chore: mini-openclaw 初始版本

Next.js 前端 + FastAPI/LangChain 后端透明 agent平台
- 含 .gitignore, 敏感文件(sessions数据/.env/venv等)已排除
- 待后续添加 trajectory 自进化机制

backend/setup.ps1

@@ -0,0 +1,46 @@
+# Setup script for mini-OpenClaw backend
+
+Write-Host "=== 阶段一：搭建后端环境 ===" -ForegroundColor Green
+
+# 1. Create virtual environment
+Write-Host "`n[1/3] Creating Python virtual environment..." -ForegroundColor Yellow
+if (-not (Test-Path venv)) {
+    python -m venv venv
+    if ($LASTEXITCODE -eq 0) {
+        Write-Host "✓ Virtual environment created" -ForegroundColor Green
+    } else {
+        Write-Host "✗ Failed to create venv" -ForegroundColor Red
+        exit 1
+    }
+} else {
+    Write-Host "✓ Virtual environment already exists" -ForegroundColor Green
+}
+
+# 2. Activate and install dependencies
+Write-Host "`n[2/3] Installing dependencies..." -ForegroundColor Yellow
+Write-Host "Using Tsinghua mirror for faster downloads..." -ForegroundColor Cyan
+
+& .\venv\Scripts\Activate.ps1
+if ($LASTEXITCODE -ne 0) {
+    Write-Host "✗ Failed to activate venv" -ForegroundColor Red
+    exit 1
+}
+
+pip install --upgrade pip -i https://pypi.tuna.tsinghua.edu.cn/simple
+pip install -r requirements.txt -i https://pypi.tuna.tsinghua.edu.cn/simple
+
+if ($LASTEXITCODE -eq 0) {
+    Write-Host "✓ Dependencies installed successfully" -ForegroundColor Green
+} else {
+    Write-Host "✗ Failed to install dependencies" -ForegroundColor Red
+    exit 1
+}
+
+# 3. Verify installation
+Write-Host "`n[3/3] Verifying installation..." -ForegroundColor Yellow
+python -c "import fastapi; import langchain; import llama_index; print('✓ All core packages imported successfully')"
+
+Write-Host "`n=== Setup Complete ===" -ForegroundColor Green
+Write-Host "To start the backend, run:" -ForegroundColor Cyan
+Write-Host "  .\venv\Scripts\Activate.ps1" -ForegroundColor White
+Write-Host "  uvicorn app:app --host 0.0.0.0 --port 8002" -ForegroundColor White