- Add signature?: string to User type and 'signature' to FieldType
- Add surgeonSignature field to DEFAULT_FORM_FIELDS (category: 图片)
- UserManage: add canvas-based image compression (max 500px) and signature upload UI
- TemplateManage: add hover highlight on field buttons via direct DOM style manipulation
- TemplateManage: add '图片' category to field library for surgeonSignature insertion
- ReportEditor: auto-fill surgeonSignature with currentUser.signature image or placeholder text
- index.css & print.ts: add .report-signature-img styling (height 2.4em, vertical-align middle)
- Update experience record (#18)
- Move delete-btn to top-right of smart-field-wrapper via absolute positioning
- Add template-editor-mode class to TemplateManage editor for CSS isolation
- Show delete-btn only on hover/focus-within inside template-editor-mode
- Add .field-value:focus highlight with background darken and blue glow
- Sync defaultContent.ts smartField() HTML structure
- Fix ReportEditor multi_select .map crash with Array.isArray guard
- TemplateManage: add uniqueness check for smart fields to prevent duplicate inserts
- Add red circular delete button to smart-field-wrapper (visible on hover via CSS)
- Enhance keydown handler to delete smart fields at block-level boundaries
- Update defaultContent.ts smartField() to include delete-btn
- ReportManage: add per-row checkboxes, select-all, bulk delete
- Add single-report export modal (PDF via printDocument, JSON via Blob)
- Add bulk export actions for PDF and JSON
- Update experience record (#16)
- Compress insertSmartField HTML to single-line, remove trailing
- Compress smartField helper in defaultContent.ts to single-line
- Add white-space: nowrap to .smart-field-wrapper (CSS + inline)
- Add keydown interceptor in TemplateManage to prevent Backspace/Delete
from removing whole <p> when adjacent to smart-field-wrapper
- Update experience record (#14)
