Update project files

src/features/astraOffice/view/runtime.ts

@@ -408,8 +408,31 @@ function move(role,x,y){
   ch.style.left=x+'px';
   ch.style.top=y+'px';
 }
-setInterval(()=>{Object.keys(chars).forEach(k=>{const a=anim[k];if(a.mode==='walk'){a.frame=(a.frame+1)%5;setSprite(k,'walk',a.frame,a.dir)}else if(a.mode==='work'){a.frame=(a.frame+1)%4;setSprite(k,'work',a.frame)} });},286)
-setInterval(()=>{Object.keys(chars).forEach(k=>{const a=anim[k];if(a.mode==='sit'){a.frame=(a.frame+1)%2;setSprite(k,'sit',a.frame)} });},700)
+// ── Managed intervals (pause while the office view is hidden) ──
+// The pixel-office runs several animation/roam/banter intervals. While the
+// webview tab is not visible they do invisible work and keep timers hot —
+// wasteful. _managedInterval registers each one; a visibilitychange handler
+// pauses them all when the document is hidden and resumes them when shown.
+// Behavior while visible is unchanged (same callbacks, same periods).
+const _managedIntervals=[];
+function _managedInterval(fn,ms){
+  const rec={fn:fn,ms:ms,id:null};
+  rec.id=setInterval(fn,ms);
+  _managedIntervals.push(rec);
+  return rec;
+}
+function _pauseManagedIntervals(){
+  for(const rec of _managedIntervals){ if(rec.id!==null){ clearInterval(rec.id); rec.id=null; } }
+}
+function _resumeManagedIntervals(){
+  for(const rec of _managedIntervals){ if(rec.id===null){ rec.id=setInterval(rec.fn,rec.ms); } }
+}
+document.addEventListener('visibilitychange',()=>{
+  if(document.hidden) _pauseManagedIntervals();
+  else _resumeManagedIntervals();
+});
+_managedInterval(()=>{Object.keys(chars).forEach(k=>{const a=anim[k];if(a.mode==='walk'){a.frame=(a.frame+1)%5;setSprite(k,'walk',a.frame,a.dir)}else if(a.mode==='work'){a.frame=(a.frame+1)%4;setSprite(k,'work',a.frame)} });},286)
+_managedInterval(()=>{Object.keys(chars).forEach(k=>{const a=anim[k];if(a.mode==='sit'){a.frame=(a.frame+1)%2;setSprite(k,'sit',a.frame)} });},700)
 // ── 책상 회피 path planner ──
 // walkPath의 각 leg를 직선이 아닌 *책상을 우회하는* L자 또는 corridor 경로로
 // 펴서 캐릭터가 책상을 가로지르지 않게. 책상이 회전됐을 때를 대비해 padding
@@ -498,7 +521,7 @@ function sendHome(role,mode='sit'){
   if(Math.abs(cx-hx)<1&&Math.abs(cy-hy)<1){setSprite(role,mode);return;}
   walkPath(role,[st.dock,[hx,hy]],()=>setSprite(role,mode));
 }
-setInterval(()=>{
+_managedInterval(()=>{
   if(!['idle','done'].includes(_prevStatus || 'idle')) return;
   const free=Object.keys(chars).filter(k=>anim[k]?.mode==='sit'&&!chars[k].classList.contains('active'));
   if(!free.length)return;
@@ -725,7 +748,7 @@ function _innerThoughtTick(){
   const text = _innerThoughtFor(st.agentKey, anim[role].mode);
   if(text) _bubbleFromLog(role, text);
 }
-setInterval(_innerThoughtTick, 7500);
+_managedInterval(_innerThoughtTick, 7500);
 
 // ── Webtoon-style 티키타카 banter (refactor: pipeline-aware) ──
 // 각 phase 에 *시퀀스화된 대화 script* 가 있어 phase 진입 시 한 줄씩 시간 차로 emit.

src/features/secondBrainTrace.ts

@@ -584,7 +584,35 @@ interface FileScan {
     documentProject: string | undefined;
 }
 
+/**
+ * mtime-keyed scan cache. The previous implementation re-read (and re-classified)
+ * every brain file from disk on every chat message. We now reuse a parsed
+ * `FileScan` while the file's mtime is unchanged — re-reading only when the file
+ * actually changes. This mirrors the mtime-keyed caching style of
+ * `retrieval/brainIndex.ts` (whose `getBrainTokenIndex` caches tokens the same
+ * way) while keeping the scan output byte-identical, so scoring is unaffected.
+ */
+interface ScanCacheEntry {
+    mtimeMs: number;
+    size: number;
+    scan: FileScan;
+}
+const _scanCache = new Map<string, ScanCacheEntry>();
+
 function scanFile(file: string, brainRoot: string): FileScan {
+    let mtimeMs = 0;
+    let size = 0;
+    try {
+        const stat = fs.statSync(file);
+        mtimeMs = stat.mtimeMs;
+        size = stat.size;
+        const cached = _scanCache.get(file);
+        if (cached && cached.mtimeMs === mtimeMs && cached.size === size) {
+            return cached.scan;
+        }
+    } catch {
+        // stat failed — fall through and attempt a fresh read (which will also fail safely)
+    }
     const relative = path.relative(brainRoot, file);
     const title = path.basename(file, path.extname(file));
     let content = '';
@@ -598,7 +626,11 @@ function scanFile(file: string, brainRoot: string): FileScan {
     const lower = content.toLowerCase();
     const documentProject = inferDocumentProject(relative, lower);
     const titleWithPath = `${relative.replace(/[\\/]/g, ' ')} ${title}`;
-    return { file, relative, title, titleWithPath, content, lower, sourceType, knowledgeRole, documentProject };
+    const scan: FileScan = { file, relative, title, titleWithPath, content, lower, sourceType, knowledgeRole, documentProject };
+    if (mtimeMs > 0) {
+        _scanCache.set(file, { mtimeMs, size, scan });
+    }
+    return scan;
 }
 
 function scoreScan(scan: FileScan, terms: string[], intent: SecondBrainQueryIntent, targetProject?: string): SecondBrainTraceDocument {