Refactor entry points: split launcher into linux.sh and mac.sh, rename start.bat to windows.bat, isolate OS node_modules

linux.sh

@@ -0,0 +1,160 @@
+#!/usr/bin/env bash
+#
+# Local AI Image Generator - Linux Launcher
+# Double-click or run: ./linux.sh
+# Use --max-perf to enable ROCm backend downloads on Linux first setup.
+#
+
+set -euo pipefail
+
+SCRIPT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
+APP_DIR="$SCRIPT_DIR/app"
+PLATFORM="$(uname -s)"
+
+if [[ "$PLATFORM" != "Linux" ]]; then
+  echo "[ERROR] This script is for Linux only. Please run ./mac.sh on macOS." >&2
+  exit 1
+fi
+
+NODE_DIR="$APP_DIR/tools/node-linux"
+NODE_BIN="$NODE_DIR/bin/node"
+BACKEND_PATH="$APP_DIR/backend/linux/vulkan/sd-vulkan"
+CPU_BACKEND_PATH="$APP_DIR/backend/linux/cpu/sd-cpu"
+PLATFORM_LABEL="Linux"
+
+DIST_INDEX="$APP_DIR/dist/index.html"
+SETUP_SCRIPT="$SCRIPT_DIR/scripts/setup.sh"
+SERVE_SCRIPT="$SCRIPT_DIR/scripts/serve.cjs"
+
+FRONTEND_PORT="${FRONTEND_PORT:-1420}"
+SETUP_REASON=""
+SETUP_MODE="Repair"
+MAX_PERF_FLAG=""
+
+# Parse args
+if [[ "${1:-}" == "--max-perf" ]]; then
+  MAX_PERF_FLAG="--max-perf"
+fi
+
+# ── Symlink node_modules to avoid OS conflicts ──────────────────────────────
+FRONTEND_NODE_MODULES="$APP_DIR/frontend/node_modules"
+LINUX_NODE_MODULES="$APP_DIR/frontend/node_modules_linux"
+
+if [[ -d "$FRONTEND_NODE_MODULES" && ! -L "$FRONTEND_NODE_MODULES" ]]; then
+  echo "  >> Migrating existing node_modules to node_modules_linux..."
+  mv "$FRONTEND_NODE_MODULES" "$LINUX_NODE_MODULES"
+fi
+
+rm -f "$FRONTEND_NODE_MODULES"
+mkdir -p "$LINUX_NODE_MODULES"
+ln -sf "node_modules_linux" "$FRONTEND_NODE_MODULES"
+
+# ── First-time setup check ─────────────────────────────────────────────────
+if [[ ! -d "$NODE_DIR" ]]; then
+  SETUP_MODE="First-Time Setup"
+fi
+
+if [[ ! -x "$NODE_BIN" ]]; then
+  SETUP_REASON="Portable Node.js for Linux is missing."
+fi
+
+if [[ ! -f "$DIST_INDEX" ]]; then
+  SETUP_REASON="Frontend build is missing."
+fi
+
+# At minimum we need CPU or Vulkan backend on Linux, and both CLI and server binaries must be executable
+CPU_SERVER_PATH="$APP_DIR/backend/linux/cpu/sd-server-cpu"
+VULKAN_SERVER_PATH="$APP_DIR/backend/linux/vulkan/sd-server-vulkan"
+if [[ ! -x "$CPU_BACKEND_PATH" || ! -x "$CPU_SERVER_PATH" ]] && [[ ! -x "$BACKEND_PATH" || ! -x "$VULKAN_SERVER_PATH" ]]; then
+  SETUP_REASON="Linux backend binaries are missing or not executable."
+fi
+
+if [[ -n "$SETUP_REASON" ]]; then
+  echo ""
+  echo "  ============================================================"
+  echo "   LOCAL AI IMAGE GENERATOR  |  $PLATFORM_LABEL $SETUP_MODE"
+  echo "  ============================================================"
+  echo ""
+  if [[ "$SETUP_MODE" == "First-Time Setup" ]]; then
+    echo "  This looks like your first run on Linux. Setting up automatically..."
+  else
+    echo "  Local AI Image Generator needs a quick repair before launch."
+  fi
+  echo "  Reason: $SETUP_REASON"
+  echo "  Models are not downloaded during setup. Download or import them in the app."
+  echo ""
+  read -rp "  Press Enter to continue, or Ctrl+C to cancel."
+
+  # Clear any existing frontend server process
+  if command -v fuser >/dev/null 2>&1; then
+    fuser -k "${FRONTEND_PORT}/tcp" >/dev/null 2>&1 || true
+  fi
+
+  if ! bash "$SETUP_SCRIPT" $MAX_PERF_FLAG; then
+    echo ""
+    echo "  [ERROR] Setup failed. Please check the output above."
+    read -rp "  Press Enter to close..."
+    exit 1
+  fi
+fi
+
+# ── Launch ─────────────────────────────────────────────────────────────────
+clear 2>/dev/null || true
+echo ""
+echo "  ============================================================"
+echo "   LOCAL AI IMAGE GENERATOR  |  Launching..."
+echo "  ============================================================"
+echo ""
+
+# Clear frontend port
+if command -v fuser >/dev/null 2>&1; then
+  fuser -k "${FRONTEND_PORT}/tcp" >/dev/null 2>&1 || true
+fi
+
+# Start the server
+echo "  Starting Local AI Image Generator..."
+export PATH="$NODE_DIR/bin:$PATH"
+export FRONTEND_PORT="$FRONTEND_PORT"
+
+# Run server in background and capture PID
+"$NODE_BIN" "$SERVE_SCRIPT" &
+SERVER_PID=$!
+
+# Wait for server to be ready
+sleep 2
+
+# Open browser
+if command -v xdg-open >/dev/null 2>&1; then
+  echo "  Opening browser at http://localhost:${FRONTEND_PORT}"
+  xdg-open "http://localhost:${FRONTEND_PORT}" >/dev/null 2>&1 &
+else
+  echo "  Open your browser to: http://localhost:${FRONTEND_PORT}"
+fi
+
+echo ""
+echo "  ============================================================"
+echo "   Running!"
+echo "   Web UI:     http://localhost:${FRONTEND_PORT}"
+echo "   GPU API:    Auto-selected by the app (starts at 8080)"
+echo ""
+echo "   Press Ctrl+C in this window to stop all services."
+echo "  ============================================================"
+echo ""
+
+# Cleanup on exit
+cleanup() {
+  echo ""
+  echo "  Shutting down..."
+  if kill -0 "$SERVER_PID" >/dev/null 2>&1; then
+    kill -TERM "$SERVER_PID" >/dev/null 2>&1 || true
+    sleep 1
+    kill -KILL "$SERVER_PID" >/dev/null 2>&1 || true
+  fi
+  echo "  Done. Goodbye!"
+  exit 0
+}
+trap cleanup SIGINT SIGTERM
+
+# Keep script alive
+wait "$SERVER_PID" || true
+cleanup