chore: bump version to 0.1580

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

src/session.ts

@@ -467,6 +467,10 @@ export class Session extends EventEmitter {
     return this._terminalBuffer.value;
   }
 
+  get terminalBufferLength(): number {
+    return this._terminalBuffer.length;
+  }
+
   get textOutput(): string {
     return this._textOutput.value;
   }

src/web/public/app.js

@@ -33,6 +33,15 @@ const WINDOW_MIN_WIDTH_PX = 200;
 const WINDOW_MIN_HEIGHT_PX = 200;
 const WINDOW_DEFAULT_WIDTH_PX = 300;
 
+// Scheduler API — prioritize terminal writes over background UI updates.
+// scheduler.postTask('background') defers non-critical work (connection lines, panel renders)
+// so the main thread stays free for terminal rendering at 60fps.
+const _hasScheduler = typeof globalThis.scheduler?.postTask === 'function';
+function scheduleBackground(fn) {
+  if (_hasScheduler) { scheduler.postTask(fn, { priority: 'background' }); }
+  else { requestAnimationFrame(fn); }
+}
+
 // DEC mode 2026 - Synchronized Output
 // Wrap terminal writes with these markers to prevent partial-frame flicker.
 // Terminal buffers all output between markers and renders atomically.
@@ -1871,6 +1880,16 @@ class ClaudemanApp {
 
     const container = document.getElementById('terminalContainer');
     this.terminal.open(container);
+
+    // Activate WebGL renderer for up to 900% faster rendering (fallback to canvas on failure)
+    if (typeof WebglAddon !== 'undefined') {
+      try {
+        const webglAddon = new WebglAddon.WebglAddon();
+        webglAddon.onContextLoss(() => { webglAddon.dispose(); });
+        this.terminal.loadAddon(webglAddon);
+      } catch (_e) { /* WebGL2 unavailable — canvas renderer used */ }
+    }
+
     this._localEchoOverlay = new LocalEchoOverlay(this.terminal);
 
     // On mobile Safari, delay initial fit() to allow layout to settle
@@ -3624,6 +3643,16 @@ class ClaudemanApp {
           this.subagentToolResults.delete(data.agentId);
         }
       }, 5 * 60 * 1000); // 5 minutes
+
+      // Prune stale completed agents from main maps after 30 minutes
+      // Keeps subagents/subagentParentMap from growing unbounded in 24h sessions
+      setTimeout(() => {
+        const agent = this.subagents.get(data.agentId);
+        if (agent?.status === 'completed' && !this.subagentWindows.has(data.agentId)) {
+          this.subagents.delete(data.agentId);
+          this.subagentParentMap.delete(data.agentId);
+        }
+      }, 30 * 60 * 1000); // 30 minutes
     });
 
     // ========== Image Detection Events (Screenshots & Generated Images) ==========
@@ -12399,7 +12428,7 @@ class ClaudemanApp {
       clearTimeout(this._subagentPanelRenderTimeout);
     }
     this._subagentPanelRenderTimeout = setTimeout(() => {
-      this._renderSubagentPanelImmediate();
+      scheduleBackground(() => this._renderSubagentPanelImmediate());
     }, 150);
   }
 
@@ -12902,10 +12931,11 @@ class ClaudemanApp {
   // This map stores agentId -> sessionId, where sessionId is the tab's data-id.
 
   updateConnectionLines() {
-    // Coalesce multiple calls within the same frame into a single rAF
+    // Coalesce multiple calls — uses background scheduler priority to avoid
+    // competing with terminal writes for main thread time
     if (!this._connectionLinesScheduled) {
       this._connectionLinesScheduled = true;
-      requestAnimationFrame(() => {
+      scheduleBackground(() => {
         this._connectionLinesScheduled = false;
         this._updateConnectionLinesImmediate();
       });

src/web/public/index.html

@@ -17,6 +17,7 @@
        'defer' preserves execution order (xterm loads before fit addon). -->
   <script defer src="vendor/xterm.min.js"></script>
   <script defer src="vendor/xterm-addon-fit.min.js"></script>
+  <script defer src="vendor/xterm-addon-webgl.min.js"></script>
   <!-- Synchronous mobile detection — runs before first paint to prevent panel flash -->
   <script>if(window.innerWidth<768||(('ontouchstart' in window||navigator.maxTouchPoints>0)&&window.innerWidth<1024))document.documentElement.classList.add('mobile-init');</script>
   <!-- Inline critical CSS for instant skeleton paint (before styles.css loads) -->

src/web/public/styles.css

@@ -2990,6 +2990,8 @@ body {
   border-radius: 6px;
   border-left: 2px solid var(--border);
   transition: background 0.15s;
+  content-visibility: auto;
+  contain-intrinsic-size: auto 40px;
 }
 
