diff --git a/frontends/tui_v3.py b/frontends/tui_v3.py
index 84a05822..3820df39 100644
--- a/frontends/tui_v3.py
+++ b/frontends/tui_v3.py
@@ -6,12 +6,11 @@
 """
 from __future__ import annotations
 
-import asyncio, atexit, json, locale, logging, os, queue, random, re, select, shutil, signal, subprocess
+import asyncio, atexit, json, locale, logging, os, queue, random, re, shutil, subprocess
 import sys, tempfile, threading, time
 
 _IS_WINDOWS = os.name == 'nt'
 
-
 # Make `frontends/` parent (project root) importable so `from agentmain import …`
 # works whether this file is run as `python -m frontends.tui_v3` or directly
 # via `python frontends/tui_v3.py`.
@@ -22,16 +21,14 @@
         sys.path.insert(0, _p)
 
 from agentmain import GeneraticAgent
-from dataclasses import dataclass
 from dataclasses import dataclass, field
-from functools import lru_cache
+
 from io import StringIO
 from rich.cells import cell_len
 from rich.console import Console
 from rich.markdown import Markdown
 from rich.text import Text
 from rich.theme import Theme
-from typing import Callable
 
 # ════════════════════════════════════════════════════════════════════════════
 # i18n — minimal dict-based zh/en translation layer (inlined; was tui_v3_i18n.py)