zsh: strip comments, add branch toggle, disable updates flag

zsh/zshrc

@@ -52,10 +52,7 @@ install_opencode(){
   curl -fsSL https://opencode.ai/install | bash
 }
 
-# Bootstrap: download and run once per bootstrap version. Installs missing CLI
-# tools and oh-my-zsh/plugins across distros; prints a banner so the user knows
-# what the activity is. Re-runs only when ZSHRC_BOOTSTRAP_VERSION is bumped or
-# BOOTSTRAP=true is set.
+# Bootstrap: installs missing CLI tools and oh-my-zsh plugins across distros.
 if [[ ! -f "$ZSHRC_BOOTSTRAP" || "$(cat "$ZSHRC_BOOTSTRAP" 2>/dev/null)" != "$ZSHRC_BOOTSTRAP_VERSION" || "$BOOTSTRAP" == "true" ]]; then
   tmp=/tmp/.zshrc_bootstrap.$$
   curl -fsSL --connect-timeout 5 --max-time 10 -o "$tmp" "$ZSHRC_BOOTSTRAP_URL" 2>/dev/null
@@ -70,17 +67,12 @@ TMUXCONF="$HOME/.config/tmux"
 BYOBUCONF="$HOME/.config/byobu"
 TMUXREMOTE="$ZSHRC_GIT/tmux.conf"
 if [ ! -f "$TMUXCONF/tmux.conf" ] && [ ! -f "$BYOBUCONF/.tmux.conf" ]; then
-    # Create a secure temporary file
     TEMP_TMUXCONF=$(mktemp)
-
-    # Download to temp file.
-    # The '&&' ensures the 'mv' only runs if curl succeeds (exit code 0).
     if curl -fsSL --connect-timeout 5 --max-time 10 -o "$TEMP_TMUXCONF" "$TMUXREMOTE"; then
         mkdir -p "$TMUXCONF" "$BYOBUCONF"
         cp "$TEMP_TMUXCONF" "$TMUXCONF/tmux.conf"
         mv "$TEMP_TMUXCONF" "$BYOBUCONF/.tmux.conf"
     else
-        # Optional: Clean up temp file if download failed
         rm -f "$TEMP_TMUXCONF"
         echo "Error: Failed to download tmux config from $TMUXREMOTE" >&2
     fi
@@ -140,10 +132,6 @@ zstyle ':omz:plugins:eza' 'icons'               yes
 zstyle ':omz:plugins:eza' 'color-scale'         all
 zstyle ':omz:plugins:eza' 'color-scale-mode'    fixed
 zstyle ':omz:plugins:eza' 'size-prefix'         si
-# NOTE: 'hyperlink' is intentionally NOT set here. The oh-my-zsh eza plugin adds
-# a bare "--hyperlink" flag which eza (clap) treats as taking the next token as
-# its optional value, so `la /` fails with "invalid value '/'". We re-enable
-# hyperlinks safely below via the glued `--hyperlink=always` form.
 
 zstyle ':completion:*' menu select
 zstyle ':completion:*' matcher-list 'm:{a-z}={A-Za-z}'
@@ -152,14 +140,7 @@ zstyle ':completion:*' special-dirs true
 
 source $OHMYZSH/oh-my-zsh.sh
 
-# Re-enable eza hyperlinks, picking the flag form the installed eza supports.
-# Newer eza: --hyperlink takes an optional value; the oh-my-zsh plugin's bare
-# --hyperlink would eat the following path arg (e.g. `la /` -> invalid value '/'),
-# so we use the glued --hyperlink=always form.
-# Older eza (e.g. Debian's): --hyperlink is a pure boolean and rejects a value,
-# so --hyperlink=always errors; the bare --hyperlink is correct and safe there
-# (boolean flags don't consume the next token, so the path-eating bug doesn't
-# apply).
+# eza hyperlink workaround: oh-my-zsh's bare --hyperlink eats the next arg on newer eza.
 _hl_flag="--hyperlink"
 if command -v eza >/dev/null && eza --help 2>&1 | grep -q -- '--hyperlink.*<WHEN>'; then
   _hl_flag="--hyperlink=always"
@@ -169,13 +150,10 @@ for _ea in la ldot lD lDD ll ls lsd lsdl lS lT; do
 done
 unset _ea _hl_flag
 
-# --- Tool integrations (self-configuring: enabled only when the tool exists) ---
-
-# zoxide: frecency-based directory jumping — `z <substring>` / `zi` (fzf picker).
-# Replaces nothing; `cd` still works. Auto-installed by the bootstrap.
+# zoxide: frecency-based directory jumping.
 command -v zoxide >/dev/null && eval "$(zoxide init zsh)" 2>/dev/null
 
-# bat: colored `cat` and colored man pages. bat/batcat handled by bootstrap.
+# bat: colored `cat` and colored man pages.
 if command -v bat >/dev/null; then
   alias cat='bat'
   export BAT_THEME="${BAT_THEME:-Monokai Extended}"
@@ -183,9 +161,7 @@ if command -v bat >/dev/null; then
   export MANROFFOPT='-c'
 fi
 
-# delta: prettier git diffs as git's pager (git respects GIT_PAGER). Auto-installed
-# by the bootstrap. Not aliased to `diff` since delta reads diff input on stdin,
-# not two file arguments — GIT_PAGER is the correct integration.
+# delta: prettier git diffs as git's pager.
 command -v delta >/dev/null && export GIT_PAGER='delta'
 
 alias c='clear'
@@ -196,12 +172,8 @@ alias nbstat=$'netbird status --json | jq -r \'.peers.details[]? | [(.hostname /
 alias open-ports="ss -tulpn | grep LISTEN"
 alias yeet='yay -Rcs'
 
-# Auto-update self and managed configs: checked every interactive shell start,
-# silently skipped if the server is unreachable. Keeps zshrc + starship.toml in
-# sync across machines (reproducible/self-configuring); only reloads the shell
-# when the zshrc itself changes (starship applies its config live per render).
-if [[ -o interactive ]]; then
-  # zshrc (reload shell if changed)
+# Auto-update zshrc and starship config on interactive shell start. Disable with ZSHRC_UPDATE_DISABLED=true.
+if [[ -o interactive && "$ZSHRC_UPDATE_DISABLED" != "true" ]]; then
   tmp=/tmp/.zshrc.$$
   if curl -fsSL --connect-timeout 3 --max-time 8 "$ZSHRC_URL" -o "$tmp" 2>/dev/null \
       && [[ -f "$tmp" ]] && zsh -n "$tmp" 2>/dev/null \
@@ -211,7 +183,7 @@ if [[ -o interactive ]]; then
   fi
   rm -f "$tmp"
 
-  # starship prompt config (overwrite if changed; applied live on next render)
+  # starship config
   if command -v starship >/dev/null; then
     stmp=$(mktemp)
     if curl -fsSL --connect-timeout 3 --max-time 8 "$ZSHRC_GIT/starship.toml" -o "$stmp" 2>/dev/null \