fix(scripts): list min/max calls, typed mains, drop unused header reads

notebooks/exp_calibration.ipynb

@@ -81,11 +81,7 @@
     "\n",
     "# Detect header size from file\n",
     "def detect_header_size(filepath):\n",
-    "    \"\"\"Detect MCA header size by checking for binary pattern.\"\"\"\n",
-    "    with open(filepath, 'rb') as f:\n",
-    "        header = f.read(128)\n",
-    "    # Check if first 32 bytes look like a header (small ints)\n",
-    "    # and bytes 32-128 also look like header\n",
+    "    \"\"\"Detect MCA header size from the file size.\"\"\"\n",
     "    # Simple heuristic: if file is exactly 32 + 4096*4 = 16412, header=32\n",
     "    # If file is 128 + 4096*4 = 16512, header=128\n",
     "    import os\n",
@@ -97,11 +93,7 @@
     "    elif size == expected_128:\n",
     "        return 128\n",
     "    else:\n",
-    "        # Try to detect by checking if byte 32 looks like an int\n",
-    "        with open(filepath, 'rb') as f:\n",
-    "            f.seek(32)\n",
-    "            test = f.read(4)\n",
-    "            return 32  # default\n",
+    "        return 32  # default\n",
     "\n",
     "# --- Raw run spectrum ---\n",
     "header_size = detect_header_size(RAW_FILE)\n",