set gpt-5.4-mini default token pricing

tools/llm_relabel_rows.py

@@ -151,8 +151,8 @@ def parse_args() -> argparse.Namespace:
     p.add_argument("--checkpoint-rows", type=int, default=100, help="Write checkpoint every N processed rows")
     p.add_argument("--failure-log", default="reports/llm_relabel_failures.log", help="Failure log path")
     p.add_argument("--perf-log", default="", help="Optional JSON perf summary path")
-    p.add_argument("--usd-per-1m-input", type=float, default=0.0, help="Input token price (USD per 1M tokens)")
-    p.add_argument("--usd-per-1m-output", type=float, default=0.0, help="Output token price (USD per 1M tokens)")
+    p.add_argument("--usd-per-1m-input", type=float, default=0.75, help="Input token price (USD per 1M tokens)")
+    p.add_argument("--usd-per-1m-output", type=float, default=4.5, help="Output token price (USD per 1M tokens)")
     p.add_argument(
         "--user-agent",
         default="Codex Desktop/0.133.0-alpha.1 (Windows 10.0.22631; x86_64) unknown (Codex Desktop; 26.519.41501)",