Polish BOS: dark theme, shell QoL, icons, media, clipboard

- Global dark theme: gnome-themes-extra (GTK3 Adwaita-dark), qt5ct/qt6ct
  with Fusion dark skel config, QT_QPA_PLATFORMTHEME=qt5ct env
- Icons/cursor: papirus-icon-theme (Papirus-Dark) + bibata-cursor-theme
  (Bibata-Modern-Ice), set via gsettings autostart + GTK settings.ini + env
- gnome-keyring: credential storage for browsers and apps
- gvfs + gvfs-mtp: nautilus trash, phone access, network shares
- zsh: default user shell (users.conf userShell=/bin/zsh) + skel .zshrc
  with eza/bat/fzf/zoxide aliases, git prompt, fzf history search
- Shell QoL packages: eza, bat, fzf, zoxide
- Media: gst-plugins-good/bad/ugly, pavucontrol
- cliphist: clipboard history daemon (autostart) + SUPER+SHIFT+V bind
- Fonts: noto-fonts-cjk, ttf-jetbrains-mono-nerd

iso/airootfs/etc/skel/.zshrc

@@ -0,0 +1,65 @@
+# BOS default zsh config — quality-of-life defaults, easy to extend.
+
+# History
+HISTFILE=~/.zsh_history
+HISTSIZE=10000
+SAVEHIST=10000
+setopt HIST_IGNORE_DUPS HIST_IGNORE_SPACE SHARE_HISTORY
+
+# Completion
+autoload -Uz compinit && compinit
+zstyle ':completion:*' menu select
+zstyle ':completion:*' matcher-list 'm:{a-z}={A-Z}'
+
+# Key bindings (emacs style + common extras)
+bindkey -e
+bindkey '^[[A' history-search-backward
+bindkey '^[[B' history-search-forward
+
+# fzf — fuzzy history search on Ctrl+R, fuzzy file find on Ctrl+T
+if command -v fzf &>/dev/null; then
+    source /usr/share/fzf/key-bindings.zsh 2>/dev/null || true
+    source /usr/share/fzf/completion.zsh 2>/dev/null || true
+    export FZF_DEFAULT_OPTS='--height 40% --layout=reverse --border'
+fi
+
+# zoxide — smarter cd (type z instead of cd)
+if command -v zoxide &>/dev/null; then
+    eval "$(zoxide init zsh)"
+fi
+
+# Modern replacements with fallbacks
+if command -v eza &>/dev/null; then
+    alias ls='eza --icons --group-directories-first'
+    alias ll='eza -la --icons --group-directories-first --git'
+    alias lt='eza --tree --icons --level=2'
+else
+    alias ls='ls --color=auto'
+    alias ll='ls -la'
+fi
+
+if command -v bat &>/dev/null; then
+    alias cat='bat --style=plain --paging=never'
+fi
+
+# General aliases
+alias clr='clear'
+alias ..='cd ..'
+alias ...='cd ../..'
+alias mkdir='mkdir -p'
+alias cp='cp -i'
+alias mv='mv -i'
+alias df='df -h'
+alias free='free -h'
+alias grep='grep --color=auto'
+alias ip='ip --color=auto'
+
+# bakery / bread
+alias update='bakery update'
+
+# Prompt — simple and fast (no starship dep)
+autoload -Uz vcs_info
+precmd() { vcs_info }
+zstyle ':vcs_info:git:*' formats ' (%b)'
+setopt PROMPT_SUBST
+PROMPT='%F{cyan}%~%f%F{yellow}${vcs_info_msg_0_}%f %(?.%F{green}.%F{red})❯%f '