CLAUDE.md — config (personal dotfiles)

Project context for Claude. Global preferences in ~/.claude/CLAUDE.md apply on top.

What this is

Personal dotfiles repo. Archetype: dotfiles-meta (meta/config, not an application). Produces vim + bash configuration deployed by install.sh. Private/personal audience.

Public: no
Database: none
Stack: POSIX/bash shell scripts + vimscript
Distribution: git clone + ./install.sh (OS auto-detected)

Layout

remote-install.sh     curl|bash bootstrap: ensure git, clone/pull, run install.sh
install.sh            one-shot installer (OS auto-detected)
vim/vimrc             vim config (pathogen, molokai, syntastic, NERDTree)
vim/autoload/         pathogen loader (committed)
vim/colors/           molokai colorscheme (committed)
bash/bashrc-{linux,osx}          OS-detected bashrc
zsh/{zshrc-osx,bchanot.zsh-theme}  macOS zsh option: oh-my-zsh zshrc + theme porting the bash prompt
bin/{dt,dtach-router,claude-provider}   CLI scripts deployed to ~/.local/bin
etc/profile.d/disk-usage-warning.sh     login-time low-disk warning → /etc/profile.d (Linux only)
etc/tmpfiles.d/tmp.conf                 disk-backed /tmp cleanup rules (offer: /tmp on disk)
etc/systemd/ssh.service.d/override.conf sshd OOM-exempt drop-in (offer: SSH memory guard)
etc/default/earlyoom                    earlyoom args, spare sshd / kill node first (same offer)
etc/fail2ban/jail.d/local.conf          sshd jail: journal backend, all-ports ban, LAN ignored (always)
etc/apt/apt.conf.d/20auto-upgrades      unattended security upgrades on (always)
etc/ssh/sshd_config.d/20-hardening.conf sshd limits that cannot lock out, sshd -t gated (always)
cloudpex/{cloudpex,install.sh,README.md} on-demand SMB mount helper → /usr/local/bin; site values
                                         prompted at install → /etc/cloudpex.conf, never in the script (FR docs)
.claude/{tasks,memory,audits}/   Claude working state

/tmp is a RAM-backed tmpfs on Ubuntu (50% of RAM): agent runs fill it, which is why install.sh offers to mask tmp.mount. Swap is not the fix (the cap and ENOSPC stay).

macOS: install.sh swaps apt-get for Homebrew (colima for Docker, brew services for code-server/mariadb, ~/.bash_profile → ~/.bashrc), asks bash or zsh (MACOS_SHELL presets it; zsh = oh-my-zsh + zsh/ files, bash = brew bash 5) and prints the Linux-only items it skipped. Keep bashrc-osx = bashrc-linux + macOS deltas only, and the zsh files in step with them (same env, aliases, prompt).

pymupdf/markdown_py are NOT tracked — they are pipx entry-point shims, recreated by pipx install PyMuPDF Markdown in install.sh. claude-provider reads $OPENROUTER_API_KEY from the env — never hardcode it (the original had a live key; it was scrubbed — see decisions/blockers).

Commands

Task	Command
Lint	`shellcheck .sh cloudpex/install.sh cloudpex/cloudpex bash/bashrc-`
Syntax check	`bash -n install.sh remote-install.sh cloudpex/install.sh`
Install	`./install.sh` (OS auto-detected)
Remote install	`curl -fsSL <raw>/remote-install.sh \| bash`

No build, no test suite. Lint = shellcheck.

Conventions

Shell scripts: #!/usr/bin/env bash, set -euo pipefail, quote all expansions, keep shellcheck clean.
Installer must stay idempotent (re-runnable without breaking state) and use $SCRIPT_DIR-relative paths.
bashrc files: tabs for indentation (existing style). Style nits (legacy backticks) tolerated — don't churn.
No secrets in any tracked file. Use placeholders if config ever needs tokens.

Known issues (see .claude/audits/ONBOARD_REPORT.md)

vim/vimrc GenerateClassC uses bare name instead of a:name → :ClassC errors (E121). Vim domain, not yet fixed.
bashrc files use legacy backticks (SC2006) — cosmetic.

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