feat: add MCP server with resources, tools, auth, and Traefik routing

- Add backend/app/mcp_server.py with FastMCP server (hms-cms)
- Resources: design-rules, page-structure, sync-status
- Tools: trigger_sync, get_sync_log, set_rentman_token, read_file,
  write_file, create_page, deploy, git_commit, git_status
- Bearer token auth via MCP_AUTH_TOKEN env var
- Mount MCP at /mcp with streamable HTTP transport
- Integrate session manager in FastAPI lifespan
- Add Traefik labels for external /mcp route on hms.media-on.de
- Add git, docker.io, curl to backend Dockerfile
- Mount repo root + docker socket in backend container
- Add mcp>=1.0.0 to requirements.txt

frontend-nuxt-old/components/LegalContentPage.vue

@@ -0,0 +1,29 @@
+<template>
+  <div class="max-w-3xl mx-auto">
+    <!-- Loading State -->
+    <div v-if="loading" class="space-y-4">
+      <div class="skeleton-shimmer rounded-md" style="height: 32px; width: 60%" />
+      <div class="skeleton-shimmer rounded-md" style="height: 20px" />
+      <div class="skeleton-shimmer rounded-md" style="height: 20px; width: 90%" />
+      <div class="skeleton-shimmer rounded-md" style="height: 20px" />
+      <div class="skeleton-shimmer rounded-md" style="height: 20px; width: 80%" />
+    </div>
+
+    <!-- Content State -->
+    <article v-else>
+      <h1 class="text-3xl font-bold text-text mb-6">{{ title }}</h1>
+      <div class="prose prose-invert max-w-none text-text-muted" v-html="content" />
+    </article>
+  </div>
+</template>
+
+<script setup lang="ts">
+withDefaults(defineProps<{
+  title: string;
+  content?: string;
+  loading?: boolean;
+}>(), {
+  content: "",
+  loading: false,
+});
+</script>