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/options/options_monitor_lib.py

@@ -1,4 +1,4 @@
-"""期权持仓监控：浮盈翻倍微信提醒。"""
+"""期权持仓监控:浮盈翻倍微信提醒."""
 from __future__ import annotations
 
 import sqlite3
@@ -29,11 +29,11 @@ def build_profit_alert_message(
     return "\n".join(
         [
             "【OKX期权·翻倍提醒】",
-            f"账户：{account_label}",
-            f"合约：{inst_id}",
-            f"已付权利金：{premium_paid:.4f} USDC",
-            f"未实现盈亏：{upl:+.4f} USDC（{pct}）",
-            f"当前买一：{bid_txt}（可考虑限价平仓锁利）",
+            f"账户:{account_label}",
+            f"合约:{inst_id}",
+            f"已付权利金:{premium_paid:.4f} USDC",
+            f"未实现盈亏:{upl:+.4f} USDC({pct})",
+            f"当前买一:{bid_txt}(可考虑限价平仓锁利)",
         ]
     )
 
@@ -48,8 +48,8 @@ def run_options_profit_alerts(
     ticker_bid_fn: Callable[[str], float | None],
 ) -> int:
     """
-    对比 DB 中 open 记录与交易所持仓；达到阈值发微信。
-    返回发送条数。
+    对比 DB 中 open 记录与交易所持仓;达到阈值发微信.
+    返回发送条数.
     """
     sent = 0
     pos_by_inst = {str(p.get("inst_id") or p.get("instId") or ""): p for p in positions}