adding ollama installer

scripts/bootstrap_ollama_linux.sh

@@ -0,0 +1,40 @@
+#!/usr/bin/env bash
+set -euo pipefail
+
+echo "🔧 Ollama Linux bootstrap — starting"
+
+# Load environment (MODEL_ROOT, OLLAMA_MODELS)
+# Temporarily disable "nounset" when sourcing user shell files to avoid
+# failures from system /etc/bashrc referencing undefined vars like PS1.
+if [ -f "$HOME/.bashrc" ]; then
+  set +u
+  # shellcheck disable=SC1091
+  source "$HOME/.bashrc" || true
+  set -u
+fi
+
+: "${OLLAMA_MODELS:=$HOME/models/ollama}"
+mkdir -p "$OLLAMA_MODELS"
+
+if command -v ollama >/dev/null 2>&1; then
+  echo "✅ ollama already installed: $(ollama version 2>/dev/null || echo 'unknown')"
+else
+  echo "ℹ️  Attempting to install ollama on Linux"
+  if command -v apt-get >/dev/null 2>&1; then
+    echo "Using apt to install prerequisites..."
+    sudo apt-get update -y || true
+    sudo apt-get install -y ca-certificates curl gnupg lsb-release || true
+    echo "⚠️  Please follow the official ollama Linux install instructions if a package is not available: https://ollama.com/docs/install"
+    echo "If you have a .deb from Ollama, install it with: sudo dpkg -i <file.deb>"
+  elif command -v dnf >/dev/null 2>&1; then
+    echo "Using dnf; please refer to Ollama docs for distro-specific instructions: https://ollama.com/docs/install"
+  else
+    echo "⚠️  Could not detect package manager. Please install ollama manually. See: https://ollama.com/docs/install"
+  fi
+fi
+
+echo "📁 Ensuring model directory exists: $OLLAMA_MODELS"
+mkdir -p "$OLLAMA_MODELS"
+
+echo "✅ Linux Ollama bootstrap complete."
+echo "Next steps: run scripts/ollama_tmux.sh to start the server in tmux, and place models under $OLLAMA_MODELS"