update todo

doc/todo.md

@@ -34,7 +34,7 @@ version-bump.
 - [ ] **True-colour variants of other themes** — create `monokai-tc.theme`,
   `abyss-tc.theme`, etc. using the same `\e[38;2;R;G;Bm` approach as the
   Solarized themes. **[easy]** _(per theme)_
-- [ ] **Theme preview command** — add a `theme_preview` (or `profile_theme`)
+- [X] **Theme preview command** — add a `theme_preview` (or `profile_theme`)
   function that renders a colour swatch and a sample prompt line for the
   currently loaded theme, so users can evaluate themes without reloading
   the session. **[medium]**
@@ -59,7 +59,7 @@ version-bump.
   sizes in K/M/G instead of bytes. **[easy]**
 
 ### info
-- [ ] **`showinfo` fallback** — when neither `neofetch` nor `fastfetch` is
+- [X] **`showinfo` fallback** — when neither `neofetch` nor `fastfetch` is
   installed, print a minimal sysinfo block (hostname, OS, kernel, uptime,
   CPU, RAM) using pure Bash + `/proc`. **[medium]**
 
@@ -110,7 +110,7 @@ version-bump.
 - [ ] **`profile_uninstall` function** — remove the `source` line from
   `~/.bashrc` / `~/.profile` and optionally delete the install directory,
   with a dry-run mode. **[medium]**
-- [ ] **`disp` syslog integration** — add a `DISP_SYSLOG=1` config key that
+- [ ] **`disp` syslog integration** — add a `DISP_SYSLOG=<context>` config key that
   additionally pipes E/W messages to `logger`. **[easy]**
 - [ ] **XDG base-dir support** — honour `$XDG_CONFIG_HOME` as an alternative
   location for `profile.conf` so users can keep `~` tidy. **[medium]**