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/vitest.config.ts

@@ -0,0 +1,16 @@
+import { defineConfig } from "vitest/config";
+import { fileURLToPath } from "node:url";
+
+export default defineConfig({
+  test: {
+    environment: "happy-dom",
+    globals: true,
+    include: ["tests/unit/**/*.test.ts"],
+  },
+  resolve: {
+    alias: {
+      "~": fileURLToPath(new URL("./", import.meta.url)),
+      "#app": fileURLToPath(new URL("./node_modules/nuxt/dist/app", import.meta.url)),
+    },
+  },
+});