feat: Phase 2 - 성분코드 기반 투약주기/병용약 JOIN 구현

- component_guide 테이블 생성 (PostgreSQL)
- IC2030126 (메벤다졸+프라지퀸텔) 샘플 데이터 입력
- 미리보기 API: apc + component_guide LEFT JOIN
- 모달에 투약주기, 병용약 섹션 추가 (보라색/녹색 강조)

backend/app.py

@@ -6636,14 +6636,22 @@ def api_animal_drug_info_preview():
             with pg_engine.connect() as conn:
                 result = conn.execute(text("""
                     SELECT 
-                        product_name,
+                        a.product_name,
-                        company_name,
+                        a.company_name,
-                        main_ingredient,
+                        a.main_ingredient,
-                        efficacy_effect,
+                        a.efficacy_effect,
-                        dosage_instructions,
+                        a.dosage_instructions,
-                        precautions
+                        a.precautions,
-                    FROM apc 
+                        a.component_code,
-                    WHERE apc = :apc
+                        g.component_name_ko,
+                        g.dosing_interval_adult,
+                        g.dosing_interval_high_risk,
+                        g.dosing_interval_puppy,
+                        g.companion_drugs,
+                        g.contraindication as guide_contraindication
+                    FROM apc a
+                    LEFT JOIN component_guide g ON a.component_code = g.component_code
+                    WHERE a.apc = :apc
                     LIMIT 1
                 """), {'apc': apc})
                 row = result.fetchone()
@@ -6673,6 +6681,17 @@ def api_animal_drug_info_preview():
             text = re.sub(r'\s+(\d+)\)\s*', r'\n  \1) ', text)
             return text.strip()
         
+        # 투약주기 조합
+        dosing_interval = None
+        if row.dosing_interval_adult:
+            parts = []
+            parts.append(f"일반: {row.dosing_interval_adult}")
+            if row.dosing_interval_high_risk:
+                parts.append(f"고위험: {row.dosing_interval_high_risk}")
+            if row.dosing_interval_puppy:
+                parts.append(f"새끼: {row.dosing_interval_puppy}")
+            dosing_interval = '\n'.join(parts)
+        
         return jsonify({
             'success': True,
             'data': {
@@ -6681,7 +6700,13 @@ def api_animal_drug_info_preview():
                 '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)),
-                'precautions': format_items(strip_html(row.precautions))
+                'precautions': format_items(strip_html(row.precautions)),
+                # 성분 가이드 (component_guide JOIN)
+                'component_code': row.component_code,
+                'component_name': row.component_name_ko,
+                'dosing_interval': dosing_interval,
+                'companion_drugs': row.companion_drugs,
+                'guide_contraindication': row.guide_contraindication
             }
         })
         

backend/templates/admin_products.html

@@ -1165,6 +1165,18 @@
                     <p style="margin:0;font-size:13px;line-height:1.7;color:#334155;white-space:pre-line;">${escapeHtml(info.precautions.substring(0, 800))}${info.precautions.length > 800 ? '...' : ''}</p>
                 </div>` : ''}
                 
+                ${info.dosing_interval ? `
+                <div style="margin-bottom:12px;background:#faf5ff;padding:12px;border-radius:8px;border:2px solid #c084fc;">
+                    <h5 style="margin:0 0 6px;color:#7c3aed;">▶ 투약 주기 ⭐</h5>
+                    <p style="margin:0;font-size:13px;line-height:1.7;color:#334155;white-space:pre-line;">${escapeHtml(info.dosing_interval)}</p>
+                </div>` : ''}
+                
+                ${info.companion_drugs ? `
+                <div style="margin-bottom:12px;background:#ecfdf5;padding:12px;border-radius:8px;border:2px solid #34d399;">
+                    <h5 style="margin:0 0 6px;color:#059669;">▶ 함께 투약 권장 💊</h5>
+                    <p style="margin:0;font-size:13px;line-height:1.7;color:#334155;">${escapeHtml(info.companion_drugs)}</p>
+                </div>` : ''}
+                
                 <div style="display:flex;gap:10px;margin-top:20px;">
                     <button onclick="document.getElementById('animalDrugModal').remove()" 
                             style="flex:1;padding:10px;border:1px solid #e2e8f0;background:#fff;border-radius:6px;cursor:pointer;">닫기</button>