feat: 용법용량 체중별 투여량 HTML 테이블 렌더링

- 표 형식(─ 문자) 감지 시 HTML <table> 변환
- 파란색 헤더, 굵은 숫자 스타일
- 미리보기 API에서 strip_html 개선 (표 형식 줄바꿈 유지)

backend/app.py

@@ -6691,14 +6691,22 @@ def api_animal_drug_info_preview():
         except Exception as e:
             return jsonify({'success': False, 'error': f'DB 오류: {str(e)}'}), 500
         
-        # HTML 태그 제거
+        # HTML 태그 제거 (표 형식은 줄바꿈 유지)
         def strip_html(html_text):
             if not html_text:
                 return ''
-            text = re.sub(r'<[^>]+>', '', html_text)
+            # <p>, </div> → 줄바꿈
+            text = re.sub(r'</p>|</div>', '\n', html_text)
+            text = re.sub(r'<[^>]+>', '', text)
             text = unescape(text)
-            text = re.sub(r'\s+', ' ', text).strip()
-            return text
+            
+            # 표 형식 감지
+            if '─' in text or '━' in text:
+                lines = [l.strip() for l in text.split('\n') if l.strip()]
+                return '\n'.join(lines)
+            else:
+                text = re.sub(r'\s+', ' ', text).strip()
+                return text
         
         # 항목별 줄바꿈 처리 (가. 나. 다. 라. / 1) 2) 3) 등)
         def format_items(text):
@@ -6710,6 +6718,53 @@ def api_animal_drug_info_preview():
             text = re.sub(r'\s+(\d+)\)\s*', r'\n  \1) ', text)
             return text.strip()
         
+        # 표 형식을 HTML 테이블로 변환
+        def format_table_html(text):
+            if not text:
+                return ''
+            
+            # 표가 없으면 일반 처리
+            if '─' not in text and '━' not in text:
+                return format_items(text)
+            
+            # 표 형식: 체중별 투여량 테이블 생성
+            lines = [l.strip() for l in text.split('\n') if l.strip() and '─' not in l and '━' not in l]
+            
+            # 체중 행과 투여정수 행 찾기
+            header_line = None
+            data_line = None
+            other_lines = []
+            
+            for line in lines:
+                if '체중' in line and 'kg' in line.lower():
+                    header_line = line
+                elif '투여' in line and '정수' in line:
+                    data_line = line
+                else:
+                    other_lines.append(line)
+            
+            result = '\n'.join(other_lines)
+            
+            # HTML 테이블 생성
+            if header_line and data_line:
+                headers = re.split(r'\s{2,}', header_line)
+                values = re.split(r'\s{2,}', data_line)
+                
+                html = '<table style="width:100%;border-collapse:collapse;margin:10px 0;font-size:13px;">'
+                html += '<tr style="background:#dbeafe;">'
+                for h in headers:
+                    html += f'<th style="border:1px solid #93c5fd;padding:8px;text-align:center;">{h}</th>'
+                html += '</tr>'
+                html += '<tr style="background:#fff;">'
+                for v in values:
+                    html += f'<td style="border:1px solid #93c5fd;padding:8px;text-align:center;font-weight:bold;color:#1e40af;">{v}</td>'
+                html += '</tr>'
+                html += '</table>'
+                
+                result = result + '\n' + html if result else html
+            
+            return result
+        
         # 투약주기 조합
         dosing_interval = None
         if row.dosing_interval_adult:
@@ -6728,7 +6783,8 @@ def api_animal_drug_info_preview():
                 'company_name': row.company_name,
                 'main_ingredient': row.main_ingredient if row.main_ingredient != 'NaN' else None,
                 'efficacy_effect': format_items(strip_html(row.efficacy_effect)),
-                'dosage_instructions': format_items(strip_html(row.dosage_instructions)),
+                'dosage_instructions': format_table_html(strip_html(row.dosage_instructions)),
+                'dosage_has_table': '─' in (row.dosage_instructions or ''),
                 'precautions': format_items(strip_html(row.precautions)),
                 # 성분 가이드 (component_guide JOIN)
                 'component_code': row.component_code,

backend/templates/admin_products.html

@@ -1156,7 +1156,7 @@
                 ${info.dosage_instructions ? `
                 <div style="margin-bottom:12px;background:#eff6ff;padding:12px;border-radius:8px;">
                     <h5 style="margin:0 0 6px;color:#0284c7;">▶ 용법용량</h5>
-                    <p style="margin:0;font-size:13px;line-height:1.7;color:#334155;white-space:pre-line;">${escapeHtml(info.dosage_instructions)}</p>
+                    <div style="margin:0;font-size:13px;line-height:1.7;color:#334155;white-space:pre-line;">${info.dosage_has_table ? info.dosage_instructions : escapeHtml(info.dosage_instructions)}</div>
                 </div>` : ''}
                 
                 ${info.dosing_interval ? `