agent 模式补充文件功能已经实现

src/doc/matcher.py

@@ -227,25 +227,38 @@ def _match_one_to_one(
     assigned: set[int],
     result: dict[int, list[int]],
 ) -> None:
-    """一对一匹配：发票数等于刷卡数，按金额从大到小依次配对"""
+    """一对一匹配：发票数等于刷卡数，对每张刷卡记录寻找金额最接近的未分配发票"""
     for card_idx, card in enumerate(cards):
-        if card_idx >= len(invoices):
-            break
-        inv = invoices[card_idx]
-        diff = abs(inv["_amount"] - card["_amount"])
-        card_tol = _relative_tolerance(card["_amount"], tolerance)
-        if diff <= card_tol:
-            assigned.add(card_idx)
-            result[card_idx] = [card_idx]
+        if card_idx in result:
+            continue
+        card_amount = card["_amount"]
+        card_tol = _relative_tolerance(card_amount, tolerance)
+
+        # 在未分配的发票中找金额最接近的
+        best_idx = -1
+        best_diff = float("inf")
+        for idx, inv in enumerate(invoices):
+            if idx in assigned:
+                continue
+            diff = abs(inv["_amount"] - card_amount)
+            if diff < best_diff:
+                best_diff = diff
+                best_idx = idx
+
+        if best_idx >= 0 and best_diff <= card_tol:
+            inv = invoices[best_idx]
+            assigned.add(best_idx)
+            result[card_idx] = [best_idx]
             log.info(
                 f"[一对一] {inv.get('invoice_number', 'unknown')} ¥{inv['_amount']:.2f} "
-                f"↔ {card.get('_source_file', 'unknown')} ¥{card['_amount']:.2f}"
+                f"↔ {card.get('_source_file', 'unknown')} ¥{card_amount:.2f}"
             )
-        else:
+        elif best_idx >= 0:
+            inv = invoices[best_idx]
             log.warning(
                 f"[一对一] 金额偏差超出容差: "
                 f"{inv.get('invoice_number', 'unknown')} ¥{inv['_amount']:.2f} "
-                f"vs ¥{card['_amount']:.2f} (差 ¥{diff:.2f}, 容差 ¥{card_tol:.2f})"
+                f"vs ¥{card_amount:.2f} (差 ¥{best_diff:.2f}, 容差 ¥{card_tol:.2f})"
             )