updated the requirements and options

.env.example

@@ -1,87 +1,73 @@
-# ============================================================
-# SecureLens AI — Environment Configuration
-# ============================================================
-# Copy this file to .env and fill in your values.
-# Never commit your actual .env file to version control.
+# copy this to .env and fill in your values
+# don't commit your actual .env file
 
-# ------------------------------------------------------------
-# Application
-# ------------------------------------------------------------
 APP_NAME=SecureLens AI
 APP_VERSION=1.1.0
 DEBUG=true
 
-# ------------------------------------------------------------
-# Server
-# ------------------------------------------------------------
 HOST=0.0.0.0
 PORT=8000
 
-# ------------------------------------------------------------
-# CORS — comma-separated list of allowed origins
-# ------------------------------------------------------------
+# comma-separated, add your frontend origin here
 CORS_ORIGINS=http://localhost:3000,http://localhost:5173
 
-# ------------------------------------------------------------
-# Rate Limiting
-# ------------------------------------------------------------
 RATE_LIMIT=30/minute
 
-# ------------------------------------------------------------
-# Scanner Timeouts (seconds)
-# ------------------------------------------------------------
+# how long to wait when scanning a URL (seconds)
 SCAN_TIMEOUT=5
 PATH_CHECK_TIMEOUT=3
 
-# ------------------------------------------------------------
-# Database
-# ------------------------------------------------------------
 DATABASE_URL=postgresql+asyncpg://securelens:securelens@localhost:5433/securelens
 
-# ------------------------------------------------------------
-# JWT Auth
-# ------------------------------------------------------------
+# change this in production, use something long and random
 JWT_SECRET=change-me-in-production-use-a-long-random-string
 
-# ------------------------------------------------------------
-# AI Provider (LiteLLM — pick ONE of the options below)
-# ------------------------------------------------------------
-# Option 1: Google Gemini (default)
+# AI provider - uses LiteLLM so you can swap models by changing these two lines
+# gemini (default)
 AI_MODEL=gemini/gemini-2.0-flash
-AI_API_KEY=your-gemini-api-key-here
+AI_API_KEY=your-api-key-here
 
-# Option 2: OpenAI
+# openai — uncomment to use instead
 # AI_MODEL=gpt-4o-mini
-# AI_API_KEY=your-openai-api-key-here
+# AI_API_KEY=sk-...
 
-# Option 3: Anthropic Claude
+# anthropic claude — uncomment to use instead
 # AI_MODEL=claude-3-5-haiku-20241022
-# AI_API_KEY=your-anthropic-api-key-here
+# AI_API_KEY=sk-ant-...
 
-# Option 4: OpenRouter (access to all models with one key)
+# openrouter — one key for all models
 # AI_MODEL=openrouter/google/gemini-2.0-flash-exp:free
-# AI_API_KEY=your-openrouter-api-key-here
+# AI_API_KEY=sk-or-...
 
-# Option 5: Ollama (local, free — no key needed)
+# ollama (local, no key needed)
 # AI_MODEL=ollama/llama3.1
 # AI_API_KEY=
 
-# Legacy: still works for Gemini backward compatibility
-# GEMINI_API_KEY=your-gemini-api-key-here
+# old gemini key still works if you haven't migrated yet
+# GEMINI_API_KEY=
 
-# ------------------------------------------------------------
-# Threat Intelligence (Optional — free tier available)
-# ------------------------------------------------------------
-# VirusTotal: https://www.virustotal.com/ (500 lookups/day free)
+# threat intelligence — both have free tiers, leave blank to skip
+# virustotal.com — 500 lookups/day free
 VIRUSTOTAL_API_KEY=
-
-# AbuseIPDB: https://www.abuseipdb.com/ (1000 lookups/day free)
+# abuseipdb.com — 1000 lookups/day free
 ABUSEIPDB_API_KEY=
 
-# ------------------------------------------------------------
-# Scheduled Scans
-# ------------------------------------------------------------
-# No extra configuration needed. The scheduler starts automatically
-# with the app and checks every hour for scans that are due.
-# Users create scheduled scans via POST /scheduled-scans (requires JWT auth).
-# Webhooks fire automatically if a scheduled scan detects a score drop.
+# nuclei active scanner — leave blank if nuclei isn't installed
+# it'll search PATH automatically, or set an explicit path here
+# install: go install github.com/projectdiscovery/nuclei/v3/cmd/nuclei@latest
+NUCLEI_BINARY_PATH=
+
+# slack alerts — paste your incoming webhook URL here to get notified on scan completion
+# and score regressions. leave blank to skip
+# create one at: https://api.slack.com/messaging/webhooks
+SLACK_WEBHOOK_URL=
+
+# email alerts via SMTP — leave SMTP_HOST blank to skip
+# works with gmail app passwords, sendgrid, etc.
+SMTP_HOST=
+SMTP_PORT=587
+SMTP_USERNAME=
+SMTP_PASSWORD=
+SMTP_FROM_EMAIL=
+# set to true if your provider uses port 465 (SSL), false for port 587 (STARTTLS)
+SMTP_USE_SSL=false