fix(tui): keep context view concise

tui/src/app.test.ts

@@ -1042,7 +1042,7 @@ describe("NanobotTui layout", () => {
     }
   })
 
-  test("explains the session-owned agent context without exposing private reasoning", async () => {
+  test("shows compact session context without exposing private reasoning", async () => {
     setup = await createRenderer({ width: 96, height: 26, screenMode: "alternate-screen" })
     const original = globalThis.fetch
     globalThis.fetch = ((input: string | URL | Request) => {
@@ -1079,15 +1079,16 @@ describe("NanobotTui layout", () => {
       expect(ui.runtimeControls.contextText.plainText).toContain("~2.2k ctx")
       const frame = setup.captureCharFrame()
 
-      expect(frame).toContain("Agent context")
-      expect(frame).toContain("~2.2k session tokens · 10 replay messages · 16 archived · summary active")
+      expect(frame).toContain("~2.2k tokens · 10 replay · 16 archived")
       expect(frame).toContain("The earlier turns agreed on a release plan.")
-      expect(frame).toContain("memory, instructions, and skills are added separately")
+      expect(frame).not.toContain("Agent context")
+      expect(frame).not.toContain("summary active")
+      expect(frame).not.toContain("memory, instructions, and skills are added separately")
 
       setup.resize(40, 10)
       await setup.renderOnce()
       const compact = setup.captureCharFrame()
-      expect(occurrences(compact, "Agent context")).toBe(1)
+      expect(occurrences(compact, "Agent context")).toBe(0)
       expect(occurrences(compact, "Ask nanobot anything")).toBe(1)
 
       setup.mockInput.pressEscape()

tui/src/app.ts

@@ -258,7 +258,6 @@ function runtimeControlsTheme(palette: Palette) {
 function contextPanelTheme(palette: Palette): ContextPanelTheme {
   return {
     text: palette.text,
-    muted: palette.muted,
     border: palette.border,
     accent: palette.accent,
   }

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")
+  })
+})

tui/src/context-panel.ts

@@ -1,6 +1,5 @@
 import {
   BoxRenderable,
-  TextAttributes,
   TextRenderable,
   type CliRenderer,
 } from "@opentui/core"
@@ -9,7 +8,6 @@ import type { SessionContextSnapshot } from "./protocol"
 
 export interface ContextPanelTheme {
   text: string
-  muted: string
   border: string
   accent: string
 }
@@ -23,16 +21,14 @@ export function formatTokenCount(value: number): string {
 /** Read-only explanation of the session-owned context replayed to the agent. */
 export class ContextPanel {
   readonly root: BoxRenderable
-  private readonly title: TextRenderable
   private readonly stats: TextRenderable
   private readonly summary: TextRenderable
-  private readonly note: TextRenderable
 
   constructor(renderer: CliRenderer, theme: ContextPanelTheme) {
     this.root = new BoxRenderable(renderer, {
       id: "nanobot-tui-context-panel",
       width: "100%",
-      maxHeight: 12,
+      maxHeight: 9,
       flexShrink: 0,
       flexDirection: "column",
       border: true,
@@ -42,14 +38,6 @@ export class ContextPanel {
       paddingRight: 1,
       visible: false,
     })
-    this.title = new TextRenderable(renderer, {
-      id: "nanobot-tui-context-title",
-      content: "Agent context",
-      width: "100%",
-      height: 1,
-      fg: theme.text,
-      attributes: TextAttributes.BOLD,
-    })
     this.stats = new TextRenderable(renderer, {
       id: "nanobot-tui-context-stats",
       content: "",
@@ -65,17 +53,8 @@ export class ContextPanel {
       fg: theme.text,
       wrapMode: "word",
     })
-    this.note = new TextRenderable(renderer, {
-      id: "nanobot-tui-context-note",
-      content: "Session view only · memory, instructions, and skills are added separately · Esc close",
-      width: "100%",
-      fg: theme.muted,
-      wrapMode: "word",
-    })
-    this.root.add(this.title)
     this.root.add(this.stats)
     this.root.add(this.summary)
-    this.root.add(this.note)
   }
 
   get visible(): boolean {
@@ -83,13 +62,8 @@ export class ContextPanel {
   }
 
   show(context: SessionContextSnapshot): void {
-    const archived = context.archivedMessages > 0
-      ? `${context.archivedMessages} archived · summary ${context.archivedSummary ? "active" : "unavailable"}`
-      : "No archived messages"
-    this.stats.content = `~${formatTokenCount(context.estimatedSessionTokens)} session tokens · ${context.replayMessages} replay messages · ${archived}`
-    this.summary.content = context.archivedSummary
-      ? `Summary\n${context.archivedSummary}`
-      : "The agent is currently replaying raw session messages; no compacted summary exists yet."
+    this.stats.content = `~${formatTokenCount(context.estimatedSessionTokens)} tokens · ${context.replayMessages} replay · ${context.archivedMessages} archived`
+    this.summary.content = context.archivedSummary ?? ""
     this.root.visible = true
   }
 
@@ -102,15 +76,12 @@ export class ContextPanel {
     const medium = terminalHeight < 20
     this.summary.visible = !compact
     this.summary.maxHeight = medium ? 2 : 6
-    this.note.visible = !medium
-    this.root.maxHeight = compact ? 4 : medium ? 6 : 12
+    this.root.maxHeight = compact ? 3 : medium ? 5 : 9
   }
 
   setTheme(theme: ContextPanelTheme): void {
     this.root.borderColor = theme.border
-    this.title.fg = theme.text
     this.stats.fg = theme.accent
     this.summary.fg = theme.text
-    this.note.fg = theme.muted
   }
 }