 .timeline-event:hover {
@@ -3874,6 +3876,8 @@ kbd {
   cursor: pointer;
   transition: background 0.15s;
   animation: notif-slide-in 0.2s ease;
+  content-visibility: auto;
+  contain-intrinsic-size: auto 60px;
 }
 
 .notif-item:hover {
@@ -4631,6 +4635,8 @@ kbd {
   margin-bottom: 0.4rem;
   cursor: pointer;
   transition: background 0.15s;
+  content-visibility: auto;
+  contain-intrinsic-size: auto 48px;
 }
 
 .subagent-item:hover {
@@ -5731,6 +5737,8 @@ kbd {
 
 .log-viewer-window-body .log-line {
   padding: 0.1rem 0;
+  content-visibility: auto;
+  contain-intrinsic-size: auto 20px;
 }
 
 .log-viewer-window-body .log-error {

src/web/server.ts

@@ -632,11 +632,13 @@ export class WebServer extends EventEmitter {
     });
 
     // Serve static files — versioned assets (?v=X) are immutable, cache aggressively
+    // preCompressed: serve pre-built .br/.gz files (from build step) to avoid per-request CPU compression
     await this.app.register(fastifyStatic, {
       root: join(__dirname, 'public'),
       prefix: '/',
       maxAge: '1y',
       immutable: true,
+      preCompressed: true,
     });
 
     // SSE endpoint for real-time updates
@@ -1756,32 +1758,15 @@ export class WebServer extends EventEmitter {
         return createErrorResponse(ApiErrorCode.NOT_FOUND, 'Session not found');
       }
 
-      // Clean the buffer: remove junk before actual Claude content
-      let cleanBuffer = session.terminalBuffer;
-
-      // Find where Claude banner starts (has color codes before "Claude")
-      const claudeMatch = cleanBuffer.match(CLAUDE_BANNER_PATTERN);
-      if (claudeMatch && claudeMatch.index !== undefined && claudeMatch.index > 0) {
-        // Find the start of that line
-        let lineStart = claudeMatch.index;
-        while (lineStart > 0 && cleanBuffer[lineStart - 1] !== '\n') {
-          lineStart--;
-        }
-        cleanBuffer = cleanBuffer.slice(lineStart);
-      }
-
-      // Remove Ctrl+L and leading whitespace
-      cleanBuffer = cleanBuffer
-        .replace(CTRL_L_PATTERN, '')
-        .replace(LEADING_WHITESPACE_PATTERN, '');
-
-      // Optionally truncate to last N bytes for faster initial load
       const tailBytes = query.tail ? parseInt(query.tail, 10) : 0;
-      const fullSize = cleanBuffer.length;
+      const fullSize = session.terminalBufferLength;
       let truncated = false;
+      let cleanBuffer: string;
 
-      if (tailBytes > 0 && cleanBuffer.length > tailBytes) {
-        cleanBuffer = cleanBuffer.slice(-tailBytes);
+      if (tailBytes > 0 && fullSize > tailBytes) {
+        // Fast path: tail from the end, skip expensive banner search on full 2MB buffer.
+        // Banner is near the top and gets discarded by tail anyway.
+        cleanBuffer = session.terminalBuffer.slice(-tailBytes);
         truncated = true;
         // Avoid starting mid-ANSI-escape: find first newline within the first 4KB
         // and start from there. This prevents xterm.js from parsing a partial escape
@@ -1790,8 +1775,26 @@ export class WebServer extends EventEmitter {
         if (firstNewline > 0 && firstNewline < 4096) {
           cleanBuffer = cleanBuffer.slice(firstNewline + 1);
         }
+      } else {
+        // Full buffer: clean junk before actual Claude content
+        cleanBuffer = session.terminalBuffer;
+
+        // Find where Claude banner starts (has color codes before "Claude")
+        const claudeMatch = cleanBuffer.match(CLAUDE_BANNER_PATTERN);
+        if (claudeMatch && claudeMatch.index !== undefined && claudeMatch.index > 0) {
+          let lineStart = claudeMatch.index;
+          while (lineStart > 0 && cleanBuffer[lineStart - 1] !== '\n') {
+            lineStart--;
+          }
+          cleanBuffer = cleanBuffer.slice(lineStart);
+        }
       }
 
+      // Remove Ctrl+L and leading whitespace (cheap on tailed subset)
+      cleanBuffer = cleanBuffer
+        .replace(CTRL_L_PATTERN, '')
+        .replace(LEADING_WHITESPACE_PATTERN, '');
+
       return {
         terminalBuffer: cleanBuffer,
         status: session.status,