docs: remove AI-assisted setup wizard mentions

.env.example

@@ -1,34 +1,33 @@
 # ===========================================
-# Synapsis Docker Environment Configuration
+# Synapsis Environment Configuration
 # ===========================================
 # Copy this file to .env and configure your values
 
 # ===========================================
-# Required Settings
+# REQUIRED: Core Settings
 # ===========================================
 
-# Domain Configuration
-# Replace with your actual domain
+# Your domain name (e.g., synapsis.example.com)
 DOMAIN=your-domain.com
 
-# Database Credentials
-# Change these to secure values!
+# Admin email addresses (comma-separated for multiple)
+ADMIN_EMAILS=admin@your-domain.com
+
+# Authentication secret - generate with: openssl rand -hex 32
+AUTH_SECRET=your-secret-key-here-minimum-32-characters
+
+# ===========================================
+# REQUIRED: Database
+# ===========================================
+
 DB_USER=synapsis
 DB_PASSWORD=your-secure-password-here
 DB_NAME=synapsis
 
-# Authentication Secret
-# Generate with: openssl rand -hex 32
-AUTH_SECRET=your-secret-key-here-minimum-32-characters
-
-# Admin Users
-# Comma-separated list of email addresses with admin access
-ADMIN_EMAILS=admin@your-domain.com
-
 # ===========================================
-# S3-Compatible Storage (Required for uploads)
+# REQUIRED: S3-Compatible Storage
 # ===========================================
-# You can use AWS S3, MinIO, Wasabi, Backblaze B2, etc.
+# Supports AWS S3, MinIO, Wasabi, Backblaze B2, Cloudflare R2, etc.
 
 STORAGE_ENDPOINT=https://s3.your-provider.com
 STORAGE_REGION=us-east-1
@@ -38,17 +37,22 @@ STORAGE_SECRET_KEY=your-secret-key
 STORAGE_PUBLIC_BASE_URL=https://cdn.your-domain.com
 
 # ===========================================
-# Optional Settings
+# OPTIONAL: General Settings
 # ===========================================
 
-# Maximum bots per user (default: 5)
+# Application port - 'auto' scans 3000-3020 for first available (recommended)
+# Or set a specific port: PORT=3000
+PORT=auto
+
+# Maximum AI bots per user (default: 5)
 # BOT_MAX_PER_USER=5
 
-# Redis configuration (if using external Redis)
+# ===========================================
+# OPTIONAL: Advanced
+# ===========================================
+
+# External Redis URL (if not using the built-in Redis)
 # REDIS_URL=redis://redis:6379
 
-# ===========================================
-# Docker Compose Settings
-# ===========================================
-
+# Docker Compose project name
 # COMPOSE_PROJECT_NAME=synapsis