fix(vscode): refresh subagent viewer reasoning cap on panel reuse

packages/kilo-vscode/src/SubAgentViewerProvider.ts

@@ -14,6 +14,7 @@ import type { KiloConnectionService } from "./services/cli-backend"
 export class SubAgentViewerProvider implements vscode.Disposable {
   private panels = new Map<string, vscode.WebviewPanel>()
   private providers = new Map<string, KiloProvider>()
+  private backgrounds = new Map<string, boolean>()
 
   constructor(
     private readonly extensionUri: vscode.Uri,
@@ -25,6 +26,13 @@ export class SubAgentViewerProvider implements vscode.Disposable {
     const existing = this.panels.get(sessionID)
     if (existing) {
       if (directory) this.providers.get(sessionID)?.setSessionDirectory(sessionID, directory)
+      // A reused panel keeps its original flag. Re-post when the caller reports
+      // a different one so a transcript that first opened before the task
+      // metadata landed still gets the reasoning cap.
+      if (background !== undefined && this.backgrounds.get(sessionID) !== background) {
+        this.backgrounds.set(sessionID, background)
+        this.providers.get(sessionID)?.postMessage({ type: "viewSubAgentSession", sessionID, background })
+      }
       existing.reveal(vscode.ViewColumn.One)
       return
     }
@@ -86,6 +94,7 @@ export class SubAgentViewerProvider implements vscode.Disposable {
 
     this.panels.set(sessionID, panel)
     this.providers.set(sessionID, provider)
+    this.backgrounds.set(sessionID, background === true)
 
     panel.onDidDispose(() => {
       console.log("[Kilo New] Sub-agent viewer panel disposed:", sessionID)
@@ -93,6 +102,7 @@ export class SubAgentViewerProvider implements vscode.Disposable {
       provider.dispose()
       this.panels.delete(sessionID)
       this.providers.delete(sessionID)
+      this.backgrounds.delete(sessionID)
     })
   }
 
@@ -102,5 +112,6 @@ export class SubAgentViewerProvider implements vscode.Disposable {
     }
     this.panels.clear()
     this.providers.clear()
+    this.backgrounds.clear()
   }
 }