feat: add system config import, refactor install script and nginx auth

- lib/system_import: new module to import system configs into JSON at daemon startup
- daemon/server.py: call import_all() during startup for config reconciliation
- daemon/handlers/nginx.py: simplify add_domain auth handling, remove duplicate code
- scripts/install.sh: replace inline Python setup with curl-based daemon API calls; apply IP forwarding at runtime
- hoover: bump internal asset versions to v=8
- pages: bump asset versions to v=9

webui/static/hoover/render.js

@@ -5,12 +5,12 @@
  * batched re-render loop integration with reactivity.js.
  */
 
-import { requestUpdate, setCommitFn } from './reactivity.js?v=7';
+import { requestUpdate, setCommitFn } from './reactivity.js?v=8';
 import {
     _vnodeDom, createDom, getDom, patchNode, sweepDom,
     setMountFn, setUnmountFn,
-} from './vdom.js?v=7';
-import { mountComponent, unmountComponent } from './component.js?v=7';
+} from './vdom.js?v=8';
+import { mountComponent, unmountComponent } from './component.js?v=8';
 
 /** Container → previous root vnodes */
 export const _renderSlots = new Map();