>
         </div>
         <div class="panel-body" id="detailBody"></div>
+        <div id="detailImages" class="journal-detail-images" style="display:none"></div>
         <img id="detailImage" class="panel-image" src="" alt="detail-image" style="display:none" onclick="showImage(this.src)">
     </div>
 </div>
 
-<script src="/static/instance_ui.js?v=4"></script>
+<script src="/static/instance_ui.js?v=5"></script>
+<script src="/static/journal_upload_slots.js?v=1"></script>
 <script src="/static/instance_records_mobile.js?v=2"></script>
 <script src="/static/time_close_ui.js?v=2"></script>
 <script src="/static/ai_review_render.js?v=2"></script>