huge commit

2026/srdnlen_quals/forensic/chapter3/detect_jumps.py

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+import csv
+import re
+
+with open("./fs_events/FSE_Reports/All_FSEVENTS.tsv", "r") as f:  # update path
+    reader = csv.DictReader(f, delimiter="\t")
+    rows = [
+        r["fullpath"] for r in reader
+        if r["fullpath"].startswith("keys/key_") and r["fullpath"].endswith(".txt")
+    ]
+
+rows.sort()  # sort by name to ensure order
+
+for i in range(len(rows) - 1):
+    current = int(re.search(r'key_(\d+)', rows[i]).group(1))
+    next_   = int(re.search(r'key_(\d+)', rows[i+1]).group(1))
+    if next_ != current + 1:
+        print(f"GAP: {rows[i]} -> {rows[i+1]}  (expected key_{current+1:06d}, got key_{next_:06d})")
+
+print("Done.")