Adds z_track_start/z_track_stop + z_record to zhelpers.sh and wires
z_track_start into every command script. Each run now captures its own output
volume (FIFO+tee, ANSI stripped), prints the '--- N lines / N chars / ~N tokens
est. (Claude Code) ---' footer, and appends one JSONL row per top-level run in
the same shape as the PowerShell tokens.jsonl. A nested-run guard keeps
zrestart from double-counting its zkill/zstart children.
Data dir precedence: $ZTOKENS_DATA, config ztokens.dataDir, sibling
../../ztokens/data, else ~/.ztokens/data. Docs + example config updated.
Verified on WSL (isolated data dir): single run records correctly; nested
zrestart produces one combined record, not three; est = round(chars/3.5).
Full port: zhelpers.sh library (jq config, ssh, http/tcp, archive builder,
build-version, motd, port-kill), all commands (zstart/zkill/zrestart/zstop,
zdeploy with 5 kind handlers, zec2/zec2online/zrepair, zbackup/zbackup_ec2/
zsync/zbackup_and_sync, zstart_docker, zsetup_mail, setup_backup_schedule via
cron), Unix-path zconfig.example.json, and a bash/README.md.
Verified: bash -n clean on all scripts; archive exclusions, config semantics,
and zec2 tested against the real config and live server from Git Bash. Needs a
Linux/macOS/WSL shakedown for lsof/rsync/nohup paths before merging.
