API: Phoenix railing proxy, API key auth for /api/v1/*, schema export, docs, migrations, tests

- Phoenix API Railing: proxy to PHOENIX_RAILING_URL, tenant me routes
- Tenant-auth: X-API-Key support for /api/v1/* (api_keys table)
- Migration 026: api_keys table; 025 sovereign stack marketplace
- GET /graphql/schema, GET /graphql-playground, api/docs OpenAPI
- Integration tests: phoenix-railing.test.ts
- docs/api/API_VERSIONING: /api/v1/ railing alignment
- docs/phoenix/PORTAL_RAILING_WIRING

Made-with: Cursor

api/scripts/create-env.sh

@@ -0,0 +1,31 @@
+#!/bin/bash
+# Helper script to create .env file from .env.example
+
+SCRIPT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
+API_DIR="$(cd "$SCRIPT_DIR/.." && pwd)"
+
+cd "$API_DIR"
+
+if [ -f .env ]; then
+  echo "⚠ .env file already exists. Skipping creation."
+  echo "If you want to recreate it, delete .env first."
+  exit 0
+fi
+
+if [ ! -f .env.example ]; then
+  echo "❌ .env.example not found. Cannot create .env file."
+  exit 1
+fi
+
+echo "Creating .env file from .env.example..."
+cp .env.example .env
+
+echo ""
+echo "✅ .env file created!"
+echo ""
+echo "⚠ IMPORTANT: Please edit .env and set your database password:"
+echo "   DB_PASSWORD=your_secure_password_here"
+echo ""
+echo "For development: minimum 8 characters"
+echo "For production: minimum 32 characters with uppercase, lowercase, numbers, and special characters"
+echo ""