fix: correct Portainer default port to 8001

Port 9000 is Authentik, Portainer runs on 8001

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

.env.example

@@ -22,11 +22,11 @@ PORT=8083
 # =============================================================================
 
 # Portainer API (required for container/stack management)
-PORTAINER_URL=http://portainer:9000
+PORTAINER_URL=http://localhost:8001
 PORTAINER_API_KEY=ptr_your-api-key-here
 
 # Nginx Proxy Manager API
-NPM_URL=http://npm:81
+NPM_URL=http://localhost:81
 NPM_EMAIL=admin@example.com
 NPM_PASSWORD=your-npm-password
 
@@ -35,7 +35,7 @@ NPM_PASSWORD=your-npm-password
 # =============================================================================
 
 # Home Assistant API
-HOMEASSISTANT_URL=http://homeassistant:8123
+HOMEASSISTANT_URL=http://localhost:8123
 HOMEASSISTANT_TOKEN=your-long-lived-access-token
 
 # =============================================================================
@@ -43,10 +43,10 @@ HOMEASSISTANT_TOKEN=your-long-lived-access-token
 # =============================================================================
 
 # Ollama API
-OLLAMA_BASE_URL=http://ollama:11434
+OLLAMA_BASE_URL=http://localhost:11434
 
 # SearXNG (self-hosted search)
-SEARXNG_URL=http://searxng:8080
+SEARXNG_URL=http://localhost:8080
 
 # =============================================================================
 # Vector Database