Force line-buffered stdout for real-time log output in docker

src/training/mindi_trainer.py

@@ -21,11 +21,16 @@ from __future__ import annotations
 
 import json
 import math
+import sys
 import time
 from dataclasses import dataclass, field
 from pathlib import Path
 from typing import Any, Iterator, Optional
 
+# Force unbuffered stdout for docker exec -d log visibility
+if not sys.stdout.line_buffering:
+    sys.stdout.reconfigure(line_buffering=True)
+
 import torch
 import torch.nn as nn
 from PIL import Image