fix(tui): pin hosted task on narrow panes

tui/src/app.test.ts

@@ -1946,6 +1946,10 @@ describe("NanobotTui in a Herdr pane", () => {
       action: "Approval required",
     })
 
+    setup.resize(42, 6)
+    await setup.renderOnce()
+    expect(setup.captureCharFrame()).toContain("› Ship the Herdr integration")
+
     app.accept({
       event: "user_message",
       chat_id: "chat",

tui/src/app.ts

@@ -1534,7 +1534,9 @@ export class NanobotTui {
     if (this.host.hosted) {
       this.titleText.maxWidth = Math.max(8, this.renderer.width - 4)
       this.titleText.content = this.currentTask ? `› ${this.currentTask}` : ""
-      this.title.visible = Boolean(this.currentTask) && this.renderer.height >= 8
+      // In a hosted pane this is the resume anchor, not decorative chrome.
+      // Keep it visible even when Herdr temporarily makes the pane very short.
+      this.title.visible = Boolean(this.currentTask)
       this.syncHostMetadata()
       return
     }