refactor: adopt sitekit as the site model and renderer

.github/workflows/deploy.yml

@@ -1,15 +1,15 @@
 name: Deploy
 
 # Push to main → deploy to bitbaum. All logic lives in one place:
-# catomean/fleetcrown/.github/workflows/selfhost-deploy.yml
+# bitbaum/fleetcrown/.github/workflows/selfhost-deploy.yml
 on:
   workflow_dispatch: {}
   push:
     branches: [main]
 
 jobs:
   deploy:
-    uses: catomean/fleetcrown/.github/workflows/selfhost-deploy.yml@main
+    uses: bitbaum/fleetcrown/.github/workflows/selfhost-deploy.yml@main
     with:
       app: substrata
     secrets: inherit

README.md

@@ -41,7 +41,7 @@ npm run verify     # type-check + lint + tests
 ## Deployment
 
 Push to `main`. CD is the shared self-host pipeline
-(`catomean/fleetcrown/.github/workflows/selfhost-deploy.yml`), which waits
+(`bitbaum/fleetcrown/.github/workflows/selfhost-deploy.yml`), which waits
 for this commit's CI, builds, rsyncs to bitbaum and health-checks before
 declaring done. Port and hostname come from `scripts/hetzner/apps.conf` in
 fleetcrown — the SSOT for what runs on the box.

app/[[...path]]/page.tsx

@@ -9,8 +9,8 @@ import {
   sitePages,
 } from '@/config/site-content';
 import { SITE } from '@/lib/site';
-import { SiteFooter, SiteMasthead } from '@/components/SiteChrome';
-import { SiteSections } from '@/components/SiteSections';
+import Link from 'next/link';
+import { SiteFooter, SiteMasthead, SiteSections } from 'sitekit/react';
 
 interface RouteParams {
   params: Promise<{ path?: string[] }>;
@@ -45,7 +45,7 @@ export default async function Page({ params }: RouteParams) {
 
   return (
     <div className="flex min-h-screen flex-col bg-surface-page">
-      <SiteMasthead chrome={chrome} navItems={siteNavItems(pages)} currentPath={currentPath} />
+      <SiteMasthead chrome={chrome} navItems={siteNavItems(pages)} currentPath={currentPath} Link={Link} />
       <main className="flex-1">
         <div className="mx-auto max-w-shell px-4 py-14 sm:px-6 sm:py-20 lg:px-8">
           {!pageRendersOwnHeader(page) && (

app/globals.css

@@ -1,4 +1,7 @@
 @import 'tailwindcss';
+/* The renderers live in the sitekit package now; Tailwind must scan them or
+   their semantic classes are never emitted. */
+@source '../node_modules/sitekit/dist';
 
 /**
  * Substrata's design tokens — the SSOT for every visual decision.