diff --git a/.chezmoidata/packages.yaml b/.chezmoidata/packages.yaml
index 0db438a..014c039 100644
--- a/.chezmoidata/packages.yaml
+++ b/.chezmoidata/packages.yaml
@@ -140,6 +140,7 @@ packages:
       - suvadu
       - mandible
       - worktrunk
+      - tmux-expose
     # global mise tools: `mise use -g <tool>` (run_onchange_after_15-tools).
     # Registry short names where mise has one (`mise registry <tool>`), else a
     # backend spec; written to ~/.config/mise/config.toml under the same key.
diff --git a/docs/terminal/ghostty.md b/docs/terminal/ghostty.md
index 4b25ce1..47cbfa8 100644
--- a/docs/terminal/ghostty.md
+++ b/docs/terminal/ghostty.md
@@ -60,12 +60,13 @@ Closing a window only detaches its session; the shells keep running in the tmux
 | `ctrl+plus` / `ctrl+minus` / `ctrl+zero` | Font size +1 / -1 / reset |
 | `ctrl+shift+.` | Reload Ghostty config |
 | `shift+enter` | Sends `ESC[13;2u` (CSI-u Shift+Enter), which tmux passes through to the pane, so coding agents such as omp and Claude Code insert a newline instead of submitting. Not `\n`: that is `ctrl+j`, tmux's pane-down key |
-| `ctrl+space`, `ctrl+backspace` | Sends NUL (tmux `C-Space`): opens the [tmux command palette](tmux.md#command-palette) |
+| `ctrl+space` | Sends NUL (tmux `C-Space`): opens the [tmux command palette](tmux.md#command-palette) |
 
 | Key | Sends | tmux action |
 | --- | --- | --- |
 | `ctrl+shift+t` | `prefix c` | New window (tab) in pane cwd |
 | `ctrl+shift+p` / `ctrl+shift+space` | `prefix t` | Project Tasks palette (pj: install, dev, sync, make, every project task) |
+| `ctrl+backspace` | `prefix E` | [tmux-expose](tmux.md#keybindings): live thumbnails of every session; `ctrl+backspace` again closes it |
 | `ctrl+shift+a` | `prefix w` | [Workmux palette](../shell/scripts.md#workmux-palette): agents by status, worktrees, new worktree from a prompt |
 | `ctrl+shift+f` | `prefix y` | Yazi in a new window, pane cwd |
 | `ctrl+shift+e` | `prefix e` | Neovim in a new window, pane cwd |
diff --git a/docs/terminal/tmux.md b/docs/terminal/tmux.md
index d7da2b0..4b2ef97 100644
--- a/docs/terminal/tmux.md
+++ b/docs/terminal/tmux.md
@@ -42,6 +42,7 @@ These settings are what [yazi](../tools/yazi.md) needs inside tmux. `allow-passt
 | `prefix q` | Reload config |
 | `prefix /` | Copy mode, then search upward |
 | `prefix o` | Sessions palette ([`tmux-sessions`](../shell/scripts.md#tmux-sessions)): fuzzy-find the other sessions, every window of every session, zoxide's and `~/.config`'s directories, and Rename/Kill items per session. Typed text that is not a session starts one by that name in its zoxide match |
+| `prefix E` | [tmux-expose](https://github.com/cesarferreira/tmux.expose) (cargo crate `tmux-expose`) in a full-screen popup, Ghostty `ctrl+backspace`: every session as a live, color-preserving thumbnail; arrows or click to select, typing fuzzy-filters, `Enter` switches, `Esc` closes. The popup gets `TMUX_EXPOSE_TOGGLE_KEY=E`, so pressing the chord again closes it unless you are typing a filter. Cards use cyberdream colors (selected `#5ea1ff`, attached `#5eff6c`, others `#7b8496`). Replaces tmux's `prefix E` (`select-layout -E`) |
 | `prefix t` | Project Tasks palette ([`pj-palette`](../shell/scripts.md#pj-palette)): install/dev/sync/make/compose quick actions plus every `pj` task. One-off tasks run in a full-width bottom split (25% of the window); dev servers and `docker compose up` run in a background `<session>:<tool-and-command>` session shown in a popup (`q` hides, `ctrl-c` asks `y/n` then stops), listed under Running to reopen |
 | `prefix w` | Workmux palette ([`workmux-palette`](../shell/scripts.md#workmux-palette)), Ghostty `ctrl+shift+a`: tracked agents by status, the repo's worktrees with Close/Merge/Remove, new worktree from the typed branch or a prompt, dashboard, sidebar, last-done. Replaces tmux's `choose-tree`, which the Sessions palette covers. See [workmux](../tools/workmux.md) |
 | `prefix S` | Toggle workmux's live agent sidebar in every session (`workmux sidebar`), Ghostty `ctrl+shift+s`. tmux's session tree stays on `prefix s` |