feat(oa): format money fields in print and related-approval summary

Show formatted amount with optional uppercase on print; summary uses numeric text.

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

backend/app/services/oa_related_approval.py

@@ -116,6 +116,17 @@ def _format_value(typ: str, raw: Any) -> Tuple[str, bool]:
         if isinstance(raw, dict):
             return str(raw.get("name") or "").strip(), False
         return "", False
+    if typ == "money":
+        if raw is None or raw == "":
+            return "", False
+        try:
+            if isinstance(raw, bool):
+                return "", False
+            v = float(str(raw).replace(",", "").strip())
+        except (TypeError, ValueError):
+            return str(raw), False
+        text = f"{v:,.2f}"
+        return text, False
     if isinstance(raw, list):
         text = "、".join(str(x) for x in raw if x is not None and str(x) != "")
     elif isinstance(raw, dict):