fix: generate token on start, include token in URL, reset api_server config

- Pre-generate auth token before server start and pass via AUTH_TOKEN env var
- Append token to startup URL for auto-login
- Reset api_server config values to defaults on startup

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

package.json

@@ -1,6 +1,6 @@
 {
   "name": "hermes-web-ui",
-  "version": "0.2.2",
+  "version": "0.2.3",
   "description": "Hermes Agent Web UI - Chat and Job Management Dashboard",
   "repository": {
     "type": "git",