From c2fe92210542331923c77aae55b3c2f600862477 Mon Sep 17 00:00:00 2001
From: jihoson <kiparang7th@gmail.com>
Date: Tue, 17 Feb 2026 04:44:53 +0900
Subject: [PATCH] Filter Codex TUI redraw noise in Slack output

---
 src/lazy_enter/output_filter.py | 53 +++++++++++++++++++++++++++++++--
 tests/test_output_filter.py     | 25 ++++++++++++++++
 2 files changed, 76 insertions(+), 2 deletions(-)

diff --git a/src/lazy_enter/output_filter.py b/src/lazy_enter/output_filter.py
index 4553f81..73ca930 100644
--- a/src/lazy_enter/output_filter.py
+++ b/src/lazy_enter/output_filter.py
@@ -15,18 +15,67 @@ _ANSI_ESCAPE_RE = re.compile(
 # ESC 문자가 유실된 상태로 남는 CSI 토큰(예: [38;2;153;153;153m) 제거.
 _BROKEN_CSI_RE = re.compile(r"\[(?:[0-9;<=>?]|(?:\d+;))*\d*[A-Za-z]")
 
+# ESC(B 같은 문자셋 지정 시퀀스가 ESC 유실 후 남긴 토큰 제거.
+_BROKEN_CHARSET_RE = re.compile(r"[\(\)][B0]")
+
 # C0 제어문자 중 개행/탭/캐리지리턴을 제외하고 제거.
 _CONTROL_RE = re.compile(r"[\x00-\x08\x0B-\x1F\x7F]")
 
+_CODEX_TUI_LINE_PATTERNS = (
+    re.compile(r"openai codex", re.IGNORECASE),
+    re.compile(r"/model to change", re.IGNORECASE),
+    re.compile(r"^\s*[|│]\s*model:", re.IGNORECASE),
+    re.compile(r"^\s*[|│]\s*directory:", re.IGNORECASE),
+    re.compile(r"^\s*tip:\s*new\s+codex", re.IGNORECASE),
+    re.compile(r"find and fix a bug in @filename", re.IGNORECASE),
+    re.compile(r"\?\s*for shortcuts", re.IGNORECASE),
+    re.compile(r"\bcontext left\b", re.IGNORECASE),
+    re.compile(r"^\s*\w*odex\]\s+\d+:", re.IGNORECASE),
+)
+
+
+def _is_box_border_line(line: str) -> bool:
+    stripped = line.strip()
+    if not stripped:
+        return False
+    # ESC(B 유실 잔재가 앞에 붙는 경우(예: =╭────╮)도 border로 본다.
+    stripped = stripped.lstrip("= ")
+    return all(ch in "╭╮╰╯─│┌┐└┘├┤┬┴┼" for ch in stripped)
+
+
+def _is_box_empty_line(line: str) -> bool:
+    stripped = line.strip()
+    if not stripped:
+        return False
+    return bool(re.fullmatch(r"[│|]\s+[│|]", stripped))
+
+
+def _is_noise_line(line: str) -> bool:
+    if _is_box_border_line(line):
+        return True
+    if _is_box_empty_line(line):
+        return True
+    return any(pattern.search(line) for pattern in _CODEX_TUI_LINE_PATTERNS)
+
 
 def clean_terminal_output(text: str) -> str:
     """Slack 전송용 텍스트를 정리한다."""
     cleaned = _ANSI_ESCAPE_RE.sub("", text)
     cleaned = _BROKEN_CSI_RE.sub("", cleaned)
+    cleaned = _BROKEN_CHARSET_RE.sub("", cleaned)
     cleaned = cleaned.replace("\r", "")
     cleaned = _CONTROL_RE.sub("", cleaned)
 
-    # 제어 코드 제거 후 남는 빈 줄을 축소한다.
-    lines = [line.rstrip() for line in cleaned.splitlines()]
+    lines: list[str] = []
+    for raw_line in cleaned.splitlines():
+        line = raw_line.rstrip()
+        if not line:
+            continue
+        if _is_noise_line(line):
+            continue
+        if lines and lines[-1] == line:
+            continue
+        lines.append(line)
+
     compact = "\n".join(lines).strip()
     return compact
diff --git a/tests/test_output_filter.py b/tests/test_output_filter.py
index f6a7489..dd1e0db 100644
--- a/tests/test_output_filter.py
+++ b/tests/test_output_filter.py
@@ -16,3 +16,28 @@ def test_clean_terminal_output_removes_broken_csi_tokens():
 def test_clean_terminal_output_preserves_plain_text():
     raw = "line1\nline2"
     assert clean_terminal_output(raw) == "line1\nline2"
+
+
+def test_clean_terminal_output_removes_broken_charset_tokens():
+    raw = "=(Bhello(B"
+    assert clean_terminal_output(raw) == "=hello"
+
+
+def test_clean_terminal_output_filters_codex_tui_redraw_noise():
+    raw = """=(B╭─────────────────────────────────────────────╮(B
+│ >_ OpenAI Codex (v0.101.0)                  │(B
+│ model:     gpt-5.3-codex   /model to change │(B
+│ directory: ~/repos/The-Ouroboros            │(B
+╰─────────────────────────────────────────────╯(B
+Tip: New Codex is included in your plan for free
+› Find and fix a bug in @filename
+? for shortcuts
+100% context left
+Assistant: 작업을 시작합니다.
+"""
+    assert clean_terminal_output(raw) == "Assistant: 작업을 시작합니다."
+
+
+def test_clean_terminal_output_removes_box_empty_line_noise():
+    raw = "│                                             │\n› Explain this codebase\n"
+    assert clean_terminal_output(raw) == "› Explain this codebase"