build: add tooling config and setup script

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

setup.ps1

@@ -0,0 +1,54 @@
+#!/usr/bin/env pwsh
+
+# KollectAI-ETL Bootstrap Setup
+#
+# Installs all required development tools and configures git hooks.
+# Safe to re-run (idempotent) — skips tools that are already installed.
+#
+# Usage: pwsh ./setup.ps1
+
+$ErrorActionPreference = 'Stop'
+
+function Test-Command($Name) {
+    $null -ne (Get-Command $Name -ErrorAction SilentlyContinue)
+}
+
+function Install-Tool($Name, $ScriptBlock) {
+    if (Test-Command $Name) {
+        $version = & $Name --version 2>&1 | Select-Object -First 1
+        Write-Host "[OK] $Name already installed: $version" -ForegroundColor Green
+    } else {
+        Write-Host "[INSTALL] Installing $Name..." -ForegroundColor Yellow
+        & $ScriptBlock
+        if ($LASTEXITCODE -ne 0) {
+            Write-Host "[FAIL] Failed to install $Name" -ForegroundColor Red
+            exit 1
+        }
+        $version = & $Name --version 2>&1 | Select-Object -First 1
+        Write-Host "[OK] $Name installed: $version" -ForegroundColor Green
+    }
+}
+
+Write-Host ""
+Write-Host "KollectAI-ETL Bootstrap Setup" -ForegroundColor Cyan
+Write-Host "=============================" -ForegroundColor Cyan
+Write-Host ""
+
+# 1. uv (Python package manager / tool runner)
+Install-Tool "uv" {
+    Invoke-RestMethod https://astral.sh/uv/install.ps1 | Invoke-Expression
+}
+
+# 2. just (task runner)
+Install-Tool "just" {
+    uv tool install rust-just
+}
+
+# 3. Run just setup (installs commitizen, pre-commit, configures git hooks)
+Write-Host ""
+Write-Host "Running just setup..." -ForegroundColor Cyan
+just setup
+
+Write-Host ""
+Write-Host "Setup complete!" -ForegroundColor Green
+Write-Host ""