fix(quick-pane): preserve lifecycle and answer history

test/agent-registry.test.js

@@ -162,7 +162,7 @@ test("sends abort without waiting behind a blocked prompt", async () => {
 	await registry.stop();
 });
 
-test("keeps a runtime healthy after a non-terminal adapter diagnostic", async () => {
+test("keeps a runtime healthy after an unknown non-terminal Pi notification", async () => {
 	const worktrees = await createWorktrees();
 	const fixture = createAdapterFactory();
 	const registry = createAgentRegistry({
@@ -173,7 +173,10 @@ test("keeps a runtime healthy after a non-terminal adapter diagnostic", async ()
 	await registry.start();
 
 	fixture.calls[0].options.onError(
-		{ code: "frame_too_large", message: "Pi RPC frame exceeds 32 bytes" },
+		{
+			code: "unsupported_event",
+			message: "Pi RPC emitted unsupported event: future_pi_notification",
+		},
 		{ terminal: false },
 	);
 
@@ -184,6 +187,31 @@ test("keeps a runtime healthy after a non-terminal adapter diagnostic", async ()
 	await registry.stop();
 });
 
+test("keeps explicit transport failures terminal", async () => {
+	const worktrees = await createWorktrees();
+	const fixture = createAdapterFactory();
+	const registry = createAgentRegistry({
+		homeWorktree: worktrees.home,
+		sessionRoot: worktrees.sessionRoot,
+		startAdapter: fixture.startAdapter,
+	});
+	await registry.start();
+
+	fixture.calls[0].options.onError({
+		code: "invalid_json",
+		message: "Pi RPC emitted invalid JSON",
+	});
+
+	const runtime = registry.getWorkspace().directories[0].runtimes[0];
+	assert.equal(runtime.state, "error");
+	assert.equal(runtime.attention, true);
+	assert.deepEqual(runtime.error, {
+		code: "invalid_json",
+		message: "Pi RPC emitted invalid JSON",
+	});
+	await registry.stop();
+});
+
 test("stops agents created during shutdown and rejects new selections", async () => {
 	const worktrees = await createWorktrees();
 	const fixture = createAdapterFactory();