feat: include opencode in AI tools installation

Install opencode from official Arch repositories in the AI tools setup flow and include it in optional AI dependency checks so installation and validation stay aligned.

Made-with: Cursor

Author: ulises-jeremias

home/.chezmoiscripts/linux/run_onchange_before_install-ai-tools.sh.tmpl

@@ -7,7 +7,8 @@ set -euo pipefail
 
 sudo pacman -S --noconfirm --needed \
   nodejs \
-  npm
+  npm \
+  opencode
 
 yay -S --noconfirm --needed \
   visual-studio-code-bin \

home/dot_local/bin/executable_dots-dependencies

@@ -62,6 +62,7 @@ declare -A AI_DEPS=(
   ["code"]="Visual Studio Code"
   ["cursor"]="Cursor AI IDE"
   ["claude"]="Claude Code CLI"
+  ["opencode"]="OpenCode CLI"
   ["pi"]="Pi coding agent"
 )
 
@@ -147,7 +148,7 @@ install_dependencies() {
   if [[ -n ${optional} ]]; then
     log_info "Installing optional AI dependencies..."
     if command -v pacman >/dev/null 2>&1; then
-      sudo pacman -S --needed nodejs npm
+      sudo pacman -S --needed nodejs npm opencode
       if command -v yay >/dev/null 2>&1; then
         yay -S --noconfirm --needed \
           visual-studio-code-bin \