fix: integrate AI cross-platform start scripts

Former-commit-id: 2054b6036d

frontend/package.json

@@ -5,7 +5,7 @@
   "scripts": {
     "dev": "concurrently \"npm run dev:frontend\" \"npm run dev:backend\"",
     "dev:frontend": "next dev",
-    "dev:backend": "cd ../backend && python -m uvicorn main:app --reload",
+    "dev:backend": "node ../start-backend.js",
     "build": "next build",
     "start": "next start",
     "lint": "eslint"

start-backend.js

@@ -0,0 +1,20 @@
+const { execSync } = require("child_process");
+const path = require("path");
+const fs = require("fs");
+
+const backendDir = path.resolve(__dirname, "backend");
+const venvBin = process.platform === "win32"
+  ? path.join(backendDir, "venv", "Scripts", "python.exe")
+  : path.join(backendDir, "venv", "bin", "python3");
+
+if (!fs.existsSync(venvBin)) {
+  console.error(`[!] Python venv not found at: ${venvBin}`);
+  console.error("[!] Run start.sh (Mac/Linux) or start.bat (Windows) first to create the venv.");
+  process.exit(1);
+}
+
+console.log(`[*] Starting backend with: ${venvBin}`);
+execSync(`"${venvBin}" -m uvicorn main:app --reload`, {
+  cwd: backendDir,
+  stdio: "inherit",
+});

start.sh

@@ -10,31 +10,38 @@ if ! command -v npm &> /dev/null; then
     exit 1
 fi
 
-# Check for Python
-if ! command -v python3 &> /dev/null; then
+# Check for Python 3
+PYTHON_CMD=""
+if command -v python3 &> /dev/null; then
+    PYTHON_CMD="python3"
+elif command -v python &> /dev/null; then
+    PYTHON_CMD="python"
+else
     echo "[!] ERROR: python3 is not installed. Please install Python 3.10+ (https://python.org/)"
     exit 1
 fi
 
+echo "[*] Using Python: $PYTHON_CMD ($($PYTHON_CMD --version 2>&1))"
+
+# Get the directory where this script lives (handles running from any location)
+SCRIPT_DIR="$(cd "$(dirname "$0")" && pwd)"
+
 echo "[*] Setting up Backend Environment..."
-cd backend
+cd "$SCRIPT_DIR/backend"
 if [ ! -d "venv" ]; then
     echo "[*] Creating Python Virtual Environment..."
-    python3 -m venv venv
+    $PYTHON_CMD -m venv venv
 fi
 
 echo "[*] Installing Backend dependencies..."
-if [[ "$OSTYPE" == "msys" || "$OSTYPE" == "cygwin" ]]; then
-    # In case someone runs this in Git Bash on Windows
-    source venv/Scripts/activate
-else
-    source venv/bin/activate
-fi
-pip install -r requirements.txt
-cd ..
+source venv/bin/activate
+pip install -q -r requirements.txt
+deactivate
+
+cd "$SCRIPT_DIR"
 
 echo "[*] Setting up Frontend Environment..."
-cd frontend
+cd "$SCRIPT_DIR/frontend"
 if [ ! -d "node_modules" ]; then
     echo "[*] Installing Frontend dependencies..."
     npm install
@@ -42,11 +49,10 @@ fi
 
 echo ""
 echo "======================================================="
-echo "  🚀 Starting Services...                              "
-echo "  Dashboard will be available at: http://localhost:3000"
-echo "  Keep this window open! Note: Initial load takes ~10s "
+echo "  Starting Services...                                 "
+echo "  Dashboard will be available at: http://localhost:3000 "
+echo "  Keep this window open! Initial load takes ~10s       "
 echo "======================================================="
 echo ""
 
-# Start both services (npm run dev automatically calls the python backend on Mac/Linux if scripts are configured cross-platform)
 npm run dev