oh-my-zsh rework + LiteLLM model presets

install.sh

@@ -0,0 +1,38 @@
+#!/usr/bin/env bash
+# Idempotent install: ensure zsh + oh-my-zsh, then symlink configs.
+set -euo pipefail
+SRC=$(cd "$(dirname "$0")" && pwd)
+
+# 1. zsh (workspace base image may or may not have it)
+if ! command -v zsh >/dev/null 2>&1; then
+  sudo apt-get update -qq
+  sudo apt-get install -y --no-install-recommends zsh
+fi
+
+# 2. oh-my-zsh
+if [ ! -d "$HOME/.oh-my-zsh" ]; then
+  RUNZSH=no CHSH=no KEEP_ZSHRC=yes \
+    sh -c "$(curl -fsSL https://raw.githubusercontent.com/ohmyzsh/ohmyzsh/master/tools/install.sh)"
+fi
+
+# 3. zsh plugins (autosuggestions + syntax highlighting)
+ZSH_CUSTOM=${ZSH_CUSTOM:-$HOME/.oh-my-zsh/custom}
+[ -d "$ZSH_CUSTOM/plugins/zsh-autosuggestions" ] || \
+  git clone -q https://github.com/zsh-users/zsh-autosuggestions "$ZSH_CUSTOM/plugins/zsh-autosuggestions"
+[ -d "$ZSH_CUSTOM/plugins/zsh-syntax-highlighting" ] || \
+  git clone -q https://github.com/zsh-users/zsh-syntax-highlighting "$ZSH_CUSTOM/plugins/zsh-syntax-highlighting"
+
+# 4. symlink every file under home/ into $HOME (idempotent)
+while IFS= read -r f; do
+  rel=${f#"$SRC/home/"}
+  mkdir -p "$HOME/$(dirname "$rel")"
+  ln -sf "$SRC/home/$rel" "$HOME/$rel"
+done < <(find "$SRC/home" -mindepth 1 -type f)
+
+# 5. default shell -> zsh
+CURSHELL=$(getent passwd "$USER" | cut -d: -f7)
+if [ "$CURSHELL" != "$(command -v zsh)" ]; then
+  sudo chsh -s "$(command -v zsh)" "$USER" || true
+fi
+
+echo "dotfiles installed: zsh + ohmyzsh + symlinks from $SRC/home"