[codex] Make tmux a reproducible Codex-ready config#7
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Track the tmux config and teach the installer to link it, bootstrap TPM, and leave TPM-managed plugin checkouts outside Git. The same change preserves Codex multiline input through Ghostty and tmux by using CSI-u Shift+Enter and a Codex keymap override, while pairing tmux navigation with Neovim mappings. Constraint: TPM installs nested Git repositories under tmux/plugins, so that path must remain ignored rather than committed.\nRejected: Commit TPM plugins as submodules | TPM is already the plugin manager and submodules would duplicate ownership.\nRejected: Rely only on terminal feature negotiation for Shift+Enter | Ghostty restart still did not make Codex see multiline input reliably.\nConfidence: high\nScope-risk: moderate\nDirective: Do not track tmux/plugins; it is an install cache owned by TPM.\nTested: make check\nNot-tested: Live TPM network clone on a fresh machine; Bats covers bootstrap with a fake git clone. Co-authored-by: OmX <omx@oh-my-codex.dev>
tmux mouse mode was intercepting hyperlink clicks before Ghostty could open them. The config now advertises Ghostty hyperlink support and opens tmux-detected OSC 8 hyperlinks directly while falling back to normal pane mouse behavior, and the same change carries the requested shell startup helpers into this PR. Constraint: Mouse support must remain enabled for pane selection, scrolling, and existing tmux workflows.\nConstraint: User explicitly requested including the existing local bash/zsh edits in this commit.\nRejected: Disable tmux mouse mode | it would restore terminal URL clicking but regress tmux mouse UX.\nRejected: Leave shell helpers as separate local edits | user asked to add them to this commit.\nConfidence: medium\nScope-risk: moderate\nDirective: Keep non-link MouseDown1Pane behavior forwarding to tmux so mouse-enabled TUIs still receive clicks.\nTested: make check\nTested: bash -n bash_profile\nTested: zsh -n zshrc\nTested: tmux source-file tmux/tmux.conf\nTested: ghostty +validate-config --config-file=ghostty/config\nNot-tested: Manual click of an OSC 8 hyperlink after opening a fresh Ghostty window. Co-authored-by: OmX <omx@oh-my-codex.dev>
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Summary
~/.config/tmux/plugins/tpmwhile keeping TPM-managed plugin checkouts ignored by Git.Root cause
TPM plugin clones were being staged as embedded Git repositories because
tmux/plugins/was not ignored. Shift+Enter was collapsing before Codex could treat it aseditor.insert_newline, so Ghostty and tmux needed an explicit CSI-u path. URL clicks were also blocked by tmux mouse handling and missing hyperlink feature negotiation for Ghostty.Validation
make checkgit diff --cached --checkbash -n bash_profilezsh -n zshrctmux source-file tmux/tmux.confghostty +validate-config --config-file=ghostty/configNotes
The real TPM network clone on a fresh machine is not exercised by the tests; Bats covers the bootstrap path with a fake
git clone. Manual clicking of a fresh OSC 8 hyperlink after a full terminal restart is not covered by automation.