Rename utils/helpers.txt to utils/helpers.py

utils/helpers.py

@@ -0,0 +1,16 @@
+from __future__ import annotations
+
+from datetime import datetime, timezone
+
+
+def utc_now_iso() -> str:
+    return datetime.now(timezone.utc).isoformat()
+
+
+def safe_float(value, default: float = 0.0) -> float:
+    try:
+        if value is None:
+            return default
+        return float(value)
+    except (TypeError, ValueError):
+        return default