feat: initialize Django DRF skeleton

init.ps1

@@ -10,10 +10,10 @@
 $ErrorActionPreference = "Stop"
 Set-Location -Path $PSScriptRoot
 
-# 依赖管理 uv / pip 二选一（03-tech-stack 标为待定）；默认 pip + requirements.txt。
-$InstallCmd = "pip install -r requirements.txt"   # 或 uv sync
-$VerifyCmd  = "python manage.py test"             # 基础验证 / 测试
-$StartCmd   = "python manage.py runserver"        # 开发启动
+# T-001 固定使用系统 Python 3.12，不使用虚拟环境。
+$InstallCmd = "py -3.12 -m pip install -r requirements.txt"
+$VerifyCmd  = "py -3.12 manage.py check"
+$StartCmd   = "py -3.12 manage.py runserver"
 
 function Assert-Configured {
   param(
@@ -41,9 +41,6 @@ if (-not (Test-Path "manage.py")) {
 Write-Host "==> 同步依赖"
 Invoke-Expression $InstallCmd
 
-Write-Host "==> 数据库迁移"
-Invoke-Expression "python manage.py migrate"
-
 Write-Host "==> 运行基础验证"
 Invoke-Expression $VerifyCmd