v1.2.7

• tightened copy: leaner readme, 'cleared:' on boss win, dropped marketing punctuation
• manpage descriptions: dropped 'swiss-army knife' cliche + impl detail
• menu taglines now descent/ROOT-consistent
• (carries v1.2.7-dev: modern hcxdumptool form taught first)

v1.2.6

• disown: drop disown -h from detach question (-h keeps job in table)
• airodump-ng: --channel not -C (-C takes MHz, not channel numbers)
• find -exec: \; terminator now survives normalization intact
• normalize every semicolon in a glued token (a;b;c), not just the first
• enforce #require on the text-match path
• reset sandbox between placement questions
• monotone-guard placement level on retake
• cap sandbox writes at 64MB so dd can't fill the disk
• portable disk-space check (df -kP)
• caveat reverse-shell (pentest) and iptables flush (opens all ports)

v1.2.5

• fix: `cmdchamp test` now exits non-zero on failure (was always 0 — masked broken tests)
• fix: profile/score integrity — survive unset/relative HOME and unwritable data dir; reset can't destroy its own backup
• fix: vi operator keys can no longer freeze the boss/challenge timer
• fix: bracketed paste — multi-line pastes flatten to one line, no early submit
• fix: cap sandbox processes against fork bombs
• fix: Home/End/Del no longer leak bytes as vi commands
• fix: ss "all connections" no longer listening-only; awk skips csv header; drop searchsploit -m footgun
• feat: confirm before reset wipes progress (scriptable when piped)
• ci: shellcheck + full test suites on push

v1.2.4

• trim dead tool hcitool (removed from modern bluez — bluetoothctl is the taught answer)
• trim xargs-with-no-command as a newline→space hack (footgun; tr/paste remain)

v1.2.3

• fix: relabel the bogus "GNU rename" prompt to name the two real tools (perl-rename / util-linux rename)

v1.2.2

• fix: piped answer variants (jq/awk/uniq/openssl/runc/capsh) were silently rejected in text-match mode — switched those answers to the § delimiter
• add selftest invariant that fails on any |-delimited question containing a shell pipe

v1.2.1

manpage cleanup: strip flags not taught anywhere

• audit every flag/keyword in each MANPAGE entry; remove those never used in level questions or scenarios
• trim flags from 47 commands (touch, less, find, wc, tar, ps, ssh, diff, docker, apt, dnf, hostname, etc.)
• drop pacman entry entirely — command never appears in any answer
• delete 6 dead duplicate entries (hydra, airmon-ng, airodump-ng, aireplay-ng, aircrack-ng, openssl had earlier defs overridden by later)

v1.2.0

• fix ~100 prompts missing info needed to solve (all 30 levels audited)
• sandbox: bwrap --tmpfs syntax fixed — /tmp now actually mounts as tmpfs
• engine: concurrent instance scores merged by timestamp (no data loss)
• engine: unseen questions start at tier 0 (1 correct answer → learning, not mastered)
• engine: profile migration covers all old versions gracefully
• engine: placement test quit no longer saves partial low placement
• engine: boss round threshold clamps when pool < BOSS_TOTAL (was unwinnable)
• fix: _fnorm now keeps -d/-f/-F/-t pairs together through sort (cut -d: -f1 ≡ cut -f1 -d:)
• fix: regex with | inside |-delimited DSL question caused broken regex match
• fix: fire mode no longer claims '+2 points' (was flavor-only, never scored)
• fix: scenario snap save/restore TOCTOU window closed
• 3 new scenarios: Git Rescue (L23), Batch Refactor (L21), Forensic Sweep (L22)
• 19 new manpages: dig, host, column, printf, date, strace, timeout, inotifywait, openssl, whois, ssh-copy-id, aircrack-ng, airmon-ng, airodump-ng, aireplay-ng, hydra, bpftrace, auditctl, gdb + 8 more
• manpage upgrades: ssh (-p PORT), tar (-C fix + -j/-J), du (--max-depth), ps (-ef), nc (-u), grep (-R), nmap (root flags), iptables (-D/-I), cryptsetup (open/close), less (key bindings)
• 18 new selftests: merge-on-flush, canonical_cmd alias, bwrap /tmp, blocklist additions
• 9 content bugs: output check tightening, sort -k boundary fix, fd --changed-within unit fix
• docs: cmdchamp help expanded with env vars, requirements, data files, tips

v1.1.5

• fix: document cp -i/-n and shred -v/-f flags so prompts asking for those behaviors are solvable from the manpage
• docs: drop trend-bound wording in readme

v1.1.4

• fix: remove sandbox command output display after correct answers
• fix: probe bwrap at startup, fall back to text-match if blocked
• fix: route migration warning to stderr, detect 2>file as destructive
• perf: drop redundant subshell, defer score sort, cap session promotes