fix(history): hybrid data — trajectory(truncated) + cascades(latest) for complete conversation view

public/js/app.js

@@ -149,16 +149,65 @@
 
     async function refreshTrajectory(sessionId, scrollToBottom = true) {
         try {
-            const res = await fetch(`/api/bridge/trajectory/${sessionId}`);
-            if (!res.ok) return;
-            const data = await res.json();
-            if (data.trajectory?.steps) {
-                const messages = parseTrajectoryToMessages(data.trajectory.steps);
+            // 1) trajectory (앞부분 ~336개)
+            // 2) cascades (최신 상태: latestNotifyUserStep + latestTaskBoundaryStep)
+            const [trajRes, cascRes] = await Promise.all([
+                fetch(`/api/bridge/trajectory/${sessionId}`),
+                fetch('/api/bridge/cascades'),
+            ]);
+
+            let messages = [];
+
+            // trajectory 파싱
+            if (trajRes.ok) {
+                const trajData = await trajRes.json();
+                if (trajData.trajectory?.steps) {
+                    messages = parseTrajectoryToMessages(trajData.trajectory.steps);
+
+                    // trajectory가 전체가 아닌 경우 (numTotalSteps > steps.length)
+                    const total = trajData.numTotalSteps || 0;
+                    const got = trajData.trajectory.steps.length;
+                    if (total > got) {
+                        messages.push({
+                            type: 'status',
+                            text: `⋯ ${total - got}개 스텝 생략 ⋯`,
+                        });
+                    }
+                }
+            }
+
+            // cascades에서 최신 상태 보강
+            if (cascRes.ok) {
+                const cascData = await cascRes.json();
+                const cascade = (cascData.cascades || cascData)[sessionId];
+                if (cascade) {
+                    // latestTaskBoundaryStep → 현재 작업 상태
+                    if (cascade.latestTaskBoundaryStep?.step?.taskBoundary) {
+                        const tb = cascade.latestTaskBoundaryStep.step.taskBoundary;
+                        messages.push({
+                            type: 'task',
+                            title: tb.taskName || '',
+                            summary: tb.taskSummary || '',
+                            status: tb.taskStatus || '',
+                            mode: tb.mode || '',
+                            tools: [],
+                        });
+                    }
+                    // latestNotifyUserStep → 마지막 AI 응답
+                    if (cascade.latestNotifyUserStep?.step?.notifyUser?.notificationContent) {
+                        const content = cascade.latestNotifyUserStep.step.notifyUser.notificationContent;
+                        messages.push({
+                            type: 'text',
+                            html: simpleMarkdown(content),
+                        });
+                    }
+                }
+            }
+
             chatPanel.updateChat(messages);
             if (scrollToBottom) {
                 const el = document.getElementById('chatMessages');
-                    if (el) setTimeout(() => el.scrollTop = el.scrollHeight, 50);
-                }
+                if (el) setTimeout(() => el.scrollTop = el.scrollHeight, 100);
             }
         } catch (e) {
             console.warn('[Bridge] trajectory 로드 실패:', e);