Phase 8 Complete: Sync Audit Log + Frontend Integration

- Thêm audit/sync_audit.py: Ghi lịch sử sync vào audit/sync_log.json
- Thêm API endpoints: /sync/history, /sync/history/{run_id}
- Frontend: Nút 'Lịch sử đồng bộ' + panel expand chi tiết từng file
- Sửa frontend served từ backend (http://localhost:8000)
- Cập nhật DEPLOYMENT_GUIDE với hướng dẫn chạy localhost
- Cập nhật ARCHITECTURE_MAP: Phase 8 hoàn thành

frontend/style.css

@@ -344,6 +344,122 @@ textarea {
 .source-item h4 { font-size: 14px; margin-bottom: 5px; color: var(--primary); }
 .source-item p { font-size: 12px; color: var(--text-muted); line-height: 1.4; }
 
+/* History Panel */
+.history-item {
+    background: rgba(255, 255, 255, 0.05);
+    border: 1px solid var(--glass-border);
+    border-radius: 12px;
+    padding: 15px;
+    margin-bottom: 12px;
+    cursor: pointer;
+    transition: 0.3s;
+}
+
+.history-item:hover {
+    background: rgba(255, 255, 255, 0.08);
+}
+
+.history-item .history-header {
+    display: flex;
+    justify-content: space-between;
+    align-items: center;
+    margin-bottom: 8px;
+}
+
+.history-item .history-time {
+    font-size: 12px;
+    color: var(--text-muted);
+}
+
+.history-item .history-status {
+    font-size: 11px;
+    padding: 2px 8px;
+    border-radius: 6px;
+    font-weight: 600;
+}
+
+.history-item .history-status.completed {
+    background: rgba(16, 185, 129, 0.2);
+    color: #10b981;
+}
+
+.history-item .history-status.failed {
+    background: rgba(239, 68, 68, 0.2);
+    color: #ef4444;
+}
+
+.history-item .history-status.running {
+    background: rgba(139, 92, 246, 0.2);
+    color: #8b5cf6;
+}
+
+.history-item .history-summary {
+    display: flex;
+    gap: 12px;
+    font-size: 12px;
+    color: var(--text-muted);
+}
+
+.history-item .history-summary span {
+    display: flex;
+    align-items: center;
+    gap: 4px;
+}
+
+.history-files {
+    margin-top: 10px;
+    padding-top: 10px;
+    border-top: 1px solid var(--glass-border);
+    display: none;
+}
+
+.history-item.expanded .history-files {
+    display: block;
+}
+
+.history-file {
+    display: flex;
+    justify-content: space-between;
+    align-items: center;
+    padding: 6px 0;
+    font-size: 12px;
+    border-bottom: 1px solid rgba(255,255,255,0.03);
+}
+
+.history-file:last-child {
+    border-bottom: none;
+}
+
+.history-file-name {
+    color: var(--text-main);
+    flex: 1;
+    overflow: hidden;
+    text-overflow: ellipsis;
+    white-space: nowrap;
+}
+
+.history-file-status {
+    font-size: 10px;
+    padding: 2px 6px;
+    border-radius: 4px;
+    margin-left: 8px;
+}
+
+.history-file-status.indexed {
+    background: rgba(16, 185, 129, 0.2);
+    color: #10b981;
+}
+
+.history-file-status.skipped {
+    background: rgba(234, 179, 8, 0.2);
+    color: #eab308;
+}
+
+.history-file-status.error {
+    background: rgba(239, 68, 68, 0.2);
+    color: #ef4444;
+}
+
 /* Login Screen */
 .login-screen {
     position: fixed;