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/trade/manual_sltp_lib.py

@@ -1,4 +1,4 @@
-"""实盘人工下单：止盈止损模式（价格 / 百分比 / 固定盈亏比）。"""
+"""实盘人工下单:止盈止损模式(价格 / 百分比 / 固定盈亏比)."""
 from __future__ import annotations
 
 from typing import Any, Optional, Tuple
@@ -52,11 +52,11 @@ def calc_tp_from_fixed_rr(
     if side == "short":
         risk = sl - entry
         if risk <= 0:
-            raise ValueError("止损方向不合法：做空时止损须高于入场价")
+            raise ValueError("止损方向不合法:做空时止损须高于入场价")
         return entry - risk * rr
     risk = entry - sl
     if risk <= 0:
-        raise ValueError("止损方向不合法：做多时止损须低于入场价")
+        raise ValueError("止损方向不合法:做多时止损须低于入场价")
     return entry + risk * rr
 
 
@@ -93,7 +93,7 @@ def _resolve_price_sltp(
     if stop_loss <= 0:
         raise ValueError("止损价格须大于 0" if require_tp else "请填写止损价格")
     if require_tp and take_profit <= 0:
-        raise ValueError("止盈止损价格须大于 0" if fallback_tp is None else "请填写止盈价格，或保留原计划止盈")
+        raise ValueError("止盈止损价格须大于 0" if fallback_tp is None else "请填写止盈价格,或保留原计划止盈")
     return stop_loss, take_profit
 
 
@@ -103,7 +103,7 @@ def resolve_open_sltp_prices(
     sltp_mode: Optional[str],
     data: dict[str, Any],
 ) -> Tuple[float, float]:
-    """新开仓 /add_order：支持 price、pct、fixed_rr。"""
+    """新开仓 /add_order:支持 price,pct,fixed_rr."""
     mode = normalize_open_sltp_mode(sltp_mode)
     if mode == SLTP_MODE_PCT:
         return _resolve_pct_sltp(direction, live_price, data)
@@ -124,7 +124,7 @@ def resolve_entrust_sltp_prices(
     fallback_sl: Optional[float] = None,
     fallback_tp: Optional[float] = None,
 ) -> Tuple[float, float]:
-    """持仓委托弹窗：仅 price / pct，不校验盈亏比。"""
+    """持仓委托弹窗:仅 price / pct,不校验盈亏比."""
     mode = normalize_entrust_sltp_mode(sltp_mode)
     if mode == SLTP_MODE_PCT:
         return _resolve_pct_sltp(direction, live_price, data)