feat: AI 서비스 및 AI 어시스턴트 전용 페이지 추가

- ai-service: Ollama 기반 AI 서비스 (분류, 시맨틱 검색, RAG Q&A, 패턴 분석)
- AI 어시스턴트 페이지: 채팅형 Q&A, 시맨틱 검색, 패턴 분석, 분류 테스트
- 권한 시스템에 ai_assistant 페이지 등록 (기본 비활성)
- 기존 페이지에 AI 기능 통합 (대시보드, 수신함, 관리함)
- docker-compose, gateway, nginx 설정 업데이트

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

system3-nonconformance/web/static/js/pages/issues-management.js

@@ -930,13 +930,100 @@ async function openIssueDetailModal(issueId) {
 
     // 모달 표시
     document.getElementById('issueDetailModal').classList.remove('hidden');
+
+    // AI 유사 부적합 자동 로드
+    const aiPanel = document.getElementById('aiSimilarPanel');
+    if (aiPanel) {
+        aiPanel.classList.remove('hidden');
+        loadSimilarIssues();
+    }
 }
 
 function closeIssueDetailModal() {
     document.getElementById('issueDetailModal').classList.add('hidden');
+    const aiPanel = document.getElementById('aiSimilarPanel');
+    if (aiPanel) aiPanel.classList.add('hidden');
+    // RAG 결과 초기화
+    const suggestResult = document.getElementById('aiSuggestResult');
+    if (suggestResult) suggestResult.classList.add('hidden');
     currentModalIssueId = null;
 }
 
+// RAG: AI 해결방안 제안
+async function aiSuggestSolution() {
+    if (!currentModalIssueId || typeof AiAPI === 'undefined') return;
+    const btn = document.getElementById('aiSuggestSolutionBtn');
+    const loading = document.getElementById('aiSuggestLoading');
+    const result = document.getElementById('aiSuggestResult');
+    const content = document.getElementById('aiSuggestContent');
+    const sources = document.getElementById('aiSuggestSources');
+
+    if (btn) btn.disabled = true;
+    if (loading) loading.classList.remove('hidden');
+    if (result) result.classList.add('hidden');
+
+    const data = await AiAPI.suggestSolution(currentModalIssueId);
+
+    if (loading) loading.classList.add('hidden');
+    if (btn) btn.disabled = false;
+
+    if (!data.available) {
+        if (content) content.textContent = 'AI 서비스를 사용할 수 없습니다';
+        if (result) result.classList.remove('hidden');
+        return;
+    }
+
+    if (content) content.textContent = data.suggestion || '';
+    if (sources && data.referenced_issues) {
+        const refs = data.referenced_issues
+            .filter(r => r.has_solution)
+            .map(r => `No.${r.id}(${r.similarity}%)`)
+            .join(', ');
+        sources.textContent = refs ? `참고 사례: ${refs}` : '';
+    }
+    if (result) result.classList.remove('hidden');
+}
+
+// AI 유사 부적합 검색
+async function loadSimilarIssues() {
+    if (!currentModalIssueId || typeof AiAPI === 'undefined') return;
+    const loading = document.getElementById('aiSimilarLoading');
+    const results = document.getElementById('aiSimilarResults');
+    const empty = document.getElementById('aiSimilarEmpty');
+    if (loading) loading.classList.remove('hidden');
+    if (results) results.innerHTML = '';
+    if (empty) empty.classList.add('hidden');
+
+    const data = await AiAPI.getSimilarIssues(currentModalIssueId, 5);
+    if (loading) loading.classList.add('hidden');
+
+    if (!data.available || !data.results || data.results.length === 0) {
+        if (empty) empty.classList.remove('hidden');
+        return;
+    }
+
+    results.innerHTML = data.results.map(r => {
+        const meta = r.metadata || {};
+        const similarity = Math.round((r.similarity || 0) * 100);
+        const issueId = meta.issue_id || r.id.replace('issue_', '');
+        const doc = (r.document || '').substring(0, 80);
+        const cat = meta.category || '';
+        return `
+            <div class="bg-purple-50 border border-purple-100 rounded-lg p-3 cursor-pointer hover:bg-purple-100 transition-colors"
+                 onclick="openIssueDetailModal(${issueId})"
+                <div class="flex items-center justify-between mb-1">
+                    <span class="text-xs font-medium text-purple-700">No.${issueId}</span>
+                    <span class="text-xs px-2 py-0.5 rounded-full ${similarity >= 70 ? 'bg-purple-200 text-purple-800' : 'bg-gray-200 text-gray-600'}">
+                        ${similarity}% 유사
+                    </span>
+                </div>
+                <p class="text-xs text-gray-600 line-clamp-2">${doc}...</p>
+                ${cat ? `<span class="text-xs text-purple-500 mt-1 inline-block">${cat}</span>` : ''}
+            </div>
+        `;
+    }).join('');
+}
+
 function createModalContent(issue, project) {
     return `
         <div class="grid grid-cols-1 md:grid-cols-2 gap-6">
@@ -1186,17 +1273,8 @@ function getPriorityBadge(priority) {
     return `<span class="badge ${p.class}">${p.text}</span>`;
 }
 
-// API 스크립트 동적 로딩
-const script = document.createElement('script');
-script.src = '/static/js/api.js?v=20260213';
-script.onload = function() {
-    console.log('✅ API 스크립트 로드 완료 (issues-management.js)');
-    initializeManagement();
-};
-script.onerror = function() {
-    console.error('❌ API 스크립트 로드 실패');
-};
-document.head.appendChild(script);
+// 초기화 (api.js는 HTML에서 로드됨)
+initializeManagement();
 
 // 추가 정보 모달 관련 함수들
 let selectedIssueId = null;