fix(tui): keep context view concise

tui/src/context-panel.test.ts

@@ -0,0 +1,43 @@
+import { afterEach, describe, expect, test } from "bun:test"
+import { createTestRenderer, type TestRendererSetup } from "@opentui/core/testing"
+
+import { ContextPanel } from "./context-panel"
+import type { SessionContextSnapshot } from "./protocol"
+
+const context: SessionContextSnapshot = {
+  totalMessages: 8,
+  archivedMessages: 0,
+  replayMessages: 8,
+  estimatedReplayTokens: 950,
+  estimatedSummaryTokens: 0,
+  estimatedSessionTokens: 950,
+  archivedSummary: null,
+  archivedSummaryAt: null,
+  lastUsage: null,
+}
+
+describe("ContextPanel", () => {
+  let setup: TestRendererSetup | undefined
+
+  afterEach(() => {
+    if (setup && !setup.renderer.isDestroyed) setup.renderer.destroy()
+    setup = undefined
+  })
+
+  test("omits explanatory copy when no compacted summary exists", async () => {
+    setup = await createTestRenderer({ width: 80, height: 18, screenMode: "alternate-screen" })
+    const panel = new ContextPanel(setup.renderer, {
+      text: "#FFFFFF",
+      border: "#555555",
+      accent: "#EF8E30",
+    })
+    setup.renderer.root.add(panel.root)
+    panel.show(context)
+    await setup.renderOnce()
+
+    const frame = setup.captureCharFrame()
+    expect(frame).toContain("~950 tokens · 8 replay · 0 archived")
+    expect(frame).not.toContain("Agent context")
+    expect(frame).not.toContain("no compacted summary")
+  })
+})