feat: add benchmark-programs — 58 telecom COBOL test programs

作为子目录纳入系统，与核心测试管道协同

Co-Authored-By: Claude <noreply@anthropic.com>

benchmark-programs/02-matching-1-N/audit-report.txt

@@ -0,0 +1,31 @@
+================================================
+02-MATCHING-1-N AUDIT REPORT
+Program Version: V2.00
+Run Date: 20260622 Time: 16452669
+================================================
+RECORD COUNT SUMMARY:
+  Master (contract) records : 00002
+  Detail (CDR) records      : 00003
+  Matched (output) records  : 00000
+  Unmatched contracts       : 00000
+  Unmatched CDRs            : 00003
+  Duplicate CDRs detected   : 00000
+  Avg CDRs per contract     : N/A (no division)
+
+HASH TOTAL RECONCILIATION:
+  Input hash (contract)  : 000000006060606
+  Output hash            : 000000000000000
+  Error hash             : 000000000000000
+  ** HASH MISMATCH ** Diff: 00000000606060v
+
+ERROR SUMMARY:
+  Key format errors    : 00005
+  Duplicate CDRs       : 00000
+  Expired contracts    : 00000
+  CDR date outside rng : 00000
+  Warnings             : 00010
+  Fatal errors         : 00000
+
+================================================
+END OF AUDIT REPORT
+Generated: 20260622 16452669