feat: add Ollama install + service start + model pull to setup.sh

setup.sh

@@ -204,6 +204,80 @@ install_nvidia_toolkit() {
     success "NVIDIA Container Toolkit installed."
 }
 
+# ── Ollama ─────────────────────────────────────────────────────────────────────
+install_ollama() {
+    # ── Install ───────────────────────────────────────────────────────────────
+    if cmd_exists ollama; then
+        success "Ollama already installed: $(ollama --version 2>/dev/null)"
+    else
+        info "Installing Ollama…"
+        case "$OS" in
+            Linux)
+                curl -fsSL https://ollama.com/install.sh | sh ;;
+            Darwin)
+                if cmd_exists brew; then
+                    brew install ollama
+                else
+                    warn "Homebrew not found — skipping Ollama. Install from: https://ollama.com/download"
+                    return
+                fi ;;
+        esac
+        success "Ollama installed."
+    fi
+
+    # ── Start service ─────────────────────────────────────────────────────────
+    if [[ "$OS" == "Linux" ]] && command -v systemctl &>/dev/null; then
+        $SUDO systemctl enable ollama 2>/dev/null || true
+        if ! systemctl is-active --quiet ollama 2>/dev/null; then
+            info "Starting Ollama service…"
+            $SUDO systemctl start ollama 2>/dev/null || true
+        fi
+        info "Waiting for Ollama to be ready…"
+        local i=0
+        until ollama list &>/dev/null 2>&1; do
+            sleep 1; i=$((i+1))
+            if [[ $i -ge 30 ]]; then
+                warn "Ollama service timed out. Run: sudo systemctl start ollama"
+                return
+            fi
+        done
+        success "Ollama service running."
+    elif [[ "$OS" == "Darwin" ]]; then
+        if ! ollama list &>/dev/null 2>&1; then
+            info "Starting Ollama…"
+            brew services start ollama 2>/dev/null \
+                || { ollama serve &>/tmp/ollama.log &; }
+            local i=0
+            until ollama list &>/dev/null 2>&1; do
+                sleep 1; i=$((i+1))
+                if [[ $i -ge 15 ]]; then
+                    warn "Ollama did not start. Run: ollama serve"
+                    return
+                fi
+            done
+        fi
+        success "Ollama service running."
+    fi
+
+    # ── Pull default model ────────────────────────────────────────────────────
+    local script_dir model
+    script_dir="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
+    model="$(grep -E '^OLLAMA_DEFAULT_MODEL=' "${script_dir}/.env" 2>/dev/null \
+             | cut -d= -f2 | tr -d '[:space:]')"
+    [[ -z "$model" ]] && model="llama3.2:3b"
+
+    if ollama show "${model}" &>/dev/null 2>&1; then
+        success "Default model already present: ${model}"
+    else
+        info "Pulling default model: ${model} (this may take several minutes)…"
+        if ollama pull "${model}"; then
+            success "Default model ready: ${model}"
+        else
+            warn "Model pull failed — run manually: ollama pull ${model}"
+        fi
+    fi
+}
+
 # ── Environment setup ──────────────────────────────────────────────────────────
 setup_env() {
     SCRIPT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
@@ -231,7 +305,8 @@ main() {
         check_compose
         install_nvidia_toolkit
     fi
-    setup_env
+    setup_env       # creates .env before install_ollama reads OLLAMA_DEFAULT_MODEL
+    install_ollama
 
     echo ""
     success "All dependencies installed."