feat: add wordlist tools submenu (len, req-include, req-exclude, cutb, rli, rli2, splitlen, gate) (#90, #91, #92, #94)

Add Wordlist Tools submenu (key 80) with 7 preprocessing utilities backed by hashcat-utils binaries:

- Filter by length (len.bin) - #90
- Require/exclude character classes (req-include.bin, req-exclude.bin) - #90
- Extract substring (cutb.bin) - #90
- Remove matching lines (rli.bin, rli2.bin) - #91
- Split by length (splitlen.bin) - #92
- Shard wordlist (gate.bin) - #94

Three-layer pattern:
- main.py: low-level wrappers (wordlist_filter_len, wordlist_filter_req_include,
  wordlist_filter_req_exclude, wordlist_cutb, wordlist_splitlen, wordlist_subtract,
  wordlist_subtract_single, wordlist_gate) return bool for testability
- attacks.py: UI handlers with input validation and the wordlist_tools_submenu dispatcher
- hate_crack.py + main.py: menu item "80" wired in both get_main_menu_items and
  get_main_menu_options

Move interactive_menu import to attacks.py module level (was local import in
combinator_submenu) to support patching in tests.

hate_crack.py

@@ -88,6 +88,7 @@ def get_main_menu_options():
         "16": _attacks.omen_attack,
         "17": _attacks.adhoc_mask_crack,
         "18": _attacks.markov_brute_force,
+        "80": _attacks.wordlist_tools_submenu,
         "90": download_hashmob_rules,
         "91": weakpass_wordlist_menu,
         "92": download_hashmob_wordlists,