From 10b8379824b76add05f1e064b68b840a8e279177 Mon Sep 17 00:00:00 2001
From: minhanhpkpro <minhanhpkpro@gmail.com>
Date: Fri, 18 Sep 2026 00:19:26 +0900
Subject: [PATCH] =?UTF-8?q?fix(settings):=20gi=E1=BB=AF=20t=C3=AAn=20n?=
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- Trả nhãn công tắc về "Block network for agent-run commands"
  (vi/ja như cũ).
- Cột mục lục bên trái tính độ rộng theo kiểu chữ của mục đang chọn
  (in đậm + lề 10px), trước đây "Sandbox Security Layer" bị cắt.

Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>
---
 i18n/settings_dialog.py            |  6 +++---
 presentation/shared/list_sizing.py | 27 +++++++++++++++++++++++++++
 ui/widgets.py                      |  5 +++--
 3 files changed, 33 insertions(+), 5 deletions(-)
 create mode 100644 presentation/shared/list_sizing.py

diff --git a/i18n/settings_dialog.py b/i18n/settings_dialog.py
index 6ffb9d3..723aa40 100644
--- a/i18n/settings_dialog.py
+++ b/i18n/settings_dialog.py
@@ -10,9 +10,9 @@ from typing import Dict
 
 STRINGS: Dict[str, Dict[str, str]] = {
     "settings.sandbox_block_network": {
-        "en": "Block network (AI provider still allowed)",
-        "ja": "ネットワークをブロック（AIプロバイダーのみ許可）",
-        "vi": "Chặn mạng (vẫn cho gọi nhà cung cấp AI)"},
+        "en": "Block network for agent-run commands",
+        "ja": "エージェントが実行するコマンドのネットワークをブロック",
+        "vi": "Chặn mạng cho lệnh do agent chạy"},
     "settings.allow_url_fetch": {
         "en": "Allow the agent to fetch URLs (web pages, SharePoint / OneDrive links)",
         "ja": "エージェントによるURL取得を許可（Webページ、SharePoint / OneDriveリンク）",
diff --git a/presentation/shared/list_sizing.py b/presentation/shared/list_sizing.py
new file mode 100644
index 0000000..7989d91
--- /dev/null
+++ b/presentation/shared/list_sizing.py
@@ -0,0 +1,27 @@
+"""Width of a navigation list whose current row is drawn bold.
+
+The theme draws the selected ``sectionIndex`` row with ``font-weight: 600``
+and 10px padding each side (``theme/qss.py``). Sizing the list from the plain
+font left the selected label too wide for its row, so "Sandbox Security
+Layer" was cut off in Settings as soon as it was picked.
+"""
+from __future__ import annotations
+
+from typing import Iterable
+
+from PySide6.QtGui import QFont, QFontMetrics
+
+#: Item padding (10px x 2) + item radius + list frame, with a little slack.
+ROW_CHROME_PX = 48
+
+
+def selected_label_width(widget, labels: Iterable[str]) -> int:
+    """Pixels needed to show the widest of ``labels`` in the bold selected style."""
+    widget.ensurePolished()
+    bold = QFont(widget.font())
+    bold.setWeight(QFont.Weight.DemiBold)
+    metrics = QFontMetrics(bold)
+    return max((metrics.horizontalAdvance(label) for label in labels), default=0) + ROW_CHROME_PX
+
+
+__all__ = ["ROW_CHROME_PX", "selected_label_width"]
diff --git a/ui/widgets.py b/ui/widgets.py
index 36ce64e..ae681aa 100644
--- a/ui/widgets.py
+++ b/ui/widgets.py
@@ -490,8 +490,9 @@ def section_panels(sections, width: int = 260):
     index.currentRowChanged.connect(stack.setCurrentIndex)
     index.setCurrentRow(0)
 
-    natural = max(index.fontMetrics().horizontalAdvance(lab) for lab, _w in sections) + 36
-    index.setFixedWidth(max(120, min(width, natural)))
+    # Sized for the SELECTED look (bold + padding), or the picked label is cut.
+    from ..presentation.shared.list_sizing import selected_label_width
+    index.setFixedWidth(max(120, min(width, selected_label_width(index, [lab for lab, _w in sections]))))
     return index, stack