add QA tools (#666)

Author: Zeref996

tools/qa_test/api.yaml

@@ -0,0 +1,63 @@
+#!/usr/bin/env python3
+"""Deduplicate configuration lines while preserving sorted unique output.
+
+Usage:
+    python dedup_config.py -i api_config_0_size.txt
+    python dedup_config.py -i api_config_0_size.txt -o /output/dir/dedup.txt
+"""
+
+from __future__ import annotations
+
+import argparse
+import os
+
+
+def parse_args():
+    parser = argparse.ArgumentParser(
+        description="Deduplicate configuration lines while preserving sorted unique output.",
+    )
+    parser.add_argument("-i", "--input", required=True, help="Input config file path")
+    parser.add_argument(
+        "-o",
+        "--output",
+        default=None,
+        help="Output file path. Default: <input_stem>_dedup.txt in same dir as input",
+    )
+    return parser.parse_args()
+
+
+def main():
+    args = parse_args()
+
+    input_path = args.input
+    if args.output:
+        output_path = args.output
+    else:
+        stem, ext = os.path.splitext(input_path)
+        output_path = f"{stem}_dedup{ext}"
+
+    output_dir = os.path.dirname(output_path)
+    if output_dir:
+        os.makedirs(output_dir, exist_ok=True)
+
+    seen = set()
+    total = 0
+    with open(input_path, encoding="utf-8") as f:
+        for line in f:
+            total += 1
+            seen.add(line.rstrip("\n"))
+
+    unique_lines = sorted(seen)
+
+    with open(output_path, "w", encoding="utf-8") as f:
+        for line in unique_lines:
+            f.write(line + "\n")
+
+    print(f"Total lines:   {total}")
+    print(f"Unique lines:  {len(unique_lines)}")
+    print(f"Duplicates:    {total - len(unique_lines)}")
+    print(f"Output:        {output_path}")
+
+
+if __name__ == "__main__":
+    main()