初始化提交

start-backend.bat

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+@echo off
+setlocal
+title Mengya Profile - Start Backend
+echo [INFO] Starting backend API service...
+cd /d "%~dp0mengyaprofile-backend"
+
+REM Choose Python launcher: prefer py, else python
+set "PY=python"
+where py >nul 2>nul
+if not errorlevel 1 set "PY=py"
+
+where %PY% >nul 2>nul
+if errorlevel 1 goto no_python
+
+echo [INFO] Installing Python dependencies...
+%PY% -m pip install -r requirements.txt
+if errorlevel 1 goto pip_fail
+
+echo [INFO] Starting in DEVELOPMENT mode...
+echo [INFO] Frontend should run on http://localhost:3000
+echo [INFO] Backend API on http://localhost:5000
+set RUN_MODE=development
+
+echo [INFO] Running: %PY% app.py
+%PY% app.py
+if errorlevel 1 goto run_fail
+goto end
+
+:no_python
+echo [ERROR] Python not found. Install Python 3 and ensure PATH.
+goto end
+
+:pip_fail
+echo [ERROR] pip install failed.
+goto end
+
+:run_fail
+echo [ERROR] Backend failed to start.
+goto end
+
+:end
+endlocal