Fix AI Assistant visibility when API key is set via environment variables (#1037)

Co-authored-by: copilot-swe-agent[bot] <198982749+Copilot@users.noreply.github.com>
Co-authored-by: thomasnordquist <7721625+thomasnordquist@users.noreply.github.com>

app/src/services/llmService.ts

@@ -166,10 +166,10 @@ Help users understand their MQTT data, troubleshoot issues, optimize their autom
   }
 
   /**
-   * Check if API key is configured
+   * Check if API key is configured (from localStorage or environment)
    */
   public hasApiKey(): boolean {
-    return !!this.getApiKeyFromStorage()
+    return !!(this.getApiKeyFromStorage() || this.getApiKeyFromEnv())
   }
 
   /**