v0.5.0: Binary-Free Mode - No OpenCode binary required

✨ Major Features:
- Native session management without OpenCode binary
- Provider routing: OpenCode Zen (free), Qwen OAuth, Z.AI
- Streaming chat with tool execution loop
- Mode detection API (/api/meta/mode)
- MCP integration fix (resolved infinite loading)
- NomadArch Native option in UI with comparison info

🆓 Free Models (No API Key):
- GPT-5 Nano (400K context)
- Grok Code Fast 1 (256K context)
- GLM-4.7 (205K context)
- Doubao Seed Code (256K context)
- Big Pickle (200K context)

📦 New Files:
- session-store.ts: Native session persistence
- native-sessions.ts: REST API for sessions
- lite-mode.ts: UI mode detection client
- native-sessions.ts (UI): SolidJS store

🔧 Updated:
- All installers: Optional binary download
- All launchers: Mode detection display
- Binary selector: Added NomadArch Native option
- README: Binary-Free Mode documentation

packages/ui/src/stores/instances.ts

@@ -170,13 +170,52 @@ function handleWorkspaceEvent(event: WorkspaceEventPayload) {
   }
 }
 
+const logBuffer = new Map<string, LogEntry[]>()
+let logFlushPending = false
+
+function flushLogs() {
+  if (logBuffer.size === 0) {
+    logFlushPending = false
+    return
+  }
+
+  batch(() => {
+    setInstanceLogs((prev) => {
+      const next = new Map(prev)
+      for (const [id, newEntries] of logBuffer) {
+        const existing = next.get(id) ?? []
+        // Keep only last MAX_LOG_ENTRIES
+        const combined = [...existing, ...newEntries]
+        const updated = combined.slice(-MAX_LOG_ENTRIES)
+        next.set(id, updated)
+      }
+      return next
+    })
+  })
+  logBuffer.clear()
+  logFlushPending = false
+}
+
 function handleWorkspaceLog(entry: WorkspaceLogEntry) {
   const logEntry: LogEntry = {
     timestamp: new Date(entry.timestamp).getTime(),
     level: (entry.level as LogEntry["level"]) ?? "info",
     message: entry.message,
   }
-  addLog(entry.workspaceId, logEntry)
+
+  // Only buffer if streaming is enabled for this instance, to save memory
+  if (!isInstanceLogStreaming(entry.workspaceId)) {
+    return
+  }
+
+  const currentBuffer = logBuffer.get(entry.workspaceId) ?? []
+  currentBuffer.push(logEntry)
+  logBuffer.set(entry.workspaceId, currentBuffer)
+
+  if (!logFlushPending) {
+    logFlushPending = true
+    setTimeout(flushLogs, 100) // Throttle updates to every 100ms
+  }
 }
 
 function ensureLogContainer(id: string) {