fix(tui): show connection host in footer

docs/web/tui.md

@@ -54,7 +54,7 @@ Notes:
 - Header: connection URL, current agent, current session.
 - Chat log: user messages, assistant replies, system notices, tool cards.
 - Status line: connection/run state (connecting, running, streaming, idle, error).
-- Footer: connection state + agent + session + model + goal state + think/fast/verbose/trace/reasoning + token counts + deliver.
+- Footer: connection host when available + agent + session + model + goal state + think/fast/verbose/trace/reasoning + token counts + deliver.
 - Input: text editor with autocomplete.
 
 ## Mental model: agents + sessions
@@ -67,7 +67,7 @@ Notes:
 - Session scope:
   - `per-sender` (default): each agent has many sessions.
   - `global`: the TUI always uses the `global` session (the picker may be empty).
-- The current agent + session are always visible in the footer.
+- For URL-backed connections, the footer includes the connection host alongside the current agent and session.
 - If the session has a [goal](/tools/goal), the footer shows its compact state
   such as `Pursuing goal`, `Goal paused (/goal resume)`, or
   `Goal achieved`.

src/tui/tui-formatters.test.ts

@@ -5,6 +5,7 @@ import {
   extractContentFromMessage,
   extractTextFromMessage,
   extractThinkingFromMessage,
+  formatConnectionHostFooter,
   formatGoalFooter,
   isCommandMessage,
   sanitizeRenderableText,
@@ -45,6 +46,19 @@ describe("formatGoalFooter", () => {
   });
 });
 
+describe("formatConnectionHostFooter", () => {
+  it("renders only the connection hostname", () => {
+    expect(formatConnectionHostFooter("ws://gateway-host:18789")).toBe("host gateway-host");
+    expect(
+      formatConnectionHostFooter("wss://user:secret@example.com:443/path?token=redacted"),
+    ).toBe("host example.com");
+  });
+
+  it("skips non-url local connection labels", () => {
+    expect(formatConnectionHostFooter("local embedded")).toBeNull();
+  });
+});
+
 describe("extractTextFromMessage", () => {
   it("prefers final_answer text over commentary text for assistant messages", () => {
     const text = extractTextFromMessage({

src/tui/tui-formatters.ts

@@ -443,6 +443,15 @@ export function formatTokens(total?: number | null, context?: number | null) {
   return `tokens ${totalLabel}/${formatTokenCount(context)}${pct !== null ? ` (${pct}%)` : ""}`;
 }
 
+export function formatConnectionHostFooter(connectionUrl: string): string | null {
+  try {
+    const hostname = new URL(connectionUrl.trim()).hostname.trim();
+    return hostname ? `host ${hostname}` : null;
+  } catch {
+    return null;
+  }
+}
+
 function formatGoalUsage(goal: SessionGoal): string | null {
   if (goal.tokenBudget === undefined) {
     return goal.tokensUsed > 0 ? formatTokenCount(goal.tokensUsed) : null;

src/tui/tui-pty-harness.e2e.test.ts

@@ -364,6 +364,7 @@ describe.sequential("TUI PTY harness", () => {
 
   it("renders local ready on startup", () => {
     expect(fixture.run.output()).toContain("local ready");
+    expect(fixture.run.output()).toContain("host local");
   });
 
   it(

src/tui/tui.ts

@@ -35,7 +35,7 @@ import { editorTheme, theme } from "./theme/theme.js";
 import type { TuiBackend } from "./tui-backend.js";
 import { createCommandHandlers } from "./tui-command-handlers.js";
 import { createEventHandlers } from "./tui-event-handlers.js";
-import { formatGoalFooter, formatTokens } from "./tui-formatters.js";
+import { formatConnectionHostFooter, formatGoalFooter, formatTokens } from "./tui-formatters.js";
 import {
   buildTuiLastSessionScopeKey,
   readTuiLastSessionKey,
@@ -1199,7 +1199,9 @@ export async function runTui(opts: RunTuiOptions): Promise<TuiResult> {
     const reasoning = sessionInfo.reasoningLevel ?? "off";
     const reasoningLabel =
       reasoning === "on" ? "reasoning" : reasoning === "stream" ? "reasoning:stream" : null;
+    const hostLabel = formatConnectionHostFooter(client.connection.url);
     const footerParts = [
+      hostLabel,
       `agent ${agentLabel}`,
       `session ${sessionLabel}`,
       modelLabel,