Normalize fullwidth punctuation to ASCII across codebase.

Add scripts/normalize_ambiguous_unicode.py; fix corrupted patch_instance_theme_templates.py. Preserves curly quotes in string literals; removes Git homoglyph warnings on .env.example.

Co-authored-by: Cursor <cursoragent@cursor.com>

lib/instance/templates/instance_transfer_panel.html

@@ -1,12 +1,12 @@
-{# 系统设置 · 资金划转（三所共用） #}
+{# 系统设置 · 资金划转(三所共用) #}
 <div class="settings-transfer-panel">
     <p class="rule-tip settings-transfer-auto">
-        自动划转 <strong>{{ '开启' if auto_transfer_enabled else '关闭' }}</strong>：
-        每天<strong>北京时间 {{ auto_transfer_bj_hour }}:00</strong> 起该整点小时内尝试；
-        账簿按 <strong>UTC 自然日</strong> 去重；
-        将 <code>{{ auto_transfer_to }}</code> 调整至 <strong>{{ transfer_amount_fmt|default(funds_fmt(auto_transfer_amount)) }}U</strong>：
-        不足从 <code>{{ auto_transfer_from }}</code> 划入、超出划回 <code>{{ auto_transfer_from }}</code>；
-        <strong>持仓中不划转</strong>并微信通知。
+        自动划转 <strong>{{ '开启' if auto_transfer_enabled else '关闭' }}</strong>:
+        每天<strong>北京时间 {{ auto_transfer_bj_hour }}:00</strong> 起该整点小时内尝试;
+        账簿按 <strong>UTC 自然日</strong> 去重;
+        将 <code>{{ auto_transfer_to }}</code> 调整至 <strong>{{ transfer_amount_fmt|default(funds_fmt(auto_transfer_amount)) }}U</strong>:
+        不足从 <code>{{ auto_transfer_from }}</code> 划入,超出划回 <code>{{ auto_transfer_from }}</code>;
+        <strong>持仓中不划转</strong>并微信通知.
     </p>
     <form action="/manual_transfer" method="post" class="form-row gate-transfer-form settings-transfer-form">
         <input name="amount" type="number" min="0.01" step="0.01" placeholder="手动划转金额 U" required>